Minor earthquake, 2.91 mag has occurred near San Ramon in California

A minor earthquake with magnitude 2.91 (ml/mb) was detected on Tuesday, 2 kilometers (1 miles) from San Ramon in California. Global time and date of event 27/10/15 / 2015-10-27 09:06:55 / October 27, 2015 @ 9:06 am UTC/GMT. The epicenter was at a depth of 9.02 km (6 miles). Event id: nc72544620. Ids that are associated to the earthquake: nc72544620. Exact location of event, longitude -121.9673309 West, latitude 37.8003349 North, depth = 9.02 km. The 2.91-magnitude earthquake was detected at 02:06:55 / 2:06 am (local time epicenter).

Nearest cities/city/villages to epicentrum/hypocenter was Galt, Petaluma, Ripon (min 5000 pop). Nearby country/countries that might be effected, United States (c. 310 233 000 pop). Epicenter of the earthquake was 52 km (32 miles) from San Jose (c. 945 900 pop), 40 km (25 miles) from San Francisco (c. 805 200 pop), 27 km (17 miles) from Oakland (c. 390 700 pop), 62 km (38 miles) from Stockton (c. 291 700 pop), 28 km (17 miles) from Fremont (c. 214 100 pop).

Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. In the past 24 hours, there have been two, in the last 10 days ten, in the past 30 days twelve and in the last 365 days thirty earthquakes of magnitude 3.0 or greater that have been detected nearby. Each year there are an estimated 130,000 minor quakes in the world.

Did you feel the quake?

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 2 km NNE of San Ramon, California. This information comes from the USGS Earthquake Notification Service.

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Parameter	Value	Description
Magnitude	2.91 mb	The magnitude for the event.
Longitude	-121.9673309° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	37.8003349° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	9.02 km	Depth of the event in kilometers.
Place	2km NNE of San Ramon, California	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2015-10-27 09:06:55	Time when the event occurred. UTC/GMT
Updated	2015-10-27 09:20:23	Time when the event was most recently updated. UTC/GMT
Timezone offset	-420	Timezone offset from UTC in minutes at the event epicenter.
Felt	13	The total number of felt reports
CDI	3.8	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	135	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	61	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.06175	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	58	The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type	md	The method or algorithm used to calculate the preferred magnitude for the event.
Event Type	earthquake	Type of seismic event.
Event ID	nc72544620	Id of event.
Event Code	72544620	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,nc72544620,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 2.91 mag has occurred near San Ramon in California

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