Light earthquake: M4.9 quake has struck near Alaska

A light earthquake magnitude 4.9 (ml/mb) strikes Gulf of Alaska (0 miles) on Friday. Exact location of earthquake, longitude -148.513 West, latitude 56.083 North, depth = 20 km. Id of earthquake: at00pz8q9w. Event ids that are associated: at00pz8q9w. The epicenter of the earthquake was roughly 20 km (12 miles) below the earth’s surface. The temblor was reported at 16:44:20 / 4:44 pm (local time epicenter). A tsunami warning has been issued near Alaska (Does not indicate if a tsunami actually did or will exist). Global date and time of event UTC/GMT: 12/10/19 / 2019-10-12 02:44:20 / October 12, 2019 @ 2:44 am.

In the past 24 hours, there have been one, in the last 10 days four, in the past 30 days eighteen and in the last 365 days three hundred and ninety-two earthquakes of magnitude 3.0 or greater that was reported nearby. There are an estimated 13,000 light earthquakes in the world each year. Earthquakes 4.0 to 5.0 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. 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: Gulf of Alaska.

Alaska

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Parameter	Value	Description
Magnitude	4.9 mb	The magnitude for the event.
Longitude	-148.513° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	56.083° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	20 km	Depth of the event in kilometers.
Place	Gulf of Alaska	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2019-10-12 02:44:20	Time when the event occurred. UTC/GMT
Updated	2019-10-12 02:48:44	Time when the event was most recently updated. UTC/GMT
Timezone offset	-600	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	1	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	369	A number describing how significant the event is. Larger numbers indicate a more significant event.
Network	at	The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources	,at,	A comma-separated list of network contributors.
Number of Stations Used	90	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	2.803642	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	176.399985888	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	at00pz8q9w	Id of event.
Event Code	00pz8q9w	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,at00pz8q9w,	A comma-separated list of event ids that are associated to an event.

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Light earthquake: M4.9 quake has struck near Alaska

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