Monthly Archives: June 2014

M 7.9 Rat Island / Aleutian Islands: aftershocks reveal more

There have been a nice suite of aftershocks to help us interpret these data. There were several aftershocks less than or equal to M = 6. These occurred within hours of the mainshock. They also occurred northwest of the mainshock. … Continue reading

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

M 7.9 Aleutians Earthquake!

This one is large and fairly deep. Here is the USGS web page for this earthquake. There are several aftershocks, the largest so far is M 6. Today’s earthquakes are located along the Aleutian subduction zone, nearby the Bolan Ridge … Continue reading

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