M 4.9 in Tonga on 24 Jul 2026 17:14 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 1553812
Earthquake Magnitude: 4.9M
Depth: 50.7 Km
Lat/Lon: -20.3259 , -174.7728
Event Date: 24 Jul 2026 17:14 UTC
25 Jul 2026 06:14 Local
Exposed Population:
80 thousand in MMI>=III
Inserted at: 24 Jul 2026 17:34 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
us7000t35n 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

5.1-magnitude quake hits south of Tonga -- USGS 7/28/2026 5:37:00 AM.

BEIJING, July 28 (Xinhua) -- An earthquake with a magnitude of 5.1 jolted south of Tonga at 2312 GMT on Monday, the U.S. Geological Survey said. The epicenter, with a depth of 10 km, was initially determined to be at 24.78 degrees south lat
...(more)
5.1-magnitude quake hits south of Tonga -- USGS 7/28/2026 12:06:00 AM.

BEIJING, July 28 (Xinhua) -- An earthquake with a magnitude of 5.1 jolted south of Tonga at 2312 GMT on Monday, the U.S. Geological Survey said. The epicenter, with a depth of 10 km, was initially determined to be at 24.78 degrees south lat
...(more)
5.1 magnitude quake hits south of Tonga USGS 7/28/2026 12:02:00 AM.

BEIJING, July 28 (Xinhua) -- An earthquake with a magnitude of 5.1 jolted south of Tonga at 2312 GMT on Monday, the U.S. Geological Survey said. The epicenter, with a depth of 10 km, was initially determined to be at 24.78 degrees south lat
...(more)
5.1-magnitude quake hits south of Tonga -- USGS 7/28/2026 12:00:00 AM.

BEIJING, July 28 (Xinhua) -- An earthquake with a magnitude of 5.1 jolted south of Tonga at 2312 GMT on Monday, the U.S. Geological Survey said. The epicenter, with a depth of 10 km, was initially determined to be at 24.78 degrees south lat
...(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),