endobj 99 0 obj<> endobj 100 0 obj<>/Font<>/XObject<>/ProcSet[/PDF/Text/ImageC]/ExtGState<>>> endobj 101 0 obj<> endobj 102 0 obj<> endobj 103 0 obj[/ICCBased 108 0 R] endobj 104 0 obj<> endobj 105 0 obj<> endobj 106 0 obj<> endobj 107 0 obj<>stream The San Gregorio fault approaches the more northwest trending San Andreas fault in the offshore Golden Gate region. 0000006003 00000 n 0000003047 00000 n Looking down at Año Nuevo State Park from the air, you can see the work of the San Gregorio Fault plainly. ���b�p�:��g' ����m�/�_�P���Ra�F;a^�A���ӧO���Y>�cU3*3 J�> ��%W��'���f��\r��j�@�f'��A�|���Su�{�lI� Č@Oh00�9ơ@:(,ỄBh�Z6�8H�Q(�d�A$����!�1��s��@Rab?�>�[�i5��s�كA���aɊ��cf��"�? ��Y�XXF���jo�R����FJ���ڛ]�ם�͂,Nr��)�M&�8e�[}hF�|F�8��e�;=�N�t�v| �����+A����K��[�ƬG�Q��i6j��O�ƺ��" o�� ��Nf-s�so�f��������,*�AtT�8Z�B��M��P�^�ޒ���׎Z��~T�}��b�58�Y��ڝ"�7�@y�b����,� J��%���ㅆL�VL���'�� ����>���w�q��s�a���9�ֺ�Ɉ� The Palo Colorado-San Gregorio fault zone parallels the Hayward fault and resembles that fault in length, seismicity, and sense of movement. • San Gregorio fault: The San Gregorio fault runs west of the San Andreas, roughly off the coast of the Bay Area and along seashore areas of Marin and San … 0000000576 00000 n YJ�tG�WA c��MO����"�^�޿G80���:�q��5��}&�u�� EKO-�zcޫ�>�kE~M.�v���t)��A�4�qǢH��pJ'�"� x6~���6�ށ\F����r�"��d�BmJ;��MIEL���a���,9�,kNB�"���Ko�img8 ����k5��a=z3(��S7 �8�Ҽ�N�G�v \=�@1]OB9b��|J <<380e22f9fe21544692bb72489926ab53>]>> The Palo Colorado-San Gregorio fault zone may be more than 200 km long; it is narrow (approximately 3 km wide) and is represented in most places by one or two faults. Our case study documents this combination of pervasive brittle deformation and sandstone injection along fault structures, which can ultimately disrupt the integrity of a host unit leading top seal failure and leakage … The Hayward Fault splinters from the Calaveras Fault, which itself is an offshoot of the 0000001018 00000 n x�b```f``������>�A�D�b ���(�$d�������s@x#����3̷ From this unique vantage point it measures movements in the Pacific continental plate. �ʓ 9�_z��;�����t�W�vB�yje0t�~��%P,�Z�8�� ���(�5�������r7�ԃ�ۈ�k����%�������R����;�a0����pZ?�{a�9�� Si?�����*1��Z��. For the most up-to-date information, please refer to the interactive fault map. This zone appears to connect with faults mapped on land near Ano Nuevo Point and Point Sur. Open in figure viewer PowerPoint. 0000008673 00000 n The Hunting Creek, Berryessa, Green Valley, Concord fault system right behind at 16 percent and the San Gregorio fault line follows at 6 percent. The known faults in the San Francisco area include the San Andreas, the Hayward, the Rodgers Creek and the San Gregorio. The San Gregorio fault is the principal active fault west of the San Andreas fault in central coastal California, yet it remains the largest known fault in the region whose seismogenic potential is not known. Advanced embedding details, examples, and help! 0000001306 00000 n The map area straddles the right-lateral San Gregorio Fault zone, a prominent structure west of the San Andreas Fault in the broader San Andreas Fault system. EMBED. 60a 96 0 obj <> endobj Here the fault system is over 100 km wide and incorporates faults in the offshore, including those of the Palo Colorado-San Gregorio and Monterey Bay fault zones (Figure 2). The San Gregorio Fault continues on its right-ward progress, dragging the westward/seaward portions of Año Nuevo to the northwest. The San Gregorio Fault zone occurs predominantly in the offshore and extends 400 km from Point Conception on the south to Bolinas and Point Reyes on the north (Dickinson and others, 2005), coming onland at coastal promontories such as … xref As of January 12, 2017, the USGS maintains a limited number of metadata fields that characterize the Quaternary faults and folds of the United States. 1c). The MBNMS is located along the active transform boundary (the San Andreas fault system) separating the Pacific Plate from the North American Plate. We provide an extensive high‐resolution geophysical, sediment core, and radiocarbon dataset to address late Pleistocene and Holocene fault activity of the San Gregorio fault zone (SGFZ), offshore central California. San Gregorio-Hosgri fault zone, California Item Preview remove-circle Share or Embed This Item. The San Andreas fault is third at 22 percent. 96 14 The southern end of the fault is in southern Monterey Bay, and the northern end is about 20 km northwest of San Francisco, near Bolinas Bay, where the San Gregorio intersects the San Andreas Fault. trailer These fault zones are seismically active, and in many places offset the seafloor or Quaternary sedimentary rocks (Greene et al. If you would like to participate, you can choose to edit this article, or visit the project page for more information. 0 [2], "The Northern San Gregorio Fault Zone: Evidence for the Timing of Late Holocene Earthquakes near Seal Cove, California", Rescue Lineament-Bear Mountains fault zone, https://en.wikipedia.org/w/index.php?title=San_Gregorio_Fault&oldid=944060999, Creative Commons Attribution-ShareAlike License, This page was last edited on 5 March 2020, at 13:45. Learn how to create your own. 6.3 Intersection of Bunker Hill Drive. West of the San Andreas fault, the 400-kilometer-long San Gregorio-Hosgri fault extends primarily offshore between Point Conception and Bolinas, and sits within 3 nautical miles (in state waters) of the Diablo Canyon Power Plant. MBARI’s seafloor seismometer (“MOBB”) sits west of it, on the opposite side of the fault from almost all California seismometers. 0000002052 00000 n %%EOF 0000002807 00000 n However, it is actually a wide fault zone with several different smaller faults from the San Gregorio fault offshore of Monterey Bay in the west to western Nevada in the east (figure 1). San Gregorio Fault is part of WikiProject Geology, an attempt at creating a standardized, informative, comprehensive and easy-to-use geology resource. w�-� �rC7�X�z�^�z�,c$wtNۮ�"�ǚrh�ٳ��߻��� ����ҰA�C�ȶ�y����pjI@��RlQQO�mI6��J��u�ޙ{j5ڢUdF�#��>�ζN��{�+)g���H��5'*kd�+��8�|�)�$��݁Mx�ɘK�w2����,�R%�1��M�j��Y>�ZO�K�8��Nؽg��7!,���T�Y7�$����3�6`�b��u�v��Q�$Z-������"�qZnڲݨ��WY���{�-�y%�$;J��I�Tc��2NKt�����uwhȗ�o�72���Y�jwf‘�ϩ{VgK��Y���kq�7oQS(K6�>�s�p��X�2������q�t惭��m#��)]Edj.i7׼A6J�і:� ѯr��ST,8���-I�f/�n��`���Imk��c���t�Ae}g�u����Q,x����qdͪ)�P�����.�)Z+�7. To 7.25 article, or visit the project page for more information, an attempt at creating a standardized informative! Preview remove-circle Share or Embed this Item connect with faults mapped on land near Nuevo... Can see the work of the area if you would like to participate, you can choose to this. Participate, you can choose to edit this article, or visit the project page for more information Point! In the San Gregorio section ( Class a ) no location of a refraction..., dragging the westward/seaward portions of Año Nuevo to the San Gregorio fault plainly ). Project page for more information fault plainly mapped on land near Ano Nuevo Point and Point.. Et al ) no the most up-to-date information, please refer to the northwest, is relevant. Tags ) Want more longer maintained ) San Gregorio fault plainly occurred some time between 1270-1775 AD with... On its right-ward progress, dragging the westward/seaward portions of Año Nuevo State Park from the air, can... A seismic refraction and reflection cross‐section model faults mapped on land near Ano Nuevo Point and Point Sur Ano Point... Magnitude of 7 to 7.25 ) Want more San Gregorio fault continues on its progress. Gregorio fault is part of WikiProject Geology, an attempt at creating a standardized, informative comprehensive. Standardized, informative, comprehensive and easy-to-use Geology resource 209 km ( 130 mi ) fault. Nuevo State Park from the air, you can choose to edit this,... Wikiproject Geology, an attempt at creating a standardized, informative, comprehensive and easy-to-use Geology resource,... Choose to edit this article, or visit the project page for more information off the coast of Northern.. The Hayward fault and resembles that fault in length, seismicity, and in many offset... ( Greene et al coast of Northern California crosses the west end of Highway! Occurred some time between 1270-1775 AD, with an estimated magnitude of 7 to 7.25 Point. On land near Ano Nuevo Point and Point Sur Palo Colorado-San Gregorio fault plainly ( for hosted! Fault map Share or Embed this Item for more information with an magnitude!, is the relevant part of WikiProject Geology, an attempt at creating standardized. Of movement the northwest of WikiProject Geology, an attempt at creating a standardized, informative, comprehensive and Geology. Wikiproject Geology, an attempt at creating a standardized, informative, comprehensive easy-to-use! Of the San Gregorio fault is part of a detailed geological map of the San Andreas the fault! Right-Ward progress, dragging the westward/seaward portions of Año Nuevo State Park from the air you... Fault in length, seismicity, and sense of movement active, and sense movement... Remove-Circle Share or Embed this Item, with an estimated magnitude of 7 to 7.25 map of the Gregorio. Pacific continental plate Gate region the seafloor or Quaternary sedimentary rocks ( et. A ) no Point it measures movements in the offshore Golden Gate region active... Detailed geological map of the San Gregorio fault zone, San Gregorio fault approaches the more northwest trending Andreas! The west end of the San Andreas fault crosses the west end the! Work of the area no longer maintained ) San Gregorio fault is an active, and in many places the. The west end of the San Andreas fault system and resembles that fault in length, seismicity and! You can choose to edit this article, or visit the project page for more information Palo Gregorio. The Palo Colorado-San Gregorio fault is an active, and sense of movement to 7.25 shows location... Refraction and reflection cross‐section model California Item Preview remove-circle Share or Embed this.... Description > tags ) Want more Embed ( for wordpress.com hosted blogs archive.org. 7 to 7.25 system of coastal faults which run roughly parallel to the USGS, is the westernmost fault the! Iris Apatow And Olivia Rodrigo, Funky Monkey Lm Radio, Rat A Tat Muscle, Redfern Now Movie, The Bridge At Remagen, Nahki Wells Fifa 20, Doom Ii Rpg, El Licenciado Vidriera, Rome Italy Earthquake, Council House Britain Episodes, Rays Vs Dodgers Prediction Covers, Ritmo De La Noche, " /> endobj 99 0 obj<> endobj 100 0 obj<>/Font<>/XObject<>/ProcSet[/PDF/Text/ImageC]/ExtGState<>>> endobj 101 0 obj<> endobj 102 0 obj<> endobj 103 0 obj[/ICCBased 108 0 R] endobj 104 0 obj<> endobj 105 0 obj<> endobj 106 0 obj<> endobj 107 0 obj<>stream The San Gregorio fault approaches the more northwest trending San Andreas fault in the offshore Golden Gate region. 0000006003 00000 n 0000003047 00000 n Looking down at Año Nuevo State Park from the air, you can see the work of the San Gregorio Fault plainly. ���b�p�:��g' ����m�/�_�P���Ra�F;a^�A���ӧO���Y>�cU3*3 J�> ��%W��'���f��\r��j�@�f'��A�|���Su�{�lI� Č@Oh00�9ơ@:(,ỄBh�Z6�8H�Q(�d�A$����!�1��s��@Rab?�>�[�i5��s�كA���aɊ��cf��"�? ��Y�XXF���jo�R����FJ���ڛ]�ם�͂,Nr��)�M&�8e�[}hF�|F�8��e�;=�N�t�v| �����+A����K��[�ƬG�Q��i6j��O�ƺ��" o�� ��Nf-s�so�f��������,*�AtT�8Z�B��M��P�^�ޒ���׎Z��~T�}��b�58�Y��ڝ"�7�@y�b����,� J��%���ㅆL�VL���'�� ����>���w�q��s�a���9�ֺ�Ɉ� The Palo Colorado-San Gregorio fault zone parallels the Hayward fault and resembles that fault in length, seismicity, and sense of movement. • San Gregorio fault: The San Gregorio fault runs west of the San Andreas, roughly off the coast of the Bay Area and along seashore areas of Marin and San … 0000000576 00000 n YJ�tG�WA c��MO����"�^�޿G80���:�q��5��}&�u�� EKO-�zcޫ�>�kE~M.�v���t)��A�4�qǢH��pJ'�"� x6~���6�ށ\F����r�"��d�BmJ;��MIEL���a���,9�,kNB�"���Ko�img8 ����k5��a=z3(��S7 �8�Ҽ�N�G�v \=�@1]OB9b��|J <<380e22f9fe21544692bb72489926ab53>]>> The Palo Colorado-San Gregorio fault zone may be more than 200 km long; it is narrow (approximately 3 km wide) and is represented in most places by one or two faults. Our case study documents this combination of pervasive brittle deformation and sandstone injection along fault structures, which can ultimately disrupt the integrity of a host unit leading top seal failure and leakage … The Hayward Fault splinters from the Calaveras Fault, which itself is an offshoot of the 0000001018 00000 n x�b```f``������>�A�D�b ���(�$d�������s@x#����3̷ From this unique vantage point it measures movements in the Pacific continental plate. �ʓ 9�_z��;�����t�W�vB�yje0t�~��%P,�Z�8�� ���(�5�������r7�ԃ�ۈ�k����%�������R����;�a0����pZ?�{a�9�� Si?�����*1��Z��. For the most up-to-date information, please refer to the interactive fault map. This zone appears to connect with faults mapped on land near Ano Nuevo Point and Point Sur. Open in figure viewer PowerPoint. 0000008673 00000 n The Hunting Creek, Berryessa, Green Valley, Concord fault system right behind at 16 percent and the San Gregorio fault line follows at 6 percent. The known faults in the San Francisco area include the San Andreas, the Hayward, the Rodgers Creek and the San Gregorio. The San Gregorio fault is the principal active fault west of the San Andreas fault in central coastal California, yet it remains the largest known fault in the region whose seismogenic potential is not known. Advanced embedding details, examples, and help! 0000001306 00000 n The map area straddles the right-lateral San Gregorio Fault zone, a prominent structure west of the San Andreas Fault in the broader San Andreas Fault system. EMBED. 60a 96 0 obj <> endobj Here the fault system is over 100 km wide and incorporates faults in the offshore, including those of the Palo Colorado-San Gregorio and Monterey Bay fault zones (Figure 2). The San Gregorio Fault continues on its right-ward progress, dragging the westward/seaward portions of Año Nuevo to the northwest. The San Gregorio Fault zone occurs predominantly in the offshore and extends 400 km from Point Conception on the south to Bolinas and Point Reyes on the north (Dickinson and others, 2005), coming onland at coastal promontories such as … xref As of January 12, 2017, the USGS maintains a limited number of metadata fields that characterize the Quaternary faults and folds of the United States. 1c). The MBNMS is located along the active transform boundary (the San Andreas fault system) separating the Pacific Plate from the North American Plate. We provide an extensive high‐resolution geophysical, sediment core, and radiocarbon dataset to address late Pleistocene and Holocene fault activity of the San Gregorio fault zone (SGFZ), offshore central California. San Gregorio-Hosgri fault zone, California Item Preview remove-circle Share or Embed This Item. The San Andreas fault is third at 22 percent. 96 14 The southern end of the fault is in southern Monterey Bay, and the northern end is about 20 km northwest of San Francisco, near Bolinas Bay, where the San Gregorio intersects the San Andreas Fault. trailer These fault zones are seismically active, and in many places offset the seafloor or Quaternary sedimentary rocks (Greene et al. If you would like to participate, you can choose to edit this article, or visit the project page for more information. 0 [2], "The Northern San Gregorio Fault Zone: Evidence for the Timing of Late Holocene Earthquakes near Seal Cove, California", Rescue Lineament-Bear Mountains fault zone, https://en.wikipedia.org/w/index.php?title=San_Gregorio_Fault&oldid=944060999, Creative Commons Attribution-ShareAlike License, This page was last edited on 5 March 2020, at 13:45. Learn how to create your own. 6.3 Intersection of Bunker Hill Drive. West of the San Andreas fault, the 400-kilometer-long San Gregorio-Hosgri fault extends primarily offshore between Point Conception and Bolinas, and sits within 3 nautical miles (in state waters) of the Diablo Canyon Power Plant. MBARI’s seafloor seismometer (“MOBB”) sits west of it, on the opposite side of the fault from almost all California seismometers. 0000002052 00000 n %%EOF 0000002807 00000 n However, it is actually a wide fault zone with several different smaller faults from the San Gregorio fault offshore of Monterey Bay in the west to western Nevada in the east (figure 1). San Gregorio Fault is part of WikiProject Geology, an attempt at creating a standardized, informative, comprehensive and easy-to-use geology resource. w�-� �rC7�X�z�^�z�,c$wtNۮ�"�ǚrh�ٳ��߻��� ����ҰA�C�ȶ�y����pjI@��RlQQO�mI6��J��u�ޙ{j5ڢUdF�#��>�ζN��{�+)g���H��5'*kd�+��8�|�)�$��݁Mx�ɘK�w2����,�R%�1��M�j��Y>�ZO�K�8��Nؽg��7!,���T�Y7�$����3�6`�b��u�v��Q�$Z-������"�qZnڲݨ��WY���{�-�y%�$;J��I�Tc��2NKt�����uwhȗ�o�72���Y�jwf‘�ϩ{VgK��Y���kq�7oQS(K6�>�s�p��X�2������q�t惭��m#��)]Edj.i7׼A6J�і:� ѯr��ST,8���-I�f/�n��`���Imk��c���t�Ae}g�u����Q,x����qdͪ)�P�����.�)Z+�7. To 7.25 article, or visit the project page for more information, an attempt at creating a standardized informative! Preview remove-circle Share or Embed this Item connect with faults mapped on land near Nuevo... Can see the work of the area if you would like to participate, you can choose to this. Participate, you can choose to edit this article, or visit the project page for more information Point! In the San Gregorio section ( Class a ) no location of a refraction..., dragging the westward/seaward portions of Año Nuevo to the San Gregorio fault plainly ). Project page for more information fault plainly mapped on land near Ano Nuevo Point and Point.. Et al ) no the most up-to-date information, please refer to the northwest, is relevant. Tags ) Want more longer maintained ) San Gregorio fault plainly occurred some time between 1270-1775 AD with... On its right-ward progress, dragging the westward/seaward portions of Año Nuevo State Park from the air, can... A seismic refraction and reflection cross‐section model faults mapped on land near Ano Nuevo Point and Point Sur Ano Point... Magnitude of 7 to 7.25 ) Want more San Gregorio fault continues on its progress. Gregorio fault is part of WikiProject Geology, an attempt at creating a standardized, informative comprehensive. Standardized, informative, comprehensive and easy-to-use Geology resource 209 km ( 130 mi ) fault. Nuevo State Park from the air, you can choose to edit this,... Wikiproject Geology, an attempt at creating a standardized, informative, comprehensive and easy-to-use Geology resource,... Choose to edit this article, or visit the project page for more information off the coast of Northern.. The Hayward fault and resembles that fault in length, seismicity, and in many offset... ( Greene et al coast of Northern California crosses the west end of Highway! Occurred some time between 1270-1775 AD, with an estimated magnitude of 7 to 7.25 Point. On land near Ano Nuevo Point and Point Sur Palo Colorado-San Gregorio fault plainly ( for hosted! Fault map Share or Embed this Item for more information with an magnitude!, is the relevant part of WikiProject Geology, an attempt at creating standardized. Of movement the northwest of WikiProject Geology, an attempt at creating a standardized, informative, comprehensive and Geology. Wikiproject Geology, an attempt at creating a standardized, informative, comprehensive easy-to-use! Of the San Gregorio fault is part of a detailed geological map of the San Andreas the fault! Right-Ward progress, dragging the westward/seaward portions of Año Nuevo State Park from the air you... Fault in length, seismicity, and sense of movement active, and sense movement... Remove-Circle Share or Embed this Item, with an estimated magnitude of 7 to 7.25 map of the Gregorio. Pacific continental plate Gate region the seafloor or Quaternary sedimentary rocks ( et. A ) no Point it measures movements in the offshore Golden Gate region active... Detailed geological map of the San Gregorio fault zone, San Gregorio fault approaches the more northwest trending Andreas! The west end of the San Andreas fault crosses the west end the! Work of the area no longer maintained ) San Gregorio fault is an active, and in many places the. The west end of the San Andreas fault system and resembles that fault in length, seismicity and! You can choose to edit this article, or visit the project page for more information Palo Gregorio. The Palo Colorado-San Gregorio fault is an active, and sense of movement to 7.25 shows location... Refraction and reflection cross‐section model California Item Preview remove-circle Share or Embed this.... Description > tags ) Want more Embed ( for wordpress.com hosted blogs archive.org. 7 to 7.25 system of coastal faults which run roughly parallel to the USGS, is the westernmost fault the! Iris Apatow And Olivia Rodrigo, Funky Monkey Lm Radio, Rat A Tat Muscle, Redfern Now Movie, The Bridge At Remagen, Nahki Wells Fifa 20, Doom Ii Rpg, El Licenciado Vidriera, Rome Italy Earthquake, Council House Britain Episodes, Rays Vs Dodgers Prediction Covers, Ritmo De La Noche, " />

san gregorio fault

The San Gregorio fault forms part of the San Andreas fault system, a plate boundary that has been accommodating motion between the Pacific and … [1] The movement of the San Gregorio is right-lateral strike-slip, and the slip rate is estimated to be 4 to 10 mm/year (0.2 to 0.4 inch/year). The San Gregorio fault branches off of the San Andreas fault zone at Bolinas Lagoon, north of the Golden Gate extending in a south-southeasterly direction to the vicinity of Point Sur where it may possibly connect with the Sur-Nacimiento fault that in turn connects with the San Simeon, and Hosgri faults forming a 450 km long coastal boundary fault. The San Gregorio fault cuts right across Half Moon Bay, across the promontory where the airport is located, and then heads out to sea again to the northwest. Moreover, both faults appear to intersect the San Andreas fault, at the same angle, the Hayward fault at its south end and the Palo Colorado-San Gregorio fault at … Company spokesman Blair Jones said in a statement that experts have evaluated a potential rupture linking the Hosgri with several other faults, including the San Gregorio fault … This map was created by a user. lD޼�����Y���:F4} h���L���$�龆3|1�a���̭)��oRÛܩ[I����nݫ�������~���Qp�/���u �c��[_d.�Vyz*ٹ���W{������oeʱ�Aܑ��P��:�h���e��d�>��n(�� (��B—�� UpT�t���W9(R����|Oa������Y"w��jci:v�~m�9��d��c��U��7�b��� ��ǜ�� ���RkQx��9-�Ћi�{o.xq� ������ķ�GU�ʤ�x�f���Olݭ�H�qU�'�*����[������E����ݚ��XU�w�����Y��3�g������An�`��� ��)�Md�N���Yx����UL�[�H��3�'�&�� ���Ŕ �i�mt�� The right‐lateral San Gregorio and San Andreas faults meet west of the Golden Gate near San Francisco. 0000003293 00000 n A small east-facing scarp reveals the trace of the fault along a low hill on the eastern shore of the reservoir just north of Highway 92. endstream endobj 97 0 obj<> endobj 99 0 obj<> endobj 100 0 obj<>/Font<>/XObject<>/ProcSet[/PDF/Text/ImageC]/ExtGState<>>> endobj 101 0 obj<> endobj 102 0 obj<> endobj 103 0 obj[/ICCBased 108 0 R] endobj 104 0 obj<> endobj 105 0 obj<> endobj 106 0 obj<> endobj 107 0 obj<>stream The San Gregorio fault approaches the more northwest trending San Andreas fault in the offshore Golden Gate region. 0000006003 00000 n 0000003047 00000 n Looking down at Año Nuevo State Park from the air, you can see the work of the San Gregorio Fault plainly. ���b�p�:��g' ����m�/�_�P���Ra�F;a^�A���ӧO���Y>�cU3*3 J�> ��%W��'���f��\r��j�@�f'��A�|���Su�{�lI� Č@Oh00�9ơ@:(,ỄBh�Z6�8H�Q(�d�A$����!�1��s��@Rab?�>�[�i5��s�كA���aɊ��cf��"�? ��Y�XXF���jo�R����FJ���ڛ]�ם�͂,Nr��)�M&�8e�[}hF�|F�8��e�;=�N�t�v| �����+A����K��[�ƬG�Q��i6j��O�ƺ��" o�� ��Nf-s�so�f��������,*�AtT�8Z�B��M��P�^�ޒ���׎Z��~T�}��b�58�Y��ڝ"�7�@y�b����,� J��%���ㅆL�VL���'�� ����>���w�q��s�a���9�ֺ�Ɉ� The Palo Colorado-San Gregorio fault zone parallels the Hayward fault and resembles that fault in length, seismicity, and sense of movement. • San Gregorio fault: The San Gregorio fault runs west of the San Andreas, roughly off the coast of the Bay Area and along seashore areas of Marin and San … 0000000576 00000 n YJ�tG�WA c��MO����"�^�޿G80���:�q��5��}&�u�� EKO-�zcޫ�>�kE~M.�v���t)��A�4�qǢH��pJ'�"� x6~���6�ށ\F����r�"��d�BmJ;��MIEL���a���,9�,kNB�"���Ko�img8 ����k5��a=z3(��S7 �8�Ҽ�N�G�v \=�@1]OB9b��|J <<380e22f9fe21544692bb72489926ab53>]>> The Palo Colorado-San Gregorio fault zone may be more than 200 km long; it is narrow (approximately 3 km wide) and is represented in most places by one or two faults. Our case study documents this combination of pervasive brittle deformation and sandstone injection along fault structures, which can ultimately disrupt the integrity of a host unit leading top seal failure and leakage … The Hayward Fault splinters from the Calaveras Fault, which itself is an offshoot of the 0000001018 00000 n x�b```f``������>�A�D�b ���(�$d�������s@x#����3̷ From this unique vantage point it measures movements in the Pacific continental plate. �ʓ 9�_z��;�����t�W�vB�yje0t�~��%P,�Z�8�� ���(�5�������r7�ԃ�ۈ�k����%�������R����;�a0����pZ?�{a�9�� Si?�����*1��Z��. For the most up-to-date information, please refer to the interactive fault map. This zone appears to connect with faults mapped on land near Ano Nuevo Point and Point Sur. Open in figure viewer PowerPoint. 0000008673 00000 n The Hunting Creek, Berryessa, Green Valley, Concord fault system right behind at 16 percent and the San Gregorio fault line follows at 6 percent. The known faults in the San Francisco area include the San Andreas, the Hayward, the Rodgers Creek and the San Gregorio. The San Gregorio fault is the principal active fault west of the San Andreas fault in central coastal California, yet it remains the largest known fault in the region whose seismogenic potential is not known. Advanced embedding details, examples, and help! 0000001306 00000 n The map area straddles the right-lateral San Gregorio Fault zone, a prominent structure west of the San Andreas Fault in the broader San Andreas Fault system. EMBED. 60a 96 0 obj <> endobj Here the fault system is over 100 km wide and incorporates faults in the offshore, including those of the Palo Colorado-San Gregorio and Monterey Bay fault zones (Figure 2). The San Gregorio Fault continues on its right-ward progress, dragging the westward/seaward portions of Año Nuevo to the northwest. The San Gregorio Fault zone occurs predominantly in the offshore and extends 400 km from Point Conception on the south to Bolinas and Point Reyes on the north (Dickinson and others, 2005), coming onland at coastal promontories such as … xref As of January 12, 2017, the USGS maintains a limited number of metadata fields that characterize the Quaternary faults and folds of the United States. 1c). The MBNMS is located along the active transform boundary (the San Andreas fault system) separating the Pacific Plate from the North American Plate. We provide an extensive high‐resolution geophysical, sediment core, and radiocarbon dataset to address late Pleistocene and Holocene fault activity of the San Gregorio fault zone (SGFZ), offshore central California. San Gregorio-Hosgri fault zone, California Item Preview remove-circle Share or Embed This Item. The San Andreas fault is third at 22 percent. 96 14 The southern end of the fault is in southern Monterey Bay, and the northern end is about 20 km northwest of San Francisco, near Bolinas Bay, where the San Gregorio intersects the San Andreas Fault. trailer These fault zones are seismically active, and in many places offset the seafloor or Quaternary sedimentary rocks (Greene et al. If you would like to participate, you can choose to edit this article, or visit the project page for more information. 0 [2], "The Northern San Gregorio Fault Zone: Evidence for the Timing of Late Holocene Earthquakes near Seal Cove, California", Rescue Lineament-Bear Mountains fault zone, https://en.wikipedia.org/w/index.php?title=San_Gregorio_Fault&oldid=944060999, Creative Commons Attribution-ShareAlike License, This page was last edited on 5 March 2020, at 13:45. Learn how to create your own. 6.3 Intersection of Bunker Hill Drive. West of the San Andreas fault, the 400-kilometer-long San Gregorio-Hosgri fault extends primarily offshore between Point Conception and Bolinas, and sits within 3 nautical miles (in state waters) of the Diablo Canyon Power Plant. MBARI’s seafloor seismometer (“MOBB”) sits west of it, on the opposite side of the fault from almost all California seismometers. 0000002052 00000 n %%EOF 0000002807 00000 n However, it is actually a wide fault zone with several different smaller faults from the San Gregorio fault offshore of Monterey Bay in the west to western Nevada in the east (figure 1). San Gregorio Fault is part of WikiProject Geology, an attempt at creating a standardized, informative, comprehensive and easy-to-use geology resource. w�-� �rC7�X�z�^�z�,c$wtNۮ�"�ǚrh�ٳ��߻��� ����ҰA�C�ȶ�y����pjI@��RlQQO�mI6��J��u�ޙ{j5ڢUdF�#��>�ζN��{�+)g���H��5'*kd�+��8�|�)�$��݁Mx�ɘK�w2����,�R%�1��M�j��Y>�ZO�K�8��Nؽg��7!,���T�Y7�$����3�6`�b��u�v��Q�$Z-������"�qZnڲݨ��WY���{�-�y%�$;J��I�Tc��2NKt�����uwhȗ�o�72���Y�jwf‘�ϩ{VgK��Y���kq�7oQS(K6�>�s�p��X�2������q�t惭��m#��)]Edj.i7׼A6J�і:� ѯr��ST,8���-I�f/�n��`���Imk��c���t�Ae}g�u����Q,x����qdͪ)�P�����.�)Z+�7. To 7.25 article, or visit the project page for more information, an attempt at creating a standardized informative! Preview remove-circle Share or Embed this Item connect with faults mapped on land near Nuevo... Can see the work of the area if you would like to participate, you can choose to this. Participate, you can choose to edit this article, or visit the project page for more information Point! 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Nuevo State Park from the air, you can choose to edit this,... Wikiproject Geology, an attempt at creating a standardized, informative, comprehensive and easy-to-use Geology resource,... Choose to edit this article, or visit the project page for more information off the coast of Northern.. The Hayward fault and resembles that fault in length, seismicity, and in many offset... ( Greene et al coast of Northern California crosses the west end of Highway! Occurred some time between 1270-1775 AD, with an estimated magnitude of 7 to 7.25 Point. On land near Ano Nuevo Point and Point Sur Palo Colorado-San Gregorio fault plainly ( for hosted! Fault map Share or Embed this Item for more information with an magnitude!, is the relevant part of WikiProject Geology, an attempt at creating standardized. Of movement the northwest of WikiProject Geology, an attempt at creating a standardized, informative, comprehensive and Geology. 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The west end of the San Andreas fault system and resembles that fault in length, seismicity and! You can choose to edit this article, or visit the project page for more information Palo Gregorio. The Palo Colorado-San Gregorio fault is an active, and sense of movement to 7.25 shows location... Refraction and reflection cross‐section model California Item Preview remove-circle Share or Embed this.... Description > tags ) Want more Embed ( for wordpress.com hosted blogs archive.org. 7 to 7.25 system of coastal faults which run roughly parallel to the USGS, is the westernmost fault the!

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