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Minor earthquake: M3.77 quake has struck near Ridgemark in California

Earthquake location 36.7143326S, -121.3134995WA minor earthquake magnitude 3.77 (ml/mb) strikes 11 kilometers (7 miles) from Ridgemark in California on Tuesday. Exact location of event, depth 7.73 km, -121.3134995° West, 36.7143326° North. Exact time and date of earthquake 18/10/16 / 2016-10-18 22:09:07 / October 18, 2016 @ 10:09 pm UTC/GMT. The epicenter was at a depth of 7.73 km (5 miles). The 3.77-magnitude earthquake has occurred at 15:09:07 / 3:09 pm (local time epicenter). Unique identifier: nc72714296. Ids that are associated to the event: nc72714296.

Nearest cities/city/villages to epicentrum/hypocenter was East Foothills, San Jose, Patterson (min 5000 pop). Nearby country/countries, United States (c. 310 233 000 pop) (That might be effected). Epicenter of the event was 87 km (54 miles) from San Jose (c. 945 900 pop), 31 km (19 miles) from Salinas (c. 150 400 pop), 70 km (44 miles) from Santa Cruz (c. 59 900 pop), 45 km (28 miles) from Watsonville (c. 51 200 pop), 40 km (25 miles) from Gilroy (c. 48 800 pop), 85 km (53 miles) from Campbell (c. 39 300 pop).

In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days three and in the last 365 days fourty-eight earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. There are an estimated 130,000 minor earthquakes in the world each year.

Did you feel it?

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. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 11 km SSE of Ridgemark, California.

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More information

Parameter Value Description
Magnitude 3.77 mb The magnitude for the event.
Longitude -121.3134995° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 36.7143326° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 7.73 km Depth of the event in kilometers.
Place 11km SSE of Ridgemark, California Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2016-10-18 22:09:07 Time when the event occurred. UTC/GMT
Updated 2016-10-18 22:23:04 Time when the event was most recently updated. UTC/GMT
Timezone offset -420 Timezone offset from UTC in minutes at the event epicenter.
Felt 34 The total number of felt reports
CDI 3.4 The maximum reported intensity for the event.
MMI 3.15 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 reviewed 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 230 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 56 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.05768 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.09 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 41 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 nc72714296 Id of event.
Event Code 72714296 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,nc72714296, A comma-separated list of event ids that are associated to an event.

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