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Moderate earthquake 5.4 mag, 81 km SSW of Unalaska, Alaska


Earthquake location 53.2363S, -167.1235WA moderate earthquake magnitude 5.4 (ml/mb) has occurred on Saturday, 81 km SSW of Unalaska, Alaska (50 miles). The earthquake occurred at a depth of 47.041 km (29 miles). The temblor was reported at 12:50:42 / 12:50 pm (local time epicenter). A tsunami warning has been issued near Unalaska in Alaska (Does not indicate if a tsunami actually did or will exist). Unique identifier: us6000nwpv. Ids that are associated to the event: at00skvvol, us6000nwpv, ak024ctmdua1. Exact time and date of earthquake 05/10/24 / 2024-10-05 12:50:42 / October 5, 2024 @ 12:50 pm UTC/GMT. Exact location of earthquake, -167.1235° West, 53.2363° North, depth 47.041 km.

In the past 24 hours, there have been three, in the last 10 days four, in the past 30 days five and in the last 365 days twenty-four earthquakes of magnitude 3.0 or greater that have been detected nearby. Each year there are an estimated 1320 moderate earthquakes in the world. Earthquakes 5.0 to 6.0 may cause light damage to buildings and other structures.

Questions or comments?

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: 81 km SSW of Unalaska, Alaska.

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More information

Parameter Value Description
Magnitude 5.4 mb The magnitude for the event.
Longitude -167.1235° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 53.2363° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 47.041 km Depth of the event in kilometers.
Place 81 km SSW of Unalaska, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2024-10-05 12:50:42 Time when the event occurred. UTC/GMT
Updated 2024-10-05 13:12:32 Time when the event was most recently updated. UTC/GMT
Timezone offset Timezone offset from UTC in minutes at the event epicenter.
Felt 3 The total number of felt reports
CDI 2.7 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 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 449 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,us,ak, A comma-separated list of network contributors.
Number of Stations Used 78 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.504 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.79 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 124 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 us6000nwpv Id of event.
Event Code 6000nwpv An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,at00skvvol,us6000nwpv,ak024ctmdua1, A comma-separated list of event ids that are associated to an event.

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