M 5.09 in United States on 10 Aug 2016 02:57 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: 5.1M
Depth: 14.41 Km
Lat/Lon: 39.3295 , -122.802
Event Date: 10 Aug 2016 02:57 UTC
09 Aug 2016 19:57 Local
Exposed Population:
434278 people within 100km
Source: NCAL SS nc72672610
Inserted at: 10 Aug 2016 07:57 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NCAL SS 0 0
nc72672610 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
1136199 0 10 Aug 2016 02:57 4.99M, 18.52km 3.41 480 thousand (in 100km) 00:08 NCAL SS
1136204 0 10 Aug 2016 02:57 5.09M, 18.52km 3.43 480 thousand (in 100km) 00:35 NCAL SS
1136221 0 10 Aug 2016 02:57 5.09M, 14.41km 3.43 430 thousand (in 100km) 04:59 NCAL SS
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 Parramore Springs, Wild Bill Place, Three Crossing, Bonnie View, Fouts Springs, Enterprise, Vann, Bartlett Springs, Rose Place, and Rice Fork Summer Homes.

Radius Population
100 km 480000 people
75 km 150000 people
50 km 82000 people
20 km <1000 people
10 km no people
5 km no 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
Parramore Springs California United States Village - 7 km
Wild Bill Place California United States Village - 9 km
Three Crossing California United States Village - 11 km
Bonnie View California United States Village - 12 km
Fouts Springs California United States Village - 12 km
Enterprise California United States Village - 15 km
Vann California United States Village - 15 km
Bartlett Springs California United States Village - 16 km
Rose Place California United States Village - 17 km
Rice Fork Summer Homes California United States Village - 17 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
Gravelly Valley 579 0 21 km
Sutter Lakeside Hospital 427 0 25 km
Diamond M Ranch 395 0 33 km
Ferndale Resort 404 0 35 km
Lampson 421 0 37 km
Konocti - Clear Lake 404 0 37 km
Ukiah Municipal UKI 188 Civ. Paved Yes 4400 41 km
Antelope Valley Ranch 162 0 42 km
Redbud Community Hospital 429 0 45 km
Paul Hoberg 634 0 50 km
Ells Field Willits Municipal 626 0 52 km
Moller 26 0 52 km
Willows Glenn County WLW 42 Civ. Paved Yes 4500 54 km
Smudgeo Nr 1 1144 0 59 km
Noltas 44 0 59 km
Gunnersfield Ranch 19 0 60 km
Boonville 113 0 61 km
Cloverdale Municipal 83 0 62 km
Davis 14 0 66 km
Round Valley 437 0 67 km
7-m Ranch 351 0 68 km
Mc Cabe Ranch 20 0 69 km
Colusa County 14 0 71 km
Haigh Field 66 0 72 km
Mysterious Valley 430 0 73 km
Healdsburg Municipal 85 0 74 km
Farnsworth Ranch Airstrip 15 0 78 km
Rancho Tehama 168 0 85 km
Ocean Ridge 287 0 85 km
Pope Valley 188 0 85 km
Big Bluff Ranch 271 0 87 km
G3 Ranch 110 0 87 km
Virgil O Parrett Field 563 0 87 km
The Sea Ranch 110 0 87 km
Corning Municipal 89 0 88 km
St. Helena Fire Dept. 94 0 88 km
Sonoma County STS 38 Civ. Paved Yes 5100 89 km
Lake Berryessa 134 0 92 km
Santa Rosa Memorial Hospital 63 0 97 km
Santa Rosa Air Center 30 0 100 km

Dams

Reservoir Dam Name River Year Distance
Lake Pillsbury Scott Eel River 1921 18 km
East Park Little Stony Creek 1910 25 km
Indian Valley North Fork of Cache Creek 1975 34 km
Lake Mendocino Coyote Valley Dam East Fork of Russian River 1959 36 km
Stony Gorge Stony Gorge Stony Creek 1928 38 km
Black Butte Lake Black Butte Dam Stoney Creek 1963 68 km
Lake Sonoma Warm Springs Dam Dry Creek 1982 69 km

More information

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