Category Archives: asia

Earthquake Report: Sulawesi, Indonesia

There was a series of earthquakes in Sulawesi, Indonesia earlier today, with a mainshock having a magnitude of M 6.8. This series of earthquakes is interesting as it does not occur on the main plate boundary fault, but on upper … Continue reading

Posted in asia, earthquake, education, Extension, Indonesia, plate tectonics

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: 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: Japan!

While I was returning from my research cruise offshore of New Zealand, there was an earthquake offshore of Japan in the region of the 2011.01.11 M 9.0 Tohoku-Oki Earthquake. Japan is one of the most seismically active regions on Earth. … Continue reading

Posted in asia, earthquake, education, Extension, geology, HSU, Japan, plate tectonics, tsunami

Earthquake Report: Japan!

There was an earthquake in Japan tonight (tomorrow morning there). Here is the USGS website for this M 6.2 earthquake. The earthquake was shallow and widely felt with moderate intensity, so some casualties are expected. In the map below I … Continue reading

Posted in asia, earthquake, education, geology, HSU, Japan, pacific, plate tectonics

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: 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: Japan!

There continue to be earthquakes probably related to the 2011.03.11 Tohoku-Oki M 9.0 earthquake (the 4th largest earthquake recorded on modern seismologic instruments). Here are two excellent summary Earthquake Report pages associated with this region: The original Earthquake Report for … Continue reading

Posted in asia, earthquake, education, geology, HSU, Japan, plate tectonics, subduction