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Minor World Earthquakes Magnitude -3.9

Minor earthquake: M3.93 quake strikes near Ferndale in California

Earthquake location 40.3175011S, -124.5910034WA minor earthquake magnitude 3.93 (mg/mb) has striked on Thursday, 39 kilometers (24 miles) from Ferndale in California. The temblor was reported at 11:13:55 / 11:13 am (local time epicenter) at a depth of 16.91 km (11 miles). Global time of event 2015-01-29 07:13:55 UTC/GMT. A tsunami warning has not been issued, according to the U.S. Geological Survey. Exact location of event, longitude -124.5910034 West, latitude 40.3175011 North, depth 16.91 km.

Close countries, United States (c. 310 233 000 pop). The epicenter was 65 km (40 miles) from Eureka (c. 27 200 pop), 75 km (46 miles) from Arcata (c. 17 200 pop), 73 km (46 miles) from Bayside (c. 17 100 pop), 81 km (50 miles) from McKinleyville (c. 15 200 pop), 48 km (30 miles) from Fortuna (c. 11 900 pop). Nearest city, towns to epicentrum/hypocenter was McKinleyville, Arcata, Bayside.

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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: 39 km SW of Ferndale, California.

More information

Parameter Value Description
Magnitude 3.93 mb The magnitude for the event.
Longitude -124.5910034° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 40.3175011° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 16.91 km Depth of the event in kilometers.
Place 39km SW 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 2015-01-29 19:13:55 Time when the event occurred. UTC/GMT
Updated 2015-01-29 19:18:03 Time when the event was most recently updated. UTC/GMT
Timezone offset -480 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 1.85 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 238 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 45 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.2345 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.08 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 232 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 nc72388626 Id of event.
Event Code 72388626 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS nc72388626 A comma-separated list of event ids that are associated to an event.

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