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Light earthquake, 4.2 mag was detected near Elmendorf Air Force Base in Alaska


Earthquake location 61.1353S, -149.3438WA light earthquake with magnitude 4.2 (ml/mb) was detected on Thursday, 20 kilometers (12 miles) from Elmendorf Air Force Base in Alaska. Exact time and date of earthquake 15/10/20 / 2020-10-15 16:05:14 / October 15, 2020 @ 4:05 pm UTC/GMT. The temblor was reported at 16:05:14 / 4:05 pm (local time epicenter). Exact location of event, longitude -149.3438 West, latitude 61.1353 North, depth = 19.5 km. Unique identifier: ak020da7vc4e. Ids that are associated to the event: ak020da7vc4e, at00qi93cr. A tsunami warning has been issued near Elmendorf Air Force Base in Alaska (Does not indicate if a tsunami actually did or will exist). The earthquake occurred at a depth of 19.5 km (12 miles).

Nearby country/countries, United States (c. 310 233 000 pop) (That might be effected). Earthquake epicenter was 31 km (19 miles) from Anchorage (c. 291 800 pop), 24 km (15 miles) from Eagle River (c. 24 800 pop), 44 km (27 miles) from Knik-Fairview (c. 14 900 pop), 52 km (33 miles) from Lakes (c. 8 400 pop), 55 km (34 miles) from Tanaina (c. 8 200 pop), 50 km (31 miles) from Wasilla (c. 7 800 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Meadow Lakes, Tanaina, Palmer.

Each year there are an estimated 13,000 light earthquakes in the world. In the past 24 hours, there have been one, in the last 10 days five, in the past 30 days eight and in the last 365 days seventy-seven earthquakes of magnitude 3.0 or greater that have been detected in the same area. 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. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 20 km SE of Elmendorf Air Force Base, Alaska.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude -149.3438° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 61.1353° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 19.5 km Depth of the event in kilometers.
Place 20 km SE of Elmendorf Air Force Base, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-10-15 16:05:14 Time when the event occurred. UTC/GMT
Updated 2020-10-15 16:08:28 Time when the event was most recently updated. UTC/GMT
Timezone offset Timezone offset from UTC in minutes at the event epicenter.
Felt 3 The total number of felt reports
CDI 3.8 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 1 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 273 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,at, 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 0.58 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 ak020da7vc4e Id of event.
Event Code 020da7vc4e An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak020da7vc4e,at00qi93cr, A comma-separated list of event ids that are associated to an event.

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