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Minor earthquake: M2.8 quake has struck near Kodiak in Alaska

Posted by admin on March 20, 2018 0 Comments

Earthquake location 56.6407S, -148.67WA minor earthquake magnitude 2.8 (ml/mb) has struck on Thursday, 259 km ESE of Kodiak, Alaska (161 miles). Event id: us2000d9xr. Ids that are associated to the earthquake: ak18573413, us2000d9xr. The 2.8-magnitude earthquake has occurred at 08:46:34 / 8:46 am (local time epicenter). Date and time of earthquake in UTC/GMT: 22/02/18 / 2018-02-22 18:46:34 / February 22, 2018 @ 6:46 pm. Exact location of earthquake, -148.67° West, 56.6407° North, depth 10 km. The earthquake occurred at a depth of 10 km (6 miles).

In the past 24 hours, there have been three hundred and sixty-seven, in the last 10 days six hundred and fourty-nine, in the past 30 days two thousand, one hundred and ninety-nine and in the last 365 days two thousand, three hundred and sixty-five earthquakes of magnitude 3.0 or greater that has struck near. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. Every year there are an estimated 1,300,000 minor earthquakes in the world.

How would you describe the shaking?

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: 259 km ESE of Kodiak, Alaska. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -148.67° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 56.6407° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 259km ESE 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 18:46:34 Time when the event occurred. UTC/GMT
Updated 2018-03-20 16:52:03 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 121 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 2.417 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.76 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 248 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 us2000d9xr Id of event.
Event Code 2000d9xr An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak18573413,us2000d9xr, A comma-separated list of event ids that are associated to an event.

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