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Minor earthquake: M2.8 quake has struck near Redoubt Volcano in Alaska

Posted by admin on October 15, 2018 0 Comments

Earthquake location 60.0941S, -152.5617WA minor earthquake with magnitude 2.8 (ml/mb) was detected on Monday, 44 kilometers (27 miles) from Redoubt Volcano in Alaska. Exact time and date of event in UTC/GMT: 15/10/18 / 2018-10-15 18:30:00 / October 15, 2018 @ 6:30 pm. Id of earthquake: ak20283953. Event ids that are associated: ak20283953. Exact location, longitude -152.5617° West, latitude 60.0941° North, depth = 93.5 km. The earthquake occurred at a depth of 93.5 km (58 miles). The 2.8-magnitude earthquake has occurred at 09:30:00 / 9:30 am (local time epicenter).

Epicenter of the event was 76 km (47 miles) from Homer (c. 5 000 pop). Nearest cities/city/towns to hypocenter/epicentrum was Homer (min 5000 pop). Close country/countries that might be effected, United States (c. 310 233 000 pop).

Every year there are an estimated 1,300,000 minor earthquakes in the world. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. In the past 24 hours, there have been 0, in the last 10 days one, in the past 30 days three and in the last 365 days seventy-three earthquakes of magnitude 3.0 or greater that has struck near.

Questions or comments?

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. 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: 44 km SSE of Redoubt Volcano, Alaska.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -152.5617° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 60.0941° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 93.5 km Depth of the event in kilometers.
Place 44km SSE 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 2018-10-15 18:30:00 Time when the event occurred. UTC/GMT
Updated 2018-10-15 18:42:14 Time when the event was most recently updated. UTC/GMT
Timezone offset -540 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 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 0.49 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 ak20283953 Id of event.
Event Code 20283953 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak20283953, A comma-separated list of event ids that are associated to an event.

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