M4.9 earthquake Tonga
A magnitude 4.9 earthquake struck in Tonga on Wed, Oct 26, 2022, 9:39 AM GMT+13 (20:39 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M5.2 Samoa Islands region. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.9 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2022-10-25 20:39:02 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 16.895° S, 173.400° 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.
- Location uncertainty
- About 9.4 km horizontally, 1.9 km in depth
- Magnitude uncertainty
- ±0.10
- Depth from
- Operator assigned
- Station coverage gap
- 124°
- Stations used
- 40
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.9 and up: 10 in the 60 days after this one and 3 in the 30 days before it.
After
- 5.2Samoa Islands region · 1432 days ago · 10 km deep · 60 km away
- 4.6122 km SE of Hihifo, Tonga · 1428 days ago · 10 km deep · 49 km away
- 4.8102 km SE of Hihifo, Tonga · 1426 days ago · 10 km deep · 33 km away
- 4.556 km SE of Hihifo, Tonga · 1426 days ago · 48 km deep · 61 km away
- 4.541 km S of Hihifo, Tonga · 1424 days ago · 61 km deep · 76 km away
- 4.775 km SSE of Hihifo, Tonga · 1406 days ago · 41 km deep · 37 km away
- 5.0Tonga · 1405 days ago · 37 km deep · 11 km away
- 4.876 km SSE of Hihifo, Tonga · 1401 days ago · 71 km deep · 37 km away
- 4.569 km SSE of Hihifo, Tonga · 1399 days ago · 19 km deep · 45 km away
- 4.6150 km SSE of Hihifo, Tonga · 1394 days ago · 25 km deep · 38 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000ikc5. Read Fri, Oct 2, 2026, 5:48 AM UTC.