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Light earthquake: M4.5 quake has struck near Larsen Bay in Alaska

Posted by admin on March 16, 2017 0 Comments

Earthquake location 57.1134S, -154.2585WA light earthquake magnitude 4.5 (ml/mb) strikes 46 km SSW of Larsen Bay, Alaska (29 miles) on Wednesday. Event id: ak15504355. Ids that are associated to the earthquake: at00omwe0x, ak15504355, us20008sfg. Exact location of earthquake, -154.2585° West, 57.1134° North, depth 76.2 km. The temblor was detected at 22:55:45 / 10:55 pm (local time epicenter). A tsunami warning has been issued near Larsen Bay in Alaska (Does not indicate if a tsunami actually did or will exist). The earthquake was roughly at a depth of 76.2 km (47 miles). Exact time and date of event in UTC/GMT: 16/03/17 / 2017-03-16 07:55:45 / March 16, 2017 @ 7:55 am.

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 one, in the past 30 days five and in the last 365 days twenty-four earthquakes of magnitude 3.0 or greater that was reported nearby.

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, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 46 km SSW of Larsen Bay, 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 -154.2585° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 57.1134° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 76.2 km Depth of the event in kilometers.
Place 46km SSW 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 2017-03-16 07:55:45 Time when the event occurred. UTC/GMT
Updated 2017-03-16 08:14:57 Time when the event was most recently updated. UTC/GMT
Timezone offset -540 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 3.17 The maximum estimated instrumental intensity for the event.
Alert Level green 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 312 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 ,at,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 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.8 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 ak15504355 Id of event.
Event Code 15504355 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,at00omwe0x,ak15504355,us20008sfg, A comma-separated list of event ids that are associated to an event.

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