Minor earthquake 3.9 mag, 111 km NE of Chignik Lake, Alaska

A minor earthquake magnitude 3.9 (ml/mb) has occurred on Friday, 111 km NE of Chignik Lake, Alaska (69 miles). Event id: ak13445706. Ids that are associated to the earthquake: ak13445706. The epicenter of the earthquake was roughly 2.1 km (1 miles) below the earth’s surface. Exact time and date of event in UTC/GMT: 15/04/16 / 2016-04-15 13:23:45 / April 15, 2016 @ 1:23 pm. The 3.9-magnitude earthquake was detected at 05:23:45 / 5:23 am (local time epicenter). Exact location, longitude -157.7334° West, latitude 57.0825° North, depth = 2.1 km.

There are an estimated 130,000 minor earthquakes in the world each year. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. In the past 24 hours, there have been three, in the last 10 days eleven, in the past 30 days sixty-eight and in the last 365 days one hundred and twenty 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. 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: 111 km NE of Chignik Lake, Alaska.

Alaska Chignik Lake

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Parameter	Value	Description
Magnitude	3.9 mb	The magnitude for the event.
Longitude	-157.7334° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	57.0825° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	2.1 km	Depth of the event in kilometers.
Place	111km NE of Chignik Lake, Alaska	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2016-04-15 13:23:45	Time when the event occurred. UTC/GMT
Updated	2016-04-15 13:52:40	Time when the event was most recently updated. UTC/GMT
Timezone offset	-480	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	3.79	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	automatic	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	0.72 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	ak13445706	Id of event.
Event Code	13445706	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ak13445706,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake 3.9 mag, 111 km NE of Chignik Lake, Alaska

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