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Light earthquake, 4.4 mag has occurred near Unalaska in Alaska

Posted by admin on February 1, 2025 0 Comments

Earthquake location 53.2768S, -167.3898WA light earthquake magnitude 4.4 (ml/mb) has occurred on Saturday, 87 km SW of Unalaska, Alaska (54 miles). Global time and date of event 01/02/25 / 2025-02-01 12:15:49 / February 1, 2025 @ 12:15 pm UTC/GMT. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake occurred at a depth of 75.148 km (47 miles). The temblor was detected at 12:15:49 / 12:15 pm (local time epicenter). Unique identifier: us7000pamb. Ids that are associated to the event: us7000pamb, ak0251h4fmp0. Exact location of event, longitude -167.3898 West, latitude 53.2768 North, depth = 75.148 km.

In the past 24 hours, there have been one, in the last 10 days three, in the past 30 days nine and in the last 365 days fifty-five 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. There are an estimated 13,000 light earthquakes in the world each year.

How would you describe the shaking?

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: 87 km SW of Unalaska, Alaska.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude -167.3898° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 53.2768° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 75.148 km Depth of the event in kilometers.
Place 87 km SW 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 2025-02-01 12:15:49 Time when the event occurred. UTC/GMT
Updated 2025-02-01 13:12:28 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 2.762 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 298 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 81 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.34 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.22 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 152 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 us7000pamb Id of event.
Event Code 7000pamb An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000pamb,ak0251h4fmp0, A comma-separated list of event ids that are associated to an event.

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