M4.9 earthquake 72 km ESE of ‘Ohonua, Tonga
A magnitude 4.9 earthquake struck 72 km ESE of ‘Ohonua, Tonga on Fri, Nov 1, 1974, 4:36 PM GMT+13 (03:36 UTC), 33 km (21 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.9 (Ms, surface-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1974-11-01 03:36:19 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 21.587° S, 174.308° 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
- 23
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.9 and up: 1 in the 60 days after this one and 1 in the 30 days before it.
After
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00008mt. Read Fri, Oct 2, 2026, 8:07 PM UTC.