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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.1 mag has occurred near False Pass in Alaska

Posted by admin on May 21, 2024 0 Comments

Earthquake location 55.5361S, -165.1672WA light earthquake magnitude 4.1 (ml/mb) has struck on Sunday, 135 km WNW of False Pass, Alaska (84 miles). The temblor was detected at 07:23:49 / 7:23 am (local time epicenter). The epicenter was at a depth of 241.674 km (150 miles). Exact location of event, longitude -165.1672 West, latitude 55.5361 North, depth = 241.674 km. Date and time of earthquake in UTC/GMT: 21/04/24 / 2024-04-21 07:23:49 / April 21, 2024 @ 7:23 am. All ids that are associated to the event: ak02455chxwc, us7000mdlt. Unique identifier: us7000mdlt. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

There are an estimated 13,000 light earthquakes in the world each year. 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 two, in the past 30 days two and in the last 365 days two earthquakes of magnitude 3.0 or greater that has occurred nearby.

Questions or comments?

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, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 135 km WNW of False Pass, Alaska. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.1 mb The magnitude for the event.
Longitude -165.1672° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 55.5361° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 241.674 km Depth of the event in kilometers.
Place 135 km WNW of False Pass, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2024-04-21 07:23:49 Time when the event occurred. UTC/GMT
Updated 2024-05-12 05:13:30 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 1 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 259 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 122 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.823 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.69 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 81 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 us7000mdlt Id of event.
Event Code 7000mdlt An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak02455chxwc,us7000mdlt, A comma-separated list of event ids that are associated to an event.

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