Minor earthquake: M3.1 quake has struck near Kodiak in Alaska

A minor earthquake magnitude 3.1 (ml/mb) has occurred on Friday, 229 km SE of Kodiak, Alaska (142 miles). Event ids that are associated to the earthquake: ak18858633, us1000dbwi. Id of event: us1000dbwi. The earthquake occurred at a depth of 20.8 km (13 miles). Global time and date of event 31/03/18 / 2018-03-31 03:17:58 / March 31, 2018 @ 3:17 am UTC/GMT. Exact location of event, longitude -149.9202 West, latitude 56.2374 North, depth = 20.8 km. The temblor was picked up at 17:17:58 / 5:17 pm (local time epicenter).

In the past 24 hours, there have been eight, in the last 10 days fifty-four, in the past 30 days three hundred and seventy-eight and in the last 365 days two thousand, nine hundred and twenty-seven earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 2.5 to 3.5 are often felt, but only causes minor damage. Each year there are an estimated 130,000 minor quakes in the world.

Questions or comments?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. 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: 229 km SE of Kodiak, Alaska.

Alaska Kodiak

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Parameter	Value	Description
Magnitude	3.1 mb	The magnitude for the event.
Longitude	-149.9202° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	56.2374° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	20.8 km	Depth of the event in kilometers.
Place	229km 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	2018-03-31 03:17:58	Time when the event occurred. UTC/GMT
Updated	2018-04-01 03:08:26	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	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	2.102	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.61 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	242	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	us1000dbwi	Id of event.
Event Code	1000dbwi	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ak18858633,us1000dbwi,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake: M3.1 quake has struck near Kodiak in Alaska

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