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Minor earthquake: M3 quake has struck near Kodiak in Alaska

Posted by admin on March 17, 2018 0 Comments

Earthquake location 56.3761S, -149.2316WA minor earthquake with magnitude 3 (ml/mb) was detected on Wednesday, 248 km SE of Kodiak, Alaska (154 miles). Exact location of earthquake, longitude -149.2316 West, latitude 56.3761 North, depth = 19.85 km. Id of earthquake: us2000d9wl. Event ids that are associated: ak18573315, us2000d9wl. The epicenter of the earthquake was roughly 19.85 km (12 miles) below the earth’s surface. Exact time and date of event in UTC/GMT: 22/02/18 / 2018-02-22 06:55:11 / February 22, 2018 @ 6:55 am. The temblor was reported at 20:55:11 / 8:55 pm (local time epicenter).

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

Questions or comments?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity 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: 248 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 -149.2316° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 56.3761° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 19.85 km Depth of the event in kilometers.
Place 248km 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 2018-02-22 06:55:11 Time when the event occurred. UTC/GMT
Updated 2018-03-17 05:20:45 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 138 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 2.31 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.3 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 221 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 us2000d9wl Id of event.
Event Code 2000d9wl An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak18573315,us2000d9wl, A comma-separated list of event ids that are associated to an event.

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