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Minor World Earthquakes Magnitude -3.9

Minor earthquake, 3.5726259432686 mag strikes near Adak in Alaska

Posted by admin on December 4, 2025 0 Comments

Earthquake location 50.115455627441S, -175.42588806152WA minor earthquake magnitude 3.5726259432686 (ml/mb) strikes 213 km SSE of Adak, Alaska (132 miles) on Friday. Exact time and date of earthquake 21/11/25 / 2025-11-21 09:44:28 / November 21, 2025 @ 9:44 am UTC/GMT. Id of earthquake: ak2025wxmqvi. Event ids that are associated: ak2025wxmqvi. Exact location of earthquake, -175.42588806152° West, 50.115455627441° North, depth 5.8481321334839 km. The earthquake occurred at a depth of 5.8481321334839 km (4 miles). The 3.5726259432686-magnitude earthquake has occurred at 09:44:28 / 9:44 am (local time epicenter).

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

Did you feel anything?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city 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: 213 km SSE of Adak, Alaska.

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More information

Parameter Value Description
Magnitude 3.5726259432686 mb The magnitude for the event.
Longitude -175.42588806152° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 50.115455627441° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 5.8481321334839 km Depth of the event in kilometers.
Place 213 km SSE of Adak, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2025-11-21 09:44:28 Time when the event occurred. UTC/GMT
Updated 2025-12-04 06:06:27 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 196 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 21 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 1.8551625013351 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.97159709726187 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 284.52904319763 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 ak2025wxmqvi Id of event.
Event Code 2025wxmqvi An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak2025wxmqvi, A comma-separated list of event ids that are associated to an event.

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