Green alert: earthquake M 5.3 in Tonga on 12/15/2017 12:12:09 PM

By Newsroom America Feeds at 15 Dec 2017

Global Disaster Alert and Coordination System M 5.3 in Tonga on 15 Dec 2017 12:12 UTC

GDACS Alert based on "Earthquake Parameter" alerting model

Population Density near epicenter (people/km2). Image area: 6x4 decimal degrees (approx. 650x450km2).

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

Earthquake Magnitude: M5.3Depth: 10 KmEvent Date UTC: 15 Dec 2017 12:12Exposed Population: About 18000 people within 100km

Whether international humanitarian aid is needed must be decided by an expert.

See the GDACS website for live news coverage (including OCHA Situation Reports), the full earthquake report

For information on emergency response, please consult the GDACS Virtual OSOCC.

Earthquake Event Impact Details

The earthquake happened off shore, near Tonga, of Tonga (population 98,000). The distance to the nearest coast is 88km.

The following vulnerable infrastructure is nearby and may be affected.

For logistics, the following access points are nearby. The nearest airports are Eua Kaufana (68km), and Fua'amotu International (runway 8700ft, 91km). The nearest ports are Eua Island (67km).

The population near the earthquake is shown in the table below.

Radius Population Density (people/km2) 75 km 5100 people 0 50 km no people 0 20 km no people 0 10 km no people 0


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. Please refer to the GDACS website for subscribing or unsubscribing from the earthquake alert email or SMS service.

Joint Initiative of the United Nations and the European Commission Email created automatically at 15 Dec 2017 12:37 UTC. Reproduction authorised provided the source is acknowledged.
©European Commission 2004-2017


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