Minor earthquake, 3.9 mag was detected near Chitina in Alaska

A minor earthquake magnitude 3.9 (ml/mb) strikes 179 km E of Chitina, Alaska (111 miles) on Tuesday. Date and time of earthquake in UTC/GMT: 28/02/17 / 2017-02-28 23:48:28 / February 28, 2017 @ 11:48 pm. The 3.9-magnitude earthquake was detected at 14:48:28 / 2:48 pm (local time epicenter). Unique identifier: ak15424076. Ids that are associated to the event: ak15424076. Exact location of event, longitude -141.0566 West, latitude 61.5314 North, depth = 13 km. The earthquake occurred at a depth of 13 km (8 miles).

In the past 24 hours, there have been two, in the last 10 days two, in the past 30 days two and in the last 365 days fourteen earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. Each year there are an estimated 130,000 minor earthquakes in the world.

How would you describe the shaking?

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. 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: 179 km E of Chitina, Alaska.

Alaska Chitina

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Parameter	Value	Description
Magnitude	3.9 mb	The magnitude for the event.
Longitude	-141.0566° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	61.5314° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	13 km	Depth of the event in kilometers.
Place	179km E of Chitina, Alaska	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2017-02-28 23:48:28	Time when the event occurred. UTC/GMT
Updated	2017-03-01 00:05:28	Time when the event was most recently updated. UTC/GMT
Timezone offset	-540	Timezone offset from UTC in minutes at the event epicenter.
Felt		The total number of felt reports
CDI		The maximum reported intensity for the event.
MMI	3.77	The maximum estimated instrumental intensity for the event.
Alert Level	green	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	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	0.93 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	ak15424076	Id of event.
Event Code	15424076	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ak15424076,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 3.9 mag was detected near Chitina in Alaska

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