Earthquakes and seismic activity often happen with sudden movements underground with tectonic plates. Seismographs are used by scientists to measure the time, location and strength of an earthquake.

This article delves into the intricacies of earthquakes, their aftershocks, and the importance of understanding their impacts. The Magnitude of Earthquakes: What Does It Mean? When we discuss ...

For each whole number increase in magnitude, the seismic energy released increases by about 32 times. That means a magnitude 7 earthquake produces 32 times more energy — or is 32 times stronger — than ...

About 55 earthquakes a day – 20,000 a year – are recorded by the National Earthquake Information Center. Most are tiny and barely noticed by people living where they happen. But some are strong enough ...

Okayama Prefecture is not new to seismic activity. Historical records indicate that the region has experienced various earthquakes, some with severe consequences. For instance, the Great Hanshin ...