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Earthquake: M 2.58 quake strikes near Concord in California

Posted by admin on December 12, 2014 0 Comments

Earthquake location 37.9614983S, -122.0303345WA minor earthquake magnitude 2.58 (mg/mb) has occurred on Friday, 1 kilometers (1 miles) from Concord in California. The temblor was reported at 07:18:21 / 7:18 am (local time epicenter) at a depth of 11.48 km (7 miles). Global time of event 2014-12-12 03:18:21 UTC/GMT. A tsunami warning has not been issued, according to the U.S. Geological Survey. Exact location of event, longitude -122.0303345 West, latitude 37.9614983 North, depth 11.48 km.

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More information

Parameter Value Description
Magnitude 2.58 mb The magnitude for the event.
Longitude -122.0303345° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 37.9614983° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 11.48 km Depth of the event in kilometers.
Place 1km S of Concord, California Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2014-12-12 15:18:21 Time when the event occurred. UTC/GMT
Updated 2014-12-12 15:51:04 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 2.7 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 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 105 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 44 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.06628 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.1 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 84 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 nc72363821 Id of event.
Event Code 72363821 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS nc72363821 A comma-separated list of event ids that are associated to an event.

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