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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.3 mag was detected near Chirik


Earthquake location 55.3206S, -156.8801WA light earthquake magnitude 4.3 (ml/mb) strikes 97 km SW of Chirikof Island, Alaska (60 miles) on Friday. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was picked up at 21:36:39 / 9:36 pm (local time epicenter). The epicenter was at a depth of 9.2 km (6 miles). Id of earthquake: us2000a9q0. Event ids that are associated: ak16570115, us2000a9q0. Exact time and date of earthquake 19/08/17 / 2017-08-19 07:36:39 / August 19, 2017 @ 7:36 am UTC/GMT. Exact location of event, depth 9.2 km, -156.8801° West, 55.3206° North.

Every year there are an estimated 13,000 light earthquakes in the world. In the past 24 hours, there have been two, in the last 10 days two, in the past 30 days three and in the last 365 days thirty earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

How would you describe the shaking?

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: 97 km SW of Chirikof Island, Alaska.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude -156.8801° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 55.3206° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 9.2 km Depth of the event in kilometers.
Place 97km SW of Chirikof 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 2017-08-19 07:36:39 Time when the event occurred. UTC/GMT
Updated 2017-08-19 08:03:56 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 284 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 ,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 0.76 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 mwr The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us2000a9q0 Id of event.
Event Code 2000a9q0 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak16570115,us2000a9q0, A comma-separated list of event ids that are associated to an event.

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