M7.0 earthquake 254 km WNW of Houma, Tonga
A magnitude 7.0 earthquake struck 254 km WNW of Houma, Tonga on Thu, Apr 21, 1910, 10:41 AM GMT+12:19:12 (22:22 UTC), 350 km (217 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 7.0 (mb, body-wave), major
- Magnitude from
- ISCGEMSUP
- Local time
- UTC
- 1910-04-20 22:22:02 UTC
- Depth
- 350.0 km (217.5 mi), deep
- Epicenter
- 20.251° S, 177.544° 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
- From location
References for the magnitude and location
The USGS’s notes on how this earthquake’s official magnitude and location were set.
Official Magnitude added to catalog 04-Aug-2025
Reference:
Abe, K. (1981),
Magnitudes of large shallow earthquakes from 1904 to 1980,
Physics of the Earth and Planetary Interiors, v. 27, p. 72-92.
[also has a table of intermediate and deep earthquakes]
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 4.0 and up: 0 in the 60 days after this one and 0 in the 30 days before it.
None recorded.
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgemsup16958080. Read Mon, Oct 5, 2026, 6:16 AM UTC.