M8.1 earthquake 1919 Tonga Earthquake
A magnitude 8.1 earthquake struck 1919 Tonga Earthquake on Tue, Apr 29, 1919, 8:17 PM GMT-11 (07:17 UTC), 25 km (16 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 8.1 (mw), great
- Local time
- UTC
- 1919-04-30 07:17:16 UTC
- Depth
- 25.0 km (15.5 mi), shallow
- Epicenter
- 18.322° S, 172.442° 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
- ±0.30
- Depth from
- From location
Nearby
Within 100 km, magnitude 2.5 and up: 0 in the 60 days after this one and 0 in the 30 days before it.
None recorded.
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem912773. Read Tue, Sep 22, 2026, 3:53 AM UTC.