M5.1 earthquake Fiji region
A magnitude 5.1 earthquake struck in the Fiji region on Fri, Aug 23, 1974, 12:49 AM GMT+13 (11:49 UTC), 583 km (362 mi) below the surface.
A larger quake followed: M5.3 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
- 5.1 (mb, body-wave), moderate
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1974-08-22 11:49:14 UTC
- Depth
- 583.0 km (362.3 mi), deep
- Epicenter
- 20.716° S, 178.470° W
- Region
- Fiji
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Magnitude estimates
Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.
| Mag. | Scale | Computed by | Notes |
|---|---|---|---|
| 5.1 | mb, body-wave | USGS National Earthquake Information Center | Preferred · Reviewed |
| 5.55 | Mw, moment | ISC-GEM global catalog | Final · ±0.31 |
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Depth from
- CONSTRAINED_BY_DEPTH_PHASES
- Stations used
- 56
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.1 and up: 2 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.8Fiji region · 19013 days ago · 606 km deep · 75 km away
- 5.3Fiji region · 18982 days ago · 554 km deep · 38 km away
Before
Earthquakes todayFiji earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00007qv (also filed as iscgem739061). Read Sat, Oct 3, 2026, 6:44 AM UTC.