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Light earthquake, 4.2 mag has occurred near Adak in Alaska

Posted by admin on December 9, 2024 0 Comments

Earthquake location 50.7067S, -177.415WA light earthquake magnitude 4.2 (ml/mb) has occurred on Monday, 140 km SSW of Adak, Alaska (87 miles). Exact location of event, depth 10 km, -177.415° West, 50.7067° North. The 4.2-magnitude earthquake was detected at 01:39:05 / 1:39 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Global time and date of event 09/12/24 / 2024-12-09 01:39:05 / December 9, 2024 @ 1:39 am UTC/GMT. All ids that are associated to the event: ak024fsxp7cx, us7000nx6e. Unique identifier: us7000nx6e. The earthquake occurred at a depth of 10 km (6 miles).

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

How would you describe the shaking?

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 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: 140 km SSW of Adak, Alaska.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude -177.415° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 50.7067° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 140 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 01:39:05 Time when the event occurred. UTC/GMT
Updated 2024-12-09 02:09:36 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 271 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 40 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 1.16 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.84 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 218 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 us7000nx6e Id of event.
Event Code 7000nx6e An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak024fsxp7cx,us7000nx6e, A comma-separated list of event ids that are associated to an event.

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