M 4.6 in United States on 20 Nov 2014 06:26 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: 4.6M
Depth: 9 Km
Lat/Lon: 36.707 , -121.626
Event Date: 20 Nov 2014 06:26 UTC
19 Nov 2014 22:26 Local
Exposed Population:
2852027 people within 100km
Source: USGS at00nfbr8o
Inserted at: 20 Nov 2014 06:30 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
USGS 0 0
at00nfbr8o 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
1065194 0 20 Nov 2014 06:26 4.6M, 9km N/A 2.9 million (in 100km) 00:03 USGS
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 San Jose, Salinas, Natividad, and Bolsa Knolls.

Radius Population
100 km 2.9 million people
75 km 1.6 million people
50 km 720000 people
20 km 230000 people
10 km 170000 people
5 km 130000 people
2 km 23000 people

Affected Provinces

Region Province Country Population
California United States 31 million people

Affected populated places

Name Region Province Country City class Population Distance
Bolsa Knolls California United States Village - 3 km
Salinas California United States City 150000 people 4 km
Natividad California United States Village - 4 km
San Jose California United States Major city 890000 people 75 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
Natividad Medical Center 21 2 km
Salinas Municipal SNS 26 Civ. Paved Yes 5000 5 km
Fritzsche AAF OAR 41 Civ. Paved No 2900 12 km

Ports

Name LOCODE Country Distance
Moss Landing USMJN Wake Island 18 km
Moss USMJN Wake Island 18 km

Dams

Reservoir Dam Name River Year Distance
Uvas Uvas Creek 1957 40 km
Coyote Coyote Creek 1936 46 km

More information

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