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Light earthquake, 4.5 mag has occurred near Skagway in Alaska



Earthquake location 59.7174S, -136.5406WA light earthquake with magnitude 4.5 (ml/mb) was reported 75 km WNW of Skagway, Alaska (47 miles) on Monday. The epicenter of the earthquake was roughly 12.9 km (8 miles) below the earth’s surface. Exact location of earthquake, -136.5406° West, 59.7174° North, depth 12.9 km. Event ids that are associated to the earthquake: ak15854997, at00opa4ap. Id of event: ak15854997. The 4.5-magnitude earthquake has occurred at 06:59:11 / 6:59 am (local time epicenter). A tsunami warning has been issued near Skagway in Alaska (Does not indicate if a tsunami actually did or will exist). Global date and time of event UTC/GMT: 01/05/17 / 2017-05-01 14:59:11 / May 1, 2017 @ 2:59 pm.

There are an estimated 13,000 light earthquakes in the world each year. In the past 24 hours, there have been twenty-one, in the last 10 days twenty-one, in the past 30 days twenty-one and in the last 365 days thirty-two earthquakes of magnitude 3.0 or greater that has struck near. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Did you feel the quake?

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. 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: 75 km WNW of Skagway, Alaska.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude -136.5406° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 59.7174° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 12.9 km Depth of the event in kilometers.
Place 75km 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 2017-05-01 14:59:11 Time when the event occurred. UTC/GMT
Updated 2017-05-01 15:08:22 Time when the event was most recently updated. UTC/GMT
Timezone offset -480 Timezone offset from UTC in minutes at the event epicenter.
Felt 2 The total number of felt reports
CDI 4.3 The maximum reported intensity for the event.
MMI 4.44 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 automatic Indicates whether the event has been reviewed by a human.
Tsunami 1 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 312 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network ak The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,ak,at, 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 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.05 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 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 ak15854997 Id of event.
Event Code 15854997 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak15854997,at00opa4ap, A comma-separated list of event ids that are associated to an event.

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