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Moderate World Earthquakes Magnitude 5–5.9

Moderate earthquake, 5.4 mag strikes near Adak in Alaska

Posted by admin on December 20, 2024 0 Comments

Earthquake location 50.8172S, -177.1826WA moderate earthquake magnitude 5.4 (ml/mb) strikes 123 km SSW of Adak, Alaska (76 miles) on Monday. The earthquake occurred at a depth of 30.471 km (19 miles). Exact time and date of event in UTC/GMT: 09/12/24 / 2024-12-09 00:39:54 / December 9, 2024 @ 12:39 am. Unique identifier: us7000nymn. Ids that are associated to the event: ak024fsx3v2t, us7000nymn. Exact location of earthquake, longitude -177.1826 West, latitude 50.8172 North, depth = 30.471 km. The 5.4-magnitude earthquake has occurred at 00:39:54 / 12:39 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Each year there are an estimated 1320 moderate quakes in the world. In the past 24 hours, there have been one hundred and sixty-one, in the last 10 days one hundred and sixty-two, in the past 30 days one hundred and sixty-six and in the last 365 days two hundred and fourty-six earthquakes of magnitude 3.0 or greater that has struck near. Earthquakes 5.0 to 6.0 may cause light damage to buildings and other structures.

Did you feel anything?

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: 123 km SSW of Adak, Alaska. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 5.4 mb The magnitude for the event.
Longitude -177.1826° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 50.8172° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 30.471 km Depth of the event in kilometers.
Place 123 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 00:39:54 Time when the event occurred. UTC/GMT
Updated 2024-12-20 04:24:40 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 449 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 24 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.946 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.42 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 247 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 us7000nymn Id of event.
Event Code 7000nymn An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak024fsx3v2t,us7000nymn, A comma-separated list of event ids that are associated to an event.

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