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Light earthquake: M4 quake has struck near Kaktovik in Alaska

Posted by admin on April 20, 2020 0 Comments

Earthquake location 69.4146S, -143.8576WA light earthquake with magnitude 4 (ml/mb) was reported 80 km S of Kaktovik, Alaska (50 miles) on Monday. Exact location of event, depth 10 km, -143.8576° West, 69.4146° North. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). All ids that are associated to the event: us700090pj, ak02053x632f. Unique identifier: us700090pj. The earthquake occurred at a depth of 10 km (6 miles) below the earth’s surface. Global time and date of event 20/04/20 / 2020-04-20 21:02:15 / April 20, 2020 @ 9:02 pm UTC/GMT. The 4-magnitude earthquake was detected at 12:02:15 / 12:02 pm (local time epicenter).

Each year there are an estimated 13,000 light earthquakes in the world. In the past 24 hours, there have been two, in the last 10 days three, in the past 30 days fifteen and in the last 365 days eighty earthquakes of magnitude 3.0 or greater that have been detected nearby. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

How would you describe the shaking?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking 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: 80 km S of Kaktovik, Alaska. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -143.8576° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 69.4146° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 80km S of Kaktovik, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-04-20 21:02:15 Time when the event occurred. UTC/GMT
Updated 2020-04-20 21:21:52 Time when the event was most recently updated. UTC/GMT
Timezone offset -540 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 4.71 The maximum estimated instrumental intensity for the event.
Alert Level green 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,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 1.441 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.88 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 204 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 us700090pj Id of event.
Event Code 700090pj An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us700090pj,ak02053x632f, A comma-separated list of event ids that are associated to an event.

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