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Minor World Earthquakes Magnitude -3.9

Minor earthquake: M3.5 quake has struck near Attu Station in Alaska



Earthquake location 53.8607S, 170.8111WA minor earthquake with magnitude 3.5 (ml/mb) was reported 194 km NW of Attu Station, Alaska (121 miles) on Monday. Event id: us2000ar1r. Ids that are associated to the earthquake: us2000ar1r. Global time and date of event 11/09/17 / 2017-09-11 01:20:06 / September 11, 2017 @ 1:20 am UTC/GMT. The 3.5-magnitude earthquake was detected at 12:20:06 / 12:20 pm (local time epicenter). The earthquake occurred at a depth of 10 km (6 miles) below the earth’s surface. Exact location, longitude 170.8111° East, latitude 53.8607° North, depth = 10 km.

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. In the past 24 hours, there have been two, in the last 10 days four, in the past 30 days nine and in the last 365 days seventy-two earthquakes of magnitude 3.0 or greater that has occurred nearby.

Did you feel anything?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city and country. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 194 km NW of Attu Station, Alaska. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.5 mb The magnitude for the event.
Longitude 170.8111° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 53.8607° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 194km NW 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 2017-09-11 01:20:06 Time when the event occurred. UTC/GMT
Updated 2017-09-21 23:09:42 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 188 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 2.277 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 151 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 us2000ar1r Id of event.
Event Code 2000ar1r An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000ar1r, A comma-separated list of event ids that are associated to an event.

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