Monthly Archives: November 2014

Another Aftershock in the Molucca Sea!

This earthquake happened really close to the M 7.1 from earlier (2014/11/15). Here is my page that has more information about the regional tectonic interpretations. Here is the USGS page for this M 6.8 earthquake. Here is the updated map … Continue reading

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

Earthquake in Central Honshu!

This morning (my time) there was a large earthquake in central Honshu. Here is the USGS page for this earthquake. The earthquake hypocentral depth is shallow, giving rise to the likelihood of damage to infrastructure and people. Here is a … Continue reading

Posted in geology, plate tectonics, subduction

Another Earthquake in the Molucca Sea

We just had another large earthquake in this region. Here is the USGS page for this M 6.5 earthquake. This earthquake hypocenter is much deeper than what we might expect for a subduction zone interface earthquake in this region. The … Continue reading

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

Earthquake along the Halmahera Arc

There was a Mw 7.1 thrust earthquake along the Halmahera Arc (a subduction zone) in the Molucca Sea, Indonesia. Here is the USGS web page for this earthquake. There was a small amplitude tsunami observed in the region of the … Continue reading

Posted in geology, plate tectonics, subduction, tsunami

Lassen Earthquake Swarm

There is currently an ongoing earthquake swarm in the region immediately south of Mt. Lassen. The largest magnitude is a M 3.9 (USGS). The California Volcano Observatory (CalVO) is monitoring these earthquakes. The earthquakes do not appear to be related … Continue reading

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

Earthquake Swarm in NW Nevada!

There has been an earthquake swarm in northwest Nevada. There was also a swarm in this region last August. The largest magnitude EQ so far is a magnitude 4.6. Here is a magnitude 4.0 EQ that initiated my interest in … Continue reading

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

Earthquake in the Fiji Region!

There was a large earthquake in the Fiji region yesterday (Saturday my time). The epicenter is far from the major convergent plate boundary. Here is the USGS page for this earthquake. Here is a map at the global scale. The … Continue reading

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