Here’s what earthquake magnitudes mean—and why an 8 can be so much scarier than a 6
0:37
latimes.comRong-Gong Lin II
Here’s what earthquake magnitudes mean—and why an 8 can be so much scarier than a 6
Scientists no longer rely on the the Richter scale to measure an earthquake's power. Here's how earthquakes are measured, and why a 7.1 quake is worse than you might imagine.
Sep 22, 2017
Earthquake Footage
Surveillance footage captured shaking across cities in northeast Japan late Monday night, Dec. 8, 2025, after a magnitude 7.6 earthquake struck offshore. Tsunami warnings were issued for Hokkaido, Aomori, and Iwate, with waves up to three metres (10 feet) possible along the coast. Authorities reported initial tsunamis of 40 cm (16 inches) at Aomori’s Mutsu Ogawara and Hokkaido’s Urakawa ports, urging residents to evacuate as a precaution. Courtesy: NNN / Japan via Reuters | GMA News
3:48
Surveillance footage captured shaking across cities in northeast Japan late Monday night, Dec. 8, 2025, after a magnitude 7.6 earthquake struck offshore. Tsunami warnings were issued for Hokkaido, Aomori, and Iwate, with waves up to three metres (10 feet) possible along the coast. Authorities reported initial tsunamis of 40 cm (16 inches) at Aomori’s Mutsu Ogawara and Hokkaido’s Urakawa ports, urging residents to evacuate as a precaution. Courtesy: NNN / Japan via Reuters | GMA News
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