Minor earthquake, 3.3 mag strikes near King Salmon in Alaska

A minor earthquake magnitude 3.3 (ml/mb) has occurred on Thursday, 89 km SE of King Salmon, Alaska (55 miles). The epicenter of the earthquake was roughly 115.3 km (72 miles) below the earth’s surface. The 3.3-magnitude earthquake was detected at 22:21:29 / 10:21 pm (local time epicenter). Date and time of earthquake in UTC/GMT: 23/02/18 / 2018-02-23 07:21:29 / February 23, 2018 @ 7:21 am. Exact location of earthquake, -155.4212° West, 58.2158° North, depth 115.3 km. All ids that are associated to the event: ak18497470. Unique identifier: ak18497470.

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

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Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home and country. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 89 km SE of King Salmon, Alaska. This information comes from the USGS Earthquake Notification Service.

Alaska King Salmon

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Parameter	Value	Description
Magnitude	3.3 mb	The magnitude for the event.
Longitude	-155.4212° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	58.2158° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	115.3 km	Depth of the event in kilometers.
Place	89km SE of King Salmon, Alaska	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2018-02-23 07:21:29	Time when the event occurred. UTC/GMT
Updated	2018-02-23 07:33:10	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	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	168	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	ak18497470	Id of event.
Event Code	18497470	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ak18497470,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 3.3 mag strikes near King Salmon in Alaska

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