And what action should people take? The advisory is a precautionary measure to prepare for a possible mega-quake around the Nankai Trough, which runs along Japan's Pacific coast. The agency says ...

At least 1.45 million vacant wooden homes are located in areas vulnerable to severe shaking in long-expected mega-earthquakes ... during a Nankai Trough quake or Tokyo inland earthquake.

The 10-mile deep quake hit about 6.2 miles from Orcas, according to the USGS. More than 6,800 people from as far away as Portland, Oregon, and Issaquah reported feeling the tremor to the agency.

It concerns what is known as a subduction megathrust quake along the Nankai Trough, an 800-kilometre (500-mile) undersea gully running parallel to Japan's Pacific coast. The trench is where the ...

Sitting in Seismic Zone IV, Delhi is at high risk for earthquakes, with multiple local fault lines increasing the danger. 'A new eye on the Sun': NASA's PUNCH to track solar storms in stunning 3D ...

13 earthquake could lead to seismic activity in the Nankai Trough. The quake had a preliminary estimated magnitude of 6.9, but upon closer look, the JMA revised it down to 6.7. That level falls ...

Hours after reporting an earthquake under the Salton Sea, the United States Geological Survey said Friday the report had been an error and no quake happened. The ...