{"id":2565,"date":"2015-05-30T10:37:54","date_gmt":"2015-05-30T18:37:54","guid":{"rendered":"http:\/\/earthjay.com\/?p=2565"},"modified":"2015-05-30T10:37:54","modified_gmt":"2015-05-30T18:37:54","slug":"earthquake-in-izu-bonin","status":"publish","type":"post","link":"https:\/\/earthjay.com\/?p=2565","title":{"rendered":"Earthquake in Izu-Bonin!"},"content":{"rendered":"<p>Early this morning (luckily I was not awake at the time) we had a really deep (~677km) M = 7.8 extensional earthquake along the Bonin Trench in the western Pacific. <a href=\"http:\/\/earthquake.usgs.gov\/earthquakes\/eventpage\/us20002ki3#general_summary\" target=\"_blank\" rel=\"noopener\">Here is the USGS page<\/a> for this earthquake.<br \/>\nHere is a map that shows the epicenter in red (due to the depth), along with the moment tensor for this earthquake. I also plot the general location of the <a href=\"http:\/\/en.wikipedia.org\/wiki\/1944_T%C5%8Dnankai_earthquake\" target=\"_blank\" rel=\"noopener\">1944 T\u014dnankai<\/a> and <a href=\"http:\/\/en.wikipedia.org\/wiki\/1946_Nankai_earthquake\" target=\"_blank\" rel=\"noopener\">1946 and Nankai<\/a> Earthquakes. I also include a cross section for this subduction zone (also from the <a href=\"http:\/\/en.wikipedia.org\/wiki\/Izu-Bonin-Mariana_Arc\" target=\"_blank\" rel=\"noopener\">wikipedia page<\/a>).<br \/>\n<a href=\"http:\/\/earthjay.com\/earthquakes\/20150530_izu_bonin\/20150530_isu_bonin_interpretation.pdf\" target=\"_blank\" rel=\"noopener\"><br \/>\n<img decoding=\"async\" src=\"http:\/\/earthjay.com\/earthquakes\/20150530_izu_bonin\/20150530_isu_bonin_interpretation.jpg\" width=\"100%\" alt=\"\" \/><\/a><br \/>\nHere I have plotted the slab contours (Hayes et al., 2012).<br \/>\n<a href=\"http:\/\/earthjay.com\/earthquakes\/20150530_izu_bonin\/20150530_izu_bonin_regional_map_slab_contours.jpg\" target=\"_blank\" rel=\"noopener\"><br \/>\n<img decoding=\"async\" src=\"http:\/\/earthjay.com\/earthquakes\/20150530_izu_bonin\/20150530_izu_bonin_regional_map_slab_contours.jpg\" width=\"100%\" alt=\"\" \/><\/a><br \/>\nHere is a regional tectonic map from the wikipedia site on this region.<br \/>\n<a href=\"http:\/\/earthjay.com\/earthquakes\/20150530_izu_bonin\/IBM-Locality.jpg\" target=\"_blank\" rel=\"noopener\"><br \/>\n<img decoding=\"async\" src=\"http:\/\/earthjay.com\/earthquakes\/20150530_izu_bonin\/IBM-Locality.jpg\" alt=\"\" \/><\/a><br \/>\nThere is more about the regional tectonics on the <a href=\"http:\/\/pubs.usgs.gov\/of\/2010\/1083\/m\/\" target=\"_blank\" rel=\"noopener\">USGS page here<\/a>.<br \/>\nHere is a map showing the general locations of the 1946 T\u014dnankai and 1944 Nankai Earthquakes.<br \/>\n<a href=\"http:\/\/earthjay.com\/earthquakes\/20150530_izu_bonin\/1946_1944.jpg\" target=\"_blank\" rel=\"noopener\"><br \/>\n<img decoding=\"async\" src=\"http:\/\/earthjay.com\/earthquakes\/20150530_izu_bonin\/1946_1944.jpg\" width=\"100%\" alt=\"\" \/><\/a><\/p>\n<ul>\nReferences:<\/p>\n<li>Hayes, G. P., D. J. Wald, and R. L. Johnson (2012), Slab1.0: <a href=\"http:\/\/www.agu.org\/pubs\/crossref\/2012\/2011JB008524.shtml\" target=\"_blank\" rel=\"noopener\">A three-dimensional model of global subduction zone geometries<\/a>, J. Geophys. Res., 117, B01302, doi:10.1029\/2011JB008524<\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<div class=\"entry-summary\">\nEarly this morning (luckily I was not awake at the time) we had a really deep (~677km) M = 7.8 extensional earthquake along the Bonin Trench in the western Pacific. Here is the USGS page for this earthquake. Here is&hellip;\n<\/div>\n<div class=\"link-more\"><a href=\"https:\/\/earthjay.com\/?p=2565\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &ldquo;Earthquake in Izu-Bonin!&rdquo;<\/span>&hellip;<\/a><\/div>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0},"categories":[49,6,53,7,9,27,34,38],"tags":[],"aioseo_notices":[],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/earthjay.com\/index.php?rest_route=\/wp\/v2\/posts\/2565"}],"collection":[{"href":"https:\/\/earthjay.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/earthjay.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/earthjay.com\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/earthjay.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2565"}],"version-history":[{"count":0,"href":"https:\/\/earthjay.com\/index.php?rest_route=\/wp\/v2\/posts\/2565\/revisions"}],"wp:attachment":[{"href":"https:\/\/earthjay.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2565"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/earthjay.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2565"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/earthjay.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2565"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}