Major earthquake
M7.2 Earthquake — South Sandwich Islands region
1991-12-27 04:05 UTC · -56.03°, -25.27°
A magnitude 7.2 (major) earthquake struck South Sandwich Islands region on 1991-12-27 04:05 UTC, at a depth of 10 km. See it live on Earth Live's real-time 3D globe.
M7.2
Magnitude
10 km
Depth
951.5K t
TNT equivalent
Source: USGS event page. The TNT equivalent is computed from the magnitude with the standard Gutenberg–Richter energy relation; all other figures are USGS's own.
This area's earthquake history
In the year before this quake, USGS recorded 28 earthquakes of magnitude 2.5 or more within 300 km.
Strongest recorded within 300 km since 1900:
- M8.1 — 2021 South Sandwich Islands Earthquake · 2021-08-12
- M8.1 — 1929 South Sandwich Islands Earthquake · 1929-06-27
- M7.8 — South Sandwich Islands region · 1964-05-26
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