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Minor earthquake: M3.87 quake has struck near Wilkerson in CA


Earthquake location 37.2616653S, -118.3288345WA minor earthquake magnitude 3.87 (ml/mb) has struck on Sunday, 5 kilometers (3 miles) from Wilkerson in CA. Exact location of earthquake, longitude -118.3288345 West, latitude 37.2616653 North, depth = 11.04 km. Event id: nc73523021. Ids that are associated to the earthquake: ci39551831, nc73523021. The 3.87-magnitude earthquake was detected at 11:57:50 / 11:57 am (local time epicenter). Global date and time of event UTC/GMT: 14/02/21 / 2021-02-14 11:57:50 / February 14, 2021 @ 11:57 am. The earthquake occurred at a depth of 11.04 km (7 miles) below the earth’s surface.

Nearest cities/city/towns to hypocenter/epicentrum was Mammoth Lakes (min 5000 pop). Country/countries that might be effected, United States (c. 310 233 000 pop). Event epicenter was 71 km (44 miles) from Mammoth Lakes (c. 8 200 pop).

Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. In the past 24 hours, there have been one, in the last 10 days seven, in the past 30 days thirteen and in the last 365 days five hundred and sixty-four earthquakes of magnitude 3.0 or greater that was reported nearby. Each year there are an estimated 130,000 minor earthquakes in the world.

How would you describe the shaking?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home and country. 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: 5 km ESE of Wilkerson, CA.

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More information

Parameter Value Description
Magnitude 3.87 mb The magnitude for the event.
Longitude -118.3288345° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 37.2616653° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 11.04 km Depth of the event in kilometers.
Place 5km ESE of Wilkerson, CA Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2021-02-14 11:57:50 Time when the event occurred. UTC/GMT
Updated 2021-02-14 12:02:26 Time when the event was most recently updated. UTC/GMT
Timezone offset Timezone offset from UTC in minutes at the event epicenter.
Felt 1 The total number of felt reports
CDI 2.7 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 231 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 ,ci,nc, 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 0.1854 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 119 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 nc73523021 Id of event.
Event Code 73523021 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ci39551831,nc73523021, A comma-separated list of event ids that are associated to an event.

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