We just had a pair of earthquakes near the town of Petrolia (first oil well in CA drilled here, ergo the name). The first one I did not feel, but I did feel the quick jolt of the second one.…
Earthquake Report: India!
Today we had a good sized earthquake in eastern India, within the India-Burmese wedge (IBW). The IBW is a part of the convergent plate boundary between the India plate to the west and the Burma (part of Eurasia) plate to…
Earthquake Report: 2015 Summary M GT 7
Here I summarize the global seismicity for 2015. I limit this summary to earthquakes with magnitude greater than or equal to M 7.0. I reported on all but one of these earthquakes. Here are all the annual summaries: 2015 Earthquake…
Earthquake Report: San Bernardino (Devore)!
A couple days ago, I was on the road and did not yet have my laptop. Therefore I am reporting about this earthquake a few days afterwards… There has been a swarm of seismic activity in the San Bernardino area.…
Earthquake Report: Mendocino fault and Gorda plate!
We just had an earthquake along strike with the Mendocino fault zone. This region is seismically active and there were a number of MF earthquakes in 2015. Here is the USGS web page for today’s M = 4.5 MF earthquake.…
Earthquake Report: Tajikistan!
We just had an earthquake in Tajikistan with a magnitude of M = 7.2. Here is the USGS website for this earthquake. We had a M = 7.5 in Afghanistan in October of 2015, less than 2 months ago. That…
Earthquake Report: Southeast Indian Ridge!
While at the HSU Geology Club Rock Auction last night, there was a large earthquake south of the SE Indian Ridge, between the SE India Ridge and the Kerguelen Plateau. Here is the USGS web page for this M 7.1…
Earthquake Report: Argentina!
We just had an earthquake in Argentina! Here is the USGS web page for this earthquake. At first, I thought, “oh, another deep earthquake.” I looked at the hypocentral depth The hypocenter is the 3-D location of the earthquake, while…
Earthquake Report: Deep in Peru, Update #1
There was an aftershock to the pair of M 7.6 earthquakes in Peru: an earthquake with magnitude M = 6.7 in Brazil. Here is the USGS web page for this earthquake. I reported about the M 7.6 earthquake pair here.…
Earthquake Report: Deep in Peru!
Today we had a series of deep focus earthquakes in Peru. This suite of earthquakes occurred in a region that ruptured in the 1960s and recently in 1990. Further to the south, in 1994, there was a deep earthquake that…