Fiji earthquakes

M6.4 earthquake Fiji region

A magnitude 6.4 earthquake struck in the Fiji region on Fri, May 27, 2016, 5:08 PM GMT+13 (04:08 UTC), 567 km (353 mi) below the surface.

Nuku‘alofa forecast 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: 6.4 (Mww, W-phase moment), strong
Magnitude from: USGS National Earthquake Information Center
Local time: Fri, May 27, 2016, 5:08 PM GMT+13
UTC: 2016-05-27 04:08:43 UTC
Depth: 567.5 km (352.6 mi), deep
Epicenter: 20.810° S, 178.648° W
Region: Fiji
Strongest shaking: II, weak shaking
PAGER alert: Green
Tsunami flag: No
Status: Reviewed by a seismologist

Magnitude estimates

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.	Scale	Computed by	Notes
6.4	Mww, W-phase moment	USGS National Earthquake Information Center	Preferred · Reviewed
6.45	Mw, moment	ISC-GEM global catalog	Final · ±0.1
6.4	Mwc, centroid moment	USGS National Earthquake Information Center	Moment tensor · Reviewed

Shaking

The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.

Strongest estimated: II, weak shaking
Map: Automatic

USGS ShakeMap: estimated shaking intensity around the epicenter — Estimated shaking intensity. Map: USGS ShakeMap.

Did you feel it?

No one has reported feeling this quake to the USGS.

Estimated impact

The USGS PAGER system estimates deaths and economic losses from the shaking and the population and buildings exposed to it.

Alert level: Green: little or no damage or loss of life expected

Fault motion and ground failure

How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.

Faulting: Oblique normal
Moment magnitude: 6.4 Mww
Nodal plane 1: Strike 348°, dip 72°, rake -46°
Nodal plane 2: Strike 97°, dip 46°, rake -154°

How well it is located

Reviewed by a seismologist.

Location uncertainty: About 7.2 km horizontally, 3.8 km in depth
Depth from: From location
Station coverage gap: 16°
Stations used: 295

Nearest places

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

Nuku‘alofa, TongaPopulation 22,400. Forecast360 kmW

Nearby

Within 100 km, magnitude 3.4 and up: 24 in the 60 days after this one and 11 in the 30 days before it.

After

Before

Earthquakes today Fiji earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us20005yd7 (also filed as gcmt20160527040844, iscgem611566084). Read Fri, Oct 2, 2026, 5:49 AM UTC.