M4.6 earthquake Fiji region
A magnitude 4.6 earthquake struck in the Fiji region on Mon, Mar 6, 1978, 10:45 PM GMT+13 (09:45 UTC), 437 km (272 mi) below the surface.
A larger quake followed: M5.7 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
- 4.6 (mb), light
- Local time
- UTC
- 1978-03-06 09:45:12 UTC
- Depth
- 437.0 km (271.5 mi), deep
- Epicenter
- 21.180° S, 178.163° 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
- 16
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.6 and up: 7 in the 60 days after this one and 2 in the 30 days before it.
After
- 5.7Fiji region · 17713 days ago · 595 km deep · 72 km away
- 5.0Fiji region · 17712 days ago · 565 km deep · 70 km away
- 5.5296 km WNW of Haveluloto, Tonga · 17711 days ago · 550 km deep · 81 km away
- 4.5Fiji region · 17708 days ago · 538 km deep · 62 km away
- 5.1Fiji region · 17692 days ago · 543 km deep · 50 km away
- 4.5Fiji region · 17692 days ago · 557 km deep · 78 km away
- 5.4228 km W of Haveluloto, Tonga · 17674 days ago · 319 km deep · 82 km away
Before
Earthquakes todayFiji earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000t8p. Read Tue, Sep 22, 2026, 10:46 AM UTC.