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Earthquake breaking news, Minor World Earthquakes Magnitude -3.9

Minor earthquake 2.91 mag, 5 km WNW of Cobb, California


Earthquake location 38.8371658S, -122.7841644WA minor earthquake magnitude 2.91 (ml/mb) strikes 5 kilometers (3 miles) from Cobb in California on Saturday. Event ids that are associated to the earthquake: nc72740405. Id of event: nc72740405. The temblor was picked up at 11:09:31 / 11:09 am (local time epicenter). Global date and time of event UTC/GMT: 17/12/16 / 2016-12-17 19:09:31 / December 17, 2016 @ 7:09 pm. The epicenter of the earthquake was roughly 0.98 km (1 miles) below the earth’s surface. Exact location of event, longitude -122.7841644 West, latitude 38.8371658 North, depth = 0.98 km.

Nearest cities/city/villages to epicentrum/hypocenter was Napa, Petaluma, Sonoma (min 5000 pop). Close country/countries that might be effected, United States (c. 310 233 000 pop). Epicenter of the event was 45 km (28 miles) from Santa Rosa (c. 167 800 pop), 74 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).

Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. In the past 24 hours, there have been two, in the last 10 days five, in the past 30 days eight and in the last 365 days fourty-nine earthquakes of magnitude 3.0 or greater that have been detected in the same area. Each year there are an estimated 130,000 minor earthquakes in the world.

Questions or comments?

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 5 km WNW of Cobb, California. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 2.91 mb The magnitude for the event.
Longitude -122.7841644° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 38.8371658° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 0.98 km Depth of the event in kilometers.
Place 5km 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 2016-12-17 19:09:31 Time when the event occurred. UTC/GMT
Updated 2016-12-17 19:14:02 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 130 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 36 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.00814 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.04 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 57 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 nc72740405 Id of event.
Event Code 72740405 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,nc72740405, A comma-separated list of event ids that are associated to an event.

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