M 4.5 in Guam on 11 Dec 2016 09:47 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: 4.5M
Depth: 51.64 Km
Lat/Lon: 13.5058 , 145.0722
Event Date: 11 Dec 2016 09:47 UTC
11 Dec 2016 19:47 Local
Exposed Population:
162777 people within 100km
Source: NEIC us20008027
Inserted at: 11 Dec 2016 22:58 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0 0
us20008027 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
1150224 0 11 Dec 2016 09:47 4.5M, 51.64km N/A 160 thousand (in 100km) 13:10 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 Lupog, Gayinero, Asatdas, Perez Acres, Spring Hill Subdivision, Upi, Ipapao, Adacao, Potts Junction, South Acres, and Merizo.

Radius Population
100 km 160000 people
75 km 160000 people
50 km 160000 people
20 km 6200 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
Lupog Guam Village - 18 km
Gayinero Guam Village - 19 km
Asatdas Guam Village - 19 km
Perez Acres Guam Village - 20 km
Spring Hill Subdivision Guam Village - 21 km
Upi Guam Village - 21 km
Ipapao Guam Village - 23 km
Adacao Guam Village - 24 km
Potts Junction Guam Village - 25 km
South Acres Guam Village - 26 km
Asbeco Guam Village - 26 km
Dededo Guam Village 3300 people 26 km
Oceanview Guam Village - 28 km
Harmon Village Guam Village - 29 km
Camp Quezon Guam Village - 30 km
Barrigada Guam Village 4700 people 30 km
Tamuning Guam Village 11000 people 32 km
Mongmong Guam Village 3700 people 34 km
Yona Guam Village 2300 people 34 km
Sinajana Guam Village 2100 people 35 km
Hagåtña Guam Capital 1000 people 36 km
Ylig Guam Village - 36 km
Talofofo Guam Village 2700 people 39 km
Asan Guam Village - 39 km
Piti Guam Village - 42 km
Inarajan Guam Village <1000 people 44 km
Santa Rita Guam Village 1300 people 46 km
Camp Bright Guam Village - 46 km
Lockwood Terrace Guam Village - 47 km
Agat Guam Village 4400 people 47 km
Umatac Guam Village - 50 km
Merizo Guam Village 1700 people 51 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
Andersen AFB UAM 191 0 18 km
A.B. Won Pat International GUM 91 0 30 km
Rota I International ROP 185 Civ. Paved Yes 6000 76 km

Ports

Name LOCODE Country Distance
Apra (Agana) GUAPR Guam 43 km
Apra Harbor Guam 49 km
Rota Northern Mariana Islands 70 km

More information

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