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Light earthquake: M4.01 quake strikes near Concord in California

Earthquake location 37.9678345S, -122.0295029WA light earthquake magnitude 4.01 (mg/mb) has occurred on Sunday, 1 kilometers (1 miles) from Concord in California. The temblor was reported at 15:13:19 / 3:13 pm (local time epicenter) at a depth of 14.56 km (9 miles). Global time of event 03/05/15 / 2015-05-03 22:13:19 / May 3, 2015 @ 10:13 pm UTC/GMT. A tsunami warning has not been issued, according to the U.S. Geological Survey. Exact location of event, longitude -122.0295029 West, latitude 37.9678345 North, depth 14.56 km, unique identifier, nc72439615.

Close countries, United States (c. 310 233 000 pop). The epicenter was 71 km (44 miles) from San Jose (c. 945 900 pop), 40 km (25 miles) from San Francisco (c. 805 200 pop), 83 km (51 miles) from Sacramento (c. 466 500 pop), 28 km (17 miles) from Oakland (c. 390 700 pop), 65 km (40 miles) from Stockton (c. 291 700 pop), 47 km (29 miles) from Fremont (c. 214 100 pop). Nearest city, towns to epicentrum/hypocenter was La Riviera, Salida, Larkfield-Wikiup.

Did you feel it?

Leave a comment or report about shaking, activity and damage at your home, city and country. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded in: 1 km S of Concord, California.

More information

Parameter Value Description
Magnitude 4.01 mb The magnitude for the event.
Longitude -122.0295029° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 37.9678345° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 14.56 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 2015-05-03 22:13:19 Time when the event occurred. UTC/GMT
Updated 2015-05-03 22:23:29 Time when the event was most recently updated. UTC/GMT
Timezone offset -420 Timezone offset from UTC in minutes at the event epicenter.
Felt 142 The total number of felt reports
CDI 3.7 The maximum reported intensity for the event.
MMI 3.07 The maximum estimated instrumental intensity for the event.
Alert Level green 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 300 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 82 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.05994 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 47 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 nc72439615 Id of event.
Event Code 72439615 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,nc72439615, A comma-separated list of event ids that are associated to an event.

1 Comment

  1. Wende

    Yikes…hope that’s it!

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