M4.6 earthquake 131 km NNE of Neiafu, Tonga
A magnitude 4.6 earthquake struck 131 km NNE of Neiafu, Tonga on Sun, Apr 30, 2017, 2:48 PM GMT-12 (02:48 UTC), 40 km (25 mi) below the surface.
A larger quake followed: M5.3 132 km SSE 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
- 2017-05-01 02:48:33 UTC
- Depth
- 39.6 km (24.6 mi), shallow
- Epicenter
- 17.633° S, 173.347° 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 7.4 km horizontally, 7.5 km in depth
- Magnitude uncertainty
- ±0.16
- Depth from
- From location
- Station coverage gap
- 73°
- Stations used
- 20
Nearby
Within 100 km, magnitude 1.6 and up: 5 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.6137 km NNE of Neiafu, Tonga · 3442 days ago · 11 km deep · 39 km away
- 4.993 km SSE of Hihifo, Tonga · 3429 days ago · 22 km deep · 98 km away
- 5.3132 km SSE of Hihifo, Tonga · 3422 days ago · 10 km deep · 59 km away
- 4.5114 km SSE of Hihifo, Tonga · 3403 days ago · 23 km deep · 85 km away
- 4.9109 km SSE of Hihifo, Tonga · 3391 days ago · 138 km deep · 83 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us10008pt7. Read Sun, Oct 4, 2026, 8:18 AM UTC.