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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.04 mag has occurred near The Geysers in California



Earthquake location 38.7876663S, -122.7779999WA light earthquake magnitude 4.04 (ml/mb) strikes 2 kilometers (1 miles) from The Geysers in California on Sunday. The temblor was picked up at 02:12:16 / 2:12 am (local time epicenter). Unique identifier: nc72795911. Ids that are associated to the event: nc72795911. Exact location, longitude -122.7779999° West, latitude 38.7876663° North, depth = 2.33 km. The epicenter of the earthquake was roughly 2.33 km (1 miles) below the earth’s surface. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact time and date of event in UTC/GMT: 30/04/17 / 2017-04-30 10:12:16 / April 30, 2017 @ 10:12 am.

Close country/countries that might be effected, United States (c. 310 233 000 pop). Nearest cities/city/towns to hypocenter/epicentrum was Suisun, Vallejo, Woodland (min 5000 pop). Epicenter of the event was 39 km (24 miles) from Santa Rosa (c. 167 800 pop), 89 km (55 miles) from Vallejo (c. 115 900 pop), 88 km (55 miles) from Fairfield (c. 105 300 pop), 84 km (52 miles) from Vacaville (c. 92 400 pop), 69 km (43 miles) from Napa (c. 76 900 pop), 63 km (39 miles) from Petaluma (c. 57 900 pop).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. Every year there are an estimated 13,000 light earthquakes in the world. 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-eight earthquakes of magnitude 3.0 or greater that was reported nearby.

Questions or comments?

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, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 2 km WNW of The Geysers, California. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.04 mb The magnitude for the event.
Longitude -122.7779999° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 38.7876663° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 2.33 km Depth of the event in kilometers.
Place 2km WNW 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 2017-04-30 10:12:16 Time when the event occurred. UTC/GMT
Updated 2017-04-30 10:18:03 Time when the event was most recently updated. UTC/GMT
Timezone offset -480 Timezone offset from UTC in minutes at the event epicenter.
Felt 3 The total number of felt reports
CDI 3.1 The maximum reported intensity for the event.
MMI 5.33 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 252 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 69 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.009507 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 49 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mw The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID nc72795911 Id of event.
Event Code 72795911 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,nc72795911, A comma-separated list of event ids that are associated to an event.

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