Category Archives: los angeles

Earthquake Report: Channel Islands Update #1

Well well. There was lots of interest in this M 5.3 earthquake offshore of Ventura/Los Angeles, justifiably so. Southern California is earthquake country. Here is an update. There was lots of information that I was trying to incorporate and I … Continue reading

Posted in collision, earthquake, education, geology, los angeles, pacific, plate tectonics, San Andreas, strike-slip

Earthquake Report: Channel Islands

I was finally getting around to writing a report for the deep Bolivia earthquake (Bolivia report here), when a M 5.3 earthquake struck offshore of the channel islands (south of Santa Cruz Island, west of Los Angeles). As is typical … Continue reading

Posted in earthquake, education, geology, los angeles, pacific, plate tectonics, San Andreas, strike-slip, Transform

Earthquake Report: 1971 Sylmar, CA

This earthquake was the second earthquake in the state of CA to lead to major changes in how people in the state handled earthquake hazards and risk and today is the 47th anniversary of this earthquake. The first important earthquake … Continue reading

Posted in collision, earthquake, education, geology, los angeles, plate tectonics, San Andreas

Earthquake Report: 1994 Northridge!

Today is the anniversary of the 1994 M 6.7 Northridge Earthquake. I was living in Arcata at the time (actually in my school bus in a driveway to save money). I remember calling my mom from a pay phone to … Continue reading

Posted in collision, earthquake, education, geology, HSU, los angeles, plate tectonics, San Andreas

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. … Continue reading

Posted in College Redwoods, earthquake, education, geology, HSU, los angeles, plate tectonics, San Andreas, strike-slip, Transform

Earthquake, Straight out of Compton!

An earthquake occured this morning in Compton! Initially a 3.2, is currently a M = 2.9, as reported by the USGS (here is their web page). Here is a map that shows the faults, the earthquakes from the past decade, … Continue reading

Posted in College Redwoods, earthquake, education, HSU, los angeles, plate tectonics

Los Angeles: Newport Inglewood Earthquake!

Last night, we had another earthquake on the Newport Inglewood fault (NIF) system. This fault ruptured in 1933, which led to Long Beach adopting the most strict building codes in the nation. Later, these codes were adopted by the state, … Continue reading

Posted in earthquake, education, geology, HSU, los angeles, plate tectonics, San Andreas, strike-slip, Transform

Earthquakes in Los Angeles

We have had a number of small earthquakes in the Los Angeles Basin in the past month. These three earthquakes appear aligned with the Newport Inglewood fault system, the fault that ruptured in 1933 for what is generally called the … Continue reading

Posted in Chemeketa Community College, collision, education, geology, HSU, los angeles, plate tectonics, Transform

Earthquake in the Baldwin Hills (Los Angeles)

Well, there was quite a buzz on social media following this small magnitude earthquake today. Here is the USGS web page for this Mw 3.3 earthquake. The earthquake appears to be related to the Newport-Inglewood fault system and the epicenter … Continue reading

Posted in Chemeketa Community College, earthquake, education, geology, HSU, los angeles, plate tectonics, Transform