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Moderate earthquake 5.4 mag, 70 km SSE of Adak, Alaska

Posted by admin on March 20, 2025 0 Comments

Earthquake location 51.2954S, -176.2273WA moderate earthquake magnitude 5.4 (ml/mb) strikes 70 km SSE of Adak, Alaska (43 miles) on Thursday. A tsunami warning has been issued near Adak in Alaska (Does not indicate if a tsunami actually did or will exist). The temblor was detected at 05:13:07 / 5:13 am (local time epicenter). The earthquake occurred at a depth of 35 km (22 miles) below the earth’s surface. Global time and date of event 20/03/25 / 2025-03-20 05:13:07 / March 20, 2025 @ 5:13 am UTC/GMT. Unique identifier: us6000pzwx. Ids that are associated to the event: us6000pzwx, at00step5t, ak0253mqidsj. Exact location of earthquake, longitude -176.2273 West, latitude 51.2954 North, depth = 35 km.

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

Did you feel it?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking 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: 70 km SSE of Adak, Alaska.

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More information

Parameter Value Description
Magnitude 5.4 mb The magnitude for the event.
Longitude -176.2273° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.2954° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 35 km Depth of the event in kilometers.
Place 70 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 2025-03-20 05:13:07 Time when the event occurred. UTC/GMT
Updated 2025-03-20 05:26:57 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 3.1 The maximum reported intensity for the event.
MMI 3.705 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 ,us,at,ak, A comma-separated list of network contributors.
Number of Stations Used 63 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.802 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.53 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 173 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 us6000pzwx Id of event.
Event Code 6000pzwx An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000pzwx,at00step5t,ak0253mqidsj, A comma-separated list of event ids that are associated to an event.

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