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Light earthquake, 4.23 mag has occurred near Redwood Valley in CA

Posted by admin on April 29, 2019 0 Comments

Earthquake location 39.3476677S, -123.2366638WA light earthquake with magnitude 4.23 (ml/mb) was detected on Sunday, 10 kilometers (6 miles) from Redwood Valley in CA. Event id: nc73173775. Ids that are associated to the earthquake: at00pqpo6w, nc73173775. A tsunami warning has been issued near Redwood Valley in CA (Does not indicate if a tsunami actually did or will exist). Exact time and date of event in UTC/GMT: 29/04/19 / 2019-04-29 07:16:08 / April 29, 2019 @ 7:16 am. The earthquake occurred at a depth of 3.98 km (2 miles). Exact location of event, longitude -123.2366638 West, latitude 39.3476677 North, depth = 3.98 km. The temblor was picked up at 23:16:08 / 11:16 pm (local time epicenter).

Nearby country/countries that might be effected, United States (c. 310 233 000 pop). Closest city/cities/towns to epicentrum/hypocenter was Willows, Healdsburg, Hidden Valley Lake (min 5000 pop). Event epicenter was 22 km (14 miles) from Ukiah (c. 16 100 pop), 68 km (42 miles) from Clearlake (c. 15 300 pop), 88 km (55 miles) from Healdsburg (c. 11 300 pop), 63 km (39 miles) from Cloverdale (c. 8 600 pop), 50 km (31 miles) from Fort Bragg (c. 7 300 pop), 92 km (57 miles) from Willows (c. 6 200 pop).

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

How would you describe the shaking?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city and country. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 10 km NNW of Redwood Valley, CA.

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More information

Parameter Value Description
Magnitude 4.23 mb The magnitude for the event.
Longitude -123.2366638° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 39.3476677° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 3.98 km Depth of the event in kilometers.
Place 10km NNW of Redwood Valley, CA Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2019-04-29 07:16:08 Time when the event occurred. UTC/GMT
Updated 2019-04-29 07:23:15 Time when the event was most recently updated. UTC/GMT
Timezone offset -480 Timezone offset from UTC in minutes at the event epicenter.
Felt 5 The total number of felt reports
CDI 3.4 The maximum reported intensity for the event.
MMI 5.16 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 automatic 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 277 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 ,at,nc, A comma-separated list of network contributors.
Number of Stations Used 31 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.09 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 79 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 nc73173775 Id of event.
Event Code 73173775 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,at00pqpo6w,nc73173775, A comma-separated list of event ids that are associated to an event.

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