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Earthquake breaking news, Minor World Earthquakes Magnitude -3.9

Minor earthquake 3.98 mag, 3 km NW of Redwood Valley, California


Earthquake location 39.2869987S, -123.2368317WA minor earthquake magnitude 3.98 (ml/mb) has occurred on Friday, 3 kilometers (2 miles) from Redwood Valley in California. The epicenter of the earthquake was roughly -0.46 km (-0 miles) below the earth’s surface. Global date and time of event UTC/GMT: 13/10/17 / 2017-10-13 23:10:31 / October 13, 2017 @ 11:10 pm. Exact location of earthquake, -123.2368317° West, 39.2869987° North, depth -0.46 km. Id of earthquake: nc72908631. Event ids that are associated: nc72908631. The temblor was reported at 15:10:31 / 3:10 pm (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Nearby country/countries, United States (c. 310 233 000 pop) (That might be effected). Epicenter of the event was 90 km (56 miles) from Windsor (c. 26 800 pop), 15 km (10 miles) from Ukiah (c. 16 100 pop), 64 km (40 miles) from Clearlake (c. 15 300 pop), 82 km (51 miles) from Healdsburg (c. 11 300 pop), 57 km (35 miles) from Cloverdale (c. 8 600 pop), 52 km (32 miles) from Fort Bragg (c. 7 300 pop). Closest city/cities/towns to epicentrum/hypocenter was Windsor, Healdsburg, Hidden Valley Lake (min 5000 pop).

Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. There are an estimated 130,000 minor 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 fourty-one 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, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 3 km NW of Redwood Valley, California. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.98 mb The magnitude for the event.
Longitude -123.2368317° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 39.2869987° North Decimal degrees latitude. Negative values for southern latitudes.
Depth -0.46 km Depth of the event in kilometers.
Place 3km NW of Redwood Valley, California Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-10-13 23:10:31 Time when the event occurred. UTC/GMT
Updated 2017-10-13 23:26:03 Time when the event was most recently updated. UTC/GMT
Timezone offset -480 Timezone offset from UTC in minutes at the event epicenter.
Felt 121 The total number of felt reports
CDI 4.6 The maximum reported intensity for the event.
MMI 4.37 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 299 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 46 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.09526 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.16 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 65 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 nc72908631 Id of event.
Event Code 72908631 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,nc72908631, A comma-separated list of event ids that are associated to an event.

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