Minor earthquake: M3.8 quake has struck near Adak in Alaska

A minor earthquake with magnitude 3.8 (ml/mb) was reported 289 km WSW of Adak, Alaska (180 miles) on Tuesday. Unique identifier: us7000crb7. Ids that are associated to the event: ak020g2yzve2, us7000crb7. Date and time of earthquake in UTC/GMT: 15/12/20 / 2020-12-15 08:22:47 / December 15, 2020 @ 8:22 am. Exact location of earthquake, 179.4596° East, 50.977° North, depth 29.45 km. The epicenter of the earthquake was roughly 29.45 km (18 miles) below the earth’s surface. The temblor was reported at 08:22:47 / 8:22 am (local time epicenter).

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 six, in the past 30 days twelve and in the last 365 days one hundred and five earthquakes of magnitude 3.0 or greater that have been detected nearby. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage.

Did you feel the quake?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking 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: 289 km WSW of Adak, Alaska. This data comes from the USGS Earthquake Notification Service.

Adak Alaska

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Parameter	Value	Description
Magnitude	3.8 mb	The magnitude for the event.
Longitude	179.4596° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	50.977° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	29.45 km	Depth of the event in kilometers.
Place	289 km WSW of Adak, Alaska	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2020-12-15 08:22:47	Time when the event occurred. UTC/GMT
Updated	2020-12-22 08:19:15	Time when the event was most recently updated. UTC/GMT
Timezone offset		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	222	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	1.228	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.86 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	180	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	us7000crb7	Id of event.
Event Code	7000crb7	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ak020g2yzve2,us7000crb7,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake: M3.8 quake has struck near Adak in Alaska

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