M 5.1 in Tonga on 19 Jan 2026 06:42 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 1520168
Earthquake Magnitude: 5.1M
Depth: 94.2 Km
Lat/Lon: -16.223 , -173.7599
Event Date: 19 Jan 2026 06:42 UTC
18 Jan 2026 18:42 Local
Exposed Population:
1 thousand in MMI IV
Inserted at: 19 Jan 2026 07:11 UTC
INFORM Coping capacity:
1.1 (Tonga)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Rapid Impact)		 GDACS score
NEIC 0 0
us7000rqit Scaled population (vector) 0  
  C1 rapid impact 0  
  C2 rapid impact 0  
  Country Vulnerability 0  
  INFORM_normalised 0  
Maximum expected impact using different data sources.
Virtual OSOCC
Meteo assessment
Satellite products
Analytical products
Detailed event map. European Union, 2026. 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

Urgent: 5.1-magnitude quake hits Tonga Islands -- GFZ 1/19/2026 8:03:00 AM.

BEIJING, Jan. 19 (Xinhua) -- An earthquake with a magnitude of 5.1 jolted Tonga Islands at 0642 GMT on Monday, the GFZ German Research Centre for Geosciences said. The epicenter, with a depth of 90.8 km, was initially determined to be at 16
...(more)
Urgent: 5.1-magnitude quake hits Tonga Islands -- GFZ 1/19/2026 8:01:00 AM.

BEIJING, Jan. 19 (Xinhua) -- An earthquake with a magnitude of 5.1 jolted Tonga Islands at 0642 GMT on Monday, the GFZ German Research Centre for Geosciences said. The epicenter, with a depth of 90.8 km, was initially determined to be at 16
...(more)
Urgent: 5.1-magnitude quake hits Tonga Islands -- GFZ 1/19/2026 7:50:00 AM.

BEIJING, Jan. 19 (Xinhua) -- An earthquake with a magnitude of 5.
Urgent: 5.1 magnitude quake hits Tonga Islands GFZ 1/19/2026 7:34:00 AM.

BEIJING, Jan. 19 (Xinhua) -- An earthquake with a magnitude of 5.1 jolted Tonga Islands at 0642 GMT on Monday, the GFZ German Research Centre for Geosciences said. The epicenter, with a depth of 90.8 km, was initially determined to be at 16
...(more)

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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), NEIC (4), OCHA (1), WMO (1), (2), INFORM (2), USGS (2),