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Minor earthquake 3.4 mag, 26 km N of Girdwood, Alaska


Earthquake location 61.1829S, -149.1495WA minor earthquake magnitude 3.4 (ml/mb) has occurred on Sunday, 26 kilometers (16 miles) from Girdwood in Alaska. Exact location of earthquake, -149.1495° West, 61.1829° North, depth 28.5 km. The 3.4-magnitude earthquake was detected at 23:42:22 / 11:42 pm (local time epicenter). The earthquake occurred at a depth of 28.5 km (18 miles) below the earth’s surface. Date and time of earthquake in UTC/GMT: 24/11/24 / 2024-11-24 23:42:22 / November 24, 2024 @ 11:42 pm. All ids that are associated to the event: ak024f4hr75h. Unique identifier: ak024f4hr75h.

Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Meadow Lakes, Tanaina, Lakes. Country/countries that might be effected, United States (c. 310 233 000 pop). Earthquake epicenter was 40 km (25 miles) from Anchorage (c. 291 800 pop), 27 km (17 miles) from Eagle River (c. 24 800 pop), 44 km (27 miles) from Knik-Fairview (c. 14 900 pop), 48 km (30 miles) from Lakes (c. 8 400 pop), 52 km (32 miles) from Tanaina (c. 8 200 pop).

In the past 24 hours, there have been one, in the last 10 days two, in the past 30 days four and in the last 365 days twenty-one earthquakes of magnitude 3.0 or greater that have been detected nearby. Earthquakes 2.5 to 3.5 are often felt, but only causes minor damage. Each year there are an estimated 130,000 minor quakes in the world.

Questions or comments?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home 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: 26 km N of Girdwood, Alaska.

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More information

Parameter Value Description
Magnitude 3.4 mb The magnitude for the event.
Longitude -149.1495° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 61.1829° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 28.5 km Depth of the event in kilometers.
Place 26 km N of Girdwood, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2024-11-24 23:42:22 Time when the event occurred. UTC/GMT
Updated 2024-11-24 23:43:30 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 automatic 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 178 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network ak The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,ak, A comma-separated list of network contributors.
Number of Stations Used The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.34 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type ml The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID ak024f4hr75h Id of event.
Event Code 024f4hr75h An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak024f4hr75h, A comma-separated list of event ids that are associated to an event.

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