Category Archives: tsunami

2018/10/16
1:17 PM
by: Jay Patton

Earthquake/Landslide/Tsunami Report: Donggala Earthquake, Central Sulawesi: UPDATE #1

We continue to learn more each day as people collect additional information. Here is my initial Earthquake Report for this M 7.5 Donggala Earthquake. In short, there was an earthquake with magnitude M = 7.5 on 2018.09.28. Minutes after the … Continue reading →

Posted in College Redwoods, earthquake, education, geology, Indonesia, landslides, pacific, plate tectonics, strike-slip, tsunami

2018/09/28
4:56 PM
by: Jay Patton

Earthquake Report: Sulawesi (Celebes), Indonesia

Well, around 3 AM my time (northeastern Pacific, northern CA) there was a sequence of earthquakes including a mainshock with a magnitude M = 7.5. This earthquake happened in a highly populated region of Indonesia. This area of Indonesia is … Continue reading →

Posted in College Redwoods, earthquake, education, geology, Indonesia, plate tectonics, strike-slip, tsunami

2018/08/16
12:43 PM
by: Jay Patton

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

2017/11/19
11:36 PM
by: Jay Patton

Earthquake Report: Loyalty Islands Update #1

I just got back from one of the best conferences that I have ever attended, PATA Days 2017 (Paleoseismology, Active Tectonics, and Archeoseismology). This conference was held in Blenheim, New Zealand and was planned to commemorate the 300 year anniversary … Continue reading →

Posted in earthquake, education, Extension, geology, pacific, plate tectonics, subduction, 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