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Minor earthquake, 3.4 mag strikes near Andreanof Islands, Aleutian Islands, Alaska

Earthquake location 51.4164S, -178.723WA minor earthquake magnitude 3.4 (ml/mb) has struck on Monday, Andreanof Islands, Aleutian Islands, Alaska (0 miles). Date and time of earthquake in UTC/GMT: 09/09/19 / 2019-09-09 03:55:48 / September 9, 2019 @ 3:55 am. All ids that are associated to the event: ak019bktjncl. Unique identifier: ak019bktjncl. Exact location of event, longitude -178.723 West, latitude 51.4164 North, depth = 11.2 km. The temblor was reported at 03:55:48 / 3:55 am (local time epicenter). The earthquake was roughly at a depth of 11.2 km (7 miles).

Earthquakes 2.5 to 3.5 are often felt, but only causes minor damage. In the past 24 hours, there have been twelve, in the last 10 days fifteen, in the past 30 days twenty-four and in the last 365 days one hundred and twenty-eight earthquakes of magnitude 3.0 or greater that have been detected in the same area. Each year there are an estimated 130,000 minor quakes in the world.

Questions or comments?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: Andreanof Islands, Aleutian Islands, Alaska.

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More information

Parameter Value Description
Magnitude 3.4 mb The magnitude for the event.
Longitude -178.723° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.4164° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 11.2 km Depth of the event in kilometers.
Place Andreanof Islands, Aleutian Islands, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2019-09-09 03:55:48 Time when the event occurred. UTC/GMT
Updated 2019-09-23 14:28:36 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 178 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network ak The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,ak, 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 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.36 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type ml The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID ak019bktjncl Id of event.
Event Code 019bktjncl An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak019bktjncl, A comma-separated list of event ids that are associated to an event.

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