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Earthquake breaking news, Minor World Earthquakes Magnitude -3.9

Minor earthquake, 3.13 mag has occurred near San Ramon in California

Earthquake location 37.7766685S, -121.9663315WA minor earthquake with magnitude 3.13 (ml/mb) was detected on Saturday, 1 kilometers (1 miles) from San Ramon in California. The temblor was picked up at 00:34:52 / 12:34 am (local time epicenter). Exact location, longitude -121.9663315° West, latitude 37.7766685° North, depth = 9.17 km. The epicenter was at a depth of 9.17 km (6 miles). Global time and date of event 19/12/15 / 2015-12-19 08:34:52 / December 19, 2015 @ 8:34 am UTC/GMT. Event id: nc72569541. Ids that are associated to the earthquake: nc72569541.

Epicenter of the event was 49 km (30 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), 63 km (39 miles) from Stockton (c. 291 700 pop), 25 km (16 miles) from Fremont (c. 214 100 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Galt, Salida, Petaluma. Nearby 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. There are an estimated 130,000 minor quakes in the world each year. In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days one and in the last 365 days thirty-three earthquakes of magnitude 3.0 or greater that was reported 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. 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: 1 km ESE of San Ramon, California.

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More information

Parameter Value Description
Magnitude 3.13 mb The magnitude for the event.
Longitude -121.9663315° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 37.7766685° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 9.17 km Depth of the event in kilometers.
Place 1km ESE 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 2015-12-19 08:34:52 Time when the event occurred. UTC/GMT
Updated 2015-12-19 08:48:01 Time when the event was most recently updated. UTC/GMT
Timezone offset -480 Timezone offset from UTC in minutes at the event epicenter.
Felt 137 The total number of felt reports
CDI 4.9 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 218 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 65 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.08464 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.08 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 51 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 nc72569541 Id of event.
Event Code 72569541 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,nc72569541, A comma-separated list of event ids that are associated to an event.

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