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Light earthquake, 4.3 mag was detected near Larsen Bay in Alaska

Posted by admin on June 21, 2017 0 Comments

Earthquake location 57.8792S, -154.3562WA light earthquake magnitude 4.3 (ml/mb) has struck on Wednesday, 43 km NNW of Larsen Bay, Alaska (27 miles). Exact location, longitude -154.3562° West, latitude 57.8792° North, depth = 74.3 km. Exact time and date of event in UTC/GMT: 21/06/17 / 2017-06-21 17:44:31 / June 21, 2017 @ 5:44 pm. Event ids that are associated to the earthquake: ak16210690, at00orwry7. Id of event: ak16210690. The 4.3-magnitude earthquake has occurred at 08:44:31 / 8:44 am (local time epicenter). The epicenter was at a depth of 74.3 km (46 miles). A tsunami warning has been issued near Larsen Bay in Alaska (Does not indicate if a tsunami actually did or will exist).

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 four and in the last 365 days thirty-seven earthquakes of magnitude 3.0 or greater that have been detected nearby. There are an estimated 13,000 light quakes in the world each year.

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 43 km NNW of Larsen Bay, Alaska. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude -154.3562° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 57.8792° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 74.3 km Depth of the event in kilometers.
Place 43km NNW of Larsen Bay, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-06-21 17:44:31 Time when the event occurred. UTC/GMT
Updated 2017-06-21 17:53:07 Time when the event was most recently updated. UTC/GMT
Timezone offset -540 Timezone offset from UTC in minutes at the event epicenter.
Felt 1 The total number of felt reports
CDI 3.1 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 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 285 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 0.77 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 ak16210690 Id of event.
Event Code 16210690 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak16210690,at00orwry7, A comma-separated list of event ids that are associated to an event.

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