GDACS is a cooperation framework between the United Nations, the European Commission and disaster managers worldwide to improve alerts, information exchange and coordination in the first phase after major sudden-onset disasters.

M 6 in Fiji Islands Region on 18 Apr 2017 17:11 UTC
GDACS Event Report - Earthquake impact

Earthquake event

Population map close up
Population map close up. (Source: JRC)
  • Magnitude: 6 M
  • Depth: 626.1 km (very deep)
  • Source: NEIC NEIC us10008iph
  • Location (latitude/longitude): -18.0517, -178.397
  • Time (UTC): 18 Apr 2017 17:11:47
  • Time (ECT): 18 Apr 2017 19:11:47

Event time line

For accessing reports of previous advisories, please click on the advisory number in the table below.

IDAlertScore DateMag, DepthMax Intensity (MMI*)Pop [100 km or MMI 9-7]Tsunami risk (max height)Delay (hh:mm) Source
1164464 0

Calculation Episode detail

Reference Id Level Score Type Date Added Population
100km or MMI9-7    
20km or Max MMI    
Max Height(m)
Episode 1164464
0 realtime 2017-04-18 19:36:09 2 thousand 0
  Earthquake 182359
0 realtime 2017-04-18 19:36:09 2 thousand Few people affected 0
18 Apr 2017 17:11 6M, 626.1km 2.07 2 thousand 00:24 NEIC NEIC

(*) Modified Mercalli Intensity Scale

Earthquake impact details


Population near epicenter
Radius Population
100 km 2500 people
75 km 2000 people
50 km <1000 people
20 km <1000 people
10 km <1000 people
5 km <1000 people
2 km no people

The earthquake happened off shore.

Affected provinces

Affected Populated Places

See complete places

Critical infrastructure

Airports, ports, nuclear plants and hydrodams at risk, if affected, are listed below.

More information

Data resources

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About the data


While we try everything to ensure accuracy, this information is purely indicative and should not be used for any decision making without alternate sources of information. The JRC is not responsible for any damage or loss resulting from the use of the information presented on this website.