Fiji earthquakes

M5.5 earthquake Fiji region

A magnitude 5.5 earthquake struck in the Fiji region on Wed, Sep 23, 1987, 6:03 PM GMT-12 (06:03 UTC), 593 km (369 mi) below the surface.

A larger quake followed: M5.8 Fiji region. This one was a foreshock.

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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
1987-09-24 06:03:19 UTC
Depth
593.4 km (368.7 mi), deep
Epicenter
21.841° S, 179.454° 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

Nearby

Within 100 km, magnitude 2.5 and up: 7 in the 60 days after this one and 1 in the 30 days before it.

After

  1. 5.0Fiji region · 14239 days ago · 537 km deep · 67 km away
  2. 5.2south of the Fiji Islands · 14231 days ago · 568 km deep · 29 km away
  3. 4.5Fiji region · 14224 days ago · 628 km deep · 88 km away
  4. 5.8Fiji region · 14210 days ago · 534 km deep · 86 km away
  5. 4.5Fiji region · 14202 days ago · 639 km deep · 40 km away
  6. 4.4Fiji region · 14201 days ago · 652 km deep · 100 km away
  7. 5.0Fiji region · 14201 days ago · 627 km deep · 77 km away

Before

  1. 5.4Fiji region · 14265 days ago · 593 km deep · 3 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp00038ns (also filed as gcmtb092487b, gcmt19870924060319, iscgem458295). Read Tue, Sep 22, 2026, 8:25 AM UTC.