M 6.6 in Colombia from 25 May 2023 03:05 UTC to 03:05

Event summary

This earthquake is expected to have a low humanitarian impact based on the magnitude and the affected population and their vulnerability.

Earthquake Magnitude: 6.6M
Depth: 10 Km
Lat/Lon: 8.9 , -77.1
Event Date: 25 May 2023 03:05 UTC
24 May 2023 22:05 Local
Exposed Population: 9 thousand in MMI VI
Source: NTWC at00rv71xa
Inserted at: 25 May 2023 03:13 UTC
INFORM Coping capacity of the alert score: 1.1 (Colombia)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Rapid Impact)
Tsunami GDACS score
NTWC 0 0.2 0.2
at00rv71xa Scaled population (raster) 0 Max wave alert 0.21m  
  C1 rapid impact 0 Max wave realtime 0.21m  
  C2 rapid impact 0      
  Country Vulnerability 0      
  INFORM_normalised 0      
Maximum expected impact using different data sources.

The green area correspond to areas affected by strong shaking (MMI VI or higher) according to the simulation.


Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1507531 0 25 May 2023 03:05 6.6M, 10km 6.25 N/A (in MMI>=VII) 0.2m (at 00:28) 00:06 PTWC
1507532 0 25 May 2023 03:05 6.6M, 10km 6.22 N/A (in MMI>=VII) 0.2m (at 00:28) 00:07 NTWC
1507534 0 25 May 2023 03:05 6.6M, 10km 6.24 N/A (in MMI>=VII) 0.2m (at 00:17) 00:18 NEIC
1507690 0 25 May 2023 03:05 6.5M, 13km 6.12 N/A (in MMI>=VII) 0.1m (at 00:37) 1d 00:36 NEIC
The episode that generated the alert; the next major evaluations beyond 12 hours will not trigger additional alerts.
The episode that has the last updated information.
* The max MMI detected for sources having shakemaps;
** The population detected in MMI>=7 for episode with shakemap or in a 100km radius;
*** The tsunami max height.

Rapid Impact

The results presented below are calculated with the ShakeMap open source software (USGS) using only earthquake hypocenter information to provide a rapid estimation of the ground motion and shaking intensity without taking into account any instrumental observations or earthquake source scaling laws.

Exposed population

The earthquake happened in Colombia ,of Choco (population 363,180) . The alertlevel for this event is GREEN

Intensity Population
9400 people
510000 people

Affected Provinces

Intensity Region Province Country Population
Choco Colombia 1200 people
Antioquia Colombia 12000 people
Choco Colombia 4500 people
San Blas Panama 5400 people
Antioquia Colombia 32000 people
Darien Panama 1100 people
Choco Colombia no people
Darien Panama <1000 people

Affected populated places. Areas of interest

Intensity Name Region Province Country City class Population Distance
Acandí Chocó Colombia Village - 47 km
Mulatos Antioquia Colombia Village - 52 km
Sapzurro Choco Colombia Village - 39 km
Zepata Antioquia Colombia Village - 57 km
Damaquiel Antioquia Colombia Village - 58 km
Necoclí Antioquia Colombia Village 9700 people 62 km
San Juan Antioquia Colombia Village - 65 km
San Juancito Antioquia Colombia Village - 71 km
Los Carriles Antioquia Colombia Village - 76 km

see full list

Critical infrastructure

Airports, ports, nuclear plants and hydrodams at risk, if affected, are listed below.

Airports

Intensity Name IATA Code Elevation (m) Usage Runway type IFR Runway Length (ft) Distance
Acandi ACD 15 Civ. Unpaved No 3900 48 km
Mulatos ULS unknown 0 48 km
Capurgana CPB unknown 0 40 km
Puerto Obaldia PUE unknown 0 43 km
Necocli NCI unknown 0 61 km
San Juan de Uraba SJR unknown 0 65 km
Santa Maria SMC unknown 0 81 km

Ports

Intensity Name LOCODE Country Distance
Acandi Colombia 46 km
Pito Panama 48 km

More information

For a full list of available products related to this event, please refer to the GDACS Resources page.