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Light earthquake: M4 quake has struck near Yunaska Island in Alaska

Posted by admin on January 20, 2016 0 Comments

Earthquake location 52.3449S, -169.7392WA light earthquake magnitude 4 (ml/mb) has struck on Tuesday, 72 km ESE of Yunaska Island, Alaska (45 miles). Exact time and date of earthquake 19/01/16 / 2016-01-19 18:16:33 / January 19, 2016 @ 6:16 pm UTC/GMT. Exact location of earthquake, -169.7392° West, 52.3449° North, depth 51.38 km. The 4-magnitude earthquake has occurred at 07:16:33 / 7:16 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Event ids that are associated to the earthquake: ak12472962, us10004fnw. Id of event: us10004fnw. The epicenter was at a depth of 51.38 km (32 miles).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been one, in the last 10 days four, in the past 30 days eleven and in the last 365 days three hundred and ninety-four earthquakes of magnitude 3.0 or greater that has occurred nearby. There are an estimated 13,000 light quakes in the world each year.

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, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 72 km ESE of Yunaska Island, Alaska. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -169.7392° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 52.3449° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 51.38 km Depth of the event in kilometers.
Place 72km ESE of Yunaska 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 2016-01-19 18:16:33 Time when the event occurred. UTC/GMT
Updated 2016-01-20 17:58:03 Time when the event was most recently updated. UTC/GMT
Timezone offset -660 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 1 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 246 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 0.488 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.26 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 209 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mb The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us10004fnw Id of event.
Event Code 10004fnw An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak12472962,us10004fnw, A comma-separated list of event ids that are associated to an event.

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