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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.5 mag strikes near Atka in Alaska

Posted by admin on October 8, 2025 0 Comments

Earthquake location 51.5537S, -175.2508WA light earthquake magnitude 4.5 (ml/mb) has occurred on Wednesday, 101 km SW of Atka, Alaska (63 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact time and date of event in UTC/GMT: 08/10/25 / 2025-10-08 19:38:50 / October 8, 2025 @ 7:38 pm. Event ids that are associated to the earthquake: us6000rfp7, ak025cx1k0fn. Id of event: us6000rfp7. The earthquake occurred at a depth of 35 km (22 miles). The 4.5-magnitude earthquake was detected at 19:38:50 / 7:38 pm (local time epicenter). Exact location of earthquake, longitude -175.2508 West, latitude 51.5537 North, depth = 35 km.

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

Did you feel the quake?

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 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: 101 km SW of Atka, Alaska.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude -175.2508° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.5537° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 35 km Depth of the event in kilometers.
Place 101 km SW of Atka, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2025-10-08 19:38:50 Time when the event occurred. UTC/GMT
Updated 2025-10-08 20:50:38 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 2.494 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 312 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 58 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.738 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.05 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 156 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 us6000rfp7 Id of event.
Event Code 6000rfp7 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000rfp7,ak025cx1k0fn, A comma-separated list of event ids that are associated to an event.

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