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Minor earthquake, 2.8 mag strikes near Whittier in Alaska


Earthquake location 60.7861S, -148.7956WA minor earthquake with magnitude 2.8 (ml/mb) was reported 6 kilometers (4 miles) from Whittier in Alaska on Tuesday. Exact location of earthquake, -148.7956° West, 60.7861° North, depth 52.7 km. The epicenter was at a depth of 52.7 km (33 miles). The 2.8-magnitude earthquake was detected at 13:24:47 / 1:24 pm (local time epicenter). Exact time and date of earthquake 28/07/15 / 2015-07-28 21:24:47 / July 28, 2015 @ 9:24 pm UTC/GMT. Event ids that are associated to the earthquake: ak11661248. Id of event: ak11661248.

Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Anchorage, Eagle River, Elmendorf Air Force Base. Nearby country/countries that might be effected, United States (c. 310 233 000 pop). Epicenter of the earthquake was 76 km (48 miles) from Anchorage (c. 291 800 pop), 73 km (45 miles) from Eagle River (c. 24 800 pop), 69 km (43 miles) from Elmendorf Air Force Base (c. 6 600 pop).

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

Questions or comments?

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. 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: 6 km WNW of Whittier, Alaska.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -148.7956° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 60.7861° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 52.7 km Depth of the event in kilometers.
Place 6km WNW of Whittier, 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 21:24:47 Time when the event occurred. UTC/GMT
Updated 2015-07-28 22:08:15 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 0.68 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 ak11661248 Id of event.
Event Code 11661248 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak11661248, A comma-separated list of event ids that are associated to an event.

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