Monthly Archives: December 2016

Earthquake Report: Nevada!

Well, this is an interesting series of earthquakes. They occurred in a region that has not had any earthquakes (given the USGS NEIC database). However, as Jascha Polet pointed out on twitter, there was a swarm to the east in … Continue reading

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Earthquake Anniversary: Sumatra-Andaman 2004 M 9.2 & 2005 M 8.6

On 26 December 2004 there was an earthquake with a magnitude of M 9.2 along the Sumatra-Andaman subduction zone (SASZ). This earthquake is the third largest earthquake ever recorded by modern seismometers and ruptured nearly 2,000 km of the megathrust … Continue reading

Posted in asia, earthquake, education, geology, HSU, Indian Ocean, plate tectonics, subduction, sumatra, tsunami

Earthquake Report: Chile!

Last night we had a large earthquake in the southern region of the 1960 M 9.5 Valdivia earthquake. Below are some USGS websites for the three large earthquakes for this region that I mention in my interpretive poster. Based on … Continue reading

Posted in earthquake, education, geology, pacific, plate tectonics, subduction, tsunami

Earthquake Report: Bougainville!

Early this morning my time there was a large earthquake along the San Cristobal Trench, a segment of a convergent plate boundary formed by the subduction of the Solomon Sea plate eastwards beneath the Pacific plate. There was an M … Continue reading

Posted in earthquake, education, geology, HSU, pacific, plate tectonics, subduction

Earthquake Report: Solomons!

Yesterday there began a swarm of seismic activity along the southern Solomon trench. What began with a M 7.8 earthquake on 2016.12.08, there have been many aftershocks including a M 6.9 this morning (my time). Below is my interpretive poster … Continue reading

Posted in earthquake, education, geology, HSU, pacific, plate tectonics, subduction, tsunami

Earthquake Report: Mendocino fault Update #1

Today is one of my busiest days of the semester. I am administering a final and my two classes are presenting their video projects. Then, we had this M 6.5 earthquake in the wee hours and a M 7.7 (prelim … Continue reading

Posted in cascadia, earthquake, education, geology, HSU, humboldt, pacific, plate tectonics, strike-slip, Transform

Earthquake Report: Mendocino fault!

I was awake and just logging into my laptop, still in bed, when I first felt some movement. The movement was slight and not impulsive, so I thought it was a small earthquake. Then the shaking reappeared. This is when … Continue reading

Posted in cascadia, earthquake, education, geology, gorda, HSU, humboldt, mendocino, pacific, plate tectonics, strike-slip, subduction, Transform

Earthquake Report: Petrolia (CA)

This morning there was a good shaker that was widely felt across the region. I did not feel it. I was probably driving at the time, or grading papers, which can have the same sense-deadening effect. Here is the USGS … Continue reading

Posted in cascadia, earthquake, education, geology, gorda, HSU, mendocino, pacific, plate tectonics, San Andreas, strike-slip, Transform

Earthquake Report: Japan!

While I was returning from my research cruise offshore of New Zealand, there was an earthquake offshore of Japan in the region of the 2011.01.11 M 9.0 Tohoku-Oki Earthquake. Japan is one of the most seismically active regions on Earth. … Continue reading

Posted in asia, earthquake, education, Extension, geology, HSU, Japan, plate tectonics, tsunami

Earthquake Report: New Zealand Post # 02

Here is the first update on the 2016.11.13 (UTC) Mw 7.8 Kaikoura Earthquake and associated fault ruptures, ground shaking, and other geologic effects. I will be preparing several more posts on this subject. I was invited to participate on a … Continue reading

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