M 4.7 in Guam on 22 Nov 2012 06:27 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: 4.7M
Depth: Km
Lat/Lon: 13.5484 , 144.585
Event Date: 22 Nov 2012 06:27 UTC
22 Nov 2012 16:27 Local
Exposed Population:
180000 people within 100km
Source: NEIC usc000dwvy
Inserted at: 22 Nov 2012 06:46 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0.5 0.5
usc000dwvy Scaled population (vector) n.a  
  C1 earthquake n.a  
  C2 earthquake n.a  
  Country Vulnerability n.a  
  INFORM_normalised n.a  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
121010 0.5 22 Nov 2012 06:27 4.7M, 131.4km N/A 180 thousand (in 100km) 00:18 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 143,173) . The nearest places are Lockwood Terrace, Piti, Asan, Camp Bright, Hagåtña, Santa Rita, Agat, Sinajana, Mongmong, Tamuning, and Lupog.

Radius Population
100 km 160000 people
75 km 160000 people
50 km 160000 people
20 km 24000 people
10 km no people
5 km no people
2 km no people

Affected Provinces

Region Province Country Population
Guam Guam 140000 people

Affected populated places

Name Region Province Country City class Population Distance
Lockwood Terrace Guam Village - 15 km
Piti Guam Village - 15 km
Asan Guam Village - 16 km
Camp Bright Guam Village - 17 km
Hagåtña Guam Capital 1000 people 20 km
Santa Rita Guam Village 1300 people 20 km
Agat Guam Village 4400 people 20 km
Sinajana Guam Village 2100 people 21 km
Mongmong Guam Village 3700 people 21 km
Tamuning Guam Village 11000 people 22 km
Harmon Village Guam Village - 24 km
Barrigada Guam Village 4700 people 25 km
Oceanview Guam Village - 26 km
Yona Guam Village 2300 people 26 km
Camp Quezon Guam Village - 26 km
Ylig Guam Village - 27 km
Dededo Guam Village 3300 people 27 km
South Acres Guam Village - 27 km
Talofofo Guam Village 2700 people 28 km
Asbeco Guam Village - 29 km
Umatac Guam Village - 29 km
Ipapao Guam Village - 30 km
Adacao Guam Village - 30 km
Potts Junction Guam Village - 30 km
Perez Acres Guam Village - 32 km
Spring Hill Subdivision Guam Village - 33 km
Merizo Guam Village 1700 people 33 km
Upi Guam Village - 34 km
Gayinero Guam Village - 34 km
Inarajan Guam Village <1000 people 35 km
Asatdas Guam Village - 35 km
Lupog Guam Village - 35 km

see full list

Critical infrastructure

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

Airports

Name IATA Code Elevation (m) Usage Runway type IFR Runway Length (ft) Distance
A.B. Won Pat International GUM 91 0 24 km
Andersen AFB UAM 191 0 37 km
Rota I International ROP 185 Civ. Paved Yes 6000 99 km

Ports

Name LOCODE Country Distance
Apra Harbor Guam 12 km
Apra (Agana) GUAPR Guam 15 km
Rota Northern Mariana Islands 89 km

More information

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