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Light earthquake, 4 mag strikes near Adak in Alaska

Posted by admin on August 22, 2025 0 Comments

Earthquake location 51.1752S, 179.2106WA light earthquake magnitude 4 (ml/mb) strikes 298 km WSW of Adak, Alaska (185 miles) on Friday. The earthquake occurred at a depth of 36.454 km (23 miles). Event ids that are associated to the earthquake: us6000r2x3, ak025aqzv4uo. Id of event: us6000r2x3. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Global time and date of event 22/08/25 / 2025-08-22 00:18:32 / August 22, 2025 @ 12:18 am UTC/GMT. The temblor was reported at 00:18:32 / 12:18 am (local time epicenter). Exact location of earthquake, 179.2106° East, 51.1752° North, depth 36.454 km.

In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days three and in the last 365 days one hundred and eighteen earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. There are an estimated 13,000 light earthquakes in the world each year.

How would you describe the shaking?

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. 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: 298 km WSW of Adak, Alaska.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude 179.2106° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.1752° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 36.454 km Depth of the event in kilometers.
Place 298 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 2025-08-22 00:18:32 Time when the event occurred. UTC/GMT
Updated 2025-08-22 01:24:44 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 ,us,ak, A comma-separated list of network contributors.
Number of Stations Used 49 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.211 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.04 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 194 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 us6000r2x3 Id of event.
Event Code 6000r2x3 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000r2x3,ak025aqzv4uo, A comma-separated list of event ids that are associated to an event.

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