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Great earthquake: M8.2 quake has struck near Kodiak in Alaska

Posted by admin on January 23, 2018 0 Comments

Earthquake location 56.0575S, -149.0971WA great earthquake magnitude 8.2 (ml/mb) strikes 278 km SE of Kodiak, Alaska (173 miles) on Monday. The temblor was picked up at 23:31:40 / 11:31 pm (local time epicenter). The earthquake occurred at a depth of 10 km (6 miles) below the earth’s surface. Exact location of earthquake, -149.0971° West, 56.0575° North, depth 10 km. Global date and time of event UTC/GMT: 23/01/18 / 2018-01-23 09:31:40 / January 23, 2018 @ 9:31 am. A tsunami warning has been issued near Kodiak in Alaska (Does not indicate if a tsunami actually did or will exist). Unique identifier: us2000cmy3. Ids that are associated to the event: at00p3054t, pt18023001, us2000cmy3.

Earthquakes 8.0 or greater can totally destroy communities near the epicenter. 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 five earthquakes of magnitude 3.0 or greater that was reported nearby. Each year there are an estimated 1-2 great quakes in the world.

Did you feel the quake?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 278 km SE of Kodiak, Alaska.

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More information

Parameter Value Description
Magnitude 8.2 mb The magnitude for the event.
Longitude -149.0971° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 56.0575° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 278km 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 2018-01-23 09:31:40 Time when the event occurred. UTC/GMT
Updated 2018-01-23 09:46:38 Time when the event was most recently updated. UTC/GMT
Timezone offset -600 Timezone offset from UTC in minutes at the event epicenter.
Felt 44 The total number of felt reports
CDI 4.3 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 1053 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 ,at,pt,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 2.577 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.06 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 66 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mww The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us2000cmy3 Id of event.
Event Code 2000cmy3 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,at00p3054t,pt18023001,us2000cmy3, A comma-separated list of event ids that are associated to an event.

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