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Minor World Earthquakes Magnitude -3.9

Minor earthquake: M2.87 quake strikes near The Geysers in California

Earthquake location 38.8041649S, -122.774498WA minor earthquake magnitude 2.87 (mg/mb) has occurred on Wednesday, 3 kilometers (2 miles) from The Geysers in California. The temblor was reported at 21:13:54 / 9:13 pm (local time epicenter) at a depth of 1.02 km (1 miles). Global time of event 23/04/15 / 2015-04-23 04:13:54 / April 23, 2015 @ 4:13 am UTC/GMT. A tsunami warning has not been issued, according to the U.S. Geological Survey. Exact location of event, longitude -122.774498 West, latitude 38.8041649 North, depth 1.02 km, unique identifier, nc72433530.

Close countries, United States (c. 310 233 000 pop). The epicenter was 41 km (25 miles) from Santa Rosa (c. 167 800 pop), 71 km (44 miles) from Napa (c. 76 900 pop), 65 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). Nearest city, towns to epicentrum/hypocenter was Winters, Napa, Williams.

Did you feel it?

Leave a comment or report about shaking, activity and damage at your home, city and country. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded in: 3 km NNW of The Geysers, California.

More information

Parameter Value Description
Magnitude 2.87 mb The magnitude for the event.
Longitude -122.774498° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 38.8041649° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 1.02 km Depth of the event in kilometers.
Place 3km NNW 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 2015-04-23 04:13:54 Time when the event occurred. UTC/GMT
Updated 2015-04-23 04:16:18 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 127 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 59 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.01029 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.05 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 23 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 nc72433530 Id of event.
Event Code 72433530 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,nc72433530, A comma-separated list of event ids that are associated to an event.

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