M4.5 earthquake 46 km W of Neiafu, Tonga
A magnitude 4.5 earthquake struck 46 km W of Neiafu, Tonga on Fri, May 15, 2015, 8:48 PM GMT+13 (07:48 UTC), 85 km (53 mi) below the surface.
A larger quake followed: M4.6 81 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
- 4.5 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2015-05-15 07:48:10 UTC
- Depth
- 84.6 km (52.6 mi), intermediate-depth
- Epicenter
- 18.721° S, 174.418° 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 13.5 km horizontally, 8.5 km in depth
- Magnitude uncertainty
- ±0.16
- Depth from
- From location
- Station coverage gap
- 85°
- Stations used
- 22
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 3 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 us10002c6m. Read Mon, Oct 5, 2026, 7:39 AM UTC.