Discounted Aerial Measurements

California Earthquake

/ Categories: Earthquakes

Date: Sun, 24 Aug 2014 10:20:44 UTC

Lat/Lon: 38.2153/-122.318 Depth: 10.7

State of Emergency Declared

CEA Info Page for Adjusters:

378 Adjusters Currently List that they have Earthquake Certification - click here to view the list

News Stories:

  1. Napa Earthquake causes injuries, extensive damage
  2. Napa restaurants assess the Northern California earthquake damage
  3. Tweeter tweets #Earthquake news and other info
  4. Earthquake: Insurers report policyholders already submitting claims for damages
    1. Quote from the above article
      1. "The California Earthquake Authority estimates that about 15,000 of its policyholders may have experienced moderate to strong shaking from the M6 American Canyon earthquake that struck near Napa, Sunday morning.
      2. "We are sad to learn about the injuries to people, and about the damage to properties caused by this earthquake," said CEA CEO Glenn Pomeroy. "The CEA is ready to pay claims for residential damage from this event. CEA policyholders with damage should contact their home insurance company to file a claim as soon as possible."
      3. "It's still too early to know how much damage has occurred to homes in the affected area," Pomeroy said. "We'll have more information available to us during the next few days."
      4. CEA coverage includes $1,500 for emergency repairs, which can help its policyholders take steps to repair damage and secure their property to avoid further damage.

Selected Cities Exposed from GeoNames Database of Cities with 1,000 or more residents. 

MMI   -City   -Population 

  • VIII Napa 77k 
  • VII American Canyon 19k 
  • VII Sonoma 11k 
  • VII El Verano 4k 
  • VII Temelec 1k 
  • VII Yountville 3k 
  • IV Sacramento 466k 
  • IV Stockton 292k 
  • IV Oakland 391k 
  • IV San Francisco 805k 
  • III Fremont 214k 

The highest MMI (Modified Mercalli Intensity) value on the above map is a VIII on the MMI Scale which is listed as;

Very Strong  Moderate Damage Steering of cars affected. Extensive damage to unreinforced  masonry buildings, including partial collapse. Fall of some masonry walls. Twisting, falling of chimneys and monuments. Wood-frame houses moved on foundations if not bolted; loose partition walls thrown out. Tree branches broken.

The above is based on information from the USGS website.

8/27 Update, from the latest FEMA Daily Operations Briefing

South Napa Earthquake – CA (Final)

•At 6:20 a.m. EDT, August 24, 2014, a M6.0 earthquake occurred 6 miles SSW of Napa, CA at a depth of 6.7 miles 

  • Impacts:
    • 100 buildings Red tagged (uninhabitable); 500 yellow tagged (moderate damage/limited habitability) by the city of Napa
    • Temporary Air Traffic Control Tower was delivered to the Napa Airport
    • 216 injuries reported in Napa County; 20 injuries in Solano County; no fatalities
    • Boil water order remains in effect for 500 residents; Initial tests are negative for contamination; 400 residents remain without water service
    • Two shelters open with 23 (+2) occupants (ARC 5:00 am. EDT, August 27) 
  • Local/State Response:
    • Governor declared State of Emergency Sunday, August 24
    • CA State EOC and County EOCs are Partially Activated (Daytime Only)
  • Federal Response:
    • Region IX RWC at Enhanced Watch; RRCC at Normal Operations
    • LNO remains deployed to CA EOC (day shift only)
    • National IMAT West remains deployed to CA EOC


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