M5.4 earthquake Fiji region
A magnitude 5.4 earthquake struck in the Fiji region on Sun, Dec 6, 2020, 5:25 PM GMT-12 (05:25 UTC), 613 km (381 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.4 (mww), moderate
- Local time
- UTC
- 2020-12-07 05:25:45 UTC
- Depth
- 613.3 km (381.1 mi), deep
- Epicenter
- 21.029° S, 179.111° W
- Region
- Fiji
- Strongest shaking
- I, not felt shaking
- PAGER alert
- Green
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Shaking
The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.
- Strongest estimated
- I, not felt shaking
- Peak ground acceleration
- 0.0% of gravity
- Peak ground velocity
- -4.7 cm/s
- Map
- Automatic
Did you feel it?
No one has reported feeling this quake to the USGS.
Estimated impact
The USGS PAGER system estimates deaths and economic losses from the shaking and the population and buildings exposed to it.
- Alert level
- Green: little or no damage or loss of life expected
| Range | Chance |
|---|---|
| Under 1 | 65% |
| 1 to 10 | 30% |
| 10 to 100 | 4% |
| 100 to 1,000 | Under 1% |
| 1,000 to 10,000 | Under 1% |
| 10,000 to 100,000 | Under 1% |
| 100,000 to 10,000,000 | Under 1% |
| Range, million USD | Chance |
|---|---|
| Under 1 | 65% |
| 1 to 10 | 30% |
| 10 to 100 | 4% |
| 100 to 1,000 | Under 1% |
| 1,000 to 10,000 | Under 1% |
| 10,000 to 100,000 | Under 1% |
| 100,000 to 10,000,000 | Under 1% |
Fault motion and ground failure
How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.
- Faulting
- Oblique normal
- Moment magnitude
- 5.5 Mwb
- Nodal plane 1
- Strike 50°, dip 72°, rake -149°
- Nodal plane 2
- Strike 309°, dip 61°, rake -21°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 11.3 km horizontally, 5.5 km in depth
- Magnitude uncertainty
- ±0.09
- Depth from
- From location
- Station coverage gap
- 75°
- Stations used
- 77
Nearby
Within 100 km, magnitude 2.4 and up: 13 in the 60 days after this one and 4 in the 30 days before it.
After
- 4.8Fiji region · 2123 days ago · 608 km deep · 77 km away
- 4.3Fiji region · 2119 days ago · 573 km deep · 75 km away
- 4.7Fiji region · 2115 days ago · 629 km deep · 5 km away
- 4.6Fiji region · 2111 days ago · 490 km deep · 96 km away
- 4.4Fiji region · 2109 days ago · 545 km deep · 90 km away
- 4.3Fiji region · 2106 days ago · 568 km deep · 62 km away
- 4.6Fiji region · 2100 days ago · 593 km deep · 90 km away
- 4.3Fiji region · 2098 days ago · 542 km deep · 81 km away
- 4.3Fiji region · 2097 days ago · 545 km deep · 94 km away
- 4.5Fiji region · 2086 days ago · 565 km deep · 77 km away
- 4.0Fiji region · 2086 days ago · 589 km deep · 52 km away
- 4.3Fiji region · 2084 days ago · 558 km deep · 70 km away
- 4.7Fiji region · 2080 days ago · 554 km deep · 55 km away
Before
Earthquakes todayFiji earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000cns5 (also filed as usauto7000cns5, pt20342000, iscgem619872607). Read Wed, Sep 30, 2026, 5:42 AM UTC.