Fiji earthquakes

M4.0 earthquake Fiji region

A magnitude 4.0 earthquake struck in the Fiji region on Sat, Sep 29, 2018, 7:42 PM GMT-12 (07:42 UTC), 568 km (353 mi) below the surface.

A larger quake followed: M5.0 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), light
Local time
UTC
2018-09-30 07:42:08 UTC
Depth
568.4 km (353.2 mi), deep
Epicenter
21.189° S, 179.259° 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 15.8 km horizontally, 21.1 km in depth
Magnitude uncertainty
±0.13
Depth from
From location
Station coverage gap
210°, poorly surrounded by stations
Stations used
20

Nearby

Within 100 km, magnitude 1.5 and up: 16 in the 60 days after this one and 4 in the 30 days before it.

After

  1. 4.3south of the Fiji Islands · 2920 days ago · 599 km deep · 95 km away
  2. 4.5Fiji region · 2919 days ago · 590 km deep · 45 km away
  3. 4.4Fiji region · 2918 days ago · 541 km deep · 66 km away
  4. 4.2Fiji region · 2914 days ago · 625 km deep · 26 km away
  5. 4.6south of the Fiji Islands · 2911 days ago · 581 km deep · 98 km away
  6. 4.2Fiji region · 2909 days ago · 523 km deep · 71 km away
  7. 4.7Fiji region · 2900 days ago · 581 km deep · 90 km away
  8. 4.4Fiji region · 2888 days ago · 579 km deep · 40 km away
  9. 4.1Fiji region · 2888 days ago · 593 km deep · 73 km away
  10. 4.4Fiji region · 2884 days ago · 613 km deep · 39 km away
  11. 5.0Fiji region · 2883 days ago · 556 km deep · 90 km away
  12. 4.4Fiji region · 2876 days ago · 613 km deep · 58 km away
  13. 4.1Fiji region · 2869 days ago · 632 km deep · 24 km away
  14. 5.0Fiji region · 2868 days ago · 532 km deep · 76 km away
  15. 4.1Fiji region · 2865 days ago · 641 km deep · 19 km away
  16. 4.3Fiji region · 2863 days ago · 597 km deep · 28 km away

Before

  1. 4.4south of the Fiji Islands · 2935 days ago · 581 km deep · 99 km away
  2. 4.4Fiji region · 2942 days ago · 575 km deep · 60 km away
  3. 4.7Fiji region · 2946 days ago · 548 km deep · 95 km away
  4. 4.2Fiji region · 2951 days ago · 626 km deep · 12 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us1000h7jp. Read Tue, Sep 29, 2026, 3:57 PM UTC.