M4.4 earthquake 157 km SSW of Hihifo, Tonga
A magnitude 4.4 earthquake struck 157 km SSW of Hihifo, Tonga on Sun, Apr 30, 2017, 10:19 PM GMT-12 (10:19 UTC), 157 km (98 mi) below the surface.
A larger quake followed: M4.7 84 km NW 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
- 4.4 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2017-05-01 10:19:19 UTC
- Depth
- 157.1 km (97.6 mi), intermediate-depth
- Epicenter
- 17.195° S, 174.527° 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 7.7 km horizontally, 13.8 km in depth
- Magnitude uncertainty
- ±0.15
- Depth from
- From location
- Station coverage gap
- 135°
- Stations used
- 17
Nearby
Within 100 km, magnitude 1.5 and up: 9 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.4145 km NW of Neiafu, Tonga · 3441 days ago · 244 km deep · 77 km away
- 4.6137 km NNE of Neiafu, Tonga · 3440 days ago · 11 km deep · 97 km away
- 4.3111 km SSW of Hihifo, Tonga · 3428 days ago · 148 km deep · 47 km away
- 4.4108 km SSW of Hihifo, Tonga · 3422 days ago · 95 km deep · 52 km away
- 4.4133 km NW of Neiafu, Tonga · 3421 days ago · 222 km deep · 88 km away
- 4.567 km S of Hihifo, Tonga · 3419 days ago · 73 km deep · 99 km away
- 4.784 km NW of Neiafu, Tonga · 3399 days ago · 10 km deep · 92 km away
- 4.3197 km SW of Hihifo, Tonga · 3397 days ago · 230 km deep · 71 km away
- 4.2156 km NNW of Neiafu, Tonga · 3392 days ago · 240 km deep · 36 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us10008ptd. Read Fri, Oct 2, 2026, 9:45 AM UTC.