Fiji earthquakes

M5.5 earthquake Fiji region

A magnitude 5.5 earthquake struck in the Fiji region on Sun, Oct 21, 1984, 10:22 AM GMT+13 (21:22 UTC), 575 km (357 mi) below the surface.

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Map

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

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The earthquake

Magnitude
5.5 (mw), moderate
Local time
UTC
1984-10-20 21:22:11 UTC
Depth
575.0 km (357.3 mi), deep
Epicenter
20.693° S, 178.439° 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.

Depth from
CONSTRAINED_BY_DEPTH_PHASES

Nearest places

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

Nearby

Within 100 km, magnitude 2.5 and up: 11 in the 60 days after this one and 3 in the 30 days before it.

After

  1. 4.5Fiji region · 15307 days ago · 639 km deep · 67 km away
  2. 4.6Fiji region · 15306 days ago · 559 km deep · 36 km away
  3. 4.9Fiji region · 15297 days ago · 617 km deep · 42 km away
  4. 5.1Fiji region · 15291 days ago · 584 km deep · 47 km away
  5. 4.6Fiji region · 15291 days ago · 580 km deep · 65 km away
  6. 4.4285 km WNW of Haveluloto, Tonga · 15289 days ago · 540 km deep · 77 km away
  7. 4.7Fiji region · 15286 days ago · 573 km deep · 93 km away
  8. 5.1Fiji region · 15272 days ago · 568 km deep · 73 km away
  9. 4.8Fiji region · 15266 days ago · 634 km deep · 80 km away
  10. 4.1295 km SE of Levuka, Fiji · 15259 days ago · 627 km deep · 92 km away
  11. 5.0285 km W of Haveluloto, Tonga · 15257 days ago · 464 km deep · 57 km away

Before

  1. 5.0272 km WNW of Haveluloto, Tonga · 15313 days ago · 436 km deep · 81 km away
  2. 5.0Fiji region · 15318 days ago · 535 km deep · 37 km away
  3. 4.3299 km WNW of Haveluloto, Tonga · 15337 days ago · 538 km deep · 68 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp00028ba (also filed as gcmtb102084c, gcmt19841020212211, iscgem541722). Read Tue, Sep 22, 2026, 8:20 AM UTC.