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Minor earthquake, 3.3 mag strikes near Adak in Alaska

Earthquake location 52.1543S, -175.6521WA minor earthquake with magnitude 3.3 (ml/mb) was reported 75 km ENE of Adak, Alaska (47 miles) on Friday. The temblor was detected at 12:40:36 / 12:40 pm (local time epicenter). Unique identifier: us70005t8v. Ids that are associated to the event: ak019brqx19d, us70005t8v. The epicenter was at a depth of 203.73 km (127 miles). Exact time and date of event in UTC/GMT: 13/09/19 / 2019-09-13 22:40:36 / September 13, 2019 @ 10:40 pm. Exact location of earthquake, -175.6521° West, 52.1543° North, depth 203.73 km.

In the past 24 hours, there have been three, in the last 10 days five, in the past 30 days ten and in the last 365 days one hundred and eight earthquakes of magnitude 3.0 or greater that has occurred nearby. Earthquakes 2.5 to 3.5 are often felt, but only causes minor damage. Every year there are an estimated 130,000 minor earthquakes in the world.

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: 75 km ENE of Adak, Alaska. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.3 mb The magnitude for the event.
Longitude -175.6521° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 52.1543° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 203.73 km Depth of the event in kilometers.
Place 75km ENE 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 2019-09-13 22:40:36 Time when the event occurred. UTC/GMT
Updated 2019-10-11 23:49:03 Time when the event was most recently updated. UTC/GMT
Timezone offset -600 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 168 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 ,ak,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 0.239 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.26 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 168 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 us70005t8v Id of event.
Event Code 70005t8v An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak019brqx19d,us70005t8v, A comma-separated list of event ids that are associated to an event.

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