{"id":2348,"date":"2015-04-20T09:52:35","date_gmt":"2015-04-20T17:52:35","guid":{"rendered":"http:\/\/earthjay.com\/?p=2348"},"modified":"2015-04-20T09:52:35","modified_gmt":"2015-04-20T17:52:35","slug":"earthquake-near-taiwan","status":"publish","type":"post","link":"https:\/\/earthjay.com\/?p=2348","title":{"rendered":"Earthquake near Taiwan"},"content":{"rendered":"<p>Well, we just had a swarm of earthquakes with magnitudes near Taiwan. The USGS web pages for these earthquakes are here: M = <a href=\"http:\/\/earthquake.usgs.gov\/earthquakes\/eventpage\/us200027rt#general_summary\" target=\"_blank\" rel=\"noopener\">6.0<\/a>, <a href=\"http:\/\/earthquake.usgs.gov\/earthquakes\/eventpage\/us200027ru#general_summary\" target=\"_blank\" rel=\"noopener\">6.1<\/a>, and <a href=\"http:\/\/earthquake.usgs.gov\/earthquakes\/eventpage\/us200027ps#general_summary\" target=\"_blank\" rel=\"noopener\">6.4<\/a>. This is a complicated tectonic region and there are many different and differing interpretations. Taiwan is at a location where a westward vergent subduction zone (Manila trench) comes from the South and an eastward vergent subduction zone comes from the north (Ryukyu trench). I am getting ready to head to class and then to Pasadena for a Seismological Society of America meeting, so I cannot fully describe the complexity right now. I will try to follow up later.<br \/>\nHere is a map that shows the three earthquake epicenters as they relate to these plate boundary faults.<br \/>\n<a href=\"http:\/\/earthjay.com\/earthquakes\/20150420_taiwan\/20150420_taiwan_interpretation.pdf\" target=\"_blank\" rel=\"noopener\"><br \/>\n<img decoding=\"async\" src=\"http:\/\/earthjay.com\/earthquakes\/20150420_taiwan\/20150420_taiwan_interpretation.jpg\" width=\"100%\" alt=\"\" \/><\/a><br \/>\nHere is an oblique view of the plate configuration in this region. This is from <a href=\"http:\/\/active.gl.ntu.edu.tw\/new_website\/lecture\/03geologic_hazard\/html\/report\/01.htm\" target=\"_blank\" rel=\"noopener\">Chang (2001)<\/a>.<br \/>\n<a href=\"http:\/\/earthjay.com\/earthquakes\/20150420_taiwan\/chang_etal_2001_bssa_taiwan.gif\" target=\"_blank\" rel=\"noopener\"><br \/>\n<img decoding=\"async\" src=\"http:\/\/earthjay.com\/earthquakes\/20150420_taiwan\/chang_etal_2001_bssa_taiwan.gif\" width=\"100%\" alt=\"\" \/><\/a><br \/>\nHere is a great interpretation showing how the Island of Taiwan is being uplifted and exhumed. This is from <a href=\"http:\/\/www.earth.sinica.edu.tw\/papers\/linch\/nova.pdf\" target=\"_blank\" rel=\"noopener\">Lin (2002)<\/a>.<br \/>\n<a href=\"http:\/\/earthjay.com\/earthquakes\/20150420_taiwan\/lin_2002_fig_3_subduction_ehumation.JPG\" target=\"_blank\" rel=\"noopener\"><br \/>\n<img decoding=\"async\" src=\"http:\/\/earthjay.com\/earthquakes\/20150420_taiwan\/lin_2002_fig_3_subduction_ehumation.JPG\" width=\"100%\" alt=\"\" \/><\/a><br \/>\nNeedless to say, this is an excellent map showing the complicated faulting of this region. This is from <a href=\"http:\/\/theunissen.h.uib.no\/recherche.php?lang=fr\" target=\"_blank\" rel=\"noopener\">Theunissen et al. (2012)<\/a>.<br \/>\n<a href=\"http:\/\/earthjay.com\/earthquakes\/20150420_taiwan\/seismicity1.png\" target=\"_blank\" rel=\"noopener\"><br \/>\n<img decoding=\"async\" src=\"http:\/\/earthjay.com\/earthquakes\/20150420_taiwan\/seismicity1.png\" width=\"100%\" alt=\"\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<div class=\"entry-summary\">\nWell, we just had a swarm of earthquakes with magnitudes near Taiwan. The USGS web pages for these earthquakes are here: M = 6.0, 6.1, and 6.4. This is a complicated tectonic region and there are many different and differing&hellip;\n<\/div>\n<div class=\"link-more\"><a href=\"https:\/\/earthjay.com\/?p=2348\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &ldquo;Earthquake near Taiwan&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":[49,6,7,9,27,34,38],"tags":[],"aioseo_notices":[],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/earthjay.com\/index.php?rest_route=\/wp\/v2\/posts\/2348"}],"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=2348"}],"version-history":[{"count":0,"href":"https:\/\/earthjay.com\/index.php?rest_route=\/wp\/v2\/posts\/2348\/revisions"}],"wp:attachment":[{"href":"https:\/\/earthjay.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2348"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/earthjay.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2348"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/earthjay.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2348"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}