Minor earthquake, 2.8 mag strikes near Atka in Alaska

A minor earthquake magnitude 2.8 (ml/mb) has struck on Saturday, 98 km ESE of Atka, Alaska (61 miles). All ids that are associated to the event: ak11641616, us10002ngq. Unique identifier: us10002ngq. Exact location of earthquake, longitude -172.8414 West, latitude 51.9096 North, depth = 134.5 km. Exact time and date of earthquake 04/07/15 / 2015-07-04 21:10:09 / July 4, 2015 @ 9:10 pm UTC/GMT. The 2.8-magnitude earthquake has occurred at 12:10:09 / 12:10 pm (local time epicenter). The earthquake occurred at a depth of 134.5 km (84 miles) below the earth’s surface.

There are an estimated 1,300,000 minor quakes in the world each year. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. In the past 24 hours, there have been nine, in the last 10 days twelve, in the past 30 days sixteen and in the last 365 days eighty-seven earthquakes of magnitude 3.0 or greater that was reported nearby.

How would you describe the shaking?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 98 km ESE of Atka, Alaska.

Alaska Atka

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Parameter	Value	Description
Magnitude	2.8 mb	The magnitude for the event.
Longitude	-172.8414° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	51.9096° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	134.5 km	Depth of the event in kilometers.
Place	98km ESE of Atka, Alaska	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2015-07-04 21:10:09	Time when the event occurred. UTC/GMT
Updated	2015-07-25 01:21:16	Time when the event was most recently updated. UTC/GMT
Timezone offset	-540	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		Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.48 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	201	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	us10002ngq	Id of event.
Event Code	10002ngq	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ak11641616,us10002ngq,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 2.8 mag strikes near Atka in Alaska

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