M4.5 earthquake 177 km ESE of Hihifo, Tonga
A magnitude 4.5 earthquake struck 177 km ESE of Hihifo, Tonga on Mon, May 29, 2017, 2:56 PM GMT+13 (01:56 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M4.6 87 km E 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
- 4.5 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2017-05-29 01:56:52 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 16.274° S, 172.172° 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 9.4 km horizontally, 1.9 km in depth
- Magnitude uncertainty
- ±0.09
- Depth from
- Operator assigned
- Station coverage gap
- 123°
- Stations used
- 48
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 1 in the 60 days after this one and 2 in the 30 days before it.
After
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us20009j8t. Read Sat, Oct 3, 2026, 1:18 AM UTC.