Recent USGS Significant Earthquakes- M 6.1 - 28km WSW of Port-Vila, Vanuatu 2018/06/24
- M 5.5 - 2km NNW of Hirakata, Japan 2018/06/23
- M 4.7 - 13km ENE of Gonzalo, Dominican Republic 2018/06/21
- M 3.8 - 13km NNE of Thousand Palms, CA 2018/06/20
- M 5.6 - 5km SSW of Guanagazapa, Guatemala 2018/06/19
- M 4.4 - 25km E of Cherokee, Oklahoma 2018/06/19
- Paleoseismicity
- Trembling Earth
- Goldfinger
- Landslide Blog
- American Geophysical Union
- Cascadia GeoSciences
- Cascadia GeoSciences 2012/05/23
- Jay’s Research Cruise Blog
- Last Night on the R/V Tangaroa 2016/11/21
- Sunset 2016/11/19
- Earthquake Response Cores 2016/11/18
Category Archives: Indian Ocean
Earthquake Report: Madagascar!
Today there was an earthquake in a region that we don’t hear about that often. Madagascar is off the coast of southeastern Africa and the oceanic basin to the west is likely formed as part of the East Africa Rift … Continue reading
Posted in africa, earthquake, education, geology, Indian Ocean, plate tectonics, strike-slip
Earthquake Report: Burma!
There was an earthquake in Burma today! The epicenter plotted very close to the Sagaing fault (SF), a major dextral (right-lateral) strike-slip fault system, part of the plate boundary between the India and Eurasia plates. This fault system accommodates much … Continue reading
Posted in asia, collision, earthquake, education, geology, Indian Ocean, plate tectonics, strike-slip
Earthquake Report: Mentawai, Sumatra
We just had an earthquake in the Mentawai region of the Sunda subduction zone offshore of Sumatra. Here is the USGS website for this M 6.3 earthquake. Based upon the hypocentral depth and the current estimate of the location of … Continue reading
Posted in earthquake, education, geology, Indian Ocean, plate tectonics, subduction, sumatra
Earthquake Report: Bengkulu (Sumatra)!
Last night (my time) while I was tending to other business, there was an earthquake along the Sunda Megathrust. Here is the USGS website for this M 6.4 earthquake. This M 6.4 earthquake happened down-dip (“deeper than”) along the megathrust … Continue reading
Posted in asia, earthquake, education, geology, Indian Ocean, Indonesia, plate tectonics, subduction, sumatra
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
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
Earthquake Report: Java Sea!
Last night as I was finishing work for the day, I noticed an earthquake in the Java Sea, just north of western Java. Here is the USGS website for this M 6.6 earthquake. This earthquake is extensional and plots very … Continue reading
Posted in collision, earthquake, education, geology, HSU, Indian Ocean, Indonesia, plate tectonics, subduction, sumatra
Earthquake Report: Burma!
Well, there was an earthquake about 6 hours ago in Burma. This M 6.8 earthquake was rather deep, which is good for the residents of that area (the ground motions diminish with distance from the earthquake hypocenter). Here is the … Continue reading
Posted in asia, collision, education, geology, HSU, Indian Ocean, plate tectonics, sumatra
Earthquake Report: Sumatra!
We just had a M = 7.8 earthquake southwest of the Island of Sumatra, a volcanic arc formed from the subduction of the India-Australia plate beneath the Sunda plate (part of Eurasia). Here is the USGS website for this earthquake. … Continue reading
Posted in asia, College Redwoods, earthquake, education, geology, HSU, Indian Ocean, Indonesia, plate tectonics, strike-slip, subduction, sumatra, Transform
Earthquake Report: Antarctic plate!
We just had an interesting mid-plate earthquake (not along a plate boundary). Hat Tip to Jascha Polet, who pointed out this is in the region of the 1998 M 8.1 earthquake, one of the largest strike-slip and mid-plate earthquakes ever … Continue reading
Posted in College Redwoods, earthquake, education, geology, HSU, Indian Ocean, New Zealand, pacific, plate tectonics, strike-slip, Transform