Monthly Archives: November 2013

M7.0 in the South Atlantic

How exciting! This earthquake is on the other side of the Scotia plate from the earthquake swarm from last week. This M7.0 earthquake appears to have slipped along a fault associated with the North Scotia Ridge (NSR). The NSR is … Continue reading

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

M7.8 Scotia Sea

We just got another large earthquake in this region, of magnitude 7.8. There were some changes in magnitudes and epicentral locations early on. It is still early and may change more. Earlier there was a M6.8 earthquake nearby, along with … Continue reading

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

M 6.8 Scotia Sea

Nice big one along the complex fault zone west of the Scotia subduction zone. The Scotia subduction zone is an interesting oceanic subduction zone that is possibly related tot he opening between South America and Antarctica. Today’s earthquake occurred in … Continue reading

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

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