M5.7 earthquake 4 km NW of Hihifo, Tonga
A magnitude 5.7 earthquake struck 4 km NW of Hihifo, Tonga on Sun, Aug 2, 1970, 1:33 PM GMT-11 (00:33 UTC), 90 km (56 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.7 (mw), moderate
- Local time
- UTC
- 1970-08-03 00:33:52 UTC
- Depth
- 90.0 km (55.9 mi), intermediate-depth
- Epicenter
- 15.922° S, 173.823° 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
- ±0.26
- Depth from
- From location
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.7 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 iscgem792513. Read Wed, Sep 30, 2026, 3:31 AM UTC.