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Earthquake breaking news, Moderate World Earthquakes Magnitude 5–5.9

Moderate earthquake: M5 quake has struck near Adak in Alaska

Posted by admin on December 15, 2025 0 Comments

Earthquake location 51.5179S, -176.4537WA moderate earthquake magnitude 5 (ml/mb) strikes 41 km SSE of Adak, Alaska (25 miles) on Monday. The 5-magnitude earthquake has occurred at 18:03:53 / 6:03 pm (local time epicenter). Event ids that are associated to the earthquake: ak2025yqeqgg, us6000rv18. Id of event: us6000rv18. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Date and time of earthquake in UTC/GMT: 15/12/25 / 2025-12-15 18:03:53 / December 15, 2025 @ 6:03 pm. Exact location of earthquake, longitude -176.4537 West, latitude 51.5179 North, depth = 56.278 km. The earthquake occurred at a depth of 56.278 km (35 miles) below the earth’s surface.

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. In the past 24 hours, there have been two, in the last 10 days two, in the past 30 days nineteen and in the last 365 days three hundred and fourty earthquakes of magnitude 3.0 or greater that have been detected in the same area.

Did you feel anything?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 41 km SSE of Adak, Alaska.

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More information

Parameter Value Description
Magnitude 5 mb The magnitude for the event.
Longitude -176.4537° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.5179° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 56.278 km Depth of the event in kilometers.
Place 41 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 2025-12-15 18:03:53 Time when the event occurred. UTC/GMT
Updated 2025-12-15 18:24:04 Time when the event was most recently updated. UTC/GMT
Timezone offset Timezone offset from UTC in minutes at the event epicenter.
Felt 5 The total number of felt reports
CDI 3.4 The maximum reported intensity for the event.
MMI 6.001 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 386 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 ,ak,us, A comma-separated list of network contributors.
Number of Stations Used 102 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.346 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.73 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 136 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mwr The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us6000rv18 Id of event.
Event Code 6000rv18 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak2025yqeqgg,us6000rv18, A comma-separated list of event ids that are associated to an event.

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