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Minor World Earthquakes Magnitude -3.9

Minor earthquake, 3.9 mag strikes near Atka in Alaska

Earthquake location 52.0414S, -172.0672WA minor earthquake magnitude 3.9 (ml/mb) has occurred on Wednesday, 147 km E of Atka, Alaska (91 miles). Exact location of event, longitude -172.0672 West, latitude 52.0414 North, depth = 34.37 km. The 3.9-magnitude earthquake was detected at 18:28:07 / 6:28 pm (local time epicenter). Id of earthquake: us7000cn2z. Event ids that are associated: ak020fhmzsxw, us7000cn2z. The earthquake was roughly at a depth of 34.37 km (21 miles). Date and time of earthquake in UTC/GMT: 02/12/20 / 2020-12-02 18:28:07 / December 2, 2020 @ 6:28 pm.

In the past 24 hours, there have been eleven, in the last 10 days thirteen, in the past 30 days twenty and in the last 365 days one hundred and sixteen earthquakes of magnitude 3.0 or greater that has occurred nearby. Each year there are an estimated 130,000 minor quakes in the world. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage.

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What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity 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: 147 km E of Atka, Alaska. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.9 mb The magnitude for the event.
Longitude -172.0672° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 52.0414° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 34.37 km Depth of the event in kilometers.
Place 147 km E of Atka, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-12-02 18:28:07 Time when the event occurred. UTC/GMT
Updated 2020-12-21 16:06:17 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 234 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 1.258 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.86 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 165 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 us7000cn2z Id of event.
Event Code 7000cn2z An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak020fhmzsxw,us7000cn2z, A comma-separated list of event ids that are associated to an event.

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