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Minor earthquake, 2.8 mag was detected near Unalaska in Alaska

Earthquake location 53.4958S, -166.6397WA minor earthquake magnitude 2.8 (ml/mb) has occurred on Tuesday, 42 km S of Unalaska, Alaska (26 miles). Exact time and date of event in UTC/GMT: 22/05/19 / 2019-05-22 09:54:15 / May 22, 2019 @ 9:54 am. All ids that are associated to the event: ak0196izzshv, us70003vjp. Unique identifier: us70003vjp. The earthquake occurred at a depth of 71.41 km (44 miles) below the earth’s surface. The temblor was detected at 23:54:15 / 11:54 pm (local time epicenter). Exact location of event, depth 71.41 km, -166.6397° West, 53.4958° North.

In the past 24 hours, there have been three, in the last 10 days three, in the past 30 days sixteen and in the last 365 days seventy-five earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. Each year there are an estimated 1,300,000 minor quakes in the world.

How would you describe the shaking?

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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 42 km S of Unalaska, Alaska. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -166.6397° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 53.4958° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 71.41 km Depth of the event in kilometers.
Place 42km S of Unalaska, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2019-05-22 09:54:15 Time when the event occurred. UTC/GMT
Updated 2019-06-20 10:49:30 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 121 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 0.32 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.68 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 196 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 us70003vjp Id of event.
Event Code 70003vjp An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak0196izzshv,us70003vjp, A comma-separated list of event ids that are associated to an event.

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