M4.8 earthquake 112 km W of Hihifo, Tonga
A magnitude 4.8 earthquake struck 112 km W of Hihifo, Tonga on Sat, May 21, 2022, 10:40 AM GMT-12 (22:40 UTC), 280 km (174 mi) below the surface.
A larger quake followed: M5.0 130 km W 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
- 4.8 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2022-05-21 22:40:39 UTC
- Depth
- 279.9 km (173.9 mi), intermediate-depth
- Epicenter
- 16.145° S, 174.831° 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 9.8 km horizontally, 5.8 km in depth
- Magnitude uncertainty
- ±0.05
- Depth from
- From location
- Station coverage gap
- 51°
- Stations used
- 123
Nearby
Within 100 km, magnitude 1.8 and up: 5 in the 60 days after this one and 4 in the 30 days before it.
After
- 5.0130 km W of Hihifo, Tonga · 1592 days ago · 10 km deep · 47 km away
- 4.292 km WNW of Hihifo, Tonga · 1592 days ago · 10 km deep · 55 km away
- 4.2123 km NW of Hihifo, Tonga · 1584 days ago · 254 km deep · 98 km away
- 4.1121 km W of Hihifo, Tonga · 1581 days ago · 275 km deep · 12 km away
- 4.2151 km SW of Hihifo, Tonga · 1546 days ago · 299 km deep · 83 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000hmzm. Read Thu, Oct 1, 2026, 10:05 PM UTC.