Fiji earthquakes

M4.0 earthquake Fiji region

A magnitude 4.0 earthquake struck in the Fiji region on Tue, Oct 21, 2025, 1:10 AM GMT-12 (13:10 UTC), 612 km (380 mi) below the surface.

A larger quake followed: M5.2 Fiji region. This one was a foreshock.

More in Fiji

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
4.0 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2025-10-21 13:10:48 UTC
Depth
611.5 km (380.0 mi), deep
Epicenter
21.670° S, 179.479° 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.

Location uncertainty
About 20.6 km horizontally, 15.9 km in depth
Magnitude uncertainty
±0.17
Depth from
From location
Station coverage gap
141°
Stations used
16

Nearby

Within 100 km, magnitude 1.5 and up: 8 in the 60 days after this one and 5 in the 30 days before it.

After

  1. 4.4Fiji region · 348 days ago · 638 km deep · 93 km away
  2. 4.5south of the Fiji Islands · 345 days ago · 600 km deep · 84 km away
  3. 4.4south of the Fiji Islands · 336 days ago · 575 km deep · 75 km away
  4. 4.3south of the Fiji Islands · 328 days ago · 593 km deep · 46 km away
  5. 4.3Fiji region · 327 days ago · 520 km deep · 61 km away
  6. 4.2Fiji region · 309 days ago · 646 km deep · 79 km away
  7. 5.2Fiji region · 304 days ago · 599 km deep · 33 km away
  8. 4.4south of the Fiji Islands · 301 days ago · 606 km deep · 60 km away

Before

  1. 4.3south of the Fiji Islands · 348 days ago · 590 km deep · 60 km away
  2. 4.3south of the Fiji Islands · 361 days ago · 607 km deep · 48 km away
  3. 4.2Fiji region · 362 days ago · 581 km deep · 40 km away
  4. 4.5south of the Fiji Islands · 363 days ago · 603 km deep · 66 km away
  5. 4.1Fiji region · 365 days ago · 655 km deep · 93 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000rmt8. Read Sun, Oct 4, 2026, 10:22 AM UTC.