M 4.79 in Canada on 30 Dec 2015 07:39 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: 4.8M
Depth: 52.521 Km
Lat/Lon: 48.5865 , -123.3003333
Event Date: 30 Dec 2015 07:39 UTC
29 Dec 2015 23:39 Local
Exposed Population:
3510575 people within 100km
Source: U WASH
Inserted at: 30 Dec 2015 17:06 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
U WASH 0.1 0.1
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
1113700 0.1 30 Dec 2015 07:39 4.8M, 42km N/A 3.5 million (in 100km) 00:05 NTWC    
1113702 0.2 30 Dec 2015 07:39 4.9M, 58.74km N/A 3.5 million (in 100km) 00:08 U WASH
1113705 0.1 30 Dec 2015 07:39 4.8M, 50.561km 3.54 3.5 million (in 100km) 00:23 U WASH
1113737 0.1 30 Dec 2015 07:39 4.79M, 52.521km 3.73 3.5 million (in 100km) 09:26 U WASH
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 Canada , Province of British Columbia (population 3,415,527) . The nearest places are Victoria, Cordova Bay, and Sidney.

Radius Population
100 km 3.5 million people
75 km 2.1 million people
50 km 460000 people
20 km 250000 people
10 km 31000 people
5 km <1000 people
2 km <1000 people

Affected Provinces

Region Province Country Population
British Columbia Canada 3.4 million people
Washington United States 5.1 million people

Affected populated places

Name Region Province Country City class Population Distance
Sidney British Columbia Canada City 12000 people 9 km
Cordova Bay British Columbia Canada Village - 10 km
Victoria British Columbia Canada Major city 290000 people 18 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
Victoria YYJ 19 Civ. Paved Yes 7000 10 km
Stuart Island West 61 11 km
Roche Harbor RCE 30 12 km
Bedwell Harbor YBW unknown 17 km

Ports

Name LOCODE Country Distance
Sidney Canada 8 km
Roche Harbour Wake Island 10 km
Bamberton CABAM Canada 16 km
Victoria CAVIC Canada 19 km

Dams

Reservoir Dam Name River Year Distance
Sooke Lake Sooke Lake 1969 31 km

More information

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