M 6.3 in Philippines on 12 Sep 2023 11:03 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 1391246
Earthquake Magnitude: 6.3M
Depth: 41.3 Km
Lat/Lon: 19.2687 , 121.2178
Event Date: 12 Sep 2023 11:03 UTC
12 Sep 2023 19:03 Local
Exposed Population: 8 thousand in MMI&>=V
Inserted at: 12 Sep 2023 11:21 UTC
INFORM Coping capacity:
4.2 (Philippines)


For more info on GDACS alert score click here.
Tsunami GDACS score
NEIC 0.3 0 0.3
us7000kv90 Scaled population (raster) 0 Max wave alert 0m  
  C1 shakemap 0.43 Max wave realtime 0m  
  C2 shakemap 0.27      
  Country Vulnerability 0      
  INFORM_normalised 0.89      
Maximum expected impact using different data sources.
Virtual OSOCC
Meteo assessment
Satellite products
Analytical products
Philippines - Earthquake (ECHO 13 Sep 2023)Wed, 13 Sep 2023 11:42

  • An earthquake of 6.3 M at a depth of 41 km  occurred in the Luzon Strait (between northern Philippines and southern Taiwan) on 12 September at 11.03 UTC (19.03 local time). The epicentre was located offshore close to the coast, approximately 18 km west of Calayan Island (southern Babuyan Islands) and 70 km north of the Claveria City (Cagayan Valley Region, far northern Phiippines).
  • USGS PAGER estimates that up to 14,000 people were exposed to strong shaking and up to 21,000 to moderate shaking.
  • According to media, the earthquake has been felt across the Babuyan Islands, the southern Batanes Islands and the far northern Luzon. As of 13 September, there are no reports of casualties and damage.
Philippines - Earthquake, update (ECHO 14 Sep 2023)Thu, 14 Sep 2023 10:55

  • After the earthquake of 6.3 M at a depth of 41 km occurred offshore in the Luzon Strait, close to the Calayan Island, southern Babuyan Islands, far northern Philippines, on 12 September at 11.03 UTC, casualties and damage were reported across the northern Cagayan Valley Region and the northern Ilocos Region.
  • The ASEAN Disaster Information Network (ADINet) reports, as of 14 September, five injured people, three damaged houses, 42 damaged schools and a total of around 175 affected people across the aforementioned regions, where the most affected area is the Cagayan Province in the northernmost Province of the Cagayan Valley Region.
Detailed event map. European Union, 2024. 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

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 (91), (5), NEIC (4), OCHA (1), INGV (1), WMO (2), USGS (5), INFORM (4), NOAA (1),