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Minor earthquake, 3 mag strikes near Kodiak in Alaska

Posted by admin on October 20, 2017 0 Comments

Earthquake location 57.3818S, -151.4258WA minor earthquake magnitude 3 (ml/mb) has occurred on Thursday, 74 kilometers (46 miles) from Kodiak in Alaska. Exact location of earthquake, longitude -151.4258 West, latitude 57.3818 North, depth = 23.1 km. The temblor was reported at 21:41:11 / 9:41 pm (local time epicenter). Global time and date of event 20/10/17 / 2017-10-20 07:41:11 / October 20, 2017 @ 7:41 am UTC/GMT. The earthquake occurred at a depth of 23.1 km (14 miles) below the earth’s surface. Event id: ak17090579. Ids that are associated to the earthquake: ak17090579.

Closest city/cities/towns to epicentrum/hypocenter was Kodiak (min 5000 pop). Epicenter of the event was 74 km (46 miles) from Kodiak (c. 6 100 pop). Close country/countries that might be effected, United States (c. 310 233 000 pop).

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 twelve 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. There are an estimated 130,000 minor earthquakes in the world each year.

Did you feel anything?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity 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: 74 km SE of Kodiak, Alaska. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3 mb The magnitude for the event.
Longitude -151.4258° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 57.3818° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 23.1 km Depth of the event in kilometers.
Place 74km 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 2017-10-20 07:41:11 Time when the event occurred. UTC/GMT
Updated 2017-10-20 07:46:19 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 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 138 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 0.48 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 ak17090579 Id of event.
Event Code 17090579 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak17090579, A comma-separated list of event ids that are associated to an event.

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