M4.2 earthquake Fiji region
A magnitude 4.2 earthquake struck in the Fiji region on Sun, Aug 19, 2018, 9:21 PM GMT-12 (09:21 UTC), 524 km (325 mi) below the surface.
A larger quake followed: M4.8 253 km W 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
- 4.2 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2018-08-20 09:21:24 UTC
- Depth
- 523.8 km (325.5 mi), deep
- Epicenter
- 16.761° S, 176.748° W
- Region
- Fiji
- 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 21.4 km horizontally, 13.9 km in depth
- Magnitude uncertainty
- ±0.17
- Depth from
- From location
- Station coverage gap
- 197°, poorly surrounded by stations
- Stations used
- 13
Nearby
Within 100 km, magnitude 1.5 and up: 4 in the 60 days after this one and 0 in the 30 days before it.
After
- 4.3227 km SE of Alo, Wallis and Futuna · 2958 days ago · 299 km deep · 94 km away
- 4.8253 km W of Hihifo, Tonga · 2955 days ago · 10 km deep · 83 km away
- 4.2299 km SSE of Alo, Wallis and Futuna · 2933 days ago · 416 km deep · 51 km away
- 4.0261 km W of Hihifo, Tonga · 2926 days ago · 391 km deep · 87 km away
Earthquakes todayFiji earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us1000gjfr. Read Sat, Oct 3, 2026, 4:43 AM UTC.