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Minor earthquake, 3.1 mag has occurred near Chernabura Island in Alaska

Posted by admin on April 23, 2018 0 Comments

Earthquake location 54.746S, -160.5123WA minor earthquake with magnitude 3.1 (ml/mb) was reported 61 km W of Chernabura Island, Alaska (38 miles) on Monday. Event ids that are associated to the earthquake: ak18905362, us2000dw7r. Id of event: us2000dw7r. The earthquake occurred at a depth of 23.62 km (15 miles) below the earth’s surface. Exact location of earthquake, longitude -160.5123 West, latitude 54.746 North, depth = 23.62 km. Date and time of earthquake in UTC/GMT: 02/04/18 / 2018-04-02 17:06:11 / April 2, 2018 @ 5:06 pm. The 3.1-magnitude earthquake was detected at 08:06:11 / 8:06 am (local time epicenter).

Each year there are an estimated 130,000 minor quakes in the world. In the past 24 hours, there have been six, in the last 10 days seven, in the past 30 days nine and in the last 365 days seventy-seven earthquakes of magnitude 3.0 or greater that have been detected nearby. Earthquakes 2.5 to 3.5 are often felt, but only causes minor damage.

Questions or comments?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home and country. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 61 km W of Chernabura Island, Alaska. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.1 mb The magnitude for the event.
Longitude -160.5123° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 54.746° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 23.62 km Depth of the event in kilometers.
Place 61km W of Chernabura Island, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-04-02 17:06:11 Time when the event occurred. UTC/GMT
Updated 2018-04-23 17:24:15 Time when the event was most recently updated. UTC/GMT
Timezone offset -540 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 148 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 0.541 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.64 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 188 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 us2000dw7r Id of event.
Event Code 2000dw7r An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak18905362,us2000dw7r, A comma-separated list of event ids that are associated to an event.

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