Category Archives: tsunami

2017/09/08
1:22 PM
by: Jay Patton

Earthquake Report: Chiapas, Mexico Update #1

Well, after about 4 hours sleep, my business partner woke me up to talk about the fire alarms we were installing in a rental (#safetyfirst). Now that I have had some breakfast, I here provide some additional observations that people … Continue reading →

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

2017/04/24
10:54 PM
by: Jay Patton

Earthquake Report: 1992.04.25 M 7.1 Petrolia

The 25 April 1992 M 7.1 earthquake was a wake up call for many, like all large magnitude earthquakes are. Here is my personal story. I was driving my girlfriend’s car (Jen Guevara) with her and some housemates up to … Continue reading →

Posted in cascadia, earthquake, education, geology, humboldt, mendocino, pacific, plate tectonics, San Andreas, subduction, tsunami

2017/03/27
12:55 PM
by: Jay Patton

Good Friday Earthquake 27 March 1964

In March of 1964, plate tectonics was still a hotly debated topic at scientific meetings worldwide. Some people still do not accept this theory (some Russian geologists favor alternative hypotheses; Shevchenko et al., 2006). At the time, there was some … Continue reading →

Posted in alaska, education, geology, HSU, pacific, plate tectonics, subduction, tsunami

2017/03/05
5:06 PM
by: Jay Patton

Earthquake Report: New Britain

We just had an earthquake with a USGS magnitude of M 6.5 along the subduction zone formed by the convergence of the Solomon Sea plate on the south and the South Bismarck plate on the north. Here is the USGS … Continue reading →

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

2017/02/27
12:19 PM
by: Jay Patton

Earthquake Report: EOTD Chile M 8.8 2010.02.27

Earthquake of the Day: 2010.02.27 M 8.8 Maule, Chile. There was an earthquake with a magnitude of M 8.8 on this day in 2010. I have prepared an interpretive poster that shows the extent of ground shaking modeled for this … Continue reading →

Posted in education, geology, HSU, pacific, plate tectonics, subduction, tsunami

2017/02/09
12:23 PM
by: Jay Patton

Earthquake Report: Makran subduction zone (Pakistan)!

There was a good sized earthquake along the Makran subduction zone. This subduction zone is a convergent plate boundary where the Arabia plate subducts (goes beneath) northwards under the Eurasia plate. There has been one aftershock reported by the USGS. … Continue reading →

Posted in asia, geology, Indian Ocean, plate tectonics, subduction, tsunami

2017/01/26
10:10 AM
by: Jay Patton

Earthquake Report: 1700 Cascadia subduction zone 317 year commemoration

Today (possibly tonight at about 9 PM) is the birthday of the last known Cascadia subduction zone (CSZ) earthquake. There is some evidence that there have been more recent CSZ earthquakes (e.g. late 19th century in southern OR / northern … Continue reading →

Posted in cascadia, earthquake, education, geology, gorda, HSU, humboldt, oregon, pacific, plate tectonics, San Andreas, subduction, Transform, tsunami, washington

2017/01/03
7:08 PM
by: Jay Patton

Earthquake Report: North Fiji Basin!

We just had a large earthquake along the West Fiji Ridge, one of the spreading ridges that forms the North Fiji Basin. Here is the USGS website for this M 7.2 earthquake. This earthquake was relatively shallow and, probably since … Continue reading →

Posted in earthquake, education, geology, HSU, pacific, plate tectonics, strike-slip, subduction, tsunami

2017/01/01
9:52 AM
by: Jay Patton

Earthquake Report: 2016 Summary Cascadia

Here I summarize the seismicity for Cascadia in 2016. I limit this summary to earthquakes with magnitude greater than or equal to M 4.0. I reported on all but five of these earthquakes. I put this together a couple weeks … Continue reading →

Posted in cascadia, earthquake, education, geology, gorda, HSU, humboldt, mendocino, mendocino, oregon, pacific, plate tectonics, San Andreas, strike-slip, subduction, Transform, tsunami

2016/12/26
11:31 PM
by: Jay Patton

Earthquake Anniversary: Sumatra-Andaman 2004 M 9.2 & 2005 M 8.6

On 26 December 2004 there was an earthquake with a magnitude of M 9.2 along the Sumatra-Andaman subduction zone (SASZ). This earthquake is the third largest earthquake ever recorded by modern seismometers and ruptured nearly 2,000 km of the megathrust … Continue reading →

Posted in asia, earthquake, education, geology, HSU, Indian Ocean, plate tectonics, subduction, sumatra, tsunami