There was a M=4.7 earthquake today in central Sumatra along the Sumatra fault system. Interesting that it is following the 6.1 further to the north just a few days ago. in the map below, the earthquakes associated with the M…
M 6.1 in northern Sumatra
nice strike slip earthquake here in northern sumatra. pretty big, hope not many people were hurt. but, much smaller than could be observed on this fault system. the sumatra fault system is a right lateral strike slip fault system that…
Another large earthquake, along strike with the M8.3
here is an update to this series of interesting earthquakes. http://earthjay.com/earthquakes/20130523_sea_okhotsk/sea_okhostk_20130524_1000.PNG this one is along strike and at a similar depth to the M8.3. also an extensional earthquake, but with a more intermediate dip. it will be interesting to see…
M 8.3 deep earthquake in the Sea of Okhotsk
wowo, busy tonight. here is a pretty big quake http://earthjay.com/earthquakes/20130523_sea_okhotsk/sea_okhostk_20130523_2300.PNG the kuril trench has been active (subduction zone where the pacific plate subducts beneath the north america plate) and the yellow and orange dots in my map show recent quakes…
2013 Kinetic Madness Celebration
Please come to my Twelfth Annual Kinetic Madness Celebration THIS SAT AT NOON: manila beach bungalo. i have been celebrating the kinetic sculpture race since i moved to manila in 1996. the race rides directly in front of my house…
Draft Dissertation is online
I have placed my dissertation online here The main dissertation is a single document, but there are additional appendices that are separate links. I will defend my work at 2PM on Wed. May 29, 2013 in Burt Hall Room 193.…
4/29/31 HSU Dept. Geology Student Colloquium
Here is the page for this presentation, though the links below work also. PowerPoint: Here is the PowerPoint from this talk about Seismoturbidite Chronostratigraphy and Slope Stability offshore Sumatera, Indonesia: HSU Student Colloquium PowerPoint (110 MB) These videos are in…
Paper Published: Seismoturbidite record as preserved at core sites at the Cascadia and Sumatra–Andaman subduction zones”
My paper has recently been published online and open source. Please find this here. This paper is part of a Natural Hazards and Earth System Sciences special issue on submarine paleoseismology. Seismoturbidite record as preserved at core sites at the…
another large aftershock M7
Here is a large aftershock M7 near the island closest to the mainshock M8. USGS site page Here is a summary poster of the tectonics in the region: USGS site page USGS poster (68MB pdf)
Interesting aftershock to the M8 Santa Cruz Isles earthquake
Here is an aftershock that appears to be past the end of the subduction zone. The people who work in this region have not extended the subduction zone this far. I look forward to seeing the focal mechanism for this…