USGS week of quakes: 112 M4.5+, 2 M6.0+
USGS recorded 112 earthquakes of magnitude 4.5 or above worldwide in the last 7 days. 2 were M6.0 or stronger. Top 3 by magnitude: M6.3 84 km SSW of Nikolski, Alaska; M6.2 South Sandwich Islands region; M5.9 southern East Pacific Rise. Source: earthquake.usgs.gov. Reference: one
USGS recorded 112 earthquakes of magnitude 4.5 or above worldwide in the last 7 days. 2 were M6.0 or stronger. Top 3 by magnitude: M6.3 84 km SSW of Nikolski, Alaska; M6.2 South Sandwich Islands region; M5.9 southern East Pacific Rise. Source: earthquake.usgs.gov. Reference: one whole magnitude is roughly 32 times more energy released. M6.0 releases about 32x the energy of M5.0; M7.0 about 1000x. Source: USGS moment-magnitude scale.
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