M5.5 earthquake Fiji region
A magnitude 5.5 earthquake struck in the Fiji region on Sun, Oct 20, 2024, 12:31 AM GMT-12 (12:31 UTC), 591 km (367 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.5 (Mww, W-phase moment), moderate
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2024-10-20 12:31:07 UTC
- Depth
- 591.3 km (367.4 mi), deep
- Epicenter
- 21.893° S, 179.501° W
- Region
- Fiji
- Strongest shaking
- I, not felt shaking
- PAGER alert
- Green
- 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 |
|---|---|---|---|
| 5.5 | Mww, W-phase moment | USGS National Earthquake Information Center | Preferred · Reviewed · ±0.068 · 21 stations |
| 5.5 | Mww, W-phase moment | USGS, automatic first solution | First automatic solution · Preliminary |
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
- 0.0 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
- Reverse (thrust)
- Moment magnitude
- 5.5 Mww
- Nodal plane 1
- Strike 149°, dip 65°, rake 70°
- Nodal plane 2
- Strike 10°, dip 32°, rake 126°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 11.0 km horizontally, 7.5 km in depth
- Magnitude uncertainty
- ±0.07
- Depth from
- From location
- Station coverage gap
- 58°
- Stations used
- 75
Nearby
Within 100 km, magnitude 2.5 and up: 9 in the 60 days after this one and 6 in the 30 days before it.
After
- 4.4Fiji region · 699 days ago · 574 km deep · 83 km away
- 4.3south of the Fiji Islands · 698 days ago · 559 km deep · 77 km away
- 4.3Fiji region · 692 days ago · 588 km deep · 8 km away
- 4.5south of the Fiji Islands · 688 days ago · 607 km deep · 36 km away
- 4.6south of the Fiji Islands · 681 days ago · 587 km deep · 28 km away
- 4.6Fiji region · 678 days ago · 591 km deep · 9 km away
- 4.2Fiji region · 664 days ago · 583 km deep · 20 km away
- 4.4Fiji region · 657 days ago · 589 km deep · 67 km away
- 4.1Fiji region · 655 days ago · 613 km deep · 29 km away
Before
- 4.3Fiji region · 714 days ago · 616 km deep · 76 km away
- 4.0south of the Fiji Islands · 714 days ago · 574 km deep · 25 km away
- 4.5south of the Fiji Islands · 717 days ago · 579 km deep · 54 km away
- 4.2Fiji region · 718 days ago · 615 km deep · 6 km away
- 4.1Fiji region · 731 days ago · 487 km deep · 88 km away
- 4.4Fiji region · 741 days ago · 571 km deep · 55 km away
Earthquakes todayFiji earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000nzvu (also filed as usauto6000nzvu). Read Sat, Oct 3, 2026, 5:42 PM UTC.