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Minor earthquake 2.86 mag, 175 km W of Ferndale, California


Earthquake location 40.3853333S, -126.3165WA minor earthquake magnitude 2.86 (ml/mb) has struck on Wednesday, 175 km W of Ferndale, California (109 miles). The 2.86-magnitude earthquake has occurred at 09:53:52 / 9:53 am (local time epicenter). Date and time of earthquake in UTC/GMT: 21/12/16 / 2016-12-21 17:53:52 / December 21, 2016 @ 5:53 pm. The epicenter was at a depth of 3.62 km (2 miles). Unique identifier: nc72742270. Ids that are associated to the event: nc72742270. Exact location, longitude -126.3165° West, latitude 40.3853333° North, depth = 3.62 km.

There are an estimated 1,300,000 minor earthquakes in the world each year. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. In the past 24 hours, there have been one, in the last 10 days three, in the past 30 days twelve and in the last 365 days thirty-four earthquakes of magnitude 3.0 or greater that has struck near.

Did you feel anything?

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. 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: 175 km W of Ferndale, California.

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More information

Parameter Value Description
Magnitude 2.86 mb The magnitude for the event.
Longitude -126.3165° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 40.3853333° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 3.62 km Depth of the event in kilometers.
Place 175km W of Ferndale, California Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2016-12-21 17:53:52 Time when the event occurred. UTC/GMT
Updated 2016-12-31 01:29:02 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 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 126 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 15 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 1.513 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.33 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 328 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type md The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID nc72742270 Id of event.
Event Code 72742270 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,nc72742270, A comma-separated list of event ids that are associated to an event.

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