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Earthquake breaking news, Minor World Earthquakes Magnitude -3.9

Minor earthquake, 3.33 mag has occurred near Cobb in CA

Earthquake location 38.8171654S, -122.7634964WA minor earthquake with magnitude 3.33 (ml/mb) was detected on Monday, 4 kilometers (2 miles) from Cobb in CA. The earthquake occurred at a depth of 1.81 km (1 miles). Unique identifier: nc73318771. Ids that are associated to the event: nc73318771. Date and time of earthquake in UTC/GMT: 24/12/19 / 2019-12-24 06:33:59 / December 24, 2019 @ 6:33 am. Exact location of earthquake, -122.7634964° West, 38.8171654° North, depth 1.81 km. The temblor was reported at 22:33:59 / 10:33 pm (local time epicenter).

Epicenter of the event was 42 km (26 miles) from Santa Rosa (c. 167 800 pop), 71 km (44 miles) from Napa (c. 76 900 pop), 66 km (41 miles) from Petaluma (c. 57 900 pop), 81 km (50 miles) from Novato (c. 51 900 pop), 53 km (33 miles) from Rohnert Park (c. 41 000 pop). Country/countries that might be effected, United States (c. 310 233 000 pop). Closest city/cities/towns to epicentrum/hypocenter was Novato, Colusa, Winters (min 5000 pop).

In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days two and in the last 365 days fourty-one earthquakes of magnitude 3.0 or greater that have been detected nearby. 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.

Did you feel the quake?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 4 km W of Cobb, CA. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.33 mb The magnitude for the event.
Longitude -122.7634964° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 38.8171654° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 1.81 km Depth of the event in kilometers.
Place 4km W of Cobb, CA Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2019-12-24 06:33:59 Time when the event occurred. UTC/GMT
Updated 2019-12-24 06:38:20 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 171 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 65 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.0142 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 84 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 nc73318771 Id of event.
Event Code 73318771 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,nc73318771, A comma-separated list of event ids that are associated to an event.

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