M4.5 earthquake 120 km SW of Hihifo, Tonga
A magnitude 4.5 earthquake struck 120 km SW of Hihifo, Tonga on Sun, Feb 10, 2019, 5:12 AM GMT-12 (17:12 UTC), 185 km (115 mi) below the surface.
A larger quake followed: M4.6 64 km WSW 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
- 4.5 (mb), light
- Local time
- UTC
- 2019-02-10 17:12:54 UTC
- Depth
- 184.8 km (114.8 mi), intermediate-depth
- Epicenter
- 16.809° S, 174.491° 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 10.7 km horizontally, 8.7 km in depth
- Magnitude uncertainty
- ±0.10
- Depth from
- From location
- Station coverage gap
- 98°
- Stations used
- 39
Nearby
Within 100 km, magnitude 1.5 and up: 2 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.664 km WSW of Hihifo, Tonga · 2773 days ago · 100 km deep · 73 km away
- 4.1162 km NW of Neiafu, Tonga · 2740 days ago · 263 km deep · 81 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000jg15. Read Wed, Sep 30, 2026, 6:04 AM UTC.