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Strong earthquake 6 mag, 87 km SW of Nikolski, Alaska

Posted by admin on September 3, 2025 0 Comments

Earthquake location 52.3338S, -169.6766WA earthquake magnitude 6 (ml/mb) strikes 87 km SW of Nikolski, Alaska (54 miles) on Wednesday. Unique identifier: us7000qtm0. Ids that are associated to the event: at00t2168g, ak025bb6gdes, us7000qtm0. Date and time of earthquake in UTC/GMT: 03/09/25 / 2025-09-03 20:57:46 / September 3, 2025 @ 8:57 pm. The earthquake occurred at a depth of 10 km (6 miles) below the earth’s surface. The temblor was detected at 20:57:46 / 8:57 pm (local time epicenter). A tsunami warning has been issued near Nikolski in Alaska (Does not indicate if a tsunami actually did or will exist). Exact location of event, depth 10 km, -169.6766° West, 52.3338° North.

Earthquakes 6.0 to 6.9 may cause a lot of damage in very populated areas. Each year there are an estimated 135 quakes in the world. In the past 24 hours, there have been three, in the last 10 days six, in the past 30 days nine and in the last 365 days one hundred and seventy-eight earthquakes of magnitude 3.0 or greater that has struck near.

Questions or comments?

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, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 87 km SW of Nikolski, Alaska. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 6 mb The magnitude for the event.
Longitude -169.6766° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 52.3338° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 87 km SW 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 2025-09-03 20:57:46 Time when the event occurred. UTC/GMT
Updated 2025-09-03 21:22:04 Time when the event was most recently updated. UTC/GMT
Timezone offset Timezone offset from UTC in minutes at the event epicenter.
Felt 1 The total number of felt reports
CDI 4.1 The maximum reported intensity for the event.
MMI 4.177 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 1 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 554 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 ,at,ak,us, A comma-separated list of network contributors.
Number of Stations Used 105 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.812 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.73 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 60 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mww The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us7000qtm0 Id of event.
Event Code 7000qtm0 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,at00t2168g,ak025bb6gdes,us7000qtm0, A comma-separated list of event ids that are associated to an event.

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