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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.2 mag, 124 km SSW of Adak, Alaska

Posted by admin on December 23, 2024 0 Comments

Earthquake location 50.8103S, -177.1771WA light earthquake magnitude 4.2 (ml/mb) has occurred on Sunday, 124 km SSW of Adak, Alaska (77 miles). The 4.2-magnitude earthquake was detected at 23:44:54 / 11:44 pm (local time epicenter). Exact location, longitude -177.1771° West, latitude 50.8103° North, depth = 10 km. Event id: us7000p0c7. Ids that are associated to the earthquake: us7000p0c7. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact time and date of earthquake 08/12/24 / 2024-12-08 23:44:54 / December 8, 2024 @ 11:44 pm UTC/GMT. The epicenter was at a depth of 10 km (6 miles).

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. In the past 24 hours, there have been one hundred and seventy-two, in the last 10 days one hundred and seventy-three, in the past 30 days one hundred and seventy-six and in the last 365 days two hundred and fifty-six earthquakes of magnitude 3.0 or greater that have been detected nearby.

Did you feel anything?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity 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: 124 km SSW of Adak, Alaska. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude -177.1771° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 50.8103° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 124 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 2024-12-08 23:44:54 Time when the event occurred. UTC/GMT
Updated 2024-12-23 02:34:37 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 ,us, A comma-separated list of network contributors.
Number of Stations Used 21 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 1.044 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.9 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 215 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 us7000p0c7 Id of event.
Event Code 7000p0c7 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000p0c7, A comma-separated list of event ids that are associated to an event.

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