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Light earthquake, 4.1 mag strikes near Kaktovik in Alaska

Posted by admin on August 12, 2018 0 Comments

Earthquake location 69.786S, -144.77WA light earthquake with magnitude 4.1 (ml/mb) was detected on Sunday, 58 km SW of Kaktovik, Alaska (36 miles). The temblor was detected at 07:11:31 / 7:11 am (local time epicenter). Exact location of event, depth 20 km, -144.77° West, 69.786° North. A tsunami warning has been issued near Kaktovik in Alaska (Does not indicate if a tsunami actually did or will exist). Global time and date of event 12/08/18 / 2018-08-12 16:11:31 / August 12, 2018 @ 4:11 pm UTC/GMT. The earthquake occurred at a depth of 20 km (12 miles) below the earth’s surface. Id of earthquake: at00pdcvn7. Event ids that are associated: at00pdcvn7.

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

Did you feel it?

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, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 58 km SW of Kaktovik, 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 -144.77° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 69.786° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 20 km Depth of the event in kilometers.
Place 58km SW 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 2018-08-12 16:11:31 Time when the event occurred. UTC/GMT
Updated 2018-08-12 16:16:20 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 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 1 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 at The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,at, A comma-separated list of network contributors.
Number of Stations Used 33 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 2.061634 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.64 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 158.399987328 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 at00pdcvn7 Id of event.
Event Code 00pdcvn7 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,at00pdcvn7, A comma-separated list of event ids that are associated to an event.

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