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Minor earthquake: M3 quake has struck near Semisopochnoi Island in Alaska

Earthquake location 51.4523S, 179.6615WA minor earthquake with magnitude 3 (ml/mb) was detected on Saturday, 55 km S of Semisopochnoi Island, Alaska (34 miles). The temblor was reported at 12:24:45 / 12:24 pm (local time epicenter). The earthquake occurred at a depth of 61 km (38 miles). Exact time and date of earthquake 25/01/20 / 2020-01-25 22:24:45 / January 25, 2020 @ 10:24 pm UTC/GMT. Id of earthquake: ak02015pogd9. Event ids that are associated: ak02015pogd9. Exact location of earthquake, longitude 179.6615 East, latitude 51.4523 North, depth = 61 km.

In the past 24 hours, there have been nine, in the last 10 days eleven, in the past 30 days thirteen and in the last 365 days seventy-eight earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 2.5 to 3.5 are often felt, but only causes minor damage. There are an estimated 130,000 minor earthquakes in the world each year.

Did you feel anything?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 55 km S of Semisopochnoi Island, Alaska. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3 mb The magnitude for the event.
Longitude 179.6615° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.4523° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 61 km Depth of the event in kilometers.
Place 55km S of Semisopochnoi Island, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-01-25 22:24:45 Time when the event occurred. UTC/GMT
Updated 2020-02-08 20:33:30 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 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 0.33 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 ak02015pogd9 Id of event.
Event Code 02015pogd9 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak02015pogd9, A comma-separated list of event ids that are associated to an event.

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