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Minor earthquake: M2.83 quake has struck near The Geysers in California


Earthquake location 38.7588348S, -122.722168WA minor earthquake magnitude 2.83 (ml/mb) strikes 3 kilometers (2 miles) from The Geysers in California on Monday. The 2.83-magnitude earthquake has occurred at 04:17:44 / 4:17 am (local time epicenter). The earthquake occurred at a depth of 1.86 km (1 miles) below the earth’s surface. Event ids that are associated to the earthquake: nc72499921. Id of event: nc72499921. Exact time and date of earthquake 03/08/15 / 2015-08-03 11:17:44 / August 3, 2015 @ 11:17 am UTC/GMT. Exact location of event, depth 1.86 km, -122.722168° West, 38.7588348° North.

Nearest cities/city/towns to hypocenter/epicentrum was American Canyon, Novato, Winters (min 5000 pop). Country/countries that might be effected, United States (c. 310 233 000 pop). Event epicenter was 35 km (22 miles) from Santa Rosa (c. 167 800 pop), 64 km (40 miles) from Napa (c. 76 900 pop), 59 km (37 miles) from Petaluma (c. 57 900 pop), 74 km (46 miles) from Novato (c. 51 900 pop), 47 km (29 miles) from Rohnert Park (c. 41 000 pop).

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

How would you describe the shaking?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity 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: 3 km SE of The Geysers, California. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 2.83 mb The magnitude for the event.
Longitude -122.722168° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 38.7588348° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 1.86 km Depth of the event in kilometers.
Place 3km SE of The Geysers, California Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-08-03 11:17:44 Time when the event occurred. UTC/GMT
Updated 2015-08-03 11:23:04 Time when the event was most recently updated. UTC/GMT
Timezone offset -420 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 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 123 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 0.01492 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.09 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 33 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 nc72499921 Id of event.
Event Code 72499921 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,nc72499921, A comma-separated list of event ids that are associated to an event.

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