Minor earthquake 3.1 mag, Off the coast of Southeastern Alaska

A minor earthquake with magnitude 3.1 (ml/mb) was reported Off the coast of Southeastern Alaska (0 miles) on Thursday. The 3.1-magnitude earthquake was detected at 21:47:26 / 9:47 pm (local time epicenter). Global date and time of event UTC/GMT: 20/07/18 / 2018-07-20 06:47:26 / July 20, 2018 @ 6:47 am. Exact location of earthquake, longitude -141.0647 West, latitude 55.9375 North, depth = 10 km. The earthquake was roughly at a depth of 10 km (6 miles). Unique identifier: us2000g9s9. Ids that are associated to the event: ak19914984, us2000g9s9.

There are an estimated 130,000 minor quakes in the world each year. In the past 24 hours, there have been one, in the last 10 days three, in the past 30 days three and in the last 365 days three earthquakes of magnitude 3.0 or greater that have been detected nearby. Earthquakes 2.5 to 3.5 are often felt, but only causes minor damage.

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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 data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: Off the coast of Southeastern Alaska.

Southeastern Alaska

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Parameter	Value	Description
Magnitude	3.1 mb	The magnitude for the event.
Longitude	-141.0647° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	55.9375° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	10 km	Depth of the event in kilometers.
Place	Off the coast of Southeastern Alaska	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2018-07-20 06:47:26	Time when the event occurred. UTC/GMT
Updated	2018-08-05 07:53:19	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		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	148	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	3.335	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.95 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	214	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	us2000g9s9	Id of event.
Event Code	2000g9s9	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ak19914984,us2000g9s9,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake 3.1 mag, Off the coast of Southeastern Alaska

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