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M 5.6 in Tonga on 13 May 2018 05:50 UTC
GDACS Event Report - Earthquake impact
Shakemap Image
Shakemap Image. The Shakemap impact image (Source: USGS)KML
Interactive map

Earthquake event

  • Magnitude: 5.6 M
  • Depth: 10 km (very shallow)
  • Area affected by light damage (estimated radius): 17 km (MMI VI)
  • Source: NEIC NEIC us1000e3zd
  • Location (latitude/longitude): -21.1634, -173.874
  • Time (UTC): 13 May 2018 05:50:33
  • Time (ECT): 13 May 2018 07:50:33
  • INFORM Coping capacity: 1.1 ()

Event time line

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

Date event (UTC)Date shake (UTC)Delay (hh:mm) 
1 0.01 1210359 -21.163400/-173.874000 5.6 10 3.22 13 May 2018 05:50 13 May 2018 06:18 00:28 (new episode)
2 0.01 1210359 -21.163400/-173.874000 5.6 10 3.53 13 May 2018 05:50 13 May 2018 07:55 02:05 (upd of #1)

(*) Modified Mercalli Intensity Scale

Earthquake impact details

The earthquake happened in Tonga ,of Tonga (population 98,000) .

The alertlevel for this event is GREEN


Population in major intensity
Intensity Population
no people

Affected provinces

Region Province Country Population
Tonga Tonga 36000 people

Affected Places

See complete places

Name Region Province Country City class Population Distance
Ohonua Tonga Village5 1200 people 113 km
Niutoua Tonga Village5 - 121 km
Kolonga Tonga Village5 - 125 km
Fatumu Tonga Village5 - 129 km
Mua Tonga Village5 - 129 km
Fuaamotu Tonga Village5 - 132 km
Nuku'alofa Tonga Capital 24000 people 139 km
Pea Tonga Village5 - 141 km
Houma Tonga Village5 - 148 km
Nukunuku Tonga Village5 - 148 km
Foui Tonga Village5 - 152 km
Pangai Tonga Village5 1700 people 157 km

Critical infrastructure

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

Nearby and affected airports
Name IATA Code Elevation (m) Usage Runway type IFR Runway Length (ft)
Eua Kaufana EUA unknown 0
Fua'amotu International TBU 38 Civ. Paved Yes 8700
Haapai HPA 12 Civ. Unpaved Yes 3900

Major ports
Name LOCODE Country
Eua Island Tonga
Nuku'alofa TOTBU Tonga
Pangai TOPAN Tonga

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


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.