Minor earthquake, 2.8 mag strikes near Amatignak Island in Alaska

A minor earthquake magnitude 2.8 (ml/mb) has occurred on Monday, 45 km SW of Amatignak Island, Alaska (28 miles). The epicenter was at a depth of 30.18 km (19 miles). Event ids that are associated to the earthquake: ak18699098, us1000d52p. Id of event: us1000d52p. Exact location, longitude -179.6041° West, latitude 50.9955° North, depth = 30.18 km. The temblor was detected at 05:41:22 / 5:41 am (local time epicenter). Exact time and date of event in UTC/GMT: 12/03/18 / 2018-03-12 17:41:22 / March 12, 2018 @ 5:41 pm.

In the past 24 hours, there have been four, in the last 10 days nine, in the past 30 days eleven and in the last 365 days six hundred and thirty-three earthquakes of magnitude 3.0 or greater that have been detected in the same area. There are an estimated 1,300,000 minor earthquakes in the world each year. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage.

Questions or comments?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity 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: 45 km SW of Amatignak Island, Alaska. This data comes from the USGS Earthquake Notification Service.

Alaska Amatignak Island

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Parameter	Value	Description
Magnitude	2.8 mb	The magnitude for the event.
Longitude	-179.6041° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	50.9955° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	30.18 km	Depth of the event in kilometers.
Place	45km SW of Amatignak Island, Alaska	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2018-03-12 17:41:22	Time when the event occurred. UTC/GMT
Updated	2018-04-09 14:12:26	Time when the event was most recently updated. UTC/GMT
Timezone offset	-720	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	0.788	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.47 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	219	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	us1000d52p	Id of event.
Event Code	1000d52p	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ak18699098,us1000d52p,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 2.8 mag strikes near Amatignak Island in Alaska

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