World Map › Major Earthquakes Since 1900 › 1977
Historic Earthquake
1977 Tonga Earthquake
22 June 1977 · Tonga
On 22 June 1977 at 12:08 UTC, a magnitude 7.2 earthquake struck Tonga, at a depth of 65 km. It occurred on the Tonga Plate, 88 km from its boundary with the Australian Plate (mid-ocean ridge). It killed at least 1 person and injured 5.
- Date
- 22 June 1977
- Time
- 12:08 UTC
- Magnitude
- 7.2
- Depth
- 65 km
- Maximum Intensity
- IV (Mercalli)
- Deaths
- 1
- Injuries
- 5
- Estimated Damage
- 1 million US dollars
- Tsunami
- See the tsunami (0.4 m wave)
- Plate
- Tonga Plate
- Country
- Tonga
- Nearest Volcano
- Tofua Arc at 21.3°S (173 km)
Nearby Major Earthquakes
Other major earthquakes recorded within 300 km.
- 20092009 Tonga Earthquake · M 7.6
- 19971997 Fiji-Tonga Earthquake · M 7.7
- 1982Tonga · M 7.7
- 1975S of Tonga · M 7.8
- 1963Tonga · M 7.5
- 1948Tonga · M 7.9
- 1937Fiji · M 8.1
Sources: NOAA National Centers for Environmental Information, Global Significant Earthquake Database (doi:10.7289/V5TD9V7K) · Wikidata · Bird (2003), PB2002 · Natural Earth