Minor earthquake: M2.99 quake has struck near Cottonwood in California

A minor earthquake magnitude 2.99 (ml/mb) strikes 5 kilometers (3 miles) from Cottonwood in California on Thursday. The epicenter was at a depth of 3.92 km (2 miles). Exact location of event, depth 3.92 km, -122.2191696° West, 40.3670006° North. The temblor was detected at 13:09:32 / 1:09 pm (local time epicenter). Unique identifier: nc72876580. Ids that are associated to the event: nc72876580. Date and time of earthquake in UTC/GMT: 24/08/17 / 2017-08-24 21:09:32 / August 24, 2017 @ 9:09 pm.

Close country/countries that might be effected, United States (c. 310 233 000 pop). Epicenter of the event was 28 km (18 miles) from Redding (c. 89 900 pop), 78 km (49 miles) from Chico (c. 86 200 pop), 21 km (13 miles) from Red Bluff (c. 14 100 pop), 37 km (23 miles) from Shasta Lake (c. 10 200 pop), 11 km (7 miles) from Anderson (c. 9 900 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Chico, Orland, Corning.

In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days two and in the last 365 days seven earthquakes of magnitude 3.0 or greater that has struck near. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. Every year there are an estimated 130,000 minor earthquakes 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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 5 km ESE of Cottonwood, California. This information comes from the USGS Earthquake Notification Service.

More information

Parameter	Value	Description
Magnitude	2.99 mb	The magnitude for the event.
Longitude	-122.2191696° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	40.3670006° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	3.92 km	Depth of the event in kilometers.
Place	5km ESE of Cottonwood, California	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2017-08-24 21:09:32	Time when the event occurred. UTC/GMT
Updated	2017-08-24 21:15:05	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	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	138	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	36	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.1545	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.53 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	37	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	nc72876580	Id of event.
Event Code	72876580	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,nc72876580,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake: M2.99 quake has struck near Cottonwood in California

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