Category Archives: strike-slip

Earthquake Report: Philippines

I put these together earlier this week for me classes and finally have a moment to write about these earthquakes. The Philippines region has been quite active lately, as it frequently is. I show below a series of earthquakes from … Continue reading

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

Earthquake Report: Banda Sea

Earlier this week there was a moderate earthquake along a strike-slip fault that appears to adjoin the Banda/Timor/Java Arc with New Guinea. This strike-slip fault appears to cross oblique to the subduction zone that forms the Timor Trench to the … Continue reading

Posted in asia, australia, earthquake, education, geology, HSU, Indonesia, pacific, plate tectonics, strike-slip, subduction

Earthquake Report: Alaska

We had an earthquake a few days ago along the Cook Strait west of Anchorage, Alaska. This earthquake happened nearby a couple earthquakes from the past 2 years that have similar senses of motion along faults that seem to be … Continue reading

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

Earthquake Report: Explorer plate!

In the past 2 days there have been a few earthquakes in the Explorer plate region along the Pacific-North America plate boundary. On March 19 of this year there was a series of earthquakes in this same region (to the … Continue reading

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

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

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

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

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

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

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