M 4.5 in United States on 14 Sep 2012 11:53 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: 23.7 Km
Lat/Lon: 40.4448 , -124.168
Event Date: 14 Sep 2012 11:53 UTC
14 Sep 2012 04:53 Local
Exposed Population:
130000 people within 100km
Source: NEIC nc71842075
Inserted at: 14 Sep 2012 12:01 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0.5 0.5
nc71842075 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
119617 0.5 14 Sep 2012 11:53 4.5M, 23.7km N/A 130 thousand (in 100km) 00:08 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 Hacketsville, Scotia, Metropolitan, Belleview, Rio Dell, Stafford, Alton, Elinor, Hydesville, Waddington, and Trinidad.

Radius Population
100 km 140000 people
75 km 130000 people
50 km 100000 people
20 km 20000 people
10 km 3100 people
5 km <1000 people
2 km no people

Affected Provinces

Region Province Country Population
California United States 31 million people

Affected populated places

Name Region Province Country City class Population Distance
Hacketsville California United States Village - 5 km
Scotia California United States Village - 7 km
Metropolitan California United States Village - 8 km
Belleview California United States Village - 8 km
Rio Dell California United States Village 3200 people 9 km
Stafford California United States Village - 9 km
Alton California United States Village - 11 km
Elinor California United States Village - 13 km
Hydesville California United States Village 1200 people 13 km
Waddington California United States Village - 14 km
Carlotta California United States Village - 14 km
Rohnerville California United States Village - 14 km
Pepperwood California United States Village - 15 km
Fortuna California United States Village 10000 people 16 km
Riverside Park California United States Village - 16 km
Petrolia California United States Village - 16 km
Capetown California United States Village - 16 km
Ferndale California United States Village 1400 people 17 km
Newburg California United States Village - 18 km
Arlynda Corners California United States Village - 18 km
Shively California United States Village - 18 km
Redcrest California United States Village - 19 km
Fernbridge California United States Village - 19 km
Port Kenyon California United States Village - 19 km
Holmes California United States Village - 20 km
Larabee California United States Village - 21 km
Honeydew California United States Village - 22 km
Loleta California United States Village - 23 km
South Fork California United States Village - 24 km
Weott California United States Village - 25 km
Beatrice California United States Village - 25 km
Camp Grant California United States Village - 26 km
Burlington California United States Village - 27 km
Westlund Place California United States Village - 27 km
Maple Grove California United States Village - 28 km
Southport Landing California United States Village - 29 km
Scott Place California United States Village - 29 km
Yager California United States Village - 31 km
Humboldt Hill California United States Village 3200 people 31 km
McCann California United States Village - 31 km
Fields Landing California United States Village - 31 km
Myers Flat California United States Village - 32 km
Pine Hills California United States Village 3100 people 32 km
Hunter Place California United States Village - 32 km
Lone Star Junction California United States Village - 32 km
Elk River California United States Village - 33 km
Bridgeville California United States Village - 33 km
Spruce Point California United States Village - 33 km
Fruitland California United States Village - 34 km
Whitlow California United States Village - 35 km
Bayview California United States Village 2400 people 36 km
Cutten California United States Village 2900 people 36 km
Freshwater California United States Village - 36 km
Ettersburg California United States Village - 37 km
Miranda California United States Village - 37 km
Kneeland California United States Village - 38 km
Fairhaven California United States Village - 38 km
Myrtletown California United States Village 4500 people 38 km
Eureka California United States City 26000 people 39 km
Eel Rock California United States Village - 41 km
The Springs California United States Village - 41 km
Brainard California United States Village - 41 km
Samoa California United States Village - 42 km
Indianola California United States Village - 42 km
Phillipsville California United States Village - 42 km
Maple Creek California United States Village - 43 km
Briceland California United States Village - 44 km
Brock Creek California United States Village - 44 km
Manila California United States Village - 45 km
Bayside California United States Village - 45 km
Thorn Junction California United States Village - 46 km
Sunny Brae California United States Village - 47 km
Dinsmores California United States Village - 48 km
Shelter Cove California United States Village - 48 km
Fickle Hill California United States Village - 48 km
Dinsmores California United States Village - 48 km
Arcata California United States City 17000 people 48 km
Pepperwood Springs California United States Village - 48 km
Blocksburg California United States Village - 49 km
Redway California United States Village 1200 people 50 km
Garberville California United States Village - 50 km
Alliance California United States Village - 50 km
Fort Seward California United States Village - 50 km
Korbel California United States Village - 51 km
Whitethorn California United States Village - 51 km
Blue Lake California United States Village 1100 people 52 km
Korblex California United States Village - 52 km
Glendale California United States Village - 52 km
Benbow California United States Village - 53 km
Tyee City California United States Village - 53 km
Steelhead California United States Village - 54 km
Janes Place California United States Village - 54 km
Fernwood California United States Village - 54 km
Beall Place California United States Village - 55 km
Calville California United States Village - 55 km
Mad River California United States Village - 56 km
McKinleyville California United States Village 14000 people 57 km
Alderpoint California United States Village - 57 km
Cooks Valley California United States Village - 59 km
Harris California United States Village - 59 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
Rohnerville 119 Civ. Paved Yes 4000 12 km
Kneeland 834 0 37 km
Eureka Municipal 6 0 38 km
Murray Field EKA 2 Civ. Paved Yes 3000 40 km
Shelter Cove 21 0 47 km
Dinsmore 724 0 48 km
Garberville 166 0 50 km
Arcata ACV 66 Civ. Paved Yes 5900 59 km
Hyampom 381 0 62 km
Hell'er High Water 760 0 74 km
Ruth 843 0 78 km
Hoopa 109 0 79 km
Silver Creek Ranch 765 0 79 km
Hayfork 707 0 84 km

Ports

Name LOCODE Country Distance
Cape Mendocino Wake Island 20 km
Fields Landing Wake Island 31 km
Eureka USEKA Wake Island 39 km

Dams

Reservoir Dam Name River Year Distance
Ruth Lake Robert W. Matthews Mad River 1962 63 km

Nuclear plants

Name Country Reactors Distance
HUMBOLDT BAY UNITED STATES 1 33 km

More information

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