Minor earthquake: M2.87 quake has struck near Ferndale in California

A minor earthquake with magnitude 2.87 (ml/mb) was reported 231 km W of Ferndale, California (144 miles) on Friday. Exact location of event, longitude -126.9836667 West, latitude 40.3995 North, depth = 16.96 km. The 2.87-magnitude earthquake was detected at 13:53:16 / 1:53 pm (local time epicenter). The earthquake occurred at a depth of 16.96 km (11 miles) below the earth’s surface. All ids that are associated to the event: nc72897086. Unique identifier: nc72897086. Exact time and date of earthquake 22/09/17 / 2017-09-22 21:53:16 / September 22, 2017 @ 9:53 pm UTC/GMT.

In the past 24 hours, there have been four, in the last 10 days four, in the past 30 days five and in the last 365 days twenty-five earthquakes of magnitude 3.0 or greater that has struck near. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. Each year there are an estimated 1,300,000 minor earthquakes in the world.

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Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home and country. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 231 km W of Ferndale, California.

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Parameter	Value	Description
Magnitude	2.87 mb	The magnitude for the event.
Longitude	-126.9836667° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	40.3995° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	16.96 km	Depth of the event in kilometers.
Place	231km W 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	2017-09-22 21:53:16	Time when the event occurred. UTC/GMT
Updated	2017-09-23 02:27:04	Time when the event was most recently updated. UTC/GMT
Timezone offset	-480	Timezone offset from UTC in minutes at the event epicenter.
Felt		The total number of felt reports
CDI		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	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	127	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	5	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	2.064	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.15 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	357	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	nc72897086	Id of event.
Event Code	72897086	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,nc72897086,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake: M2.87 quake has struck near Ferndale in California

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