M 6.7 in Guam on 17 Sep 2014 06:14 UTC

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: 6.7M
Depth: 136.7 Km
Lat/Lon: 13.76 , 144.4
Event Date: 17 Sep 2014 06:14 UTC
17 Sep 2014 16:14 Local
Exposed Population: 170000 people within 100km
Source: NEIC
Inserted at: 17 Sep 2014 07:30 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake Tsunami GDACS score
NEIC -0.5 0 0.5
Scaled population (vector) Max wave scenario 0m  
  C1 earthquake Max wave realtime 0m  
  C2 earthquake      
  Country Vulnerability      
  INFORM_normalised      
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
1060467 0 17 Sep 2014 06:14 6.8M, 166km N/A 180 thousand (in 100km) 0m (at 00:00) 00:06 GEOFON
1060468 0 17 Sep 2014 06:14 7.1M, 171.6km N/A 180 thousand (in 100km) 0m (at 00:00) 00:10 USGS
1060469 0 17 Sep 2014 06:14 7.1M, 171.6km N/A 180 thousand (in 100km) 0m (at 00:00) 00:15 NEIC
1060472 0.5 17 Sep 2014 06:14 7.1M, 133.86km N/A 180 thousand (in 100km) 0m (at 00:00) 00:24 NEIC
1060476 0.5 17 Sep 2014 06:14 6.7M, 136.7km N/A 180 thousand (in 100km) 0m (at 00:00) 01:15 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 Guam ,of Guam (population 140,531) . The alertlevel for this event is Green

Intensity Population
140000 people


Shakemaps Timeline

AlertShake id #ScoreepisodeidLat/LonMagnitudeDepthMax MMIDate shake (UTC)Delay (hh:mm) 
1 0 1060476 13.76/144.4 6.7 136.7 0 17 Oct 2016 10:10 761d 03:55 (new episode)

Affected Provinces

Intensity Region Province Country Population
Guam Guam 140000 people

Affected populated places. Areas of interest

Intensity Name Region Province Country City class Population Distance
Agana Guam Capital 1000 people 50 km
Hagåtña Guam Capital 1000 people 50 km
Agaña Guam Capital 1000 people 50 km
Mongmong Guam Village 3700 people 50 km
Sinajana Guam Village 2100 people 50 km
Tamuning Guam Village 11000 people 51 km
Dededo Guam Village 3300 people 52 km
Barrigada Guam Village 4700 people 54 km
Camp Quezon Guam Village - 56 km
Yona Guam Village 2300 people 56 km
Upi Guam Village - 57 km
Ylig Guam Village - 57 km
Umatac Guam Village - 59 km
Asatdas Guam Village - 59 km
Talofofo Guam Village 2700 people 59 km
Merizo Guam Village 1700 people 62 km
Inarajan Guam Village <1000 people 65 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
A.B. Won Pat International GUM 91 0 53 km
Andersen AFB UAM 191 0 60 km

Ports

Intensity Name LOCODE Country Distance
Rota Northern Mariana Islands 91 km

More information

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