Light earthquake, 4 mag strikes near Atka in Alaska

A light earthquake magnitude 4 (ml/mb) has occurred on Tuesday, 220 km SSE of Atka, Alaska (137 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of event, depth 17.84 km, -173.4718° West, 50.2648° North. The temblor was reported at 17:37:50 / 5:37 pm (local time epicenter). All ids that are associated to the event: ak024ae1sukb, us6000njz2. Unique identifier: us6000njz2. The epicenter was at a depth of 17.84 km (11 miles). Global time and date of event 13/08/24 / 2024-08-13 17:37:50 / August 13, 2024 @ 5:37 pm UTC/GMT.

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

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What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 220 km SSE of Atka, Alaska. This information comes from the USGS Earthquake Notification Service.

Alaska Atka

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Parameter	Value	Description
Magnitude	4 mb	The magnitude for the event.
Longitude	-173.4718° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	50.2648° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	17.84 km	Depth of the event in kilometers.
Place	220 km SSE of Atka, Alaska	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2024-08-13 17:37:50	Time when the event occurred. UTC/GMT
Updated	2024-08-14 16:32:28	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		The maximum reported intensity for the event.
MMI	1	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	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	246	A number describing how significant the event is. Larger numbers indicate a more significant event.
Network	us	The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources	,ak,us,	A comma-separated list of network contributors.
Number of Stations Used	38	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	1.992	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	1.02 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	257	The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type	mb	The method or algorithm used to calculate the preferred magnitude for the event.
Event Type	earthquake	Type of seismic event.
Event ID	us6000njz2	Id of event.
Event Code	6000njz2	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ak024ae1sukb,us6000njz2,	A comma-separated list of event ids that are associated to an event.

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Light earthquake, 4 mag strikes near Atka in Alaska

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