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Mw 4.6 Earthquake, Green alert in Samoa on 19 May 2017 17:57 UTC
GDACS Event Report - Earthquake impact

Summary

Population map close up
Population map close up. (Source: JRC)
Interactive map: Open

This earthquake is expected to have a low humanitarian impact based on the magnitude and the affected population and their vulnerability.

  • Earthquake Magnitude 4.6M, Depth:62.23km
  • from 19 May 2017 17:57 UTC to 17:57
  • About 1057 people within 100km
  • inserted at 19 May 2017 18:33:06

Earthquake event

  • 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

Earthquake impact details

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

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

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.

Event time line

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

event calculation detail

Event calculation detail

Reference Id Level Score Type Date Added Population
100km                      20km
Vulnerability
Score
Max Height(m)
 
Episode 1168375
1 realtime 2017-05-19 20:33:10 1 thousand No people affected 1.31 0
  Earthquake 186235
0 realtime 2017-05-19 20:33:10 1 thousand No people affected 1.31 0
 
Episode 1168479
1 realtime 2017-05-20 17:45:14 1 thousand No people affected 1.31 0
  Earthquake 186339
0 realtime 2017-05-20 17:45:14 1 thousand No people affected 1.31 0
 
Close
IDAlert Color Date (UTC)Mag. and depthMax Intensity (mmi*)Pop. within 100 kmTsunami risk (max height)Delay (hh:mm) Source
1168375

Calculation Episode detail

Reference Id Level Score Type Date Added Population
100km                      20km
Vulnerability
Score
Max Height(m)
Episode 1168375
1 realtime 2017-05-19 20:33:10 1 thousand 1.31 0
  Earthquake 186235
0 realtime 2017-05-19 20:33:10 1 thousand No people affected 1.31 0
Close
19 May 2017 17:57 4.6M, 62.23km N/A 1 thousand 00:35 NEIC NEIC
1168479

Calculation Episode detail

Reference Id Level Score Type Date Added Population
100km                      20km
Vulnerability
Score
Max Height(m)
Episode 1168479
1 realtime 2017-05-20 17:45:14 1 thousand 1.31 0
  Earthquake 186339
0 realtime 2017-05-20 17:45:14 1 thousand No people affected 1.31 0
Close
19 May 2017 17:57 4.7M, 64.13km N/A 1 thousand 21:47 NEIC NEIC

(*) Modified Mercalli Intensity Scale

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.