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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.6 mag, 121 km S of Kodiak Station, Alaska

Earthquake location 55.8118S, -151.7053WA light earthquake magnitude 4.6 (ml/mb) has occurred on Saturday, 121 km S of Kodiak Station, Alaska (75 miles). Global time and date of event 21/12/19 / 2019-12-21 22:52:33 / December 21, 2019 @ 10:52 pm UTC/GMT. Exact location of event, depth 10.6 km, -151.7053° West, 55.8118° North. Event ids that are associated to the earthquake: us70006plt, ak019gbh6ygv. Id of event: ak019gbh6ygv. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake occurred at a depth of 10.6 km (7 miles) below the earth’s surface. The temblor was detected at 12:52:33 / 12:52 pm (local time epicenter).

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

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: 121 km S of Kodiak Station, Alaska. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.6 mb The magnitude for the event.
Longitude -151.7053° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 55.8118° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10.6 km Depth of the event in kilometers.
Place 121km S of Kodiak Station, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2019-12-21 22:52:33 Time when the event occurred. UTC/GMT
Updated 2019-12-24 01:20:38 Time when the event was most recently updated. UTC/GMT
Timezone offset -600 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 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 0.38 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 ak019gbh6ygv Id of event.
Event Code 019gbh6ygv An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us70006plt,ak019gbh6ygv, A comma-separated list of event ids that are associated to an event.

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