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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.9 mag was detected near Semisopochnoi Island in Alaska

Posted by admin on March 15, 2017 0 Comments

Earthquake location 51.1705S, 179.0891WA light earthquake with magnitude 4.9 (ml/mb) was detected on Wednesday, 93 km SSW of Semisopochnoi Island, Alaska (58 miles). The epicenter was at a depth of 27.81 km (17 miles). The 4.9-magnitude earthquake has occurred at 11:47:15 / 11:47 am (local time epicenter). Date and time of earthquake in UTC/GMT: 15/03/17 / 2017-03-15 21:47:15 / March 15, 2017 @ 9:47 pm. Exact location, longitude 179.0891° East, latitude 51.1705° North, depth = 27.81 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Id of earthquake: us20008sd5. Event ids that are associated: us20008sd5.

In the past 24 hours, there have been one, in the last 10 days three, in the past 30 days six and in the last 365 days one hundred and fourty-two earthquakes of magnitude 3.0 or greater that has struck near. Every year there are an estimated 13,000 light earthquakes in the world. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Did you feel anything?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. 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: 93 km SSW of Semisopochnoi Island, Alaska.

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More information

Parameter Value Description
Magnitude 4.9 mb The magnitude for the event.
Longitude 179.0891° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.1705° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 27.81 km Depth of the event in kilometers.
Place 93km SSW 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 2017-03-15 21:47:15 Time when the event occurred. UTC/GMT
Updated 2017-03-15 22:05:26 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 369 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 0.245 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.98 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 130 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 us20008sd5 Id of event.
Event Code 20008sd5 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20008sd5, A comma-separated list of event ids that are associated to an event.

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