M 5.7 in United States on 22 Sep 2017 19:50 UTC
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: 5.7M
Depth: 11.01 Km
Lat/Lon: 40.4144 , -126.8342
Event Date: 22 Sep 2017 19:50 UTC
22 Sep 2017 11:50 Local
Exposed Population: No people within 100km
Source: NEIC us2000atbf
Inserted at: 23 Sep 2017 15:22 UTC
INFORM Coping capacity of the alert score: 1.1 (United States)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)
GDACS score
NEIC 0 0
us2000atbf Scaled population (vector) 0  
  C1 shakemap 0  
  C2 shakemap 0  
  Country Vulnerability 0  
  INFORM_normalised 0  
Maximum expected impact using different data sources.

ShakeMap is a product of the USGS Earthquake Hazards Program in conjunction with the regional seismic networks. ShakeMaps provide near-real-time maps of ground motion and shaking intensity following significant earthquakes.


Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1181564 0 22 Sep 2017 19:50 5.8M, 12km N/A No people affected (in 100km) 00:03 NTWC    
1181565 0 22 Sep 2017 19:50 4.65M, 4.63km N/A N/A (in MMI>=VII) 00:04 NCAL SS
1181567 0 22 Sep 2017 19:50 5.56M, 4.63km 1.32 N/A (in MMI>=VII) 00:08 NCAL SS
1181568 0 22 Sep 2017 19:50 5.7M, 9.09km 3.3 N/A (in MMI>=VII) 00:17 NEIC
1181569 0 22 Sep 2017 19:50 5.7M, 15.07km 3.03 N/A (in MMI>=VII) 01:13 NEIC
1181658 0 22 Sep 2017 19:50 5.7M, 11.01km 2.95 N/A (in MMI>=VII) 19:31 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 ,of California (population 32,368) . The alertlevel for this event is GREEN

Intensity Population
no people
no people


Shakemaps Timeline

AlertShake id #ScoreepisodeidLat/LonMagnitudeDepthMax MMIDate shake (UTC)Delay (hh:mm) 
1 0 1181565 0/0 N/A N/A N/A 22 Sep 2017 19:56 00:05 (new episode)
2 0 1181567 0/0 N/A N/A N/A 22 Sep 2017 19:59 00:08 (new episode)
3 0 1181567 0/0 N/A N/A N/A 22 Sep 2017 20:01 00:10 (upd of #2)
4 0 1181568 40.442/-126.667 5.7 9.09 3.3 22 Sep 2017 20:10 00:20 (new episode)
5 0 1181568 40.442/-126.667 5.7 9.09 3.3 22 Sep 2017 20:52 01:02 (upd of #4)
6 0 1181569 40.442/-126.667 5.7 9.09 3.3 22 Sep 2017 21:04 01:14 (new episode)
7 0 1181569 40.416/-126.828 5.7 15.07 3.03 22 Sep 2017 21:06 01:16 (upd of #6)
8 0 1181569 40.416/-126.828 5.7 15.07 3.03 22 Sep 2017 21:53 02:03 (upd of #7)
9 0 1181658 40.416/-126.828 5.7 15.07 3.03 23 Sep 2017 15:22 19:31 (new episode)
10 0 1181658 40.414/-126.834 5.7 11.01 2.95 23 Sep 2017 15:24 19:34 (upd of #9)

Affected Provinces

Intensity Region Province Country Population
California United States 32000 people
Oregon United States 2300 people

Affected populated places. Areas of interest

Intensity Name Region Province Country City class Population Distance
Petrolia California United States Village - 217 km
Loleta California United States Village - 223 km
Fortuna California United States Village 10000 people 229 km
Rohnerville California United States Village - 230 km
Honeydew California United States Village - 232 km
Scotia California United States Village - 232 km
Rio Dell California United States Village 3200 people 233 km
Shively California United States Village - 245 km
Weott California United States Village - 248 km
Whitethorn California United States Village - 250 km
Briceland California United States Village - 252 km
Miranda California United States Village - 257 km
Garberville California United States Village - 261 km
Piercy California United States Village - 263 km
Requa California United States Village - 265 km
Rockport California United States Village - 268 km
Leggett California United States Village - 273 km
Brookings Oregon United States Village 5400 people 281 km
Fort Bragg California United States Village 7000 people 281 km
Caspar California United States Village - 283 km
Carpenterville Oregon United States Village - 290 km
Little River California United States Village - 290 km
Pistol River Oregon United States Village - 292 km

see full list


Critical infrastructure

Airports, ports, nuclear plants and hydrodams at risk, if affected, are listed below.

Airports

Intensity Name IATA Code Elevation (m) Usage Runway type IFR Runway Length (ft) Distance
Rohnerville 119 Civ. Paved Yes 4000 230 km
Shelter Cove 21 0 239 km
Kneeland 834 0 248 km
Garberville 166 0 260 km
Brookings State BOK 140 0 282 km
Little River 174 0 293 km

Ports

Intensity Name LOCODE Country Distance
Cape Mendocino Wake Island 207 km
Brookings Wake Island 283 km

More information

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