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Minor World Earthquakes Magnitude -3.9

Earthquake: M 3.9 quake strikes near Chignik Lake in Alaska


Earthquake location 55.7359S, -158.3581WA minor earthquake magnitude 3.9 (mg/mb) was reported Friday, 63 kilometers (39 miles) from Chignik Lake in Alaska. The temblor was reported at 12:05:23 / 12:05 am (local time epicenter) at a depth of 42.3 km (26 miles). Global time of event 2014-12-19 09:05:23 UTC/GMT. A tsunami warning has not been issued, according to the U.S. Geological Survey. Exact location of event, longitude -158.3581 West, latitude 55.7359 North, depth 42.3 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: 63 km SSE of Chignik Lake, Alaska.


More information

Parameter Value Description
Magnitude 3.9 mb The magnitude for the event.
Longitude -158.3581° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 55.7359° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 42.3 km Depth of the event in kilometers.
Place 63km SSE of Chignik Lake, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2014-12-19 09:05:23 Time when the event occurred. UTC/GMT
Updated 2014-12-19 20:49:51 Time when the event was most recently updated. UTC/GMT
Timezone offset -540 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 3.08 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 234 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network ak The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ak A comma-separated list of network contributors.
Number of Stations Used The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.54 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 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 ak11468838 Id of event.
Event Code 11468838 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ak11468838 A comma-separated list of event ids that are associated to an event.

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