M4.0 earthquake 268 km WSW of Haveluloto, Tonga
A magnitude 4.0 earthquake struck 268 km WSW of Haveluloto, Tonga on Thu, Apr 30, 2015, 3:41 AM GMT+13 (14:41 UTC), 369 km (229 mi) below the surface.
A larger quake followed: M4.4 Fiji region. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.0 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2015-04-29 14:41:57 UTC
- Depth
- 368.9 km (229.2 mi), deep
- Epicenter
- 22.094° S, 177.598° 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 9.7 km horizontally, 9.8 km in depth
- Magnitude uncertainty
- ±0.16
- Depth from
- From location
- Station coverage gap
- 126°
- Stations used
- 19
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 3 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.0Fiji region · 4139 days ago · 395 km deep · 58 km away
- 4.4Fiji region · 4132 days ago · 534 km deep · 92 km away
- 4.0266 km SW of Vaini, Tonga · 4131 days ago · 223 km deep · 88 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us20002c9j. Read Mon, Oct 5, 2026, 12:58 AM UTC.