Minor earthquake 3.9 mag, 50 km S of Denali National Park, Alaska

A minor earthquake magnitude 3.9 (ml/mb) strikes 50 km S of Denali National Park, Alaska (31 miles) on Monday. The temblor was reported at 22:45:25 / 10:45 pm (local time epicenter). The epicenter of the earthquake was roughly 0 km (0 miles) below the earth’s surface. Exact time and date of event in UTC/GMT: 17/03/25 / 2025-03-17 22:45:25 / March 17, 2025 @ 10:45 pm. Unique identifier: ak0253i27m1s. Ids that are associated to the event: ak0253i27m1s. Exact location of earthquake, -151.5275° West, 63.0979° North, depth 0 km.

In the past 24 hours, there have been one, in the last 10 days two, in the past 30 days three and in the last 365 days thirty-five earthquakes of magnitude 3.0 or greater that has struck near. There are an estimated 130,000 minor earthquakes in the world each year. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage.

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How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage 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: 50 km S of Denali National Park, Alaska. This information comes from the USGS Earthquake Notification Service.

Alaska Denali National Park

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Parameter	Value	Description
Magnitude	3.9 mb	The magnitude for the event.
Longitude	-151.5275° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	63.0979° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	0 km	Depth of the event in kilometers.
Place	50 km S of Denali National Park, Alaska	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2025-03-17 22:45:25	Time when the event occurred. UTC/GMT
Updated	2025-03-17 22:48:54	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		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	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	234	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,	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	0.63 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	ak0253i27m1s	Id of event.
Event Code	0253i27m1s	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ak0253i27m1s,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake 3.9 mag, 50 km S of Denali National Park, Alaska

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