That scale is based on the intensity of the quake, or how you or a building would experience it, Alexandra Hatem, a research geologist at the USGS who worked on the U.S. National Seismic Hazard ...

According to CBS, the reason is that the Earth's crust over this region is much older, colder, and more healed versus out ...

Seismic Intensity (a.k.a. shindo) measures the degree of shaking at a certain point on the earth's surface as a number. The bigger the number, the bigger the tremor. This scale is used only in ...

Nearly 2,200 earthquakes strong enough to be felt by humans have recently struck around a southwestern Japanese island chain.

Five residents evacuated the island on July 9. Islanders who wished to evacuate, started doing so on July 4. 59 residents ...

The temblor occurred at 7.57 p.m. local time, measuring lower 5 on the Japanese seismic intensity scale of 7, said the Japan Meteorological Agency (JMA).

TOKYO -- When an earthquake measuring a lower 5 or stronger on the 7-point Japanese seismic intensity scale is predicted, public broadcaster NHK airs an emergency earthquake alert chime on TV and ...

More than 1,700 earthquakes strong enough to be felt by humans have struck the Tokara island chain in Kagoshima Prefecture, southwestern Japan.