M4.7 earthquake 136 km SSW of Hihifo, Tonga
A magnitude 4.7 earthquake struck 136 km SSW of Hihifo, Tonga on Wed, Feb 1, 2017, 12:12 PM GMT-12 (00:12 UTC), 117 km (73 mi) below the surface.
A larger quake followed: M4.9 51 km SW 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
- 4.7 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2017-02-02 00:12:32 UTC
- Depth
- 117.1 km (72.8 mi), intermediate-depth
- Epicenter
- 17.131° S, 174.169° W
- Region
- Tonga
- Felt reports
- 1
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
1 person reported to the USGS what they felt; the strongest reported shaking was II, weak shaking.
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 10.2 km horizontally, 7.3 km in depth
- Magnitude uncertainty
- ±0.08
- Depth from
- From location
- Station coverage gap
- 64°
- Stations used
- 57
Nearby
Within 100 km, magnitude 1.7 and up: 9 in the 60 days after this one and 4 in the 30 days before it.
After
- 4.394 km SW of Hihifo, Tonga · 3517 days ago · 176 km deep · 65 km away
- 4.3113 km SSW of Hihifo, Tonga · 3516 days ago · 89 km deep · 27 km away
- 4.270 km SW of Hihifo, Tonga · 3516 days ago · 139 km deep · 76 km away
- 4.951 km SW of Hihifo, Tonga · 3515 days ago · 92 km deep · 92 km away
- 4.5131 km NW of Neiafu, Tonga · 3503 days ago · 196 km deep · 91 km away
- 4.2Tonga · 3501 days ago · 107 km deep · 43 km away
- 4.2180 km NW of Neiafu, Tonga · 3498 days ago · 289 km deep · 94 km away
- 4.7121 km N of Neiafu, Tonga · 3495 days ago · 57 km deep · 48 km away
- 4.3149 km NW of Neiafu, Tonga · 3477 days ago · 219 km deep · 80 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us20008fsk. Read Fri, Oct 2, 2026, 3:24 PM UTC.