Minor earthquake 2.9 mag, Northern California

A minor earthquake magnitude 2.9 (ml/mb) strikes Northern California kilometers (0 miles) from Northern California on Tuesday. Id of earthquake: nc71105814. Event ids that are associated: nc71105814. The 2.9-magnitude earthquake has occurred at 14:20:11 / 2:20 pm (local time epicenter). Date and time of earthquake in UTC/GMT: 21/02/17 / 2017-02-21 14:20:11 / February 21, 2017 @ 2:20 pm. The epicenter was at a depth of 4.462 km (3 miles). Exact location of event, longitude -121.751839 West, latitude 39.867935 North, depth = 4.462 km.

Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Colusa, Live Oak, Gridley. Epicenter of the earthquake was 17 km (11 miles) from Chico (c. 86 200 pop), 16 km (10 miles) from Paradise (c. 26 200 pop), 43 km (27 miles) from Oroville (c. 15 500 pop), 54 km (33 miles) from Red Bluff (c. 14 100 pop), 16 km (10 miles) from Magalia (c. 11 300 pop). Close country/countries that might be effected, United States (c. 310 233 000 pop).

In the past 24 hours, there have been 0, in the last 10 days 0, in the past 30 days 0 and in the last 365 days nine earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. There are an estimated 130,000 minor earthquakes in the world each year.

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Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. 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: Northern California.

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Parameter	Value	Description
Magnitude	2.9 mb	The magnitude for the event.
Longitude	-121.751839° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	39.867935° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	4.462 km	Depth of the event in kilometers.
Place	Northern California	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2017-02-21 14:20:11	Time when the event occurred. UTC/GMT
Updated	2017-02-21 18:31:02	Time when the event was most recently updated. UTC/GMT
Timezone offset		Timezone offset from UTC in minutes at the event epicenter.
Felt	5	The total number of felt reports
CDI	2.7	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	131	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		The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance		Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap		The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type	mh	The method or algorithm used to calculate the preferred magnitude for the event.
Event Type	earthquake	Type of seismic event.
Event ID	nc71105814	Id of event.
Event Code	71105814	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,nc71105814,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake 2.9 mag, Northern California

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