M3.9 earthquake Fiji region
A magnitude 3.9 earthquake struck in the Fiji region on Wed, Aug 15, 1973, 7:43 AM GMT+13 (18:43 UTC), 617 km (383 mi) below the surface.
A larger quake followed: M5.1 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
- 3.9 (mb), minor
- Local time
- UTC
- 1973-08-14 18:43:02 UTC
- Depth
- 617.0 km (383.4 mi), deep
- Epicenter
- 20.873° S, 178.731° 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.
- Stations used
- 14
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 4 in the 60 days after this one and 1 in the 30 days before it.
After
- 5.1Fiji region · 19381 days ago · 627 km deep · 16 km away
- 5.4Fiji region · 19378 days ago · 639 km deep · 24 km away
- 4.3Fiji region · 19357 days ago · 576 km deep · 94 km away
- 5.0Fiji region · 19346 days ago · 638 km deep · 56 km away
Before
Earthquakes todayFiji earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp000032z. Read Tue, Sep 22, 2026, 8:43 PM UTC.