M 5.5 in W. Caroline Islands, Micronesia on 17 Dec 2017 23:41 UTC

Hazard models

EQ parameters
Shakemap
Tsunami

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: 5.5M
Depth: 10 Km
Lat/Lon: 10.0395 , 140.1547
Event Date: 17 Dec 2017 23:41 UTC
18 Dec 2017 08:41 Local
Exposed Population: No people within 100km
Source: NEIC us2000c5hb
Inserted at: 17 Dec 2017 23:55 UTC
INFORM Coping capacity of the alert score: 1.1 ()

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)		 GDACS score
NEIC 0 0
us2000c5hb Scaled population (vector) 0  
  C1 shakemap 0  
  C2 shakemap 0  
  Country Vulnerability 0  
  INFORM_normalised 0  
Maximum expected impact using different data sources.

ShakeMap is a product of the USGS Earthquake Hazards Program in conjunction with the regional seismic networks. ShakeMaps provide near-real-time maps of ground motion and shaking intensity following significant earthquakes.


Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1191383 0 17 Dec 2017 23:41 5.5M, 10km 4.06 N/A (in MMI>=VII) 00:13 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.

Exposed population

The earthquake happened in unknowed a zone. The alertlevel for this event is GREEN

Intensity Population
no people
no people


Shakemaps Timeline

AlertShake id #ScoreepisodeidLat/LonMagnitudeDepthMax MMIDate shake (UTC)Delay (hh:mm) 
1 0 1191383 10.04/140.155 5.5 10 4.06 17 Dec 2017 23:57 00:16 (new episode)
2 0 1191383 10.04/140.155 5.5 10 4.06 18 Dec 2017 01:44 02:03 (upd of #1)

Affected Provinces



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
Ulithi ULI 2 0 40 km

Ports

Intensity Name LOCODE Country Distance
Fais Micronesia 50 km

More information

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