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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.01 mag, 1 km NNE of The Geysers, CA


Earthquake location 38.784832S, -122.7503357WA light earthquake magnitude 4.01 (ml/mb) strikes 1 kilometers (1 miles) from The Geysers in CA on Wednesday. The earthquake was roughly at a depth of 4.06 km (3 miles). The 4.01-magnitude earthquake was detected at 11:45:43 / 11:45 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location, longitude -122.7503357° West, latitude 38.784832° North, depth = 4.06 km. Date and time of earthquake in UTC/GMT: 12/08/20 / 2020-08-12 11:45:43 / August 12, 2020 @ 11:45 am. Unique identifier: nc73443355. Ids that are associated to the event: nc73443355, ew1597232743.

The epicenter was 38 km (24 miles) from Santa Rosa (c. 167 800 pop), 87 km (54 miles) from Vallejo (c. 115 900 pop), 86 km (53 miles) from Fairfield (c. 105 300 pop), 82 km (51 miles) from Vacaville (c. 92 400 pop), 68 km (42 miles) from Napa (c. 76 900 pop), 62 km (39 miles) from Petaluma (c. 57 900 pop). Nearest cities/city/towns to hypocenter/epicentrum was Fairfax, Dixon, Vallejo (min 5000 pop). Close country/countries, United States (c. 310 233 000 pop) (That might be effected).

Each year there are an estimated 13,000 light quakes in the world. In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days one and in the last 365 days twenty-nine earthquakes of magnitude 3.0 or greater that have been detected nearby. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Did you feel anything?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 1 km NNE of The Geysers, CA.

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More information

Parameter Value Description
Magnitude 4.01 mb The magnitude for the event.
Longitude -122.7503357° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 38.784832° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 4.06 km Depth of the event in kilometers.
Place 1km NNE of The Geysers, CA Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-08-12 11:45:43 Time when the event occurred. UTC/GMT
Updated 2020-08-12 11:48:53 Time when the event was most recently updated. UTC/GMT
Timezone offset 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 247 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,ew, A comma-separated list of network contributors.
Number of Stations Used 72 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.01739 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.08 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 39 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 nc73443355 Id of event.
Event Code 73443355 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,nc73443355,ew1597232743, A comma-separated list of event ids that are associated to an event.

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