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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.5 mag strikes near Adak in Alaska

Posted by admin on March 21, 2025 0 Comments

Earthquake location 51.2881S, -176.2937WA light earthquake with magnitude 4.5 (ml/mb) was reported 69 km SSE of Adak, Alaska (43 miles) on Friday. The temblor was detected at 19:42:36 / 7:42 pm (local time epicenter). All ids that are associated to the event: us7000plq5, ak0253omk2m9. Unique identifier: us7000plq5. Global time and date of event 21/03/25 / 2025-03-21 19:42:36 / March 21, 2025 @ 7:42 pm UTC/GMT. The earthquake occurred at a depth of 43.251 km (27 miles). Exact location of earthquake, -176.2937° West, 51.2881° North, depth 43.251 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. There are an estimated 13,000 light quakes in the world each year. In the past 24 hours, there have been twenty-one, in the last 10 days fourty-two, in the past 30 days fourty-eight and in the last 365 days three hundred and seventy-five earthquakes of magnitude 3.0 or greater that have been detected in the same area.

Did you feel the quake?

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: 69 km SSE of Adak, Alaska.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude -176.2937° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.2881° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 43.251 km Depth of the event in kilometers.
Place 69 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 2025-03-21 19:42:36 Time when the event occurred. UTC/GMT
Updated 2025-03-21 20:07:45 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 2.555 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 312 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 61 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.778 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.65 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 181 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 us7000plq5 Id of event.
Event Code 7000plq5 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000plq5,ak0253omk2m9, A comma-separated list of event ids that are associated to an event.

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