domingo, 20 de mayo de 2018

Green alert: earthquake M 4.6 in Colombia on 5/20/2018 11:17:40 AM

M 4.6 in Colombia on 20 May 2018 11:17 UTC


GDACS Alert based on "Earthquake Parameter" alerting model

Population Density near epicenter (people/km2). Image area: 6x4 decimal degrees (approx. 650x450km2).


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

  • Earthquake Magnitude: M4.6
  • Depth: 147.17 Km
  • Event Date UTC: 20 May 2018 11:17
  • Exposed Population: 1960000 people within 100km

Whether international humanitarian aid is needed must be decided by an expert.

See the GDACS website for live news coverage (including OCHA Situation Reports), the full earthquake report

For information on emergency response, please consult the GDACS Virtual OSOCC.


Earthquake Event

Impact Details

The earthquake happened inColombia, Department of Santander (population 1,692,940). The nearest places are Cepitá (3km), Pescadero (7km), Aratoca (2000 people , 8km), Morgatal (8km), San Miguel (8km), and 212 more.

The following vulnerable infrastructure is nearby and may be affected.

For logistics, the following access points are nearby. The nearest airports are Malaga (runway 3200ft, 31km), Zapatoca (31km), Palo Negro (runway 7400ft, 44km), Las Cruces (88km), Yariguies (runway 5900ft, 93km), and 1 more. There are no known ports nearby.

The population near the earthquake is shown in the table below.

Radius Population Density (people/km2)
75 km 1.5 million people 87
50 km 1.3 million people 174
20 km 54000 people 43
10 km 11000 people 36



While we try everything to ensure accuracy, this information is purely indicative and should not be used for any decision making without alternate sources of information. The JRC is not responsible for any damage or loss resulting from the use of the information presented on this website. Please refer to the GDACS website for subscribing or unsubscribing from the earthquake alert email or SMS service.