Category Archives: asia

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: Philippines!

There was a deep focus earthquake in the Philippines today. This shaker was located near the city of Manila (I live in Manila. Manila, California). The hypocenter was quite deep (168 km) so (a) had lesser shaking due to the … Continue reading

Posted in asia, earthquake, education, geology, pacific, plate tectonics, subduction

Earthquake Report: China #2!

We had another earthquake in China today! This one along the northern Tian Shan Mountains, on the other side of the orogenic wedge from the earthquakes from earlier today. This M 6.3 earthquake is along a thrust fault, while the … Continue reading

Posted in asia, collision, earthquake, education, geology, plate tectonics, strike-slip

Earthquake Report: China!

This morning (my time) there was a shallow earthquake in western China, near a region that was shocked by an M 7.9 earthquake in 2008 (the “Wenchuan Earthquake”). Here is the USGS website for this M 6.5 earthquake. Below is … Continue reading

Posted in asia, earthquake, education, geology, plate tectonics, strike-slip, Transform

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