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Light earthquake: M4 quake has struck near Akutan in Alaska

Posted by admin on February 4, 2018 0 Comments

Earthquake location 53.1607S, -163.9068WA light earthquake magnitude 4 (ml/mb) has struck on Sunday, 164 km SE of Akutan, Alaska (102 miles). The temblor was detected at 07:06:55 / 7:06 am (local time epicenter). Id of earthquake: us1000cfqp. Event ids that are associated: us1000cfqp. Exact time and date of event in UTC/GMT: 04/02/18 / 2018-02-04 18:06:55 / February 4, 2018 @ 6:06 pm. The earthquake occurred at a depth of 12.5 km (8 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, -163.9068° West, 53.1607° North, depth 12.5 km.

Each year there are an estimated 13,000 light earthquakes in the world. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days nine and in the last 365 days one hundred and eleven earthquakes of magnitude 3.0 or greater that was reported nearby.

How would you describe the shaking?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city and country. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 164 km SE of Akutan, Alaska.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -163.9068° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 53.1607° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 12.5 km Depth of the event in kilometers.
Place 164km SE of Akutan, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-02-04 18:06:55 Time when the event occurred. UTC/GMT
Updated 2018-02-04 18:28:47 Time when the event was most recently updated. UTC/GMT
Timezone offset -660 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 246 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 ,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 1.478 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.46 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 209 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 us1000cfqp Id of event.
Event Code 1000cfqp An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000cfqp, A comma-separated list of event ids that are associated to an event.

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