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Minor World Earthquakes Magnitude -3.9

Minor earthquake, 3.8 mag was detected near Adak in Alaska

Earthquake location 51.2383S, 179.7456WA minor earthquake magnitude 3.8 (ml/mb) strikes 260 km WSW of Adak, Alaska (162 miles) on Monday. Exact location of earthquake, longitude 179.7456 East, latitude 51.2383 North, depth = 5.36 km. Exact time and date of event in UTC/GMT: 07/12/20 / 2020-12-07 20:38:23 / December 7, 2020 @ 8:38 pm. Event ids that are associated to the earthquake: ak020fpxxl11, us7000crd7. Id of event: us7000crd7. The earthquake occurred at a depth of 5.36 km (3 miles). The 3.8-magnitude earthquake was detected at 20:38:23 / 8:38 pm (local time epicenter).

In the past 24 hours, there have been five, in the last 10 days eight, in the past 30 days twelve and in the last 365 days one hundred and four earthquakes of magnitude 3.0 or greater that has struck near. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. Every year there are an estimated 130,000 minor earthquakes 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: 260 km WSW of Adak, Alaska. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.8 mb The magnitude for the event.
Longitude 179.7456° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.2383° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 5.36 km Depth of the event in kilometers.
Place 260 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 2020-12-07 20:38:23 Time when the event occurred. UTC/GMT
Updated 2020-12-18 23:29:51 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 222 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 ,ak,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 0.956 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.72 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 222 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 us7000crd7 Id of event.
Event Code 7000crd7 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak020fpxxl11,us7000crd7, A comma-separated list of event ids that are associated to an event.

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