Fiji earthquakes

M4.0 earthquake Fiji region

A magnitude 4.0 earthquake struck in the Fiji region on Thu, Aug 20, 2020, 7:20 PM GMT+13 (06:20 UTC), 565 km (351 mi) below the surface.

A larger quake followed: M4.6 Fiji region. 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
4.0 (mb), light
Local time
UTC
2020-08-20 06:20:14 UTC
Depth
565.4 km (351.3 mi), deep
Epicenter
19.353° S, 177.505° 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 9.9 km horizontally, 6.6 km in depth
Magnitude uncertainty
±0.07
Depth from
From location
Station coverage gap
76°
Stations used
74

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 17 in the 60 days after this one and 10 in the 30 days before it.

After

  1. 4.2Fiji region · 2228 days ago · 524 km deep · 58 km away
  2. 4.1Fiji region · 2226 days ago · 533 km deep · 3 km away
  3. 4.0Fiji region · 2226 days ago · 578 km deep · 10 km away
  4. 4.4Fiji region · 2225 days ago · 565 km deep · 55 km away
  5. 4.2293 km WNW of Haveluloto, Tonga · 2217 days ago · 545 km deep · 56 km away
  6. 4.3287 km ESE of Levuka, Fiji · 2202 days ago · 607 km deep · 83 km away
  7. 4.2276 km WNW of Haveluloto, Tonga · 2199 days ago · 537 km deep · 88 km away
  8. 4.1Fiji region · 2197 days ago · 585 km deep · 38 km away
  9. 4.2295 km WNW of Haveluloto, Tonga · 2189 days ago · 404 km deep · 90 km away
  10. 4.5Fiji region · 2188 days ago · 503 km deep · 18 km away
  11. 4.1Fiji region · 2188 days ago · 584 km deep · 33 km away
  12. 4.6Fiji region · 2186 days ago · 616 km deep · 82 km away
  13. 4.2286 km ESE of Levuka, Fiji · 2184 days ago · 528 km deep · 96 km away
  14. 4.4290 km NW of Haveluloto, Tonga · 2179 days ago · 544 km deep · 32 km away
  15. 4.2Fiji region · 2173 days ago · 549 km deep · 21 km away
  16. 4.3Fiji region · 2172 days ago · 393 km deep · 35 km away
  17. 4.2267 km WNW of Haveluloto, Tonga · 2171 days ago · 555 km deep · 83 km away

Before

  1. 4.7Fiji region · 2231 days ago · 433 km deep · 48 km away
  2. 4.1267 km NW of Haveluloto, Tonga · 2234 days ago · 550 km deep · 46 km away
  3. 4.4Fiji region · 2237 days ago · 559 km deep · 94 km away
  4. 4.0Fiji region · 2242 days ago · 579 km deep · 20 km away
  5. 4.5Fiji region · 2248 days ago · 571 km deep · 59 km away
  6. 4.9Fiji region · 2253 days ago · 529 km deep · 71 km away
  7. 4.2273 km WNW of Haveluloto, Tonga · 2255 days ago · 547 km deep · 72 km away
  8. 4.3Fiji region · 2255 days ago · 612 km deep · 66 km away
  9. 4.2253 km WNW of Pangai, Tonga · 2255 days ago · 560 km deep · 93 km away
  10. 4.0Fiji region · 2258 days ago · 628 km deep · 81 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000bdlv. Read Mon, Sep 28, 2026, 8:02 PM UTC.