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Minor earthquake, 3.4 mag strikes near Skagway in Alaska


Earthquake location 59.7714S, -136.7667WA minor earthquake magnitude 3.4 (ml/mb) has occurred on Saturday, 89 km WNW of Skagway, Alaska (55 miles). Exact location of event, longitude -136.7667 West, latitude 59.7714 North, depth = 1.6 km. The epicenter was at a depth of 1.6 km (1 miles). The 3.4-magnitude earthquake has occurred at 13:47:01 / 1:47 pm (local time epicenter). Id of earthquake: us2000clyf. Event ids that are associated: ak18136254, us2000clyf. Global time and date of event 20/01/18 / 2018-01-20 21:47:01 / January 20, 2018 @ 9:47 pm UTC/GMT.

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

Did you feel it?

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 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: 89 km WNW of Skagway, Alaska.

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More information

Parameter Value Description
Magnitude 3.4 mb The magnitude for the event.
Longitude -136.7667° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 59.7714° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 1.6 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 2018-01-20 21:47:01 Time when the event occurred. UTC/GMT
Updated 2018-01-20 23:40:16 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 178 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 0.512 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.61 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 83 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 us2000clyf Id of event.
Event Code 2000clyf An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak18136254,us2000clyf, A comma-separated list of event ids that are associated to an event.

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