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Strong earthquake 6.9 mag, 76 km ESE of Yunaska Island, Alaska

Posted by admin on July 27, 2015 0 Comments

Earthquake location 52.3761S, -169.6581WA earthquake with magnitude 6.9 (ml/mb) was detected on Sunday, 76 km ESE of Yunaska Island, Alaska (47 miles). The temblor was detected at 17:49:44 / 5:49 pm (local time epicenter). Exact location of earthquake, longitude -169.6581 West, latitude 52.3761 North, depth = 11.93 km. A tsunami warning has been issued near Yunaska Island in Alaska (Does not indicate if a tsunami actually did or will exist). The earthquake was roughly at a depth of 11.93 km (7 miles). All ids that are associated to the event: us200030aq, pt15208051, at00ns4qqu. Unique identifier: us200030aq. Date and time of earthquake in UTC/GMT: 27/07/15 / 2015-07-27 04:49:44 / July 27, 2015 @ 4:49 am.

In the past 24 hours, there have been five, in the last 10 days seven, in the past 30 days twelve and in the last 365 days ninety-five earthquakes of magnitude 3.0 or greater that have been detected in the same area. Each year there are an estimated 135 earthquakes in the world. Earthquakes 6.0 to 6.9 may cause a lot of damage in very populated areas.

Questions or comments?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city and country. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 76 km ESE of Yunaska Island, Alaska. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 6.9 mb The magnitude for the event.
Longitude -169.6581° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 52.3761° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 11.93 km Depth of the event in kilometers.
Place 76km ESE of Yunaska 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 2015-07-27 04:49:44 Time when the event occurred. UTC/GMT
Updated 2015-07-27 05:09:44 Time when the event was most recently updated. UTC/GMT
Timezone offset -660 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 6.1 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 732 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,pt,at, 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 0.771 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.3 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 57 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mwp The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us200030aq Id of event.
Event Code 200030aq An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us200030aq,pt15208051,at00ns4qqu, A comma-separated list of event ids that are associated to an event.

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