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Minor World Earthquakes Magnitude -3.9

Minor earthquake, 3.7282753140871 mag has occurred near Adak in Alaska


Earthquake location 51.244987487793S, -178.40069580078WA minor earthquake magnitude 3.7282753140871 (ml/mb) strikes 141 km WSW of Adak, Alaska (88 miles) on Thursday. Global date and time of event UTC/GMT: 13/11/25 / 2025-11-13 09:17:41 / November 13, 2025 @ 9:17 am. Exact location of event, longitude -178.40069580078 West, latitude 51.244987487793 North, depth = 22.861951828003 km. All ids that are associated to the event: ak2025wityrq. Unique identifier: ak2025wityrq. The temblor was detected at 09:17:41 / 9:17 am (local time epicenter). The earthquake was roughly at a depth of 22.861951828003 km (14 miles).

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

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 information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 141 km WSW of Adak, Alaska.

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More information

Parameter Value Description
Magnitude 3.7282753140871 mb The magnitude for the event.
Longitude -178.40069580078° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.244987487793° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 22.861951828003 km Depth of the event in kilometers.
Place 141 km WSW 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 2025-11-13 09:17:41 Time when the event occurred. UTC/GMT
Updated 2025-11-13 09:19:50 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 214 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 36 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.40302640199661 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.77044418150646 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 208.94438934326 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 ak2025wityrq Id of event.
Event Code 2025wityrq An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak2025wityrq, A comma-separated list of event ids that are associated to an event.

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