Light earthquake: M4.6 quake has struck near Big Lake in Alaska

A light earthquake with magnitude 4.6 (ml/mb) was reported 13 kilometers (8 miles) from Big Lake in Alaska on Tuesday. Global date and time of event UTC/GMT: 23/01/19 / 2019-01-23 05:41:48 / January 23, 2019 @ 5:41 am. Unique identifier: ak019124l1g9. Ids that are associated to the event: at00plrrtp, ak019124l1g9. A tsunami warning has been issued near Big Lake in Alaska (Does not indicate if a tsunami actually did or will exist). The 4.6-magnitude earthquake was detected at 20:41:48 / 8:41 pm (local time epicenter). Exact location, longitude -150.1875° West, latitude 61.4712° North, depth = 39.4 km. The epicenter was at a depth of 39.4 km (24 miles).

Earthquake epicenter was 32 km (20 miles) from Anchorage (c. 291 800 pop), 37 km (23 miles) from Eagle River (c. 24 800 pop), 32 km (20 miles) from Knik-Fairview (c. 14 900 pop), 49 km (30 miles) from Lakes (c. 8 400 pop), 44 km (27 miles) from Tanaina (c. 8 200 pop), 42 km (26 miles) from Wasilla (c. 7 800 pop), 35 km (22 miles) from Meadow Lakes (c. 7 600 pop). Country/countries that might be effected, United States (c. 310 233 000 pop). Nearest cities/city/villages to epicentrum/hypocenter was Palmer, Gateway, Lakes (min 5000 pop).

In the past 24 hours, there have been one, in the last 10 days five, in the past 30 days thirty-nine and in the last 365 days five hundred and six earthquakes of magnitude 3.0 or greater that has occurred nearby. There are an estimated 13,000 light quakes in the world each year. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Did you feel the quake?

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 13 km WSW of Big Lake, Alaska. This information comes from the USGS Earthquake Notification Service.

Alaska Anchorage Big Lake Eagle River Gateway Knik-Fairview Lakes Meadow Lakes Palmer Tanaina United States Wasilla

More information

Parameter	Value	Description
Magnitude	4.6 mb	The magnitude for the event.
Longitude	-150.1875° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	61.4712° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	39.4 km	Depth of the event in kilometers.
Place	13km WSW of Big 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	2019-01-23 05:41:48	Time when the event occurred. UTC/GMT
Updated	2019-01-23 05:53:00	Time when the event was most recently updated. UTC/GMT
Timezone offset	-540	Timezone offset from UTC in minutes at the event epicenter.
Felt	69	The total number of felt reports
CDI	3.4	The maximum reported intensity for the event.
MMI	3.66	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	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	349	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	,at,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	0.72 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	ak019124l1g9	Id of event.
Event Code	019124l1g9	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,at00plrrtp,ak019124l1g9,	A comma-separated list of event ids that are associated to an event.

Parameter

Value

Description

Magnitude

4.6 mb

The magnitude for the event.

Longitude

-150.1875° West

Decimal degrees longitude. Negative values for western longitudes.

Latitude

61.4712° North

Decimal degrees latitude. Negative values for southern latitudes.

Depth

39.4 km

Depth of the event in kilometers.

Place

13km WSW of Big 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

2019-01-23 05:41:48

Time when the event occurred. UTC/GMT

Updated

2019-01-23 05:53:00

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

3.4

The maximum reported intensity for the event.

MMI

3.66

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

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

349

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

,at,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

0.72 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

ak019124l1g9

Id of event.

Event Code

019124l1g9

An identifying code assigned by, and unique from, the corresponding source for the event.

Event IDS

,at00plrrtp,ak019124l1g9,

A comma-separated list of event ids that are associated to an event.

Earthquakes today

Current and latest world earthquakes breaking news, activity and articles today

Light earthquake: M4.6 quake has struck near Big Lake in Alaska

Did you feel the quake?

More information

Leave a ReplyCancel reply

Follow us!

Tsunami videos

Categories

Information