M 5.8 in Tonga on 20 Sep 2021 18:34 UTC

Event summary

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

GDACS ID EQ 1286467
Earthquake Magnitude: 5.8M
Depth: 10 Km
Lat/Lon: -21.086 , -173.7782
Event Date: 20 Sep 2021 18:34 UTC
20 Sep 2021 06:34 Local
Exposed Population: About 200 people in MMI>=IV
No people affected in 100km
Inserted at: 20 Sep 2021 18:53 UTC
INFORM Coping capacity : 1.1 (Tonga)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)
GDACS score
NEIC 0 0
us7000fcye Scaled population (raster) 0  
  C1 shakemap -0.59  
  C2 shakemap 0.53  
  Country Vulnerability 0  
  INFORM_normalised 1  
Maximum expected impact using different data sources.
Virtual OSOCC
Meteo assessment
Satellite products
Analytical products
Detailed event map. European Union, 2021. Map produced by EC-JRC.
The boundaries and the names shown on this map do not imply official endorsement or acceptance by the European Union.

Updates on volcanic activity (Smithsonian)

Latest media headlines

Articles: 191 | About casualties: 1 | Last hour: 0

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The epicenter was located 182 km (113 miles) WSW of Adak (population 332), Alaska, U.S., and 1 429 km (888 miles) ESE of Klyuchi, Russia. There are no people living within 100 km (62 miles). 1 000 people are estimated to have felt light sha
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US: Magnitude-6.1 offshore earthquake occurs near Adak, Alaska, Sept. ... 2021-09-24T14:58+0200.

Event. A magnitude-6.1 offshore earthquake occurred near Adak, Alaska, at around 03:52 Sept. 24. The epicenter was about 182 km (113 miles) west-southwest of Adak, Alaska. The tremor occurred at a depth of about 40 km (25 miles), and light
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PH new facility to increase earthquake detection capability2021-09-24T14:29+0200.

Inside Phivolcs Mindanao Cluster Monitoring Center for Earthquake and Tsunami in Davao City ( Photo courtesy of Phivolcs Director Renato Solidum, Jr.) MANILA The newly inaugurated Philippine Institute of Volcanology and Seismology (Phivolcs
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Estimated casualties (PAGER)

USGS estimates the number of casualties for each earthquake for the Prompt Assessment of Global Earthquakes for Response (PAGER) product.
The graph shows the current fatalities estimate.

Exposed population

Data, images, links, services and documents

For this events, GDACS has links to information from the following sources: EC-JRC (45), (2), NEIC (4), OCHA (1), INGV (1), WMO (1), USGS (5), INFORM (2),