M4.4 earthquake 75 km ESE of Hihifo, Tonga
A magnitude 4.4 earthquake struck 75 km ESE of Hihifo, Tonga on Sun, Apr 15, 2018, 10:01 AM GMT+13 (21:01 UTC), 35 km (22 mi) below the surface.
A larger quake followed: M4.8 99 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
- 4.4 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2018-04-14 21:01:32 UTC
- Depth
- 35.0 km (21.7 mi), shallow
- Epicenter
- 16.180° S, 173.129° 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 9.4 km horizontally, 2.0 km in depth
- Magnitude uncertainty
- ±0.18
- Depth from
- Operator assigned
- Station coverage gap
- 113°
- Stations used
- 13
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 8 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.899 km ENE of Hihifo, Tonga · 3094 days ago · 71 km deep · 81 km away
- 4.680 km NE of Hihifo, Tonga · 3076 days ago · 10 km deep · 80 km away
- 4.544 km S of Hihifo, Tonga · 3075 days ago · 140 km deep · 78 km away
- 4.663 km ESE of Hihifo, Tonga · 3068 days ago · 10 km deep · 19 km away
- 4.567 km NE of Hihifo, Tonga · 3059 days ago · 35 km deep · 86 km away
- 4.698 km E of Hihifo, Tonga · 3045 days ago · 35 km deep · 27 km away
- 4.677 km ESE of Hihifo, Tonga · 3038 days ago · 10 km deep · 15 km away
- 4.378 km ESE of Hihifo, Tonga · 3038 days ago · 39 km deep · 4 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us1000dnmr. Read Sun, Oct 4, 2026, 9:13 AM UTC.