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Strong earthquake: M6.4 quake has struck near Adak in Alaska

Posted by admin on December 9, 2024 0 Comments

Earthquake location 51.28S, -177.416WA earthquake with magnitude 6.4 (ml/mb) was reported 85 km SW of Adak, Alaska (53 miles) on Monday. The epicenter of the earthquake was roughly 43 km (27 miles) below the earth’s surface. A tsunami warning has been issued near Adak in Alaska (Does not indicate if a tsunami actually did or will exist). Event ids that are associated to the earthquake: at00so7a21. Id of event: at00so7a21. Exact location of earthquake, -177.416° West, 51.28° North, depth 43 km. The 6.4-magnitude earthquake has occurred at 00:15:37 / 12:15 am (local time epicenter). Exact time and date of event in UTC/GMT: 09/12/24 / 2024-12-09 00:15:37 / December 9, 2024 @ 12:15 am.

Earthquakes 6.0 to 6.9 may cause a lot of damage in very populated areas. In the past 24 hours, there have been fifteen, in the last 10 days sixteen, in the past 30 days twenty-one and in the last 365 days one hundred and eleven earthquakes of magnitude 3.0 or greater that has occurred nearby. Each year there are an estimated 135 quakes in the world.

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, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 85 km SW of Adak, Alaska. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 6.4 mb The magnitude for the event.
Longitude -177.416° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.28° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 43 km Depth of the event in kilometers.
Place 85 km SW 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 00:15:37 Time when the event occurred. UTC/GMT
Updated 2024-12-09 00:20:26 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 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 630 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network at The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,at, A comma-separated list of network contributors.
Number of Stations Used 32 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.6737365 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.62 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 205.199983584 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type Mi The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID at00so7a21 Id of event.
Event Code 00so7a21 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,at00so7a21, A comma-separated list of event ids that are associated to an event.

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