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Minor World Earthquakes Magnitude -3.9

Minor earthquake, 3.7 mag was detected near Atka in Alaska

Earthquake location 51.5588S, -173.4756WA minor earthquake magnitude 3.7 (ml/mb) has occurred on Monday, 86 km SE of Atka, Alaska (53 miles). Id of earthquake: us70009mmy. Event ids that are associated: ak0206e8ykcu, us70009mmy. Exact location of event, longitude -173.4756 West, latitude 51.5588 North, depth = 25.14 km. The 3.7-magnitude earthquake has occurred at 10:26:52 / 10:26 am (local time epicenter). Global date and time of event UTC/GMT: 18/05/20 / 2020-05-18 22:26:52 / May 18, 2020 @ 10:26 pm. The earthquake was roughly at a depth of 25.14 km (16 miles).

Earthquakes 3.0 to 4.0 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 nine and in the last 365 days ninety-two earthquakes of magnitude 3.0 or greater that has struck near. Each year there are an estimated 130,000 minor earthquakes in the world.

Questions or comments?

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: 86 km SE of Atka, Alaska.

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More information

Parameter Value Description
Magnitude 3.7 mb The magnitude for the event.
Longitude -173.4756° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.5588° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 25.14 km Depth of the event in kilometers.
Place 86km SE 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 2020-05-18 22:26:52 Time when the event occurred. UTC/GMT
Updated 2020-05-21 23:05:40 Time when the event was most recently updated. UTC/GMT
Timezone offset -720 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 211 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 0.784 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.81 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 us70009mmy Id of event.
Event Code 70009mmy An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak0206e8ykcu,us70009mmy, A comma-separated list of event ids that are associated to an event.

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