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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4 mag has occurred near Adak in Alaska


Earthquake location 50.9607S, -176.0973WA light earthquake with magnitude 4 (ml/mb) was reported 108 km SSE of Adak, Alaska (67 miles) on Thursday. Exact location of event, longitude -176.0973 West, latitude 50.9607 North, depth = 26.038 km. The 4-magnitude earthquake was detected at 11:05:32 / 11:05 am (local time epicenter). The earthquake occurred at a depth of 26.038 km (16 miles) below the earth’s surface. Date and time of earthquake in UTC/GMT: 03/10/24 / 2024-10-03 11:05:32 / October 3, 2024 @ 11:05 am. All ids that are associated to the event: us6000nw9b. Unique identifier: us6000nw9b. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

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

Questions or comments?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. 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: 108 km SSE of Adak, Alaska.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -176.0973° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 50.9607° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 26.038 km Depth of the event in kilometers.
Place 108 km SSE 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 2024-10-03 11:05:32 Time when the event occurred. UTC/GMT
Updated 2024-10-03 15:07:06 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 246 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 ,us, A comma-separated list of network contributors.
Number of Stations Used 65 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.993 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.57 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 197 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 us6000nw9b Id of event.
Event Code 6000nw9b An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000nw9b, A comma-separated list of event ids that are associated to an event.

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