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Moderate earthquake 5.3 mag, Rat Islands, Aleutian Islands, Alaska


Earthquake location 52.0567S, 178.2672WA moderate earthquake magnitude 5.3 (ml/mb) strikes Rat Islands, Aleutian Islands, Alaska (0 miles) on Saturday. A tsunami warning has been issued near Rat Islands, Aleutian Islands, Alaska (Does not indicate if a tsunami actually did or will exist). Event id: us6000qvdz. Ids that are associated to the earthquake: at00t014c3, us6000qvdz, ak0259ipzu4h. The earthquake was roughly at a depth of 134.164 km (83 miles). Exact location of event, longitude 178.2672 East, latitude 52.0567 North, depth = 134.164 km. The temblor was reported at 23:09:39 / 11:09 pm (local time epicenter). Date and time of earthquake in UTC/GMT: 26/07/25 / 2025-07-26 23:09:39 / July 26, 2025 @ 11:09 pm.

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

How would you describe the shaking?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city and country. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: Rat Islands, Aleutian Islands, Alaska. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 5.3 mb The magnitude for the event.
Longitude 178.2672° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 52.0567° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 134.164 km Depth of the event in kilometers.
Place Rat Islands, Aleutian Islands, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2025-07-26 23:09:39 Time when the event occurred. UTC/GMT
Updated 2025-07-26 23:26:22 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 2.612 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 432 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,us,ak, A comma-separated list of network contributors.
Number of Stations Used 146 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.213 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.91 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 34 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 us6000qvdz Id of event.
Event Code 6000qvdz An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,at00t014c3,us6000qvdz,ak0259ipzu4h, A comma-separated list of event ids that are associated to an event.

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