Category Archives: Uncategorized

Earthquake Report: Chile Update #1

Well, I thought more to compare this ongoing earthquake sequence with the 1985 M 8.0 earthquake. This, in context with the 2010 and 2015 earthquakes. My initial report based upon the M ~4-5.9 swarm is here and my report on … Continue reading

Posted in Uncategorized

Earthquake Report: Chile!

Well, we had another earthquake in the region of a recent (yesterday and the day before) swarm offshore of Valparaiso, Chile (almost due west of Santiago, one of the largest cities in Chile). My previous report on the M 4-5 … Continue reading

Posted in Uncategorized

Earthquake Report: Chile!

There have been a number of earthquakes along the subduction zone offshore of Chile. These have happened near the boundary of two Great Earthquakes from 2010 and 2015. This region may be a segment boundary along the subduction zone, albeit … Continue reading

Posted in Uncategorized

Earthquake Report: Gulf California!

There was an earthquake yesterday in the Gulf of California nearby a series of earthquakes that happened in 2015 and earlier in 2013. The 2017 and 2013 earthquakes are happening along a fault that forms the Carmen Basin and the … Continue reading

Posted in Uncategorized

Earthquake Report: Cape Mendocino Region

We just had an interesting earthquake in the region of the Mendocino triple junction. Recent earthquakes in this region show different fault plane solutions, owing to complexity of this area. In 1983 there was an earthquake ~10 km to the … Continue reading

Posted in Uncategorized

Radio Show Material: KHUM with Lyndsey Battle

Radio Show KHUM with Lyndsey Battle I prepared this material to prepare for a radio show that I participated in with Lyndsey Battle on KHUM. Here is the page on the KHUM website for this radio show. Here is a … Continue reading

Posted in Uncategorized

Earthquake Report: Bougainville! (western equatorial Pacific)

Last night (my time) we had a large earthquake along a plate boundary that is one of the most tectonically active regions in the world. There was an earthquake with a magntude of M 7.9 along the San Cristobal Trench … Continue reading

Posted in Uncategorized

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

Posted in Uncategorized

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

Posted in Uncategorized

Earthquake Report: Oregon

We just had an earthquake with an epicenter that plots near Warrenton, Oregon (at the northwesternmost tip of Oregon, near the mouth of the Columbia River). Here is the USGS website for this M 3.5 earthquake. Even though it is … Continue reading

Posted in Uncategorized