miércoles, 21 de febrero de 2018

Green alert: earthquake M 4.8 in Northern Mariana Islands on 2/21/2018 10:09:17 PM

M 4.8 in Northern Mariana Islands on 21 Feb 2018 22:09 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: M4.8
  • Depth: 10 Km
  • Event Date UTC: 21 Feb 2018 22:09
  • Exposed Population: No 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 off shore, near Northern Mariana Islands, of Northern Mariana Is. (population 60,963). The distance to the nearest coast is 159km.

The distance to the nearest coast is

The earthquake occurred more than 100km from land and is unlikely to affect vulnerable infrastructure directly.

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

Radius Population Density (people/km2)
75 km no people 0
50 km no people 0
20 km no people 0
10 km no people 0



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.