M4.8 earthquake 81 km ESE of Hihifo, Tonga
A magnitude 4.8 earthquake struck 81 km ESE of Hihifo, Tonga on Thu, Jan 17, 2019, 5:33 PM GMT+14 (03:33 UTC), 35 km (22 mi) below the surface.
A larger quake followed: M5.3 79 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
- 4.8 (mb), light
- Local time
- UTC
- 2019-01-17 03:33:08 UTC
- Depth
- 35.0 km (21.7 mi), shallow
- Epicenter
- 16.182° S, 173.072° 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 11.5 km horizontally, 2.0 km in depth
- Magnitude uncertainty
- ±0.13
- Depth from
- Operator assigned
- Station coverage gap
- 152°
- Stations used
- 24
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.8 and up: 8 in the 60 days after this one and 0 in the 30 days before it.
After
- 4.596 km SSE of Hihifo, Tonga · 2804 days ago · 72 km deep · 67 km away
- 4.977 km E of Hihifo, Tonga · 2803 days ago · 10 km deep · 13 km away
- 4.934 km NE of Hihifo, Tonga · 2803 days ago · 35 km deep · 79 km away
- 5.059 km NNE of Hihifo, Tonga · 2802 days ago · 93 km deep · 98 km away
- 5.379 km SSE of Hihifo, Tonga · 2795 days ago · 35 km deep · 74 km away
- 4.699 km E of Hihifo, Tonga · 2790 days ago · 13 km deep · 24 km away
- 4.7124 km E of Hihifo, Tonga · 2780 days ago · 10 km deep · 56 km away
- 4.557 km SSE of Hihifo, Tonga · 2760 days ago · 100 km deep · 64 km away
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000jbvg. Read Mon, Sep 28, 2026, 1:17 AM UTC.