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Minor earthquake: M2.91 quake has struck near Tres Pinos in CA

Posted by admin on December 28, 2017 0 Comments

Earthquake location 36.6796684S, -121.3040009WA minor earthquake magnitude 2.91 (ml/mb) strikes 12 kilometers (7 miles) from Tres Pinos in CA on Wednesday. Exact location of event, longitude -121.3040009 West, latitude 36.6796684 North, depth = 3.81 km. Date and time of earthquake in UTC/GMT: 28/12/17 / 2017-12-28 02:37:30 / December 28, 2017 @ 2:37 am. Event id: nc72945046. Ids that are associated to the earthquake: nc72945046. The earthquake was roughly at a depth of 3.81 km (2 miles). The temblor was detected at 18:37:30 / 6:37 pm (local time epicenter).

Country/countries that might be effected, United States (c. 310 233 000 pop). Event epicenter was 31 km (19 miles) from Salinas (c. 150 400 pop), 72 km (45 miles) from Santa Cruz (c. 59 900 pop), 48 km (30 miles) from Watsonville (c. 51 200 pop), 43 km (27 miles) from Gilroy (c. 48 800 pop), 59 km (37 miles) from Morgan Hill (c. 37 900 pop). Nearest cities/city/towns to hypocenter/epicentrum was Scotts Valley, Newman, Santa Cruz (min 5000 pop).

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

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: 12 km S of Tres Pinos, CA.

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More information

Parameter Value Description
Magnitude 2.91 mb The magnitude for the event.
Longitude -121.3040009° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 36.6796684° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 3.81 km Depth of the event in kilometers.
Place 12km S of Tres Pinos, CA Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-12-28 02:37:30 Time when the event occurred. UTC/GMT
Updated 2017-12-28 02:44:55 Time when the event was most recently updated. UTC/GMT
Timezone offset -480 Timezone offset from UTC in minutes at the event epicenter.
Felt 3 The total number of felt reports
CDI 3.1 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 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 131 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 49 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.0692 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.07 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 71 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 nc72945046 Id of event.
Event Code 72945046 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,nc72945046, A comma-separated list of event ids that are associated to an event.

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