M4.6 earthquake 140 km N of Neiafu, Tonga
A magnitude 4.6 earthquake struck 140 km N of Neiafu, Tonga on Sun, Apr 26, 2015, 8:23 AM GMT-12 (20:23 UTC), 92 km (57 mi) below the surface.
A larger quake followed: M4.7 112 km S 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
- 4.6 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2015-04-26 20:23:06 UTC
- Depth
- 91.7 km (57.0 mi), intermediate-depth
- Epicenter
- 17.396° S, 174.213° 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 10.2 km horizontally, 8.0 km in depth
- Magnitude uncertainty
- ±0.12
- Depth from
- From location
- Station coverage gap
- 73°
- Stations used
- 34
Nearby
Within 100 km, magnitude 1.6 and up: 4 in the 60 days after this one and 5 in the 30 days before it.
After
- 4.3115 km SW of Hihifo, Tonga · 4166 days ago · 309 km deep · 96 km away
- 4.2102 km SSW of Hihifo, Tonga · 4140 days ago · 83 km deep · 65 km away
- 4.0146 km NNE of Neiafu, Tonga · 4132 days ago · 43 km deep · 82 km away
- 4.7112 km S of Hihifo, Tonga · 4122 days ago · 43 km deep · 72 km away
Before
- 4.5Tonga · 4183 days ago · 38 km deep · 57 km away
- 4.5143 km SSW of Hihifo, Tonga · 4183 days ago · 277 km deep · 45 km away
- 4.6104 km SSE of Hihifo, Tonga · 4184 days ago · 89 km deep · 92 km away
- 4.689 km S of Hihifo, Tonga · 4186 days ago · 10 km deep · 93 km away
- 4.6113 km N of Neiafu, Tonga · 4202 days ago · 82 km deep · 29 km away
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us20002btd. Read Mon, Oct 5, 2026, 7:38 AM UTC.