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Minor earthquake 2.8 mag, 23 km SE of Redoubt Volcano, Alaska


Earthquake location 60.3517S, -152.4117WA minor earthquake with magnitude 2.8 (ml/mb) was detected on Tuesday, 23 kilometers (14 miles) from Redoubt Volcano in Alaska. Exact location of earthquake, longitude -152.4117 West, latitude 60.3517 North, depth = 108.4 km. Event ids that are associated to the earthquake: ak11660670. Id of event: ak11660670. The earthquake occurred at a depth of 108.4 km (67 miles) below the earth’s surface. Date and time of earthquake in UTC/GMT: 28/07/15 / 2015-07-28 15:28:36 / July 28, 2015 @ 3:28 pm. The 2.8-magnitude earthquake was detected at 07:28:36 / 7:28 am (local time epicenter).

The epicenter was 62 km (39 miles) from Kalifornsky (c. 7 900 pop), 67 km (42 miles) from Kenai (c. 7 100 pop). Country/countries that might be effected, United States (c. 310 233 000 pop). Closest city/cities/towns to epicentrum/hypocenter was Kenai, Kalifornsky (min 5000 pop).

Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. There are an estimated 1,300,000 minor quakes in the world each year. In the past 24 hours, there have been one, in the last 10 days four, in the past 30 days seven and in the last 365 days one hundred and thirty-two earthquakes of magnitude 3.0 or greater that has struck near.

How would you describe the shaking?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking 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: 23 km SE of Redoubt Volcano, Alaska. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -152.4117° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 60.3517° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 108.4 km Depth of the event in kilometers.
Place 23km SE of Redoubt Volcano, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-07-28 15:28:36 Time when the event occurred. UTC/GMT
Updated 2015-07-28 15:54:22 Time when the event was most recently updated. UTC/GMT
Timezone offset -480 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 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 automatic 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 121 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network ak The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,ak, 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 0.75 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 ml The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID ak11660670 Id of event.
Event Code 11660670 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak11660670, A comma-separated list of event ids that are associated to an event.

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