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Minor earthquake 2.83 mag, 2 km N of The Geysers, California



Earthquake location 38.801S, -122.7535WA minor earthquake magnitude 2.83 (ml/mb) has occurred on Thursday, 2 kilometers (1 miles) from The Geysers in California. Global time and date of event 21/04/16 / 2016-04-21 19:37:07 / April 21, 2016 @ 7:37 pm UTC/GMT. The earthquake occurred at a depth of -0.46 km (-0 miles). Exact location of event, longitude -122.7535 West, latitude 38.801 North, depth = -0.46 km. Id of earthquake: nc72625560. Event ids that are associated: nc72625560. The 2.83-magnitude earthquake has occurred at 12:37:07 / 12:37 pm (local time epicenter).

Nearest cities/city/towns to hypocenter/epicentrum was Winters, Napa, Williams (min 5000 pop). Close country/countries that might be effected, United States (c. 310 233 000 pop). Epicenter of the earthquake was 40 km (25 miles) from Santa Rosa (c. 167 800 pop), 69 km (43 miles) from Napa (c. 76 900 pop), 64 km (40 miles) from Petaluma (c. 57 900 pop), 52 km (32 miles) from Rohnert Park (c. 41 000 pop), 29 km (18 miles) from Windsor (c. 26 800 pop).

Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. 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 fourty-seven earthquakes of magnitude 3.0 or greater that has occurred nearby. Every year there are an estimated 1,300,000 minor earthquakes in the world.

Questions or comments?

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. 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: 2 km N of The Geysers, California.

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More information

Parameter Value Description
Magnitude 2.83 mb The magnitude for the event.
Longitude -122.7535° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 38.801° North Decimal degrees latitude. Negative values for southern latitudes.
Depth -0.46 km Depth of the event in kilometers.
Place 2km N 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 2016-04-21 19:37:07 Time when the event occurred. UTC/GMT
Updated 2016-04-26 18:21:04 Time when the event was most recently updated. UTC/GMT
Timezone offset -420 Timezone offset from UTC in minutes at the event epicenter.
Felt 2 The total number of felt reports
CDI 3.3 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 reviewed 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 124 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 0.02067 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.11 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 42 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 nc72625560 Id of event.
Event Code 72625560 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,nc72625560, A comma-separated list of event ids that are associated to an event.

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