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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.3 quake has struck near Skagway in Alaska

Posted by admin on May 12, 2017 0 Comments

Earthquake location 59.7823S, -136.7688WA light earthquake magnitude 4.3 (ml/mb) strikes 89 km WNW of Skagway, Alaska (55 miles) on Monday. Exact time and date of event in UTC/GMT: 01/05/17 / 2017-05-01 12:36:58 / May 1, 2017 @ 12:36 pm. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). All ids that are associated to the event: ak16020427, us10008rjw. Unique identifier: us10008rjw. Exact location of earthquake, longitude -136.7688 West, latitude 59.7823 North, depth = 3.62 km. The 4.3-magnitude earthquake has occurred at 04:36:58 / 4:36 am (local time epicenter). The epicenter of the earthquake was roughly 3.62 km (2 miles) below the earth’s surface.

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

Questions or comments?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 89 km WNW of Skagway, Alaska.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude -136.7688° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 59.7823° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 3.62 km Depth of the event in kilometers.
Place 89km 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 12:36:58 Time when the event occurred. UTC/GMT
Updated 2017-05-12 08:28:05 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 4.42 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 284 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 0.514 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.97 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 113 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 us10008rjw Id of event.
Event Code 10008rjw An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak16020427,us10008rjw, A comma-separated list of event ids that are associated to an event.

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