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Minor World Earthquakes Magnitude -3.9

Minor earthquake 3.9 mag, 130 km SSW of Adak, Alaska


Earthquake location 50.8085S, -177.4017WA minor earthquake magnitude 3.9 (ml/mb) has occurred on Monday, 130 km SSW of Adak, Alaska (81 miles). Exact location of earthquake, -177.4017° West, 50.8085° North, depth 25.6 km. Unique identifier: ak024fsyv1wf. Ids that are associated to the event: ak024fsyv1wf. Global date and time of event UTC/GMT: 09/12/24 / 2024-12-09 03:34:37 / December 9, 2024 @ 3:34 am. The earthquake was roughly at a depth of 25.6 km (16 miles). The temblor was reported at 03:34:37 / 3:34 am (local time epicenter).

Each year there are an estimated 130,000 minor earthquakes in the world. In the past 24 hours, there have been one hundred and twenty-nine, in the last 10 days one hundred and twenty-nine, in the past 30 days one hundred and thirty-three and in the last 365 days two hundred and seventeen earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage.

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 130 km SSW of Adak, Alaska. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.9 mb The magnitude for the event.
Longitude -177.4017° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 50.8085° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 25.6 km Depth of the event in kilometers.
Place 130 km SSW 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 2024-12-09 03:34:37 Time when the event occurred. UTC/GMT
Updated 2024-12-13 21:57:24 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 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 234 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 0.46 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 ak024fsyv1wf Id of event.
Event Code 024fsyv1wf An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak024fsyv1wf, A comma-separated list of event ids that are associated to an event.

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