Light earthquake, 4.27 mag was detected near Ferndale in CA

A light earthquake magnitude 4.27 (ml/mb) strikes 107 km WNW of Ferndale, CA (66 miles) on Friday. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The 4.27-magnitude earthquake was detected at 19:12:45 / 7:12 pm (local time epicenter). Event id: nc72963436. Ids that are associated to the earthquake: nc72963436. Global date and time of event UTC/GMT: 03/02/18 / 2018-02-03 03:12:45 / February 3, 2018 @ 3:12 am. The epicenter was at a depth of 6.62 km (4 miles). Exact location of earthquake, longitude -125.4986649 West, latitude 40.7869987 North, depth = 6.62 km.

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been one, in the last 10 days six, in the past 30 days eight and in the last 365 days fourty-one earthquakes of magnitude 3.0 or greater that have been detected in the same area. Each year there are an estimated 13,000 light earthquakes in the world.

Questions or comments?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 107 km WNW of Ferndale, CA.

CA Ferndale

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Parameter	Value	Description
Magnitude	4.27 mb	The magnitude for the event.
Longitude	-125.4986649° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	40.7869987° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	6.62 km	Depth of the event in kilometers.
Place	107km WNW of Ferndale, CA	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2018-02-03 03:12:45	Time when the event occurred. UTC/GMT
Updated	2018-02-03 03:22:30	Time when the event was most recently updated. UTC/GMT
Timezone offset	-480	Timezone offset from UTC in minutes at the event epicenter.
Felt	1	The total number of felt reports
CDI	1	The maximum reported intensity for the event.
MMI	1	The maximum estimated instrumental intensity for the event.
Alert Level	green	The alert level from the PAGER earthquake impact scale. Green, Yellow, Orange or Red.
Review Status	reviewed	Indicates whether the event has been reviewed by a human.
Tsunami	0	This flag is set to "1" for large events in oceanic regions and "0" otherwise. The existence or value of this flag does not indicate if a tsunami actually did or will exist.
SIG	281	A number describing how significant the event is. Larger numbers indicate a more significant event.
Network	nc	The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources	,nc,	A comma-separated list of network contributors.
Number of Stations Used	119	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.9369	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.25 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	238	The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type	mw	The method or algorithm used to calculate the preferred magnitude for the event.
Event Type	earthquake	Type of seismic event.
Event ID	nc72963436	Id of event.
Event Code	72963436	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,nc72963436,	A comma-separated list of event ids that are associated to an event.

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Light earthquake, 4.27 mag was detected near Ferndale in CA

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