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Minor earthquake, 3 mag has occurred near Unalaska in Alaska

Earthquake location 53.4124S, -165.8991WA minor earthquake with magnitude 3 (ml/mb) was detected on Friday, 66 km SE of Unalaska, Alaska (41 miles). Exact location of earthquake, longitude -165.8991 West, latitude 53.4124 North, depth = 8 km. The 3-magnitude earthquake has occurred at 05:06:15 / 5:06 am (local time epicenter). The earthquake occurred at a depth of 8 km (5 miles) below the earth’s surface. All ids that are associated to the event: ak0202pu9qhp. Unique identifier: ak0202pu9qhp. Exact time and date of earthquake 28/02/20 / 2020-02-28 16:06:15 / February 28, 2020 @ 4:06 pm UTC/GMT.

There are an estimated 130,000 minor quakes in the world each year. In the past 24 hours, there have been three, in the last 10 days ten, in the past 30 days sixteen and in the last 365 days one hundred and seven 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.

Did you feel the quake?

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. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 66 km SE of Unalaska, Alaska.

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More information

Parameter Value Description
Magnitude 3 mb The magnitude for the event.
Longitude -165.8991° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 53.4124° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 8 km Depth of the event in kilometers.
Place 66km SE 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 2020-02-28 16:06:15 Time when the event occurred. UTC/GMT
Updated 2020-03-17 11:13:15 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 138 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 0.42 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 ak0202pu9qhp Id of event.
Event Code 0202pu9qhp An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak0202pu9qhp, A comma-separated list of event ids that are associated to an event.

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