M 4.6 in Tonga on 17 Dec 2021 07:34 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 1302108
Earthquake Magnitude: 4.6M
Depth: 285.01 Km
Lat/Lon: -16.3435 , -174.8574
Event Date: 17 Dec 2021 07:34 UTC
16 Dec 2021 19:34 Local
Exposed Population:
No people affected in 100km
Inserted at: 17 Dec 2021 07:56 UTC
INFORM Coping capacity:
1.1 (Tonga)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0 0
us6000gd1k Scaled population (vector) 0  
  C1 earthquake 1  
  C2 earthquake 0  
  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, 2025. 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

Panel estimates death tolls from possible massive quake in Japan 12/21/2021 7:37:00 AM.

TOKYO, Dec. 21 (Xinhua) -- A Japanese government panel said Tuesday in a report that a massive earthquake in one of two deep-sea trenches off the country's northeast coast may kill up to nearly 200,000 people. The government panel said tsun
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6.2-magnitude quake hits California ... 12/21/2021 7:30:00 AM.

San Francisco, Dec 21 (IANS) An earthquake measuring 6.2 on the Richter scale jolted California, the US Geological Survey (USGS) said. The quake struck 38 km west of Petrolia at 12.10 p.m. on Monday, reports Xinhua news agency citing the US
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Massive earthquake shakes Northern California, no tsunami expected – K.. 12/21/2021 7:22:00 AM.

A large earthquake shook Northern California Monday afternoon. According to the United States Geological Survey, a 6.2 magnitude earthquake struck off of the coast of Humboldt County at 12:10 p.m. Video Player: Canned food scattered outside
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Panel estimates death tolls from possible massive quake in Japan 12/21/2021 7:18:00 AM.

Contributed by NAMPA / Xinhua. TOKYO, Dec. 21 (Xinhua) -- A Japanese government panel said Tuesday in a report that a massive earthquake in one of two deep-sea trenches off the country's northeast coast may kill up to nearly 200,000 people.
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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 (41), (3), NEIC (4), OCHA (1), INGV (1), WMO (1), INFORM (2), USGS (2),