Minor earthquake, 3.53 mag has occurred near San Ramon in California

A minor earthquake magnitude 3.53 (ml/mb) strikes 1 kilometers (1 miles) from San Ramon in California on Monday. Exact time and date of event in UTC/GMT: 19/10/15 / 2015-10-19 23:21:11 / October 19, 2015 @ 11:21 pm. The epicenter of the earthquake was roughly 7.24 km (4 miles) below the earth’s surface. Exact location, longitude -121.9658356° West, latitude 37.7941666° North, depth = 7.24 km. Id of earthquake: nc72540760. Event ids that are associated: nc72540760. The temblor was detected at 16:21:11 / 4:21 pm (local time epicenter).

Nearest cities/city/towns to hypocenter/epicentrum was Scotts Valley, Patterson, Winters (min 5000 pop). Event epicenter was 51 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 (39 miles) from Stockton (c. 291 700 pop), 27 km (17 miles) from Fremont (c. 214 100 pop), 17 km (11 miles) from Hayward (c. 144 200 pop). Close country/countries that might be effected, United States (c. 310 233 000 pop).

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. In the past 24 hours, there have been two, in the last 10 days six, in the past 30 days six and in the last 365 days twenty-four earthquakes of magnitude 3.0 or greater that have been detected nearby.

Did you feel it?

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. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 1 km NE of San Ramon, California.

More information

Parameter	Value	Description
Magnitude	3.53 mb	The magnitude for the event.
Longitude	-121.9658356° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	37.7941666° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	7.24 km	Depth of the event in kilometers.
Place	1km NE 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	2015-10-19 23:21:11	Time when the event occurred. UTC/GMT
Updated	2015-10-19 23:25:31	Time when the event was most recently updated. UTC/GMT
Timezone offset	-420	Timezone offset from UTC in minutes at the event epicenter.
Felt	27	The total number of felt reports
CDI	3.5	The maximum reported intensity for the event.
MMI	2.87	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	201	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	25	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.06796	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.07 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	56	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	nc72540760	Id of event.
Event Code	72540760	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,nc72540760,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 3.53 mag has occurred near San Ramon in California

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