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Moderate earthquake, 5.4 mag was detected near Atka in Alaska

Posted by admin on July 16, 2025 0 Comments

Earthquake location 52.075S, -173.3758WA moderate earthquake magnitude 5.4 (ml/mb) has occurred on Wednesday, 58 km ESE of Atka, Alaska (36 miles). The epicenter was at a depth of 68.993 km (43 miles). A tsunami warning has been issued near Atka in Alaska (Does not indicate if a tsunami actually did or will exist). Global time and date of event 16/07/25 / 2025-07-16 14:21:52 / July 16, 2025 @ 2:21 pm UTC/GMT. The temblor was detected at 14:21:52 / 2:21 pm (local time epicenter). Unique identifier: us7000qd00. Ids that are associated to the event: at00szhx8g, ak025921c1tg, us7000qd00. Exact location, longitude -173.3758° West, latitude 52.075° North, depth = 68.993 km.

In the past 24 hours, there have been two, in the last 10 days two, in the past 30 days fifteen and in the last 365 days one hundred and seventy earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 5.0 to 6.0 may cause light damage to buildings and other structures. Each year there are an estimated 1320 moderate earthquakes in the world.

Did you feel it?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 58 km ESE of Atka, Alaska. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 5.4 mb The magnitude for the event.
Longitude -173.3758° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 52.075° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 68.993 km Depth of the event in kilometers.
Place 58 km ESE 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 2025-07-16 14:21:52 Time when the event occurred. UTC/GMT
Updated 2025-07-16 14:37:37 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 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,ak,us, A comma-separated list of network contributors.
Number of Stations Used 192 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.522 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.19 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 57 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 us7000qd00 Id of event.
Event Code 7000qd00 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,at00szhx8g,ak025921c1tg,us7000qd00, A comma-separated list of event ids that are associated to an event.

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