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Light earthquake 4.39 mag, 27 km ENE of Greenfield, California

Posted by admin on January 20, 2015 2 Comments

Earthquake location 36.4338341S, -120.9708328WA light earthquake magnitude 4.39 (mg/mb) has striked on Tuesday, 27 kilometers (17 miles) from Greenfield in California. The temblor was reported at 05:21:36 / 5:21 am (local time epicenter) at a depth of 9.87 km (6 miles). Global time of event 2015-01-20 01:21:36 UTC/GMT. A tsunami warning has been issued near Greenfield in California, according to the U.S. Geological Survey. Exact location of event, longitude -120.9708328 West, latitude 36.4338341 North, depth 9.87 km.

Close countries, United States (c. 310 233 000 pop). The epicenter was 67 km (42 miles) from Salinas (c. 150 400 pop), 88 km (55 miles) from Watsonville (c. 51 200 pop), 83 km (52 miles) from Gilroy (c. 48 800 pop), 70 km (44 miles) from Los Banos (c. 36 000 pop), 60 km (38 miles) from Hollister (c. 34 900 pop). Nearest city, towns to epicentrum/hypocenter was Paso Robles, San Martin, Gustine.

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: 27 km ENE of Greenfield, California.


More information

Parameter Value Description
Magnitude 4.39 mb The magnitude for the event.
Longitude -120.9708328° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 36.4338341° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 9.87 km Depth of the event in kilometers.
Place 27km ENE of Greenfield, California Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-01-20 13:21:36 Time when the event occurred. UTC/GMT
Updated 2015-01-20 13:28:03 Time when the event was most recently updated. UTC/GMT
Timezone offset -480 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 1 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 1 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 296 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 atnc A comma-separated list of network contributors.
Number of Stations Used 86 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.03999 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 58 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mw The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID nc72383481 Id of event.
Event Code 72383481 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS at00nih941nc72383481 A comma-separated list of event ids that are associated to an event.

2 Comments

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  1. Victoria

    Felt it in Santa Cruz Los Gatos Summit Area.

    January 20, 2015
    Reply

  2. Robin Egbert

    Felt it in Aptos. Quick back & forth action for 5 seconds. Thought it was 4.0.

    January 20, 2015
    Reply

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