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Minor earthquake, 2.81 mag strikes near Gilroy in California

Earthquake location 36.9841652S, -121.6360016WA minor earthquake with magnitude 2.81 (ml/mb) was detected on Thursday, 6 kilometers (4 miles) from Gilroy in California. Event ids that are associated to the earthquake: nc72557706. Id of event: nc72557706. Exact time and date of earthquake 19/11/15 / 2015-11-19 18:28:09 / November 19, 2015 @ 6:28 pm UTC/GMT. The temblor was reported at 10:28:09 / 10:28 am (local time epicenter). Exact location of event, longitude -121.6360016 West, latitude 36.9841652 North, depth = 7.95 km. The epicenter was at a depth of 7.95 km (5 miles).

Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Redwood City, Union City, Woodside. The epicenter was 46 km (28 miles) from San Jose (c. 945 900 pop), 70 km (44 miles) from Fremont (c. 214 100 pop), 34 km (21 miles) from Salinas (c. 150 400 pop), 56 km (35 miles) from Sunnyvale (c. 140 100 pop), 50 km (31 miles) from Santa Clara (c. 116 500 pop). Close country/countries that might be effected, United States (c. 310 233 000 pop).

Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. There are an estimated 1,300,000 minor quakes in the world each year. In the past 24 hours, there have been 0, in the last 10 days two, in the past 30 days thirteen and in the last 365 days fourty-six earthquakes of magnitude 3.0 or greater that have been detected in the same area.

Questions or comments?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking 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: 6 km WSW of Gilroy, California.

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More information

Parameter Value Description
Magnitude 2.81 mb The magnitude for the event.
Longitude -121.6360016° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 36.9841652° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 7.95 km Depth of the event in kilometers.
Place 6km WSW of Gilroy, California Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-11-19 18:28:09 Time when the event occurred. UTC/GMT
Updated 2015-11-19 18:35:57 Time when the event was most recently updated. UTC/GMT
Timezone offset -480 Timezone offset from UTC in minutes at the event epicenter.
Felt 9 The total number of felt reports
CDI 2.5 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 124 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 70 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.05716 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.13 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 38 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 nc72557706 Id of event.
Event Code 72557706 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,nc72557706, A comma-separated list of event ids that are associated to an event.

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