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Light earthquake, 4.7 mag has occurred near Chirik

Posted by admin on August 12, 2017 0 Comments

Earthquake location 55.4159S, -151.8479WA light earthquake with magnitude 4.7 (ml/mb) was detected on Saturday, 242 km E of Chirikof Island, Alaska (150 miles). The earthquake occurred at a depth of 10 km (6 miles) below the earth’s surface. Unique identifier: us2000a7kz. Ids that are associated to the event: ak16504851, at00ouku4w, us2000a7kz. Exact location of event, longitude -151.8479 West, latitude 55.4159 North, depth = 10 km. The 4.7-magnitude earthquake has occurred at 04:41:21 / 4:41 am (local time epicenter). Date and time of earthquake in UTC/GMT: 12/08/17 / 2017-08-12 14:41:21 / August 12, 2017 @ 2:41 pm. A tsunami warning has been issued near Chirik (Does not indicate if a tsunami actually did or will exist).

In the past 24 hours, there have been two, in the last 10 days two, in the past 30 days two and in the last 365 days five earthquakes of magnitude 3.0 or greater that has struck near. Each 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.

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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 242 km E of Chirikof Island, Alaska. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.7 mb The magnitude for the event.
Longitude -151.8479° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 55.4159° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 242km E 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 2017-08-12 14:41:21 Time when the event occurred. UTC/GMT
Updated 2017-08-12 15:13:14 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 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 340 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,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 1.742 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.96 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 149 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 us2000a7kz Id of event.
Event Code 2000a7kz An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak16504851,at00ouku4w,us2000a7kz, A comma-separated list of event ids that are associated to an event.

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