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 4.6 in Samoa from 19 May 2017 17:57 UTC to 17:57
GDACS Event Report - Earthquake impact

Earthquake event

Population map close up
Population map close up. (Source: JRC)
Interactive map
  • Magnitude: 4.6 M
  • Depth: 62.23 km (deep)
  • Source: NEIC NEIC us10008tlj
  • Location (latitude/longitude): -15.6789, -173.0324
  • Time (UTC): 19 May 2017 17:57:29
  • Time (ECT): 19 May 2017 19:57:29

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
1168375 0

Calculation Episode detail

Reference Id Level Score Type Date Added Population
100km or MMI9-7    
Population
20km or Max MMI    
Max Height(m)
Episode 1168375
1 realtime 2017-05-19 20:33:10 1 thousand 0
  Earthquake 186235
0 realtime 2017-05-19 20:33:10 1 thousand No people affected 0
Close
19 May 2017 17:57 4.6M, 62.23km N/A 1 thousand 00:35 NEIC NEIC
1168479 0

Calculation Episode detail

Reference Id Level Score Type Date Added Population
100km or MMI9-7    
Population
20km or Max MMI    
Max Height(m)
Episode 1168479
1 realtime 2017-05-20 17:45:14 1 thousand 0
  Earthquake 186339
0 realtime 2017-05-20 17:45:14 1 thousand No people affected 0
Close
19 May 2017 17:57 4.7M, 64.13km N/A 1 thousand 21:47 NEIC NEIC

(*) Modified Mercalli Intensity Scale

Earthquake impact details

Population

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

The earthquake happened in Samoa , of Samoa (population 159,000) .

Affected provinces

Region Province Country Population
Samoa Samoa 150000 people
American Samoa American Samoa 53000 people
Tonga Tonga 98000 people
Wallis & Futuna Wallis and Futuna 14000 people

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

For a full list of available products related to this event, please refer to the GDACS Resources page.

About the data

Disclaimer

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.