Category Archives: subduction

Earthquake Report: Lombok, Indonesia

Well well. After a pretty seismically quiet first half of 2018, we have been catching up rapidly. The ultra deep Great Earthquake in Fiji. And now the Lombok sequence continues. The inhabitants and tourists in the Lombok, Indonesia region have … Continue reading

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

Earthquake Report: Fiji

WOW We just had a Great Earthquake in the region of the Fiji Islands, in the central-western Pacific. Great Earthquakes are earthquakes with magnitudes M ≥ 8.0. This earthquake is one of the largest earthquakes recorded historically in this region. … Continue reading

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

Earthquake Report: Andreanof Islands, Aleutians

Well, yesterday while I was installing the final window in a reconstruction project, there was an earthquake along the Aleutian Island Arc (a subduction zone) in the region of the Andreanof Islands. Here is the USGS website for the M … Continue reading

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

Earthquake Report: Lombok, Indonesia: Update #1

Yesterday morning, as I was recovering from working on stage crew for the 34th Reggae on the River (fundraiser for the non profit, the Mateel Community Center), I noticed on social media that there was an M 6.9 earthquake in … Continue reading

Posted in College Redwoods, collision, earthquake, education, geology, Indonesia, pacific, plate tectonics, subduction

Earthquake Report: Lombok, Indonesia

Earlier today there was a shallow M 6.4 earthquake with an epicenter on the island of Lombok, Indonesia. With a hypocentral depth of about 7.5 km, this size of an earthquake can be quite damaging. The USGS PAGER estimate of … Continue reading

Posted in australia, collision, earthquake, education, geology, Indian Ocean, Indonesia, pacific, plate tectonics, subduction

Earthquake Report: Bolivia!

A couple days ago there was a deep focus earthquake in the downgoing Nazca plate deep beneath Bolivia. This earthquake has an hypocentral depth of 562 km (~350 miles). We are still unsure what causes an earthquake at such great … Continue reading

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

Earthquake Report: New Britain

Well, those earthquakes from earlier, one a foreshock to a later one, were foreshocks to an earthquake today! Here is my report from a couple days ago. The M 6.6 and M 6.3 straddle today’s earthquake and all have similar … Continue reading

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

Earthquake Report: New Britain

The New Britain region is one of the more active regions in the world. See a list of earthquake reports for this region at the bottom of this page, above the reference list. Today’s M 6.6 earthquake happened close in … Continue reading

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

Earthquake Report: ¡Oaxaca, Mexico!

There was just now an earthquake in Oaxaca, Mexico between the other large earthquakes from last 2017.09.08 (M 8.1) and 2017.09.08 (M 7.1). There has already been a M 5.8 aftershock.Here is the USGS website for today’s M 7.2 earthquake. … Continue reading

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

Earthquake Report: 1960 Valdivia, Chile M 9.5

In commemoration of the #EarthquakeCup, I have put together a summary for the largest instrumentally recorded earthquake, the M 9.5 1960 Valdivia, Chile Earthquake. The Peru-Chile trench is quite active and generated Great earthquakes (M>8) in 1985, 2010, 2014, and … Continue reading

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