Monthly Archives: May 2014

Panama Aftershocks Reveal Likely Fault Solution

All rightee… We have a number of aftershocks that are lighting up the potential fault that ruptured a couple days ago. Here is my page for this earthquake. Here is the USGS page. The aftershocks are aligned with the north-south … Continue reading

Posted in College Redwoods, earthquake, education, geology, plate tectonics, research

I have placed some photos into a basic photo gallery. These are from the 2014 Seismological Society of America Meeting in Anchorage, Alaska. [Show as slideshow] 123456►

1964 Earthquake Animation

Here is a simulation of the 1964 earthquake. I found this posted online on livescience (they do not typically provide a link to the original content, but repost without attribution) but here is the source. Carl is  an assistant professor of … Continue reading

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

Earthquake offshore Panama

Good sized earthquake offshore Panama! Here is the USGS page. This is probably an earthquake on an oblique high angle reverse fault, based on this early moment tensor. The hypocentral depth is pretty shallow too. This looks related to the … Continue reading

Posted in College Redwoods, earthquake, education, geology, plate tectonics, tsunami

Update Commentary on the OSO Slide: Scott Burns

Scott Burns, emeritus at Portland State and a student of Peter Birkeland, wrote an excellent article about the OSO Slide. I made a few animations and armchair interpretations about this slide shortly after it happened (here). Scott discusses the geologic … Continue reading

Posted in College Redwoods, earthquake, education, geology, landslides

1964 Great Alaska Earthquake: Before and After Photos

I just got back from a great Seismological Society Meeting in Anchorage, Alaska. The meeting was held there in part to celebrate the 50th anniversary of the 1964 Great Alaska Earthquake. I will post more online in the coming week. … Continue reading

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