M4.2 earthquake 151 km SW of Hihifo, Tonga
A magnitude 4.2 earthquake struck 151 km SW of Hihifo, Tonga on Fri, Jul 8, 2022, 7:44 PM GMT-12 (07:44 UTC), 299 km (186 mi) below the surface.
A larger quake followed: M4.7 142 km NW of Neiafu, 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
- 2022-07-09 07:44:11 UTC
- Depth
- 299.3 km (186.0 mi), intermediate-depth
- Epicenter
- 16.895° S, 174.823° 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 11.2 km horizontally, 10.1 km in depth
- Magnitude uncertainty
- ±0.17
- Depth from
- From location
- Station coverage gap
- 183°, poorly surrounded by stations
- Stations used
- 14
Nearby
Within 100 km, magnitude 1.5 and up: 5 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.7142 km NW of Neiafu, Tonga · 1546 days ago · 240 km deep · 98 km away
- 4.5164 km NNW of Neiafu, Tonga · 1524 days ago · 229 km deep · 50 km away
- 4.4Tonga · 1513 days ago · 117 km deep · 46 km away
- 4.567 km WSW of Hihifo, Tonga · 1512 days ago · 170 km deep · 90 km away
- 4.5178 km NW of Neiafu, Tonga · 1491 days ago · 269 km deep · 58 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000i2t1. Read Fri, Oct 2, 2026, 7:28 AM UTC.