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Moderate earthquake, 5.6 mag strikes near Adak in Alaska

Posted by admin on March 22, 2025 0 Comments

Earthquake location 51.2593S, -176.1996WA moderate earthquake with magnitude 5.6 (ml/mb) was reported 74 km SSE of Adak, Alaska (46 miles) on Saturday. Exact location of earthquake, -176.1996° West, 51.2593° North, depth 45.04 km. The 5.6-magnitude earthquake was detected at 09:49:25 / 9:49 am (local time epicenter). The epicenter was at a depth of 45.04 km (28 miles). Global time and date of event 22/03/25 / 2025-03-22 09:49:25 / March 22, 2025 @ 9:49 am UTC/GMT. A tsunami warning has been issued near Adak in Alaska (Does not indicate if a tsunami actually did or will exist). All ids that are associated to the event: at00stirae, ak0253q46kf8, us7000plu1. Unique identifier: us7000plu1.

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

Did you feel the quake?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 74 km SSE of Adak, Alaska.

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More information

Parameter Value Description
Magnitude 5.6 mb The magnitude for the event.
Longitude -176.1996° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.2593° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 45.04 km Depth of the event in kilometers.
Place 74 km SSE 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 2025-03-22 09:49:25 Time when the event occurred. UTC/GMT
Updated 2025-03-22 10:09:00 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 3.778 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 482 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 100 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.84 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.98 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 135 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 us7000plu1 Id of event.
Event Code 7000plu1 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,at00stirae,ak0253q46kf8,us7000plu1, A comma-separated list of event ids that are associated to an event.

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