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Earthquake breaking news, Minor World Earthquakes Magnitude -3.9

Minor earthquake: M2.95 quake has struck near Cobb in California



Earthquake location 38.840168S, -122.8231659WA minor earthquake magnitude 2.95 (ml/mb) strikes 8 kilometers (5 miles) from Cobb in California on Thursday. The temblor was detected at 03:37:57 / 3:37 am (local time epicenter). Exact time and date of event in UTC/GMT: 28/09/17 / 2017-09-28 11:37:57 / September 28, 2017 @ 11:37 am. The earthquake occurred at a depth of 1.48 km (1 miles). Exact location of event, longitude -122.8231659 West, latitude 38.840168 North, depth = 1.48 km. All ids that are associated to the event: nc72900446. Unique identifier: nc72900446.

Country/countries that might be effected, United States (c. 310 233 000 pop). Earthquake epicenter was 45 km (28 miles) from Santa Rosa (c. 167 800 pop), 76 km (47 miles) from Napa (c. 76 900 pop), 69 km (43 miles) from Petaluma (c. 57 900 pop), 57 km (35 miles) from Rohnert Park (c. 41 000 pop), 33 km (20 miles) from Windsor (c. 26 800 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Napa, Petaluma, Sonoma.

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 thirty-seven earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. There are an estimated 130,000 minor quakes in the world each year.

Did you feel it?

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. 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: 8 km WNW of Cobb, California.

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More information

Parameter Value Description
Magnitude 2.95 mb The magnitude for the event.
Longitude -122.8231659° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 38.840168° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 1.48 km Depth of the event in kilometers.
Place 8km 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 2017-09-28 11:37:57 Time when the event occurred. UTC/GMT
Updated 2017-09-28 11:43:01 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 134 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 0.009751 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 51 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 nc72900446 Id of event.
Event Code 72900446 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,nc72900446, A comma-separated list of event ids that are associated to an event.

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