M4.7 earthquake 290 km WSW of Haveluloto, Tonga
A magnitude 4.7 earthquake struck 290 km WSW of Haveluloto, Tonga on Mon, Apr 16, 2018, 6:53 PM GMT+13 (05:53 UTC), 347 km (216 mi) below the surface.
A larger quake followed: M5.4 Fiji region. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.7 (mb), light
- Local time
- UTC
- 2018-04-16 05:53:49 UTC
- Depth
- 347.3 km (215.8 mi), deep
- Epicenter
- 21.978° S, 177.875° 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 10.7 km horizontally, 5.5 km in depth
- Magnitude uncertainty
- ±0.03
- Depth from
- From location
- Station coverage gap
- 102°
- Stations used
- 198
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.7 and up: 3 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.1294 km SW of Haveluloto, Tonga · 3056 days ago · 252 km deep · 95 km away
- 4.2206 km WSW of Haveluloto, Tonga · 3056 days ago · 175 km deep · 98 km away
- 5.4Fiji region · 3051 days ago · 473 km deep · 85 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000e0ts. Read Wed, Sep 30, 2026, 9:28 PM UTC.