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Light earthquake, 4.2 mag was detected near Chignik Lake in Alaska

Posted by admin on October 6, 2015 0 Comments

Earthquake location 57.0276S, -156.8462WA light earthquake with magnitude 4.2 (ml/mb) was detected on Monday, 135 km NE of Chignik Lake, Alaska (84 miles). Date and time of earthquake in UTC/GMT: 06/10/15 / 2015-10-06 00:08:54 / October 6, 2015 @ 12:08 am. Exact location of earthquake, -156.8462° West, 57.0276° North, depth 16 km. The temblor was reported at 16:08:54 / 4:08 pm (local time epicenter). The earthquake occurred at a depth of 16 km (10 miles) below the earth’s surface. All ids that are associated to the event: us10003kl5, ak11731794. Unique identifier: ak11731794. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

In the past 24 hours, there have been two, in the last 10 days four, in the past 30 days thirteen and in the last 365 days seventy-seven earthquakes of magnitude 3.0 or greater that has struck near. Every year there are an estimated 13,000 light earthquakes in the world. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Did you feel anything?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home 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: 135 km NE of Chignik Lake, Alaska.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude -156.8462° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 57.0276° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 16 km Depth of the event in kilometers.
Place 135km NE 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 2015-10-06 00:08:54 Time when the event occurred. UTC/GMT
Updated 2015-10-06 00:43:17 Time when the event was most recently updated. UTC/GMT
Timezone offset -480 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 1 The maximum reported intensity for the event.
MMI 4.23 The maximum estimated instrumental intensity for the event.
Alert Level green 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 271 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 ,us,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 0.93 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 ak11731794 Id of event.
Event Code 11731794 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10003kl5,ak11731794, A comma-separated list of event ids that are associated to an event.

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