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Minor earthquake, 2.8 mag has occurred near Ferndale in California

Earthquake location 40.5601654S, -124.9400024WA minor earthquake magnitude 2.8 (ml/mb) has struck on Tuesday, 57 kilometers (35 miles) from Ferndale in California. The earthquake was roughly at a depth of 8.27 km (5 miles). Global time and date of event 21/09/16 / 2016-09-21 05:02:50 / September 21, 2016 @ 5:02 am UTC/GMT. Event ids that are associated to the earthquake: nc72699986. Id of event: nc72699986. Exact location of event, longitude -124.9400024 West, latitude 40.5601654 North, depth = 8.27 km. The temblor was reported at 21:02:50 / 9:02 pm (local time epicenter).

Country/countries that might be effected, United States (c. 310 233 000 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Eureka, Fortuna. Earthquake epicenter was 71 km (44 miles) from Eureka (c. 27 200 pop), 66 km (41 miles) from Fortuna (c. 11 900 pop).

In the past 24 hours, there have been 0, in the last 10 days one, in the past 30 days four and in the last 365 days thirty-five earthquakes of magnitude 3.0 or greater that was reported 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 quakes in the world.

Questions or comments?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. 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: 57 km W of Ferndale, California.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -124.9400024° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 40.5601654° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 8.27 km Depth of the event in kilometers.
Place 57km 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 2016-09-21 05:02:50 Time when the event occurred. UTC/GMT
Updated 2016-09-21 05:04:22 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 11 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.5541 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.18 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 318 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 nc72699986 Id of event.
Event Code 72699986 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,nc72699986, A comma-separated list of event ids that are associated to an event.

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