Minor earthquake, 2.93 mag was detected near Hayfork in CA

A minor earthquake magnitude 2.93 (ml/mb) has occurred on Wednesday, 39 kilometers (24 miles) from Hayfork in CA. The earthquake occurred at a depth of 43.42 km (27 miles). Global date and time of event UTC/GMT: 11/12/19 / 2019-12-11 16:55:21 / December 11, 2019 @ 4:55 pm. Exact location of earthquake, -123.0419998° West, 40.2181664° North, depth 43.42 km. All ids that are associated to the event: nc73313636. Unique identifier: nc73313636. The 2.93-magnitude earthquake has occurred at 08:55:21 / 8:55 am (local time epicenter).

Nearby country/countries that might be effected, United States (c. 310 233 000 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Shasta Lake, Red Bluff, Redding. Epicenter of the earthquake was 69 km (43 miles) from Redding (c. 89 900 pop), 69 km (43 miles) from Red Bluff (c. 14 100 pop), 77 km (48 miles) from Shasta Lake (c. 10 200 pop), 68 km (42 miles) from Anderson (c. 9 900 pop).

In the past 24 hours, there have been one, in the last 10 days five, in the past 30 days six and in the last 365 days twenty-nine earthquakes of magnitude 3.0 or greater that has occurred nearby. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. Each year there are an estimated 130,000 minor quakes in the world.

Questions or comments?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage 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: 39 km SSE of Hayfork, CA.

Anderson CA Hayfork Red Bluff Redding Shasta Lake United States

More information

Parameter	Value	Description
Magnitude	2.93 mb	The magnitude for the event.
Longitude	-123.0419998° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	40.2181664° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	43.42 km	Depth of the event in kilometers.
Place	39km SSE of Hayfork, CA	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2019-12-11 16:55:21	Time when the event occurred. UTC/GMT
Updated	2019-12-11 17:02:03	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	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	132	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	35	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.1986	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.16 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	69	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	nc73313636	Id of event.
Event Code	73313636	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,nc73313636,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 2.93 mag was detected near Hayfork in CA

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