World Map › Major Earthquakes Since 1900 › 1987
Historic Earthquake
1987 Tonga Earthquake
6 October 1987 · Tonga
On 6 October 1987 at 04:19 UTC, a magnitude 7.3 earthquake struck Tonga, at a depth of 16 km. It occurred on the Pacific Plate, 37 km from its boundary with the Tonga Plate (subduction zone). It triggered a tsunami.
- Date
- 6 October 1987
- Time
- 04:19 UTC
- Magnitude
- 7.3
- Depth
- 16 km
- Tsunami
- Yes
- Plate
- Pacific Plate
- Country
- Tonga
Nearby Major Earthquakes
Other major earthquakes recorded within 300 km.
- 20092009 Samoa Earthquake · M 8.1192 deaths
- 1977Apia · M 7.6
- 1975Samoa · M 7.8
- 1957Samoa · M 7.5
- 1919Tonga · M 8.1
- 1917Samoa · M 8.32 deaths
- 1913Tonga · M 7.6
- 1902Tonga · M 7.8
Sources: NOAA National Centers for Environmental Information, Global Significant Earthquake Database (doi:10.7289/V5TD9V7K) · Wikidata · Bird (2003), PB2002 · Natural Earth