Monthly Archives: February 2015

Northern Mid Atlantic Ridge: Charlie Gibbs fracture zone

We had a large Mw 7.1 earthquake today along the Charlie Gibbs fracture zone, which is the longest transform plate boundary fault system in the North Atlantic, which offsets the Reykjanes Ridge from the Mid Atlantic Ridge. Here is a … Continue reading

Posted in Chemeketa Community College, earthquake, education, geology, plate tectonics, Transform

Panama fracture zone strikes again

We have another earthquake along the Panama fracture zone (PFZ) plate boundary. There are numerous sub-parallel transform (strike-slip) faults in this region. The most recent earthquake is a M = 5.7 and is plotted as the most southerly orange dot … Continue reading

Posted in Chemeketa Community College, earthquake, education, geology, plate tectonics, Transform

Jan 31, 2015 Panama fracture zone shakes it up

There was another earthquake along the Panama fracture zone today, following a couple from earlier in the month. Today, there was a Mb 5.1, while on 1.16/2015 there was a Mw 6.6. There was a swarm along strike with the … Continue reading

Posted in Chemeketa Community College, earthquake, education, geology, plate tectonics, subduction