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Minor earthquake, 2.8 mag was detected near Ridgemark in CA


Earthquake location 36.760334S, -121.4316635WA minor earthquake magnitude 2.8 (ml/mb) has occurred on Saturday, 8 kilometers (5 miles) from Ridgemark in CA. The temblor was picked up at 15:52:13 / 3:52 pm (local time epicenter). Date and time of earthquake in UTC/GMT: 14/09/19 / 2019-09-14 23:52:13 / September 14, 2019 @ 11:52 pm. Exact location of event, longitude -121.4316635 West, latitude 36.760334 North, depth = 10.48 km. All ids that are associated to the event: nc73273675. Unique identifier: nc73273675. The earthquake was roughly at a depth of 10.48 km (7 miles).

Epicenter of the event was 76 km (47 miles) from San Jose (c. 945 900 pop), 22 km (14 miles) from Salinas (c. 150 400 pop), 58 km (36 miles) from Santa Cruz (c. 59 900 pop), 33 km (21 miles) from Watsonville (c. 51 200 pop), 30 km (19 miles) from Gilroy (c. 48 800 pop). Closest city/cities/towns to epicentrum/hypocenter was East Foothills, Saratoga, San Jose (min 5000 pop). Nearby country/countries that might be effected, United States (c. 310 233 000 pop).

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

Did you feel anything?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 8 km SW of Ridgemark, CA. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -121.4316635° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 36.760334° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10.48 km Depth of the event in kilometers.
Place 8km SW of Ridgemark, CA Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2019-09-14 23:52:13 Time when the event occurred. UTC/GMT
Updated 2019-09-14 23:54:36 Time when the event was most recently updated. UTC/GMT
Timezone offset -480 Timezone offset from UTC in minutes at the event epicenter.
Felt The total number of felt reports
CDI 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 121 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 55 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.14 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 30 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 nc73273675 Id of event.
Event Code 73273675 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,nc73273675, A comma-separated list of event ids that are associated to an event.

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