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

Posted by admin on December 23, 2020 0 Comments

Earthquake location 52.8158S, 170.3905WA light earthquake magnitude 4.1 (ml/mb) has occurred on Thursday, 188 km W of Attu Station, Alaska (117 miles). Date and time of earthquake in UTC/GMT: 26/11/20 / 2020-11-26 15:20:45 / November 26, 2020 @ 3:20 pm. The temblor was detected at 15:20:45 / 3:20 pm (local time epicenter). Exact location, longitude 170.3905° East, latitude 52.8158° North, depth = 20.47 km. The earthquake occurred at a depth of 20.47 km (13 miles) below the earth’s surface. Event id: us7000cl74. Ids that are associated to the earthquake: us7000cl74. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

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

Did you feel anything?

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. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 188 km W of Attu Station, Alaska.

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More information

Parameter Value Description
Magnitude 4.1 mb The magnitude for the event.
Longitude 170.3905° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 52.8158° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 20.47 km Depth of the event in kilometers.
Place 188 km W of Attu 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 2020-11-26 15:20:45 Time when the event occurred. UTC/GMT
Updated 2020-12-23 18:16:35 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 2.254 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.7 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 65 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 us7000cl74 Id of event.
Event Code 7000cl74 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000cl74, A comma-separated list of event ids that are associated to an event.

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