Earthquakes and seismic activity often happen with sudden ... is communicated with the Modified Mercalli (MM) Intensity Scale. Here's a summary of how they correlate: Under 5.0 magnitude: These ...

Most scales are based on the amplitude of seismic waves recorded on seismometers ... and the amount of damage that occurred, to estimate its intensity. The Mercalli scale was designed to do just that ...

The Japan Meteorological Agency has a unique seismic scale called shindo that measures ... At the seismic intensity of upper 5, people find it difficult to move and dishes could fall out from ...

An earthquake with a distant epicenter and a relatively modest seismic intensity could still cause such large and lengthy swaying in high-rise buildings that would topple people on the upper floors.

When an earthquake measuring a lower 5 or stronger on the 7-point Japanese seismic intensity scale is predicted, public broadcaster NHK airs ･･･ ...

An earthquake with a preliminary magnitude of 5.3 on Friday struck Japanese prefecture of Kanagawa, south of Tokyo, local weather agency said. The temblor occurred at 7.57 p.m. local time ...

A powerful earthquake with a maximum intensity of just under 6 on the Japanese seismic intensity scale of 7 struck in the Hyuganada Sea off Miyazaki Prefecture around 4:43 p.m. on Aug. 8 ...

April 26, 2025, marks the 125th birthday of Cincinnati native Charles Richter, the inventor of the Richter Scale. The seismologist, aka Earth scientist, invented the critical measurement tool to ...

As of the morning of May 21, the earthquake near New Britain was the only one in New England to occur in the past day, ...