M 4.52 in United States on 22 Jan 2015 09:09 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: 9.509 Km
Lat/Lon: 41.8662 , -119.6309
Event Date: 22 Jan 2015 09:09 UTC
22 Jan 2015 01:09 Local
Exposed Population:
About 15250 people within 100km
Source: NEIC
Inserted at: 22 Jan 2015 09:53 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0 0
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
1070110 0 22 Jan 2015 09:09 4.7M, 1km N/A 20 thousand (in 100km) 00:05 NEIC
1070111 0 22 Jan 2015 09:09 4.7M, 1km N/A 20 thousand (in 100km) 00:06 USGS
1070112 0 22 Jan 2015 09:09 4.68M, 22.64km N/A 20 thousand (in 100km) 00:15 NEIC
1070113 0 22 Jan 2015 09:09 4.67M, 7.8292km N/A 20 thousand (in 100km) 00:25 NEIC
1070114 0 22 Jan 2015 09:09 4.52M, 9.509km 4.21 20 thousand (in 100km) 00:43 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 United States , State of California (population 30,971,320) . The nearest places are and Fort Bidwell.

Radius Population
100 km 16000 people
75 km 14000 people
50 km 6900 people
20 km <1000 people
10 km <1000 people
5 km <1000 people
2 km <1000 people

Affected Provinces

Region Province Country Population
California United States 31 million people
Oregon United States 3 million people
Nevada United States 1.3 million people

Affected populated places

Name Region Province Country City class Population Distance
Fort Bidwell California United States Village - 7 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
Fort Bidwell 1403 7 km
Catalina Island Two Harbors TWH unknown 25 km

Dams

Reservoir Dam Name River Year Distance
Greaser Lake Greaser Lake Twenty Mile Creek 1963 37 km

More information

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