Minor earthquake: M3.3 quake has struck near Atka in Alaska

A minor earthquake with magnitude 3.3 (ml/mb) was detected on Saturday, 23 km N of Atka, Alaska (14 miles). Date and time of earthquake in UTC/GMT: 25/10/15 / 2015-10-25 03:02:49 / October 25, 2015 @ 3:02 am. Exact location of event, longitude -174.2085 West, latitude 52.4095 North, depth = 196.8 km. Event ids that are associated to the earthquake: ak11748623. Id of event: ak11748623. The earthquake was roughly at a depth of 196.8 km (122 miles). The 3.3-magnitude earthquake has occurred at 18:02:49 / 6:02 pm (local time epicenter).

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

Questions or comments?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city and country. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 23 km N of Atka, Alaska. This data comes from the USGS Earthquake Notification Service.

Alaska Atka

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Parameter	Value	Description
Magnitude	3.3 mb	The magnitude for the event.
Longitude	-174.2085° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	52.4095° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	196.8 km	Depth of the event in kilometers.
Place	23km N 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	2015-10-25 03:02:49	Time when the event occurred. UTC/GMT
Updated	2015-10-31 01:52:28	Time when the event was most recently updated. UTC/GMT
Timezone offset	-540	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	168	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	0.28 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	ak11748623	Id of event.
Event Code	11748623	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ak11748623,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake: M3.3 quake has struck near Atka in Alaska

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