M4.2 earthquake 193 km WNW of Hihifo, Tonga
A magnitude 4.2 earthquake struck 193 km WNW of Hihifo, Tonga on Fri, May 22, 2020, 7:13 PM GMT-12 (07:13 UTC), 295 km (183 mi) below the surface.
A larger quake followed: M4.9 177 km SE of Mata-Utu, Wallis and Futuna. 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), light
- Local time
- UTC
- 2020-05-23 07:13:21 UTC
- Depth
- 295.1 km (183.4 mi), intermediate-depth
- Epicenter
- 15.085° S, 175.363° 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 12.3 km horizontally, 11.6 km in depth
- Magnitude uncertainty
- ±0.17
- Depth from
- From location
- Station coverage gap
- 118°
- Stations used
- 14
Nearby
Within 100 km, magnitude 1.5 and up: 5 in the 60 days after this one and 0 in the 30 days before it.
After
- 4.9177 km SE of Mata-Utu, Wallis and Futuna · 2310 days ago · 10 km deep · 87 km away
- 4.9116 km NW of Hihifo, Tonga · 2264 days ago · 10 km deep · 93 km away
- 4.6134 km NW of Hihifo, Tonga · 2264 days ago · 10 km deep · 82 km away
- 4.8165 km WNW of Hihifo, Tonga · 2263 days ago · 10 km deep · 38 km away
- 4.8124 km NW of Hihifo, Tonga · 2263 days ago · 10 km deep · 79 km away
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000a1ul. Read Wed, Sep 30, 2026, 9:21 PM UTC.