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Light earthquake, 4.5 mag has occurred near Little Sitkin Island in Alaska

Posted by admin on September 15, 2019 0 Comments

Earthquake location 51.744S, 177.9382WA light earthquake magnitude 4.5 (ml/mb) has struck on Sunday, 45 km WSW of Little Sitkin Island, Alaska (28 miles). Unique identifier: us70005gqr. Ids that are associated to the event: us70005gqr. Exact location of event, longitude 177.9382 East, latitude 51.744 North, depth = 154.13 km. The temblor was reported at 08:20:06 / 8:20 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Date and time of earthquake in UTC/GMT: 15/09/19 / 2019-09-15 18:20:06 / September 15, 2019 @ 6:20 pm. The earthquake occurred at a depth of 154.13 km (96 miles).

There are an estimated 13,000 light earthquakes in the world each year. 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 two, in the past 30 days five and in the last 365 days sixty-one earthquakes of magnitude 3.0 or greater that has struck near.

How would you describe the shaking?

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: 45 km WSW of Little Sitkin Island, Alaska. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude 177.9382° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.744° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 154.13 km Depth of the event in kilometers.
Place 45km WSW of Little Sitkin 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 2019-09-15 18:20:06 Time when the event occurred. UTC/GMT
Updated 2019-09-15 18:52:47 Time when the event was most recently updated. UTC/GMT
Timezone offset -600 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 312 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 ,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 0.926 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.79 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 181 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 us70005gqr Id of event.
Event Code 70005gqr An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us70005gqr, A comma-separated list of event ids that are associated to an event.

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