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Minor World Earthquakes Magnitude -3.9

Earthquake: M 2.91 quake strikes near Ferndale in California


Earthquake location 40.335S, -126.3986667WA minor earthquake magnitude 2.91 (mg/mb) has occurred on Thursday, 183 kilometers (114 miles) from Ferndale in California. The temblor was reported at 07:23:13 / 7:23 pm (local time epicenter) at a depth of 20 km (12 miles). Global time of event 2015-01-02 03:23:13 UTC/GMT. A tsunami warning has not been issued, according to the U.S. Geological Survey. Exact location of event, longitude -126.3986667 West, latitude 40.335 North, depth 20 km.

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Leave a comment or report about shaking, activity and damage at your home, city and country. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded in: 183 km W of Ferndale, California.


More information

Parameter Value Description
Magnitude 2.91 mb The magnitude for the event.
Longitude -126.3986667° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 40.335° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 20 km Depth of the event in kilometers.
Place 183km 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 2015-01-02 03:23:13 Time when the event occurred. UTC/GMT
Updated 2015-01-03 02:26:12 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 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 130 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 20 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 1.58 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.24 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 325 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 nc72373851 Id of event.
Event Code 72373851 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS nc72373851 A comma-separated list of event ids that are associated to an event.

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