M4.4 earthquake 60 km SSE of Hihifo, Tonga
A magnitude 4.4 earthquake struck 60 km SSE of Hihifo, Tonga on Sat, Oct 28, 2023, 8:20 PM GMT+13 (07:20 UTC), 35 km (22 mi) below the surface.
A larger quake followed: M5.0 91 km ESE of Hihifo, Tonga. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.4 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2023-10-28 07:20:53 UTC
- Depth
- 35.0 km (21.7 mi), shallow
- Epicenter
- 16.425° S, 173.515° 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 13.4 km horizontally, 1.9 km in depth
- Magnitude uncertainty
- ±0.20
- Depth from
- Operator assigned
- Station coverage gap
- 120°
- Stations used
- 13
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 2 in the 60 days after this one and 4 in the 30 days before it.
After
- 4.644 km W of Hihifo, Tonga · 1071 days ago · 146 km deep · 91 km away
- 5.091 km ESE of Hihifo, Tonga · 1020 days ago · 10 km deep · 58 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000l8c2. Read Sat, Oct 3, 2026, 10:43 AM UTC.