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Light earthquake, 4.26 mag strikes near Laytonville in CA


Earthquake location 39.6003342S, -123.6693344WA light earthquake with magnitude 4.26 (ml/mb) was reported 19 kilometers (12 miles) from Laytonville in CA on Wednesday. The earthquake occurred at a depth of 6.13 km (4 miles) below the earth’s surface. The temblor was picked up at 20:57:18 / 8:57 pm (local time epicenter). Exact location of earthquake, -123.6693344° West, 39.6003342° North, depth 6.13 km. Exact time and date of event in UTC/GMT: 14/12/17 / 2017-12-14 04:57:18 / December 14, 2017 @ 4:57 am. All ids that are associated to the event: nc72939656, at00p0xprg. Unique identifier: nc72939656. A tsunami warning has been issued near Laytonville in CA (Does not indicate if a tsunami actually did or will exist).

Epicenter of the earthquake was 64 km (40 miles) from Ukiah (c. 16 100 pop), 21 km (13 miles) from Fort Bragg (c. 7 300 pop). Nearby country/countries that might be effected, United States (c. 310 233 000 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Ukiah, Fort Bragg.

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

Did you feel it?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city and country. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 19 km WSW of Laytonville, CA. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.26 mb The magnitude for the event.
Longitude -123.6693344° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 39.6003342° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 6.13 km Depth of the event in kilometers.
Place 19km WSW of Laytonville, CA Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-12-14 04:57:18 Time when the event occurred. UTC/GMT
Updated 2017-12-14 05:08:40 Time when the event was most recently updated. UTC/GMT
Timezone offset -480 Timezone offset from UTC in minutes at the event epicenter.
Felt 100 The total number of felt reports
CDI 3.8 The maximum reported intensity for the event.
MMI 5.36 The maximum estimated instrumental intensity for the event.
Alert Level green 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 1 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 317 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,at, A comma-separated list of network contributors.
Number of Stations Used 40 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.109 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.33 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 157 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 nc72939656 Id of event.
Event Code 72939656 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,nc72939656,at00p0xprg, A comma-separated list of event ids that are associated to an event.

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