Category Archives: pacific

Earthquake Report: Cotobato Trench, Philippines

Earlier in April (2017) there was some activity in 4 different regions of the Philippines. Based upon the low magnitudes and large epicentral distances, these earthquakes were most unlikely to be directly related to each other. A couple days ago, … Continue reading

Posted in earthquake, geology, pacific, plate tectonics

Earthquake Report: 1992.04.25 M 7.1 Petrolia

The 25 April 1992 M 7.1 earthquake was a wake up call for many, like all large magnitude earthquakes are. Here is my personal story. I was driving my girlfriend’s car (Jen Guevara) with her and some housemates up to … Continue reading

Posted in cascadia, earthquake, education, geology, humboldt, mendocino, pacific, plate tectonics, San Andreas, subduction, tsunami

Earthquake Report: Philippines

I put these together earlier this week for me classes and finally have a moment to write about these earthquakes. The Philippines region has been quite active lately, as it frequently is. I show below a series of earthquakes from … Continue reading

Posted in asia, earthquake, education, geology, HSU, pacific, plate tectonics, strike-slip, subduction

Earthquake Report: Kamchatka!

This earthquake happened last night as I was preparing course materials for this morning. Initially it was a magnitude 6.9, but later modified to be M 6.9. This earthquake happened in an interesting region of the world where there is … Continue reading

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

Good Friday Earthquake 27 March 1964

In March of 1964, plate tectonics was still a hotly debated topic at scientific meetings worldwide. Some people still do not accept this theory (some Russian geologists favor alternative hypotheses; Shevchenko et al., 2006). At the time, there was some … Continue reading

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

Earthquake Report: Bougainville and Solomons

In the past couple of weeks, there were some earthquakes in the equatorial western Pacific. Here are the USGS websites for the two largest earthquakes in the two regions. 2017.03.04 M 6.1 2017.03.19 M 6.0 The M 6.1 was a … Continue reading

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

Earthquake Report: New Britain

We just had an earthquake with a USGS magnitude of M 6.5 along the subduction zone formed by the convergence of the Solomon Sea plate on the south and the South Bismarck plate on the north. Here is the USGS … Continue reading

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

Earthquake Report: Banda Sea

Earlier this week there was a moderate earthquake along a strike-slip fault that appears to adjoin the Banda/Timor/Java Arc with New Guinea. This strike-slip fault appears to cross oblique to the subduction zone that forms the Timor Trench to the … Continue reading

Posted in asia, australia, earthquake, education, geology, HSU, Indonesia, pacific, plate tectonics, strike-slip, subduction

Earthquake Report: Alaska

We had an earthquake a few days ago along the Cook Strait west of Anchorage, Alaska. This earthquake happened nearby a couple earthquakes from the past 2 years that have similar senses of motion along faults that seem to be … Continue reading

Posted in alaska, earthquake, education, geology, HSU, pacific, plate tectonics, strike-slip, subduction

Earthquake Report: EOTD Chile M 8.8 2010.02.27

Earthquake of the Day: 2010.02.27 M 8.8 Maule, Chile. There was an earthquake with a magnitude of M 8.8 on this day in 2010. I have prepared an interpretive poster that shows the extent of ground shaking modeled for this … Continue reading

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