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Minor earthquake: M2.9 quake has struck near Skagway in Alaska


Earthquake location 59.895S, -136.6678WA minor earthquake magnitude 2.9 (ml/mb) strikes 90 km WNW of Skagway, Alaska (56 miles) on Tuesday. Event id: us1000hg3e. Ids that are associated to the earthquake: ak20289538, us1000hg3e. The 2.9-magnitude earthquake was detected at 05:39:57 / 5:39 am (local time epicenter). The earthquake occurred at a depth of 10 km (6 miles) below the earth’s surface. Exact time and date of event in UTC/GMT: 23/10/18 / 2018-10-23 13:39:57 / October 23, 2018 @ 1:39 pm. Exact location of event, longitude -136.6678 West, latitude 59.895 North, depth = 10 km.

In the past 24 hours, there have been 0, in the last 10 days two, in the past 30 days two and in the last 365 days thirty-two earthquakes of magnitude 3.0 or greater that have been detected in the same area. Each year there are an estimated 130,000 minor quakes in the world. Earthquakes 2.5 to 3.5 are often felt, but only causes minor damage.

Questions or comments?

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 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: 90 km WNW of Skagway, Alaska.

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More information

Parameter Value Description
Magnitude 2.9 mb The magnitude for the event.
Longitude -136.6678° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 59.895° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 90km WNW of Skagway, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-10-23 13:39:57 Time when the event occurred. UTC/GMT
Updated 2018-10-31 14:17:30 Time when the event was most recently updated. UTC/GMT
Timezone offset -480 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 129 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 0.603 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.67 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 71 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 us1000hg3e Id of event.
Event Code 1000hg3e An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak20289538,us1000hg3e, A comma-separated list of event ids that are associated to an event.

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