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Moderate earthquake, 5.5 mag has occurred near Semisopochnoi Island in Alaska

Posted by admin on August 14, 2016 0 Comments

Earthquake location 51.5113S, 179.5418WA moderate earthquake magnitude 5.5 (ml/mb) has occurred on Sunday, 49 km S of Semisopochnoi Island, Alaska (30 miles). The epicenter was at a depth of 75.86 km (47 miles). Exact location of earthquake, 179.5418° East, 51.5113° North, depth 75.86 km. Exact time and date of event in UTC/GMT: 14/08/16 / 2016-08-14 16:28:57 / August 14, 2016 @ 4:28 pm. A tsunami warning has been issued near Semisopochnoi Island in Alaska (Does not indicate if a tsunami actually did or will exist). Id of earthquake: us10006ds7. Event ids that are associated: at00obwr48, us10006ds7. The temblor was reported at 07:28:57 / 7:28 am (local time epicenter).

There are an estimated 1320 moderate quakes in the world each year. Earthquakes 5.0 to 6.0 may cause light damage to buildings and other structures. In the past 24 hours, there have been two, in the last 10 days two, in the past 30 days seven and in the last 365 days one hundred and twenty-four earthquakes of magnitude 3.0 or greater that have been detected nearby.

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. 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: 49 km S of Semisopochnoi Island, Alaska.

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More information

Parameter Value Description
Magnitude 5.5 mb The magnitude for the event.
Longitude 179.5418° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.5113° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 75.86 km Depth of the event in kilometers.
Place 49km S of Semisopochnoi 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 2016-08-14 16:28:57 Time when the event occurred. UTC/GMT
Updated 2016-08-14 16:54:13 Time when the event was most recently updated. UTC/GMT
Timezone offset -540 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 4.03 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 reviewed 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 465 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 ,at,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 0.202 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.95 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 40 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mwb The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us10006ds7 Id of event.
Event Code 10006ds7 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,at00obwr48,us10006ds7, A comma-separated list of event ids that are associated to an event.

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