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Minor earthquake, 3.1 mag was detected near Redoubt Volcano in Alaska


Earthquake location 60.5805S, -152.6458WA minor earthquake with magnitude 3.1 (ml/mb) was detected on Thursday, 11 kilometers (7 miles) from Redoubt Volcano in Alaska. The temblor was detected at 07:57:51 / 7:57 am (local time epicenter). Exact time and date of event in UTC/GMT: 22/10/15 / 2015-10-22 15:57:51 / October 22, 2015 @ 3:57 pm. The earthquake was roughly at a depth of 50 km (31 miles). Exact location of event, depth 50 km, -152.6458° West, 60.5805° North. Event id: ak11745867. Ids that are associated to the earthquake: ak11745867.

Epicenter of the earthquake was 76 km (47 miles) from Kalifornsky (c. 7 900 pop), 76 km (47 miles) from Kenai (c. 7 100 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Kalifornsky, Kenai. Close country/countries that might be effected, United States (c. 310 233 000 pop).

Each year there are an estimated 130,000 minor earthquakes in the world. In the past 24 hours, there have been one, in the last 10 days four, in the past 30 days twelve and in the last 365 days one hundred and fifteen earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 2.5 to 3.5 are often felt, but only causes minor damage.

Did you feel it?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home and country. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 11 km NNE of Redoubt Volcano, Alaska. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.1 mb The magnitude for the event.
Longitude -152.6458° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 60.5805° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 50 km Depth of the event in kilometers.
Place 11km NNE 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 2015-10-22 15:57:51 Time when the event occurred. UTC/GMT
Updated 2015-10-22 16:43:40 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 148 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 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 ak11745867 Id of event.
Event Code 11745867 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak11745867, A comma-separated list of event ids that are associated to an event.

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