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Minor World Earthquakes Magnitude -3.9

Minor earthquake: M3.7 quake has struck near Yunaska Island in Alaska


Earthquake location 52.1341S, -170.1038WA minor earthquake magnitude 3.7 (ml/mb) has struck on Monday, 68 km SE of Yunaska Island, Alaska (42 miles). The 3.7-magnitude earthquake was detected at 02:22:44 / 2:22 am (local time epicenter). Event ids that are associated to the earthquake: us60009bky. Id of event: us60009bky. Exact time and date of earthquake 20/04/20 / 2020-04-20 13:22:44 / April 20, 2020 @ 1:22 pm UTC/GMT. The epicenter of the earthquake was roughly 35 km (22 miles) below the earth’s surface. Exact location of event, depth 35 km, -170.1038° West, 52.1341° North.

In the past 24 hours, there have been five, in the last 10 days nine, in the past 30 days sixteen and in the last 365 days ninety-nine earthquakes of magnitude 3.0 or greater that have been detected nearby. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. There are an estimated 130,000 minor quakes in the world each year.

Did you feel the quake?

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: 68 km SE of Yunaska Island, Alaska.

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More information

Parameter Value Description
Magnitude 3.7 mb The magnitude for the event.
Longitude -170.1038° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 52.1341° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 35 km Depth of the event in kilometers.
Place 68km SE of Yunaska Island, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-04-20 13:22:44 Time when the event occurred. UTC/GMT
Updated 2020-04-26 19:13:35 Time when the event was most recently updated. UTC/GMT
Timezone offset -660 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 ,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 2.769 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.75 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 184 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 us60009bky Id of event.
Event Code 60009bky An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us60009bky, A comma-separated list of event ids that are associated to an event.

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