Dec 20 M 6.4 Earthquake, Humboldt County
Page Last Updated: December 20, 2022
Information per USGS
Mainshock: December 20, 2022 at 2:34am pacific time, 15km (9.3 miles) WSW of Ferndale, CA
Map on the right shows recent earthquakes with estimated shaking intensity. Events are updated as frequently as every 5 minutes. Events over the with magnitude 4.5 or above within the last 30 days are shown. Events with a magnitude less than 4.5 are retained for 7 days on the map. (source ESRI Recent Earthquakes Map)
Latitude / Longitude Used: 40.525000, -124.423000 (epicenter)
50 Miles Radius Zip Codes: 95536, 95551, 95562, 95540, 95547, 95537, 95558, 95503, 95564, 95534, 95565, 95545, 95501, 95528, 95502, 95524, 95549, 95518, 95521, 95571, 95569, 95554, 95550, 95553, 95519, 95542, 95560, 95525, 95589, 95559, 95526, 95514, 95570, 95511, 95563, 96046
50 Miles Radius Towns/Cities: Ferndale, Loleta, Rio Dell, Fortuna, Hydesville, Fields Landing, Petrolia, Eureka, Samoa, Cutten, Scotia, Honeydew, Carlotta, Bayside, Kneeland, Arcata, Weott, Redcrest, Myers Flat, Korbel, Miranda, Mckinleyville, Garberville, Redway, Blue Lake, Whitethorn, Phillipsville, Bridgeville, Blocksburg, Trinidad, Alderpoint, Salyer, Hyampom
Zip Code & Town/City information pulled from FreeMapTools – Find ZIP Codes Inside a Radius
Jump to Section: Infrastructure Links Weather County Links & Social Media Feeds
USGS Latest Earthquake – Past 1 Day
USGS Latest Earthquake – Past 7 Days
December 20 M 6.4 Earthquake Links: Overview Interactive Map PAGER Ground Failure Aftershock Forecast
Humboldt County Current Emergency Response Page
Earthquake Engineering Research Institute’s – Ferndale California Earthquake Clearinghouse Site
Humboldt County Economic Impacts & Recovery
Residents are encouraged to report earthquake damages to the Humboldt County Office of Emergency Services via their damage report form.
Additional County Information Links are towards the bottom with the social media feeds
Evacuation & Shelter Information
Humboldt Area Foundation and Wild Rivers Community Foundation’s Disaster Response and Resilience Fund – The foundation serves the impacted Humboldt and the surrounding areas, including Fortuna, Ferndale, Loleta, Rio Dell, Bear River Rancheria, and Wiyot Tribe.
League of California Community Foundations’ Disaster Relief, Recovery, and Resilience Fund – the purpose of this fund is to provide a centralized opportunity for funders to invest in disaster relief, recovery and resilience through community foundations – trusted intermediaries who are deeply connected to affected communities.
The Humboldt County Sheriff’s Office of Emergency Services is not currently accepting material donations. T
Proclamations & Moratoriums
December 20, 2022 Governor Newsom proclaimed a State of Emergency for Humboldt County.
December 20, 2022 Humboldt County declares a local State of Emergency.
Average Number of Persons per Household (2017-2021):
Humboldt County: 2.48 Fortuna, CA: 2.52 State average: 2.92
Humboldt County Percent of Persons:
Under 5 Years: 4.9% Under 18 Years: 18.9% Over 65 Years: 19.2%
Fortuna, CA Percent of Persons:
Under 5 Years: 5.6% Under 18 Years: 22.7% Over 65 Years: 15.9%
Owner-occupied housing unit rate (2017-2021):
Humboldt County: 57.6% Fortuna, CA: 58.5% State average: 55.5%
Data from US Census Bureau (2021 data)
Note – unless otherwise noted, these are county demographics and local conditions may differ some.
Power & Gas
Poweroutage.us Humboldt County Outage List – This site provides aggregates live power outage data, though may not include some of the smaller local utilities.
CalTrans Check Current Highway Conditions
Caltrans District 1 Updates – covers the counties of Del Norte, Humboldt, Lake, and Mendocino (feed also viewable in social media section below)
CalTrans Truck Network Map for District 1
CalTrans Webcams – If CalTrans Webcam shows “Temporarily Unavailable” – This condition is caused by a problem communicating with the remote camera site to retrieve the picture (JPEG) image.
US-101 : South Of SR-36 – Looking North (C013)
US-101 : North Of SR-36 – Looking North (C003)
US-101 : Eureka / Spruce Point – Looking North (C023)
US-101: Eureka / Papa & Barkley – Looking North
US-101: Eureka / Henderson – Looking North
US-101: Eureka / 4th & H – Looking South
Jump to Section: Resource Links Infrastructure Links County Links & Social Media Feeds
National Weather Service Watches, Warnings, and Advisories
County Links & Social Media Feeds
Jump to Section: Resource Links Infrastructure Links Weather
Current Humboldt County Emergency Response
Consolidated County Nixle Feed
Humboldt County Sheriff Facebook
Humboldt County Sheriff Twitter
Humboldt County Emergency Plans
Humboldt Alert – Sign Up for Emergency Notifications