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Minor World Earthquakes Magnitude -3.9

Minor earthquake, 3.8 mag was detected near Adak in Alaska

Earthquake location 51.0463S, -179.3285WA minor earthquake magnitude 3.8 (ml/mb) strikes 208 km WSW of Adak, Alaska (129 miles) on Friday. The 3.8-magnitude earthquake has occurred at 06:31:23 / 6:31 am (local time epicenter). Exact time and date of earthquake 19/02/21 / 2021-02-19 06:31:23 / February 19, 2021 @ 6:31 am UTC/GMT. All ids that are associated to the event: us6000dkr1. Unique identifier: us6000dkr1. The earthquake occurred at a depth of 29.69 km (18 miles) below the earth’s surface. Exact location of earthquake, -179.3285° West, 51.0463° North, depth 29.69 km.

Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. In the past 24 hours, there have been twenty-four, in the last 10 days thirty, in the past 30 days thirty-two and in the last 365 days one hundred and ninety-three earthquakes of magnitude 3.0 or greater that has struck near. Each year there are an estimated 130,000 minor quakes in the world.

How would you describe the shaking?

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: 208 km WSW of Adak, Alaska. This data 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 -179.3285° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.0463° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 29.69 km Depth of the event in kilometers.
Place 208 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 2021-02-19 06:31:23 Time when the event occurred. UTC/GMT
Updated 2021-03-03 08:07:51 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 ,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 0.84 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.35 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 232 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 us6000dkr1 Id of event.
Event Code 6000dkr1 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000dkr1, A comma-separated list of event ids that are associated to an event.

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