Great earthquake
M8.1 Earthquake — 1971 Bougainville Earthquake
1971-07-26 01:23 UTC · -4.87°, 153.18°
A magnitude 8.1 (great) earthquake struck 1971 Bougainville Earthquake on 1971-07-26 01:23 UTC, at a depth of 52 km. See it live on Earth Live's real-time 3D globe.
M8.1
Magnitude
52 km
Depth
21.3M t
TNT equivalent
VII
Max intensity (MMI)
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 34 earthquakes of magnitude 2.5 or more within 300 km.
Strongest recorded within 300 km since 1900:
- M8.2 — 1919 Papua New Guinea Earthquake · 1919-05-06
- M8.0 — 1971 New Britain Earthquake · 1971-07-14
- M8.0 — 2000 New Ireland Earthquake · 2000-11-16
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