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Minor earthquake 2.81 mag, 6 km WNW of Cobb, California

Posted by admin on February 15, 2017 0 Comments

Earthquake location 38.8344994S, -122.8003311WA minor earthquake magnitude 2.81 (ml/mb) strikes 6 kilometers (4 miles) from Cobb in California on Wednesday. Global date and time of event UTC/GMT: 15/02/17 / 2017-02-15 10:47:13 / February 15, 2017 @ 10:47 am. The earthquake occurred at a depth of 1.88 km (1 miles). Unique identifier: nc72764351. Ids that are associated to the event: nc72764351. The 2.81-magnitude earthquake was detected at 02:47:13 / 2:47 am (local time epicenter). Exact location of earthquake, longitude -122.8003311 West, latitude 38.8344994 North, depth = 1.88 km.

Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Napa, Petaluma, Sonoma. The epicenter was 44 km (28 miles) from Santa Rosa (c. 167 800 pop), 75 km (46 miles) from Napa (c. 76 900 pop), 68 km (43 miles) from Petaluma (c. 57 900 pop), 56 km (35 miles) from Rohnert Park (c. 41 000 pop), 32 km (20 miles) from Windsor (c. 26 800 pop). Country/countries that might be effected, United States (c. 310 233 000 pop).

There are an estimated 1,300,000 minor earthquakes in the world each year. In the past 24 hours, there have been 0, in the last 10 days four, in the past 30 days six and in the last 365 days fifty-one earthquakes of magnitude 3.0 or greater that has occurred nearby. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage.

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. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 6 km WNW of Cobb, California.

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More information

Parameter Value Description
Magnitude 2.81 mb The magnitude for the event.
Longitude -122.8003311° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 38.8344994° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 1.88 km Depth of the event in kilometers.
Place 6km WNW of Cobb, California Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-02-15 10:47:13 Time when the event occurred. UTC/GMT
Updated 2017-02-15 10:51:08 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 44 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.008722 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.05 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 37 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 nc72764351 Id of event.
Event Code 72764351 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,nc72764351, A comma-separated list of event ids that are associated to an event.

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