M4.6 earthquake 281 km WNW of Neiafu, Tonga
A magnitude 4.6 earthquake struck 281 km WNW of Neiafu, Tonga on Wed, Jul 20, 2022, 5:35 AM GMT-12 (17:35 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M5.0 280 km WNW 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
- 4.6 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2022-07-20 17:35:54 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 17.657° S, 176.432° 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 4.0 km horizontally, 1.8 km in depth
- Magnitude uncertainty
- ±0.10
- Depth from
- Operator assigned
- Station coverage gap
- 115°
- Stations used
- 53
Nearby
Within 100 km, magnitude 1.6 and up: 5 in the 60 days after this one and 0 in the 30 days before it.
After
- 4.4Fiji region · 1532 days ago · 364 km deep · 67 km away
- 4.3272 km WNW of Neiafu, Tonga · 1521 days ago · 314 km deep · 52 km away
- 4.6281 km WNW of Neiafu, Tonga · 1495 days ago · 10 km deep · 23 km away
- 4.7287 km WNW of Neiafu, Tonga · 1495 days ago · 10 km deep · 19 km away
- 5.0280 km WNW of Neiafu, Tonga · 1494 days ago · 10 km deep · 6 km away
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000hs61. Read Mon, Oct 5, 2026, 1:28 PM UTC.