Category Archives: Transform

2017/06/18
3:45 PM
by: Jay Patton

Earthquake Report: Westernmost Aleutian Arc

This earthquake happened a couple weeks ago, but was interesting and I have been looking forward to following up on this with a report. Here is the USGS website for this M 6.8 earthquake. The M 6.8 earthquake happened in … Continue reading →

Posted in alaska, earthquake, education, geology, pacific, plate tectonics, strike-slip, subduction, Transform

2017/03/24
5:49 PM
by: Jay Patton

Earthquake Report: Sumatra!

There were two interesting earthquakes near the northern tip of the Island of Sumatra whilst I was off on a field trip with some HSU geology students. So, I think it prudent to review these earthquakes now. These earthquakes happened … Continue reading →

Posted in earthquake, sumatra, Transform

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

2017/01/01
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

2016/12/08
10:53 AM
by: Jay Patton

Earthquake Report: Mendocino fault Update #1

Today is one of my busiest days of the semester. I am administering a final and my two classes are presenting their video projects. Then, we had this M 6.5 earthquake in the wee hours and a M 7.7 (prelim … Continue reading →

Posted in cascadia, earthquake, education, geology, HSU, humboldt, pacific, plate tectonics, strike-slip, Transform

2016/12/08
8:37 AM
by: Jay Patton

Earthquake Report: Mendocino fault!

I was awake and just logging into my laptop, still in bed, when I first felt some movement. The movement was slight and not impulsive, so I thought it was a small earthquake. Then the shaking reappeared. This is when … Continue reading →

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

2016/12/05
3:18 PM
by: Jay Patton

Earthquake Report: Petrolia (CA)

This morning there was a good shaker that was widely felt across the region. I did not feel it. I was probably driving at the time, or grading papers, which can have the same sense-deadening effect. Here is the USGS … Continue reading →

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

2016/11/26
9:35 PM
by: Jay Patton

Earthquake Report: New Zealand Post # 01

This is the first of several posts about a complex earthquake series that happened along the northern end of the South Island in New Zealand. I was at sea on the R/V Tangaroa collecting piston cores offshore along the Hikurangi … Continue reading →

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

2016/11/06
10:38 AM
by: Jay Patton

Earthquake Report: Laytonville (northern CA)!

This morning there was another earthquake in northern CA between the San Andreas (SAF) and Maacama faults (MF). This region has been active for the past few years, with earthquakes in the M 3-4 range. Most recently, there was a … Continue reading →

Posted in earthquake, education, geology, HSU, humboldt, mendocino, mendocino, pacific, plate tectonics, San Andreas, strike-slip, Transform

2016/11/03
7:47 AM
by: Jay Patton

Earthquake Report: Laytonville, CA

Last night we had an earthquake between the Maacama faults and the San Andreas fault. This region has experienced several earthquakes recently, which makes me think that there may be an unmapped fault there (there is no hydrothermal or oil … Continue reading →

Posted in earthquake, education, geology, HSU, mendocino, pacific, plate tectonics, San Andreas, strike-slip, Transform