Category Archives: sumatra

Earthquake near Siberut, Indonesia: Sumatra Megathrust

Yesterday (I was busy getting a Mt. St. Helens field trip together, here is the link for that) we had an earthquake with a magnitude M = 6.1. While this is not a large earthquake, it is notable because this … Continue reading

Posted in Chemeketa Community College, College Redwoods, education, geology, humboldt, Indonesia, plate tectonics, subduction, sumatra

Tohoku-Oki Aftershocks Continue

The aftershocks continue offshore northeast Japan. The recent swarm appear to align along a northwesterly strike (trend). Here is the USGS web page for the earthquake from today. This is the USGS web page for the largest magnitude earthquakes in … Continue reading

Posted in Chemeketa Community College, education, geology, Japan, plate tectonics, subduction, sumatra, tsunami

Sumatra-Andaman subduction zone 2014/12/26: Slip, Deformation, and Energy

Here is an update to my post earlier on the 2004 Sumatra-Andaman subduction zone earthquake of 2004/12/26 (about a decade ago). This series of plots show the large variation in non unique slip models for this earthquake. The authors divide … Continue reading

Posted in earthquake, education, geology, plate tectonics, subduction, sumatra, tsunami

Boxing Day Earthquake: Sumatra-Andaman subduction zone 2014/12/26

The Decadal Anniversary is coming up and I will be posting some material regarding the earthquake and tsunami that changed the lives of millions. This Mw 9.15 earthquake, slightly smaller in magnitude than the M 9.2 Good Friday Earthquake of … Continue reading

Posted in earthquake, education, geology, plate tectonics, subduction, sumatra, tsunami

Indian Ocean M 5.4 2014/03/27

Good Morning! A very coolio M 5.4 earthquake in the northern Indian Ocean between the Ninetyeast Ridge and Sri Lanka. Here is the USGS webpage for this earthquake. This is interesting because it is northwest of a swarm of earthquakes … Continue reading

Posted in cascadia, College Redwoods, earthquake, education, geology, plate tectonics, sumatra

Andaman Sea Swarm M 6.5

Here is a good sized earthquake swarm in the Andaman Sea. I am a little late posting this, I was otherwise detained. Here is the USGS webpage for the Mw 6.5 earthquake. The Andaman Sea is a region of back-arc … Continue reading

Posted in cascadia, College Redwoods, earthquake, education, geology, plate tectonics, sumatra

I Just Uploaded My Dissertation

woot woot I will be submitting the remaining two papers in the coming weeks. I am still “on target” until then. Below are links to the two files I uploaded to the digital scholar. The final signature page needs to … Continue reading

Posted in cascadia, earthquake, education, geology, plate tectonics, research, salutations, subduction, sumatra

Simuelue Swarm 2013/12/01-02

Here is a series of earthquakes in the region of the 2005 great Sumatra-Andaman subduction zone earthquake. These earthquake epicenters plot very close to the epicenter of the 2005 earthquake. The island just northwest of today’s earthquake is named Simeulue. … Continue reading

Posted in College Redwoods, earthquake, education, geology, plate tectonics, subduction, sumatra

Sumatra Coring Video

While we were at sea offshore Sumatra, there was a CBC (Canada) film maker aboard recording material for a film on Cascadia subduction zone earthquakes. This is a dity that he made for us. Here are a couple videos completed … Continue reading

Posted in earthquake, education, geology, plate tectonics, subduction, sumatra

Updated Dissertation Files

I have organized my three papers. These are in a state of flux and I hope to submit them to my committee shortly. Here is the draft of my first paper, I will be submitting this to Geosphere shortly. Here … Continue reading

Posted in cascadia, geology, research, subduction, sumatra, Uncategorized