Great earthquake
M8.1 Earthquake — 1919 Tonga Earthquake
1919-04-30 07:17 UTC · -18.32°, -172.44°
A magnitude 8.1 (great) earthquake struck 1919 Tonga Earthquake on 1919-04-30 07:17 UTC, at a depth of 25 km. See it live on Earth Live's real-time 3D globe.
M8.1
Magnitude
25 km
Depth
21.3M 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 0 earthquakes of magnitude 2.5 or more within 300 km.
Strongest recorded within 300 km since 1900:
- M8.0 — 2006 Tonga Earthquake · 2006-05-03
- M7.8 — 146 km ESE of Hihifo, Tonga · 1975-12-26
- M7.8 — 111 km SSE of Pangai, Tonga · 1913-06-26
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