Minor earthquake, 3.1 mag strikes near Nikolski in Alaska

A minor earthquake with magnitude 3.1 (ml/mb) was reported 73 km SSW of Nikolski, Alaska (45 miles) on Tuesday. Global time and date of event 29/07/15 / 2015-07-29 08:21:09 / July 29, 2015 @ 8:21 am UTC/GMT. The 3.1-magnitude earthquake was detected at 21:21:09 / 9:21 pm (local time epicenter). All ids that are associated to the event: ak11662125. Unique identifier: ak11662125. Exact location of event, depth 19.1 km, -169.257° West, 52.3212° North. The earthquake was roughly at a depth of 19.1 km (12 miles).

Earthquakes 2.5 to 3.5 are often felt, but only causes minor damage. Each year there are an estimated 130,000 minor earthquakes in the world. In the past 24 hours, there have been fourty-six, in the last 10 days one hundred and thirty-five, in the past 30 days one hundred and fourty and in the last 365 days two hundred and twenty-seven earthquakes of magnitude 3.0 or greater that have been detected in the same area.

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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. 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: 73 km SSW of Nikolski, Alaska.

Alaska Nikolski

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Parameter	Value	Description
Magnitude	3.1 mb	The magnitude for the event.
Longitude	-169.257° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	52.3212° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	19.1 km	Depth of the event in kilometers.
Place	73km SSW of Nikolski, Alaska	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2015-07-29 08:21:09	Time when the event occurred. UTC/GMT
Updated	2015-08-04 01:03:22	Time when the event was most recently updated. UTC/GMT
Timezone offset	-660	Timezone offset from UTC in minutes at the event epicenter.
Felt	0	The total number of felt reports
CDI	1	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	148	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	22	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	0.6 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	219.599982432	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	ak11662125	Id of event.
Event Code	11662125	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ak11662125,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 3.1 mag strikes near Nikolski in Alaska

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