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Minor earthquake, 2.8 mag was detected near Nikiski in Alaska


Earthquake location 60.9672S, -150.8814WA minor earthquake magnitude 2.8 (ml/mb) has struck on Monday, 37 kilometers (23 miles) from Nikiski in Alaska. Exact location, longitude -150.8814° West, latitude 60.9672° North, depth = 41.2 km. Date and time of earthquake in UTC/GMT: 19/08/19 / 2019-08-19 15:23:40 / August 19, 2019 @ 3:23 pm. Event id: ak019ama7op3. Ids that are associated to the earthquake: ak019ama7op3. The earthquake occurred at a depth of 41.2 km (26 miles) below the earth’s surface. The 2.8-magnitude earthquake was detected at 06:23:40 / 6:23 am (local time epicenter).

Earthquake epicenter was 60 km (37 miles) from Anchorage (c. 291 800 pop), 65 km (40 miles) from Kalifornsky (c. 7 900 pop), 50 km (31 miles) from Kenai (c. 7 100 pop), 74 km (46 miles) from Elmendorf Air Force Base (c. 6 600 pop), 48 km (30 miles) from Sterling (c. 5 600 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Elmendorf Air Force Base, Kalifornsky, Anchorage. Country/countries that might be effected, United States (c. 310 233 000 pop).

In the past 24 hours, there have been 0, in the last 10 days one, in the past 30 days six and in the last 365 days five hundred and fourty-four earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. Each year there are an estimated 1,300,000 minor earthquakes in the world.

Did you feel the quake?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 37 km NE of Nikiski, Alaska.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -150.8814° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 60.9672° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 41.2 km Depth of the event in kilometers.
Place 37km NE of Nikiski, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2019-08-19 15:23:40 Time when the event occurred. UTC/GMT
Updated 2019-08-19 15:27:45 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 0.76 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 ak019ama7op3 Id of event.
Event Code 019ama7op3 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak019ama7op3, A comma-separated list of event ids that are associated to an event.

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