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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.6 quake has struck near Chignik in Alaska

Posted by admin on May 18, 2024 0 Comments

Earthquake location 55.1698S, -156.912WA light earthquake magnitude 4.6 (ml/mb) has occurred on Friday, 156 km SE of Chignik, Alaska (97 miles). Event id: ak024521g2jy. Ids that are associated to the earthquake: us7000md35, ak024521g2jy. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The 4.6-magnitude earthquake was detected at 07:27:33 / 7:27 am (local time epicenter). Date and time of earthquake in UTC/GMT: 19/04/24 / 2024-04-19 07:27:33 / April 19, 2024 @ 7:27 am. Exact location of event, longitude -156.912 West, latitude 55.1698 North, depth = 15.8 km. The epicenter was at a depth of 15.8 km (10 miles).

In the past 24 hours, there have been three, in the last 10 days three, in the past 30 days three and in the last 365 days three earthquakes of magnitude 3.0 or greater that have been detected nearby. Each 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.

Questions or comments?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home and country. 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: 156 km SE of Chignik, Alaska.

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More information

Parameter Value Description
Magnitude 4.6 mb The magnitude for the event.
Longitude -156.912° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 55.1698° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 15.8 km Depth of the event in kilometers.
Place 156 km SE of Chignik, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2024-04-19 07:27:33 Time when the event occurred. UTC/GMT
Updated 2024-05-12 09:37:20 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 2.046 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 326 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network ak The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,us,ak, A comma-separated list of network contributors.
Number of Stations Used The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.43 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type ml The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID ak024521g2jy Id of event.
Event Code 024521g2jy An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000md35,ak024521g2jy, A comma-separated list of event ids that are associated to an event.

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