M4.5 earthquake 80 km ESE of Hihifo, Tonga
A magnitude 4.5 earthquake struck 80 km ESE of Hihifo, Tonga on Sun, Feb 18, 2018, 2:44 PM GMT+14 (00:44 UTC), 35 km (22 mi) below the surface.
A larger quake followed: M5.0 93 km ENE 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, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2018-02-18 00:44:18 UTC
- Depth
- 35.0 km (21.7 mi), shallow
- Epicenter
- 16.243° S, 173.103° 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 11.1 km horizontally, 2.0 km in depth
- Magnitude uncertainty
- ±0.16
- Depth from
- Operator assigned
- Station coverage gap
- 110°
- Stations used
- 18
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 7 in the 60 days after this one and 2 in the 30 days before it.
After
- 5.093 km ENE of Hihifo, Tonga · 3133 days ago · 10 km deep · 75 km away
- 4.873 km NE of Hihifo, Tonga · 3129 days ago · 10 km deep · 87 km away
- 4.791 km ESE of Hihifo, Tonga · 3115 days ago · 10 km deep · 11 km away
- 4.5102 km SSE of Hihifo, Tonga · 3108 days ago · 10 km deep · 82 km away
- 4.580 km SSE of Hihifo, Tonga · 3107 days ago · 15 km deep · 59 km away
- 4.475 km ESE of Hihifo, Tonga · 3093 days ago · 35 km deep · 8 km away
- 4.899 km ENE of Hihifo, Tonga · 3091 days ago · 71 km deep · 87 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000d8rr. Read Fri, Oct 2, 2026, 8:38 AM UTC.