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Minor World Earthquakes Magnitude -3.9

Minor earthquake 3.8 mag, 127 km W of Attu Station, Alaska



Earthquake location 53.0394S, 171.3175WA minor earthquake magnitude 3.8 (ml/mb) strikes 127 km W of Attu Station, Alaska (79 miles) on Thursday. Exact time and date of earthquake 23/08/17 / 2017-08-23 14:31:34 / August 23, 2017 @ 2:31 pm UTC/GMT. The temblor was reported at 01:31:34 / 1:31 am (local time epicenter). Exact location of event, longitude 171.3175 East, latitude 53.0394 North, depth = 23.24 km. The earthquake was roughly at a depth of 23.24 km (14 miles). Event ids that are associated to the earthquake: us2000abru. Id of event: us2000abru.

In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days six and in the last 365 days fifty-two earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. 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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 127 km W of Attu Station, 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 171.3175° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 53.0394° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 23.24 km Depth of the event in kilometers.
Place 127km W of Attu Station, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-08-23 14:31:34 Time when the event occurred. UTC/GMT
Updated 2017-09-13 06:13:13 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 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 1.714 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.49 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 176 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 us2000abru Id of event.
Event Code 2000abru An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000abru, A comma-separated list of event ids that are associated to an event.

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