M4.2 earthquake 178 km SW of Haveluloto, Tonga
A magnitude 4.2 earthquake struck 178 km SW of Haveluloto, Tonga on Fri, Sep 25, 2020, 2:42 PM GMT+13 (01:42 UTC), 184 km (115 mi) below the surface.
A larger quake followed: M4.7 135 km WSW of Haveluloto, Tonga. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.2 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2020-09-25 01:42:53 UTC
- Depth
- 184.5 km (114.6 mi), intermediate-depth
- Epicenter
- 22.075° S, 176.626° 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 8.4 km horizontally, 7.3 km in depth
- Magnitude uncertainty
- ±0.15
- Depth from
- From location
- Station coverage gap
- 120°
- Stations used
- 24
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 4 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.1222 km SW of Haveluloto, Tonga · 2191 days ago · 165 km deep · 45 km away
- 4.3242 km WSW of Haveluloto, Tonga · 2191 days ago · 224 km deep · 64 km away
- 4.7135 km WSW of Haveluloto, Tonga · 2184 days ago · 89 km deep · 47 km away
- 4.1196 km SW of Haveluloto, Tonga · 2152 days ago · 224 km deep · 21 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000c36n. Read Sun, Oct 4, 2026, 11:30 PM UTC.