Fiji earthquakes

M4.2 earthquake Fiji region

A magnitude 4.2 earthquake struck in the Fiji region on Tue, Aug 18, 2015, 1:47 PM GMT+13 (00:47 UTC), 595 km (370 mi) below the surface.

A larger quake followed: M5.2 south of the Fiji Islands. This one was a foreshock.

Nuku‘alofa forecastMore 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, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2015-08-18 00:47:35 UTC
Depth
594.9 km (369.7 mi), deep
Epicenter
21.623° S, 178.232° 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.

Did You Feel It? map: shaking reported by the public
Shaking reported by the public, by area. Map: USGS Did You Feel It?

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 16.0 km horizontally, 13.4 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
116°
Stations used
23

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 10 in the 60 days after this one and 7 in the 30 days before it.

After

  1. 5.2south of the Fiji Islands · 4061 days ago · 380 km deep · 92 km away
  2. 4.5294 km WSW of Haveluloto, Tonga · 4060 days ago · 371 km deep · 35 km away
  3. 4.4Fiji region · 4043 days ago · 613 km deep · 95 km away
  4. 4.4Fiji region · 4041 days ago · 601 km deep · 64 km away
  5. 4.1248 km W of Haveluloto, Tonga · 4036 days ago · 338 km deep · 73 km away
  6. 4.2Fiji region · 4034 days ago · 519 km deep · 1 km away
  7. 4.3Fiji region · 4034 days ago · 514 km deep · 92 km away
  8. 4.4Fiji region · 4027 days ago · 588 km deep · 89 km away
  9. 4.3Fiji region · 4009 days ago · 576 km deep · 98 km away
  10. 4.0Fiji region · 4009 days ago · 473 km deep · 35 km away

Before

  1. 4.3281 km W of Haveluloto, Tonga · 4065 days ago · 479 km deep · 51 km away
  2. 4.3Fiji region · 4067 days ago · 549 km deep · 64 km away
  3. 4.1Fiji region · 4072 days ago · 543 km deep · 88 km away
  4. 4.5Fiji region · 4077 days ago · 579 km deep · 84 km away
  5. 4.3Fiji region · 4084 days ago · 528 km deep · 61 km away
  6. 4.5Fiji region · 4088 days ago · 598 km deep · 83 km away
  7. 4.1Fiji region · 4093 days ago · 497 km deep · 78 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us20003fr8. Read Sat, Oct 3, 2026, 6:07 PM UTC.