Moderate earthquake, 5.2 mag has occurred near Adak in Alaska

A moderate earthquake magnitude 5.2 (ml/mb) has occurred on Thursday, 70 km SSE of Adak, Alaska (43 miles). Exact location, longitude -176.2056° West, latitude 51.3026° North, depth = 35 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was reported at 06:07:10 / 6:07 am (local time epicenter). Unique identifier: us6000pzxa. Ids that are associated to the event: us6000pzxa, ak0253mr2jhs. Exact time and date of event in UTC/GMT: 20/03/25 / 2025-03-20 06:07:10 / March 20, 2025 @ 6:07 am. The earthquake occurred at a depth of 35 km (22 miles) below the earth’s surface.

In the past 24 hours, there have been seven, in the last 10 days eight, in the past 30 days thirteen and in the last 365 days three hundred and thirty-eight earthquakes of magnitude 3.0 or greater that have been detected in the same area. 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.

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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: 70 km SSE of Adak, Alaska.

Adak Alaska

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Parameter	Value	Description
Magnitude	5.2 mb	The magnitude for the event.
Longitude	-176.2056° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	51.3026° 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 06:07:10	Time when the event occurred. UTC/GMT
Updated	2025-03-20 06:20:54	Time when the event was most recently updated. UTC/GMT
Timezone offset		Timezone offset from UTC in minutes at the event epicenter.
Felt	2	The total number of felt reports
CDI	2.8	The maximum reported intensity for the event.
MMI	3.525	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	417	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	92	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.798	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.71 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	145	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	us6000pzxa	Id of event.
Event Code	6000pzxa	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us6000pzxa,ak0253mr2jhs,	A comma-separated list of event ids that are associated to an event.

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Moderate earthquake, 5.2 mag has occurred near Adak in Alaska

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