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Minor earthquake, 2.81 mag has occurred near Hayfork in CA

Earthquake location 40.7140007S, -123.2771683WA minor earthquake magnitude 2.81 (ml/mb) strikes 20 kilometers (12 miles) from Hayfork in CA on Tuesday. Event id: nc73141350. Ids that are associated to the earthquake: nc73141350. The 2.81-magnitude earthquake was detected at 18:38:59 / 6:38 pm (local time epicenter). Exact time and date of earthquake 13/02/19 / 2019-02-13 02:38:59 / February 13, 2019 @ 2:38 am UTC/GMT. The earthquake was roughly at a depth of 35.62 km (22 miles). Exact location of event, depth 35.62 km, -123.2771683° West, 40.7140007° North.

The epicenter was 76 km (47 miles) from Redding (c. 89 900 pop), 75 km (47 miles) from Eureka (c. 27 200 pop), 70 km (43 miles) from Arcata (c. 17 200 pop), 68 km (42 miles) from Bayside (c. 17 100 pop), 74 km (46 miles) from McKinleyville (c. 15 200 pop). Nearest cities/city/towns to hypocenter/epicentrum was Shasta Lake, Redding, Fortuna (min 5000 pop). Country/countries that might be effected, United States (c. 310 233 000 pop).

In the past 24 hours, there have been 0, in the last 10 days eight, in the past 30 days fifteen and in the last 365 days thirty earthquakes of magnitude 3.0 or greater that have been detected nearby. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. Each year there are an estimated 1,300,000 minor earthquakes in the world.

How would you describe the shaking?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 20 km NNW of Hayfork, CA.

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More information

Parameter Value Description
Magnitude 2.81 mb The magnitude for the event.
Longitude -123.2771683° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 40.7140007° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 35.62 km Depth of the event in kilometers.
Place 20km NNW of Hayfork, CA Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2019-02-13 02:38:59 Time when the event occurred. UTC/GMT
Updated 2019-02-13 02:45:05 Time when the event was most recently updated. UTC/GMT
Timezone offset -480 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 121 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 27 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.225 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.1 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 115 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 nc73141350 Id of event.
Event Code 73141350 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,nc73141350, A comma-separated list of event ids that are associated to an event.

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