World Map › Major Earthquakes Since 1900 › 1971
Historic Earthquake
1971 Papua New Guinea Earthquake
25 September 1971 · Bismarck Sea · Papua New Guinea
On 25 September 1971 at 04:36 UTC, a magnitude 7.0 earthquake struck Papua New Guinea (Bismarck Sea), at a depth of 115 km. It occurred on the South Bismarck Plate, 11 km from its boundary with the Woodlark Plate (continental collision). It triggered a tsunami.
- Date
- 25 September 1971
- Time
- 04:36 UTC
- Magnitude
- 7.0
- Depth
- 115 km
- Maximum Intensity
- VII (Mercalli)
- Tsunami
- Yes
- Plate
- South Bismarck Plate
- Country
- Papua New Guinea
- Nearest Volcano
- Long Island (143 km)
Nearby Major Earthquakes
Other major earthquakes recorded within 300 km.
- 20222022 Papua New Guinea Earthquake · M 7.621 deaths
- 1987New Britain, Kandrian · M 7.7
- 1987Huon Peninsula, Umboi Island · M 7.63 deaths
- 19701970 New Guinea Earthquake · M 7.318 deaths
- 1951Papua New Guinea · M 7.2
- 1947New Britain · M 7.3
- 1938Papua New Guinea · M 7.5
- 1906New Britain · M 8.0
Sources: NOAA National Centers for Environmental Information, Global Significant Earthquake Database (doi:10.7289/V5TD9V7K) · Wikidata · Bird (2003), PB2002 · Natural Earth