Recent USGS Significant Earthquakes- M 5.8 - 11km SE of Lincoln, Montana 2017/07/23
- M 6.7 - 10km SSE of Bodrum, Turkey 2017/07/22
- M 4.2 - 12km N of Stroud, Oklahoma 2017/07/21
- M 6.6 - 204km NW of Auckland Island, New Zealand 2017/07/21
- M 7.7 - 198km ESE of Nikol'skoye, Russia 2017/07/20
- M 6.4 - 98km WNW of Camana, Peru 2017/07/19
- M 6.5 - 3km NNE of Masarayao, Philippines 2017/07/16
- M 6.0 - 35km NNW of Bahia de Caraquez, Ecuador 2017/07/16
- M 6.4 - 38km SSE of Taron, Papua New Guinea 2017/07/13
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- Cascadia GeoSciences 2012/05/23
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- Last Night on the R/V Tangaroa 2016/11/21
- Sunset 2016/11/19
- Earthquake Response Cores 2016/11/18
Category Archives: alaska
Earthquake Report: Bering fracture zone: UPDATE #1
Well, based upon a comment on twitter, I thought it prudent to review the seismicity of this region at the westernmost part of the western Aleutian Islands. For many years I considered this region part of the subduction zone that … Continue reading
Posted in alaska, earthquake, education, pacific, plate tectonics, strike-slip, subduction, Transform
Earthquake Report: Western Aleutians
We just had an earthquake along the western Aleutian Islands, very close to the international date line. In this region places often have more than two names, depending upon who drew the map. The majority of the Aleutian Islands are … Continue reading
Posted in alaska, earthquake, education, pacific, plate tectonics, strike-slip, subduction
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
Earthquake Report: Aleutian Trench
Well, well, well. What have we here. We have some earthquakes that are related to each other and some earthquakes that are not. Less than 2 weeks ago there initiated a sequence of earthquakes along a fault splaying off of … Continue reading
Posted in alaska, earthquake, Extension, geology, plate tectonics, strike-slip, subduction
Earthquake Report: Kamchatka!
This earthquake happened last night as I was preparing course materials for this morning. Initially it was a magnitude 6.9, but later modified to be M 6.9. This earthquake happened in an interesting region of the world where there is … Continue reading
Posted in alaska, earthquake, education, geology, HSU, pacific, plate tectonics, subduction
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
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: Bering-Kresla Shear Zone (Russia, west of Aleutians)
If there is an earthquake and nobody is there to feel it, did it shake? Here is the USGS website for the M 6.3 earthquake that occurred in the far western Aleutians, so far west, it is called Russia. Below … Continue reading
Posted in alaska, asia, earthquake, education, geology, HSU, plate tectonics, strike-slip, subduction, Transform
Earthquake Report: Kamchatka!
A couple weeks ago, there was an earthquake with a magnitude of M 6.4 and today there was an earthquake with a magnitude of M 5.7. I had not put together a report for the M 6.4, so this report … Continue reading
Posted in alaska, asia, College Redwoods, earthquake, education, geology, HSU, plate tectonics, subduction
Earthquake Report: Alaska Peninsula!
Last night we had a shallow crustal earthquake along the Alaska Peninsula. Here is the USGS website for this M = 6.2 earthquake. Below is my interpretive map where I use Google Earth and the kml (keyhole markup language) files … Continue reading
Posted in alaska, College Redwoods, earthquake, education, geology, HSU, pacific, plate tectonics