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Light earthquake 4 mag, 21 km WSW of Y, Alaska



Earthquake location 62.1041S, -150.241WA light earthquake with magnitude 4 (ml/mb) was reported 21 kilometers (13 miles) from Y in Alaska on Sunday. The temblor was reported at 19:07:55 / 7:07 pm (local time epicenter). Exact location of earthquake, longitude -150.241 West, latitude 62.1041 North, depth = 19.59 km. A tsunami warning has been issued near Y in Alaska (Does not indicate if a tsunami actually did or will exist). The epicenter of the earthquake was roughly 19.59 km (12 miles) below the earth’s surface. All ids that are associated to the event: at00otku57, us2000a0by, ak16371194. Unique identifier: us2000a0by. Exact time and date of earthquake 24/07/17 / 2017-07-24 04:07:55 / July 24, 2017 @ 4:07 am UTC/GMT.

Earthquake epicenter was 74 km (46 miles) from Knik-Fairview (c. 14 900 pop), 74 km (46 miles) from Lakes (c. 8 400 pop), 68 km (42 miles) from Tanaina (c. 8 200 pop), 72 km (45 miles) from Wasilla (c. 7 800 pop), 63 km (39 miles) from Meadow Lakes (c. 7 600 pop), 82 km (51 miles) from Palmer (c. 5 900 pop). Nearest cities/city/towns to hypocenter/epicentrum was Palmer, Gateway, Lakes (min 5000 pop). Country/countries that might be effected, United States (c. 310 233 000 pop).

There are an estimated 13,000 light earthquakes in the world each year. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days six and in the last 365 days seventy-seven 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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 21 km WSW of Y, Alaska. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -150.241° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 62.1041° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 19.59 km Depth of the event in kilometers.
Place 21km WSW of Y, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-07-24 04:07:55 Time when the event occurred. UTC/GMT
Updated 2017-07-24 04:30:27 Time when the event was most recently updated. UTC/GMT
Timezone offset -540 Timezone offset from UTC in minutes at the event epicenter.
Felt 6 The total number of felt reports
CDI 3.4 The maximum reported intensity for the event.
MMI 4.84 The maximum estimated instrumental intensity for the event.
Alert Level green The alert level from the PAGER earthquake impact scale. Green, Yellow, Orange or Red.
Review Status reviewed Indicates whether the event has been reviewed by a human.
Tsunami 1 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 248 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network us The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,at,us,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 0.303 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.86 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 33 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 us2000a0by Id of event.
Event Code 2000a0by An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,at00otku57,us2000a0by,ak16371194, A comma-separated list of event ids that are associated to an event.

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