Minor earthquake: M3.7 quake has struck near Nikolski in Alaska

A minor earthquake magnitude 3.7 (ml/mb) strikes 33 km SE of Nikolski, Alaska (21 miles) on Sunday. Exact location of earthquake, longitude -168.5656 West, latitude 52.692 North, depth = 42.991 km. The temblor was detected at 18:25:10 / 6:25 pm (local time epicenter). Exact time and date of earthquake 04/05/25 / 2025-05-04 18:25:10 / May 4, 2025 @ 6:25 pm UTC/GMT. Id of earthquake: us7000pys4. Event ids that are associated: ak0255pdi7wu, us7000pys4. The earthquake occurred at a depth of 42.991 km (27 miles) below the earth’s surface.

In the past 24 hours, there have been six, in the last 10 days seventeen, in the past 30 days thirty-nine and in the last 365 days one hundred and thirty earthquakes of magnitude 3.0 or greater that have been detected nearby. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. Each year there are an estimated 130,000 minor earthquakes in the world.

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Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 33 km SE of Nikolski, Alaska. This data comes from the USGS Earthquake Notification Service.

Alaska Nikolski

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Parameter	Value	Description
Magnitude	3.7 mb	The magnitude for the event.
Longitude	-168.5656° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	52.692° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	42.991 km	Depth of the event in kilometers.
Place	33 km SE of Nikolski, Alaska	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2025-05-04 18:25:10	Time when the event occurred. UTC/GMT
Updated	2025-05-16 16:31:49	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	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	211	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	41	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.331	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.64 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	174	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	us7000pys4	Id of event.
Event Code	7000pys4	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ak0255pdi7wu,us7000pys4,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake: M3.7 quake has struck near Nikolski in Alaska

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