Minor earthquake: M3.04 quake has struck near Cobb in California

A minor earthquake magnitude 3.04 (ml/mb) has occurred on Thursday, 3 kilometers (2 miles) from Cobb in California. The epicenter of the earthquake was roughly 1.7 km (1 miles) below the earth’s surface. Exact time and date of earthquake 31/03/16 / 2016-03-31 23:49:02 / March 31, 2016 @ 11:49 pm UTC/GMT. Exact location of earthquake, longitude -122.7646637 West, latitude 38.8241653 North, depth = 1.7 km. All ids that are associated to the event: nc72615575. Unique identifier: nc72615575. The temblor was picked up at 16:49:02 / 4:49 pm (local time epicenter).

Closest city/cities/towns to epicentrum/hypocenter was Colusa, Winters, Napa (min 5000 pop). Country/countries that might be effected, United States (c. 310 233 000 pop). Earthquake epicenter was 43 km (27 miles) from Santa Rosa (c. 167 800 pop), 72 km (45 miles) from Napa (c. 76 900 pop), 67 km (41 miles) from Petaluma (c. 57 900 pop), 54 km (34 miles) from Rohnert Park (c. 41 000 pop), 31 km (19 miles) from Windsor (c. 26 800 pop).

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

Did you feel the quake?

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: 3 km W of Cobb, California.

More information

Parameter	Value	Description
Magnitude	3.04 mb	The magnitude for the event.
Longitude	-122.7646637° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	38.8241653° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	1.7 km	Depth of the event in kilometers.
Place	3km W of Cobb, California	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2016-03-31 23:49:02	Time when the event occurred. UTC/GMT
Updated	2016-03-31 23:53:53	Time when the event was most recently updated. UTC/GMT
Timezone offset	-420	Timezone offset from UTC in minutes at the event epicenter.
Felt	0	The total number of felt reports
CDI	1	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	142	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	53	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.007514	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.05 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	40	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	nc72615575	Id of event.
Event Code	72615575	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,nc72615575,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake: M3.04 quake has struck near Cobb in California

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