M4.2 earthquake Fiji region
A magnitude 4.2 earthquake struck in the Fiji region on Thu, May 20, 2021, 4:08 AM GMT-12 (16:08 UTC), 372 km (231 mi) below the surface.
A larger quake followed: M4.5 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
- 4.2 (mb), light
- Local time
- UTC
- 2021-05-20 16:08:52 UTC
- Depth
- 372.3 km (231.3 mi), deep
- Epicenter
- 17.810° S, 176.866° 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 11.3 km horizontally, 7.9 km in depth
- Magnitude uncertainty
- ±0.10
- Depth from
- From location
- Station coverage gap
- 128°
- Stations used
- 40
Nearby
Within 100 km, magnitude 1.5 and up: 3 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.3Fiji region · 1940 days ago · 615 km deep · 89 km away
- 4.3291 km WNW of Neiafu, Tonga · 1933 days ago · 329 km deep · 27 km away
- 4.5Fiji region · 1913 days ago · 565 km deep · 72 km away
Before
Earthquakes todayFiji earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000e4sv. Read Tue, Sep 29, 2026, 2:15 PM UTC.