Minor earthquake: M3.5 quake has struck near Kodiak in Alaska

A minor earthquake with magnitude 3.5 (ml/mb) was detected on Tuesday, 276 km SE of Kodiak, Alaska (171 miles). Date and time of earthquake in UTC/GMT: 21/02/18 / 2018-02-21 08:20:07 / February 21, 2018 @ 8:20 am. The temblor was reported at 22:20:07 / 10:20 pm (local time epicenter). Event id: ak18474886. Ids that are associated to the earthquake: ak18474886. The earthquake occurred at a depth of 0.6 km (0 miles). Exact location of event, longitude -149.4527 West, latitude 55.9084 North, depth = 0.6 km.

In the past 24 hours, there have been fifty-two, in the last 10 days two hundred and ninety-six, in the past 30 days two thousand, two hundred and twenty-eight and in the last 365 days two thousand, two hundred and thirty-two earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. Each year there are an estimated 130,000 minor quakes in the world.

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, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 276 km SE of Kodiak, Alaska. This information comes from the USGS Earthquake Notification Service.

Alaska Kodiak

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Parameter	Value	Description
Magnitude	3.5 mb	The magnitude for the event.
Longitude	-149.4527° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	55.9084° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	0.6 km	Depth of the event in kilometers.
Place	276km SE of Kodiak, Alaska	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2018-02-21 08:20:07	Time when the event occurred. UTC/GMT
Updated	2018-03-02 22:04:51	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	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	188	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	0.66 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	ak18474886	Id of event.
Event Code	18474886	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ak18474886,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake: M3.5 quake has struck near Kodiak in Alaska

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