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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.1 quake has struck near Kodiak in Alaska

Posted by admin on February 25, 2018 0 Comments

Earthquake location 55.8275S, -149.3737WA light earthquake with magnitude 4.1 (ml/mb) was detected on Tuesday, 286 km SE of Kodiak, Alaska (178 miles). The 4.1-magnitude earthquake has occurred at 11:14:54 / 11:14 am (local time epicenter). The earthquake occurred at a depth of 29.91 km (19 miles) below the earth’s surface. Global date and time of event UTC/GMT: 06/02/18 / 2018-02-06 21:14:54 / February 6, 2018 @ 9:14 pm. Exact location of earthquake, -149.3737° West, 55.8275° North, depth 29.91 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Unique identifier: us1000chqm. Ids that are associated to the event: ak18379633, us1000chqm.

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. Every year there are an estimated 13,000 light earthquakes in the world. In the past 24 hours, there have been three hundred and thirty-six, in the last 10 days nine hundred, in the past 30 days two thousand and nineteen and in the last 365 days two thousand and twenty-three earthquakes of magnitude 3.0 or greater that have been detected in the same area.

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. 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: 286 km SE of Kodiak, Alaska.

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More information

Parameter Value Description
Magnitude 4.1 mb The magnitude for the event.
Longitude -149.3737° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 55.8275° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 29.91 km Depth of the event in kilometers.
Place 286km 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 2018-02-06 21:14:54 Time when the event occurred. UTC/GMT
Updated 2018-02-25 04:26:07 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 259 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 2.58 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 154 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mb The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us1000chqm Id of event.
Event Code 1000chqm An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak18379633,us1000chqm, A comma-separated list of event ids that are associated to an event.

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