Category Archives: subduction

Earthquake Report: New Britain!

Just a few hours ago there was a subduction zone megathrust earthquake along the New Britain Trench in the western equatorial Pacific Ocean. In this region of the world, the Solomon Sea plate and the South Bismarck plate converge to … Continue reading

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

Earthquake Report: Kermadec

The earthquakes continue, every day. Today, there was a large earthquake associated with the subduction zone that forms the Kermadec Trench. This earthquake was quite deep, so was not expected to generate a significant tsunami (if one at all). There … Continue reading

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

Earthquake Report: Hokkaido, Japan

Following the largest typhoon to strike Japan in a very long time, there was an earthquake on the island of Hokkaido, Japan today. There is lots on social media, including some spectacular views of disastrous and deadly landslides triggered by … Continue reading

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

Earthquake Report: Loyalty Islands

The earthquakes continue, every day. Today, there was a large earthquake along the southern New Hebrides Trench. Today’s M 7.1 earthquake happened along one of the more active subduction zones in the world. The hypocentral (3-D location) depth of ~26 … Continue reading

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