Fiji earthquakes

M4.2 earthquake Fiji region

A magnitude 4.2 earthquake struck in the Fiji region on Sun, Oct 7, 2018, 6:05 AM GMT-12 (18:05 UTC), 625 km (388 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
4.2 (mb), light
Local time
UTC
2018-10-07 18:05:39 UTC
Depth
624.7 km (388.2 mi), deep
Epicenter
21.395° S, 179.135° 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 7.7 km horizontally, 12.7 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
203°, poorly surrounded by stations
Stations used
26

Nearby

Within 100 km, magnitude 1.5 and up: 19 in the 60 days after this one and 6 in the 30 days before it.

After

  1. 4.6south of the Fiji Islands · 2911 days ago · 581 km deep · 74 km away
  2. 4.2Fiji region · 2909 days ago · 523 km deep · 58 km away
  3. 4.7Fiji region · 2900 days ago · 581 km deep · 63 km away
  4. 4.6south of the Fiji Islands · 2899 days ago · 587 km deep · 97 km away
  5. 4.4Fiji region · 2887 days ago · 579 km deep · 39 km away
  6. 4.1Fiji region · 2887 days ago · 593 km deep · 71 km away
  7. 4.4Fiji region · 2883 days ago · 613 km deep · 12 km away
  8. 5.0Fiji region · 2882 days ago · 556 km deep · 88 km away
  9. 4.4Fiji region · 2876 days ago · 613 km deep · 67 km away
  10. 4.1Fiji region · 2869 days ago · 632 km deep · 16 km away
  11. 5.0Fiji region · 2868 days ago · 532 km deep · 72 km away
  12. 4.1Fiji region · 2865 days ago · 641 km deep · 26 km away
  13. 4.6south of the Fiji Islands · 2863 days ago · 541 km deep · 84 km away
  14. 4.3Fiji region · 2863 days ago · 597 km deep · 5 km away
  15. 4.3Fiji region · 2861 days ago · 544 km deep · 73 km away
  16. 5.0Fiji region · 2859 days ago · 562 km deep · 73 km away
  17. 4.3Fiji region · 2856 days ago · 551 km deep · 88 km away
  18. 4.3Fiji region · 2855 days ago · 558 km deep · 37 km away
  19. 4.3Fiji region · 2854 days ago · 541 km deep · 53 km away

Before

  1. 4.4Fiji region · 2918 days ago · 541 km deep · 66 km away
  2. 4.5Fiji region · 2919 days ago · 590 km deep · 20 km away
  3. 4.3south of the Fiji Islands · 2920 days ago · 599 km deep · 80 km away
  4. 4.0Fiji region · 2921 days ago · 568 km deep · 26 km away
  5. 4.4south of the Fiji Islands · 2934 days ago · 581 km deep · 82 km away
  6. 4.4Fiji region · 2941 days ago · 575 km deep · 58 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us1000hb4b. Read Tue, Sep 29, 2026, 11:41 AM UTC.