Minor earthquake, 3.11 mag has occurred near Ferndale in California

A minor earthquake with magnitude 3.11 (ml/mb) was detected on Monday, 52 kilometers (32 miles) from Ferndale in California. Exact time and date of earthquake 25/09/17 / 2017-09-25 19:36:08 / September 25, 2017 @ 7:36 pm UTC/GMT. The 3.11-magnitude earthquake has occurred at 11:36:08 / 11:36 am (local time epicenter). Exact location of earthquake, longitude -124.7963333 West, latitude 40.3336678 North, depth = 4.59 km. The epicenter of the earthquake was roughly 4.59 km (3 miles) below the earth’s surface. Id of earthquake: nc72898876. Event ids that are associated: nc72898876.

Nearest cities/city/villages to epicentrum/hypocenter was Eureka, Fortuna (min 5000 pop). Earthquake epicenter was 75 km (46 miles) from Eureka (c. 27 200 pop), 62 km (38 miles) from Fortuna (c. 11 900 pop). Country/countries that might be effected, United States (c. 310 233 000 pop).

Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. In the past 24 hours, there have been one, in the last 10 days five, in the past 30 days five and in the last 365 days fourty-two earthquakes of magnitude 3.0 or greater that has struck near. There are an estimated 130,000 minor quakes in the world each year.

Questions or comments?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 52 km WSW of Ferndale, California.

More information

Parameter	Value	Description
Magnitude	3.11 mb	The magnitude for the event.
Longitude	-124.7963333° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	40.3336678° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	4.59 km	Depth of the event in kilometers.
Place	52km WSW of Ferndale, California	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2017-09-25 19:36:08	Time when the event occurred. UTC/GMT
Updated	2017-09-25 19:47:49	Time when the event was most recently updated. UTC/GMT
Timezone offset	-480	Timezone offset from UTC in minutes at the event epicenter.
Felt	2	The total number of felt reports
CDI	2	The maximum reported intensity for the event.
MMI		The maximum estimated instrumental intensity for the event.
Alert Level		The alert level from the PAGER earthquake impact scale. Green, Yellow, Orange or Red.
Review Status	automatic	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	149	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	80	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.4437	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	2.97 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	244	The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type	ml	The method or algorithm used to calculate the preferred magnitude for the event.
Event Type	earthquake	Type of seismic event.
Event ID	nc72898876	Id of event.
Event Code	72898876	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,nc72898876,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 3.11 mag has occurred near Ferndale in California

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