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Minor World Earthquakes Magnitude -3.9

Minor earthquake: M3.5 quake has struck near Andreanof Islands, Aleutian Islands, Alaska



Earthquake location 51.9039S, -178.4954WA minor earthquake with magnitude 3.5 (ml/mb) was reported Andreanof Islands, Aleutian Islands, Alaska (0 miles) on Wednesday. Global time and date of event 21/06/17 / 2017-06-21 07:50:35 / June 21, 2017 @ 7:50 am UTC/GMT. The temblor was picked up at 07:50:35 / 7:50 am (local time epicenter). All ids that are associated to the event: ak16210334. Unique identifier: ak16210334. Exact location of event, depth 127.8 km, -178.4954° West, 51.9039° North. The earthquake occurred at a depth of 127.8 km (79 miles).

There are an estimated 130,000 minor quakes in the world each year. In the past 24 hours, there have been ten, in the last 10 days thirteen, in the past 30 days twenty-three and in the last 365 days six hundred and fifty-two earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage.

Did you feel it?

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, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: Andreanof Islands, Aleutian Islands, Alaska. This data 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 -178.4954° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.9039° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 127.8 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 2017-06-21 07:50:35 Time when the event occurred. UTC/GMT
Updated 2017-07-19 22:07:06 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 188 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 0.51 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 ak16210334 Id of event.
Event Code 16210334 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak16210334, A comma-separated list of event ids that are associated to an event.

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