Minor earthquake, 3 mag strikes near Semisopochnoi Island in Alaska

A minor earthquake with magnitude 3 (ml/mb) was detected on Sunday, 81 km S of Semisopochnoi Island, Alaska (50 miles). Exact time and date of event in UTC/GMT: 22/09/19 / 2019-09-22 23:59:56 / September 22, 2019 @ 11:59 pm. Exact location of earthquake, 179.6257° East, 51.2182° North, depth 59.38 km. The earthquake occurred at a depth of 59.38 km (37 miles). The temblor was picked up at 13:59:56 / 1:59 pm (local time epicenter). Unique identifier: us70005nwx. Ids that are associated to the event: ak019c6ngpej, us70005nwx.

In the past 24 hours, there have been two, in the last 10 days four, in the past 30 days eight and in the last 365 days fourty-nine earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 2.5 to 3.5 are often felt, but only causes minor damage. Each year there are an estimated 130,000 minor quakes in the world.

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What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 81 km S of Semisopochnoi Island, Alaska.

Alaska Semisopochnoi Island

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Parameter	Value	Description
Magnitude	3 mb	The magnitude for the event.
Longitude	179.6257° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	51.2182° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	59.38 km	Depth of the event in kilometers.
Place	81km 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	2019-09-22 23:59:56	Time when the event occurred. UTC/GMT
Updated	2019-10-01 04:22:28	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	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	0.259	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.34 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	235	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	us70005nwx	Id of event.
Event Code	70005nwx	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ak019c6ngpej,us70005nwx,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 3 mag strikes near Semisopochnoi Island in Alaska

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