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

A minor earthquake with magnitude 2.99 (ml/mb) was reported 7 kilometers (4 miles) from East Quincy in California on Thursday. Exact location of earthquake, -120.8391647° West, 39.8896675° North, depth 3.08 km. Event ids that are associated to the earthquake: nc72564096, nn00521270. Id of event: nc72564096. Global date and time of event UTC/GMT: 04/12/15 / 2015-12-04 05:37:20 / December 4, 2015 @ 5:37 am. The 2.99-magnitude earthquake was detected at 21:37:20 / 9:37 pm (local time epicenter). The earthquake occurred at a depth of 3.08 km (2 miles) below the earth’s surface.

Close 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 Palermo, Cold Springs, Grass Valley. Event epicenter was 68 km (42 miles) from Paradise (c. 26 200 pop), 61 km (38 miles) from Susanville (c. 17 900 pop), 74 km (46 miles) from Oroville (c. 15 500 pop), 77 km (48 miles) from Grass Valley (c. 12 900 pop), 64 km (40 miles) from Magalia (c. 11 300 pop).

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 thirteen earthquakes of magnitude 3.0 or greater that have been detected nearby. There are an estimated 130,000 minor earthquakes in the world each year. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage.

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 7 km SE of East Quincy, 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	-120.8391647° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	39.8896675° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	3.08 km	Depth of the event in kilometers.
Place	7km SE of East Quincy, California	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2015-12-04 05:37:20	Time when the event occurred. UTC/GMT
Updated	2015-12-04 05:55:42	Time when the event was most recently updated. UTC/GMT
Timezone offset	-480	Timezone offset from UTC in minutes at the event epicenter.
Felt	18	The total number of felt reports
CDI	3.4	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	144	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,nn,	A comma-separated list of network contributors.
Number of Stations Used	27	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.03087	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.09 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	63	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	nc72564096	Id of event.
Event Code	72564096	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,nc72564096,nn00521270,	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 East Quincy in California

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