M 6.1 in Tonga Islands on 08 Oct 2017 14:04 UTC

Event summary

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

Earthquake Magnitude: 6.1M
Depth: 10 Km
Lat/Lon: -19.0132 , -175.5559
Event Date: 08 Oct 2017 14:04 UTC
Exposed Population: Few people within 100km
Source: NEIC us2000b2sv
Inserted at: 08 Oct 2017 14:25 UTC
INFORM Coping capacity: 1.1 ()

Gdacs Score

For more info on GDACS alert score click here.

ShakeMap is a product of the USGS Earthquake Hazards Program in conjunction with the regional seismic networks. ShakeMaps provide near-real-time maps of ground motion and shaking intensity following significant earthquakes.

Exposed population

The earthquake happened in Tonga ,of Tonga (population 98,000) . The alertlevel for this event is GREEN

Intensity Population
no people
no people

Shakemaps Timeline

AlertShakeScoreepisodeidLat/LonMagnitudeDepthMax MMIDate shake (UTC)Delay (hh:mm) 
1 0 1183257 -19.013/-175.556 6.1 10 3.83 08 Oct 2017 14:26 00:21 (new episode)
2 0.01 1183257 -19.013/-175.556 6.1 10 3.83 10 Oct 2017 09:31 1d 19:26 (upd of #1)
3 0.01 1183257 -18.995/-175.574 6.1 10 3.9 10 Oct 2017 13:32 1d 23:28 (upd of #2)

Affected Provinces

Intensity Region Province Country Population
Tonga Tonga 50000 people

Affected populated places

Intensity Name Region Province Country City class Population Distance
Pangai Tonga Village5 1700 people 154 km
Neiafu Tonga Village5 4200 people 170 km
Foui Tonga Village5 - 234 km
Nukunuku Tonga Village5 - 236 km
Nuku'alofa Tonga Capital 24000 people 238 km
Houma Tonga Village5 - 240 km
Kolonga Tonga Village5 - 241 km
Pea Tonga Village5 - 241 km
Niutoua Tonga Village5 - 243 km
Mua Tonga Village5 - 245 km
Fatumu Tonga Village5 - 248 km
Fuaamotu Tonga Village5 - 253 km
Ohonua Tonga Village5 1200 people 266 km

see full list

Critical infrastructure

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

Airports

Intensity Name IATA Code Elevation (m) Usage Runway type IFR Runway Length (ft)
Haapai HPA 12 Civ. Unpaved Yes 3900
Vavau International VAV 72 Civ. Unpaved Yes 5500
Fua'amotu International TBU 38 Civ. Paved Yes 8700
Eua Kaufana EUA unknown 0

Ports

Intensity Name LOCODE Country
Pangai TOPAN Tonga
Neiafu TONEI Tonga
Nuku'alofa TOTBU Tonga
Eua Island Tonga

More information

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