Active Tectonics
Saturday, April 25, 2015

Accumulating a few links on the April 25, 2015 M7.9 Nepal Earthquake

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An M7.8 earthquake occurred 77km (48mi) NW of Kathmandu, Nepal April 25, 2015. It apparently occurred along the Main Himalayan thrust fault...
Wednesday, March 4, 2015

New papers on earliest Homo from our Ethiopia collaboration

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We have two papers coming out in Science on our research in the Afar, Ethiopia which document early Homo (based on a high quality mandible ...
Saturday, January 10, 2015

Hominin Sites and Paleolakes Drilling Project - HSPDP team meeting at Biosphere 2 Jan 9-10, 2015

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We had a very interesting and stimulating meeting of the Hominin Sites and Paleolakes Drilling Project - HSPDP team at the Biosphere2 Janu...
Friday, January 2, 2015

AGU 2014 and EarthScope Town Hall

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The American Geophysical Union Fall 2014 meeting came and went. It is quite a taxing meeting. But, I saw some old friends and many colleag...
Monday, December 1, 2014

November 30, 2014 M4.7 earthquake between Sedona and Flagstaff

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Last night, a M4.7 earthquake occurred between Flagstaff and Sedona (just west of Munds Park). I hope it was not too scary for my friends a...
Monday, November 24, 2014

Planetary Volcanology field trip to the Pinacate Volcanic Field (November 22-23, 2014)

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I joined a field trip to the Pinacate Volcanic Field in Northern Mexico this past weekend. It was a part of the Planetary Volcanology class...
Saturday, November 15, 2014

SoSAFE and Earthquake Geology Geochronology workshop report (Southern California Earthquake Center)

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Kate Scharer (USGS) , Mike Oskin (UC Davis) and I organized a geochronology workshop for the Southern California Earthquake Center communi...
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About Me

J Ramón Arrowsmith
Geology Professor in the School of Earth and Space Exploration at Arizona State University
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