Minor earthquake: M3.9 quake has struck near Unalaska in Alaska

A minor earthquake magnitude 3.9 (ml/mb) strikes 26 km SSW of Unalaska, Alaska (16 miles) on Monday. Id of earthquake: us10007pfd. Event ids that are associated: ak14906134, us10007pfd. Exact location of event, longitude -166.6474 West, latitude 53.646 North, depth = 62.96 km. The temblor was picked up at 22:05:31 / 10:05 pm (local time epicenter). Date and time of earthquake in UTC/GMT: 03/01/17 / 2017-01-03 08:05:31 / January 3, 2017 @ 8:05 am. The earthquake was roughly at a depth of 62.96 km (39 miles).

Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. Each year there are an estimated 130,000 minor quakes in the world. In the past 24 hours, there have been five, in the last 10 days eight, in the past 30 days seventeen and in the last 365 days one hundred and eight earthquakes of magnitude 3.0 or greater that have been detected nearby.

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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. 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: 26 km SSW of Unalaska, Alaska.

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Parameter	Value	Description
Magnitude	3.9 mb	The magnitude for the event.
Longitude	-166.6474° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	53.646° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	62.96 km	Depth of the event in kilometers.
Place	26km SSW of Unalaska, Alaska	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2017-01-03 08:05:31	Time when the event occurred. UTC/GMT
Updated	2017-01-23 14:20:19	Time when the event was most recently updated. UTC/GMT
Timezone offset	-600	Timezone offset from UTC in minutes at the event epicenter.
Felt	1	The total number of felt reports
CDI	2.7	The maximum reported intensity for the event.
MMI	2.82	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	234	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	0.216	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	1.14 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	159	The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type	mb	The method or algorithm used to calculate the preferred magnitude for the event.
Event Type	earthquake	Type of seismic event.
Event ID	us10007pfd	Id of event.
Event Code	10007pfd	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ak14906134,us10007pfd,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake: M3.9 quake has struck near Unalaska in Alaska

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