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Minor earthquake, 3.4 mag strikes near Nikiski in Alaska

Posted by admin on April 23, 2018 0 Comments

Earthquake location 61.0138S, -150.8045WA minor earthquake magnitude 3.4 (ml/mb) has occurred on Monday, 44 kilometers (27 miles) from Nikiski in Alaska. Exact location of event, longitude -150.8045 West, latitude 61.0138 North, depth = 9.5 km. Event ids that are associated to the earthquake: ak19257978. Id of event: ak19257978. Exact time and date of earthquake 23/04/18 / 2018-04-23 19:12:30 / April 23, 2018 @ 7:12 pm UTC/GMT. The temblor was detected at 10:12:30 / 10:12 am (local time epicenter). The earthquake occurred at a depth of 9.5 km (6 miles) below the earth’s surface.

Nearest cities/city/towns to hypocenter/epicentrum was Eagle River, Kalifornsky, Elmendorf Air Force Base (min 5000 pop). Epicenter of the earthquake was 54 km (33 miles) from Anchorage (c. 291 800 pop), 75 km (46 miles) from Eagle River (c. 24 800 pop), 71 km (44 miles) from Kalifornsky (c. 7 900 pop), 57 km (35 miles) from Kenai (c. 7 100 pop), 69 km (43 miles) from Elmendorf Air Force Base (c. 6 600 pop). Close country/countries, United States (c. 310 233 000 pop) (That might be effected).

In the past 24 hours, there have been one, in the last 10 days two, in the past 30 days five and in the last 365 days sixty-one earthquakes of magnitude 3.0 or greater that has struck near. Earthquakes 2.5 to 3.5 are often felt, but only causes minor damage. Each year there are an estimated 130,000 minor quakes in the world.

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: 44 km NE of Nikiski, Alaska. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.4 mb The magnitude for the event.
Longitude -150.8045° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 61.0138° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 9.5 km Depth of the event in kilometers.
Place 44km 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 2018-04-23 19:12:30 Time when the event occurred. UTC/GMT
Updated 2018-04-23 19:26:06 Time when the event was most recently updated. UTC/GMT
Timezone offset -540 Timezone offset from UTC in minutes at the event epicenter.
Felt 1 The total number of felt reports
CDI 2 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 178 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 0.71 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 ak19257978 Id of event.
Event Code 19257978 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak19257978, A comma-separated list of event ids that are associated to an event.

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