M5.8 earthquake 29 km NE of Pangai, Tonga
A magnitude 5.8 earthquake struck 29 km NE of Pangai, Tonga on Sun, Jul 21, 1957, 3:58 AM GMT+12:20 (15:38 UTC), 50 km (31 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.8 (mw), moderate
- Local time
- UTC
- 1957-07-20 15:38:57 UTC
- Depth
- 50.0 km (31.1 mi), shallow
- Epicenter
- 19.620° S, 174.158° 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.
- Magnitude uncertainty
- ±0.67
- Depth from
- From location
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.5 and up: 0 in the 60 days after this one and 1 in the 30 days before it.
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem886880. Read Tue, Sep 22, 2026, 4:01 PM UTC.