M5.0 earthquake 87 km SE of Pangai, Tonga
A magnitude 5.0 earthquake struck 87 km SE of Pangai, Tonga on Wed, Apr 2, 1980, 4:45 AM GMT+13 (15:45 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M5.5 50 km SE of Pangai, Tonga. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.0 (mb), moderate
- Local time
- UTC
- 1980-04-01 15:45:52 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 20.475° S, 173.887° W
- Region
- Tonga
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Depth from
- OPERATOR_ASSIGNED
- Stations used
- 32
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.0 and up: 4 in the 60 days after this one and 6 in the 30 days before it.
After
- 5.070 km ESE of Pangai, Tonga · 16977 days ago · 33 km deep · 40 km away
- 5.1129 km SE of Pangai, Tonga · 16961 days ago · 33 km deep · 51 km away
- 5.550 km SE of Pangai, Tonga · 16955 days ago · 33 km deep · 45 km away
- 5.292 km ESE of Pangai, Tonga · 16925 days ago · 36 km deep · 67 km away
Before
- 5.231 km SSE of Pangai, Tonga · 16982 days ago · 33 km deep · 57 km away
- 6.1125 km SE of Pangai, Tonga · 16982 days ago · 37 km deep · 39 km away
- 5.7119 km SSE of Pangai, Tonga · 16983 days ago · 34 km deep · 32 km away
- 5.2100 km SE of Pangai, Tonga · 16983 days ago · 33 km deep · 13 km away
- 6.2100 km SE of Pangai, Tonga · 16983 days ago · 33 km deep · 13 km away
- 4.966 km E of Pangai, Tonga · 16996 days ago · 33 km deep · 67 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00016d3. Read Tue, Sep 29, 2026, 10:24 AM UTC.