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

A 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.

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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.

Alaska Anchorage Eagle River Elmendorf Air Force Base Knik-Fairview Lakes Meadow Lakes Palmer Tanaina United States Wasilla

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.

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

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

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

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

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

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