Why Did Montana Experience a Powerful Earthquake Last Night?

But it also rumbled in the Philippines. Come to think of it, it rumbled in Vanuatu and Japan too. The Earth rumbles a lot. Folks were especially surprised by the earthquake that registered a 5.8 on the Richter scale in Montana. Why? Well, we’re America ... ( read original story ...)

Strong earthquake injures 2, knocks off roof tiles in Japan

A strong earthquake shook residents Sunday in a mountainous region of central Japan, injuring at least two people and knocking roof tiles off homes. The magnitude 5.6 quake struck about 7 a.m. at a shallow depth of 7 kilometers (4 miles) in Nagano ... ( read original story ...)

Budget cuts threaten rollout of earthquake early warning system

Now, those plans, and the lives it could save, could be in jeopardy. In an earthquake zone every second counts. Early warning systems are already operational in Mexico and Japan. Prior to a massive 9.0 quake in 2011 people in Tokyo got a quake warning of ... ( read original story ...)

Japan’s earthquakes and tectonic setting

Japan has more measurable earthquakes than any other country and has over 100 active volcanoes. These both result from Japan being wedged among four major tectonic plates. The tectonics are complicated, but in this animation, IRIS attempted to look at the ... ( read original story ...)

Japan trains Filipino engineers on earthquake response

The Philippines and Japan once again are teaming up in an effort to teach earthquake emergency quick response to Filipino engineers. A total of 80 Filipino engineers will be joining the training program which is set to commence this week. The program ... ( read original story ...)

5.2-magnitude quake strikes SW Japan; no tsunanmi warning

A 5.2-magnitude earthquake struck off the coast of southwestern Japan late today but there was no tsunami warning, Japanese and US authorities said. The quake was at a depth of 51 kilometres about 15 kilometres south east of the town of Saiki, at 11:27 ... ( read original story ...)

Southern Japan hit by 5.0 magnitude quake, no tsunami

TOKYO An earthquake with a preliminary magnitude of 5.0 hit southern Japan late on Tuesday but was not likely to cause a tsunami, Japan Meteorological Agency said. The 11:31 p.m. (10.31 a.m. ET) quake was centered in the Bungo strait connecting the ... ( read original story ...)

Slow earthquakes could reveal how tsunamis start

The researchers found a series of slow slip events on the plate interface seaward of recurring magnitude 8 earthquake areas east of Japan. These slow earthquakes lasted days to weeks, some triggered by other unconnected earthquakes in the area and some ... ( read original story ...)

Japan court clears way for nuclear reactor restarts

Dozens more in the country still remain offline. Japan shut down all of its atomic reactors after a powerful earthquake in March 2011 spawned a huge tsunami that led to meltdowns at the Fukushima nuclear plant. It was the world's worst nuclear accident ... ( read original story ...)

Light earthquake, 4.7 mag strikes near Miyako in Japan

A light earthquake magnitude 4.7 (ml/mb) has struck on Saturday, 88 kilometers (55 miles) from Miyako in Japan. Exact location of earthquake, longitude 142.6373 East, latitude 40.2374 North, depth = 14.54 km. Event id: us20009llz. Ids that are associated ... ( read original story ...)

New evidence reveals source of 1586 Sanriku, Japan tsunami

A team of researchers re-examined historical evidence around the Pacific and discovered the origin of the tsunami that hit Sanriku, Japan in 1586 -- a mega-earthquake from the Aleutian Islands that broadly impacted the north Pacific. Until now, this was ... ( read original story ...)