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Light earthquake: M4.1 quake has struck near Adak in Alaska

Posted by admin on September 8, 2020 0 Comments

Earthquake location 51.1008S, -179.6831WA light earthquake with magnitude 4.1 (ml/mb) was detected on Sunday, 228 km WSW of Adak, Alaska (142 miles). Exact location of event, longitude -179.6831 West, latitude 51.1008 North, depth = 36.88 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Unique identifier: us7000bj0r. Ids that are associated to the event: us7000bj0r. The temblor was detected at 18:39:10 / 6:39 pm (local time epicenter). The epicenter of the earthquake was roughly 36.88 km (23 miles) below the earth’s surface. Exact time and date of event in UTC/GMT: 06/09/20 / 2020-09-06 18:39:10 / September 6, 2020 @ 6:39 pm.

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

Did you feel the quake?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 228 km WSW of Adak, Alaska. This data 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 -179.6831° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.1008° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 36.88 km Depth of the event in kilometers.
Place 228 km WSW of Adak, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-09-06 18:39:10 Time when the event occurred. UTC/GMT
Updated 2020-09-06 19:39:15 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 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 ,us, 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 0.696 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.18 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 218 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 us7000bj0r Id of event.
Event Code 7000bj0r An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000bj0r, A comma-separated list of event ids that are associated to an event.

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