M 5 in Tonga on 28 Oct 2021 06:03 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 1292810
Earthquake Magnitude: 5.0M
Depth: 10 Km
Lat/Lon: -22.8447 , -174.9461
Event Date: 28 Oct 2021 06:03 UTC
27 Oct 2021 18:03 Local
Exposed Population:
No people affected in 100km
Inserted at: 28 Oct 2021 06:26 UTC
INFORM Coping capacity:
1.1 (Tonga)


For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0 0
us7000fpce 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, 2023. 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: 8 | About casualties: 0 | Last hour: 0

Deep M6.0 earthquake hits Fiji region2021-10-21T11:37+0200.

The epicenter was located 695 km (431 miles) SW of Vaini, Tonga and 799 km (496 miles) S of Suva, Fiji. There are no people living within 100 km (62 miles). There is no tsunami threat from this earthquake. The USGS issued a Green alert for
Tonga: Magnitude-5.0 offshore earthquake occurs west of Nuku'alofa Oct ... 2021-10-19T13:49+0200.

Event. A magnitude-5.0 earthquake occurred in the South Pacific Ocean west of Nuku'alofa, Tonga at approximately 23:28 Oct. 19. The epicenter was about 59 km (36 miles) west of Haveluloto. The tremor occurred at a depth of about 10 km (6 mi
Earth’s inner core is less solid than previously thought2021-10-11T13:31+0200.

A new study published in the journal Physics of the Earth and Planetary Interiors has found that the Earth’s inner core is not completely solid and homogeneous as previously thought, but consists instead of a range of liquid, soft, and hard
Moderate magnitude 4.8 earthquake 101 km northeast of Pangai, Tonga2021-10-08T19:19+0200.

A magnitude 4.8 earthquake near Pangai, Ha'apai, Tonga, was reported only 24 minutes ago by the United States Geological Survey, considered one of the key international agencies that monitor seismic activity worldwide. The earthquake occurr

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),