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Minor earthquake, 2.8 mag was detected near Olancha in CA

Earthquake location 36.4329987S, -117.9956665WA minor earthquake with magnitude 2.8 (ml/mb) was reported 17 km N of Olancha, CA (11 miles) on Tuesday. The 2.8-magnitude earthquake has occurred at 22:31:13 / 10:31 pm (local time epicenter). The earthquake occurred at a depth of 3.38 km (2 miles). Event ids that are associated to the earthquake: ci39488679. Id of event: ci39488679. Exact location of event, longitude -117.9956665 West, latitude 36.4329987 North, depth = 3.38 km. Exact time and date of earthquake 08/12/20 / 2020-12-08 22:31:13 / December 8, 2020 @ 10:31 pm UTC/GMT.

In the past 24 hours, there have been 0, in the last 10 days four, in the past 30 days seven and in the last 365 days one hundred and twenty-five earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. There are an estimated 1,300,000 minor earthquakes in the world each year.

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. 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: 17 km N of Olancha, CA.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -117.9956665° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 36.4329987° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 3.38 km Depth of the event in kilometers.
Place 17km N of Olancha, CA Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-12-08 22:31:13 Time when the event occurred. UTC/GMT
Updated 2020-12-08 22:33:43 Time when the event was most recently updated. UTC/GMT
Timezone offset 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 ci The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,ci, A comma-separated list of network contributors.
Number of Stations Used 44 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.06848 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.23 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 47 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 ci39488679 Id of event.
Event Code 39488679 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ci39488679, A comma-separated list of event ids that are associated to an event.

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