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Light earthquake: M4.3 quake has struck near Y in Alaska


Earthquake location 62.1906S, -149.393WA light earthquake with magnitude 4.3 (ml/mb) was detected on Tuesday, 24 kilometers (15 miles) from Y in Alaska. A tsunami warning has been issued near Y in Alaska (Does not indicate if a tsunami actually did or will exist). The temblor was detected at 18:29:09 / 6:29 pm (local time epicenter). Exact time and date of event in UTC/GMT: 26/04/17 / 2017-04-26 03:29:09 / April 26, 2017 @ 3:29 am. All ids that are associated to the event: at00oozz0l, ak15819827. Unique identifier: ak15819827. Exact location of event, longitude -149.393 West, latitude 62.1906 North, depth = 34.9 km. The earthquake occurred at a depth of 34.9 km (22 miles).

Epicenter of the event was 76 km (47 miles) from Knik-Fairview (c. 14 900 pop), 65 km (40 miles) from Lakes (c. 8 400 pop), 63 km (39 miles) from Tanaina (c. 8 200 pop), 68 km (42 miles) from Wasilla (c. 7 800 pop), 64 km (40 miles) from Meadow Lakes (c. 7 600 pop), 67 km (42 miles) from Palmer (c. 5 900 pop). Nearest cities/city/villages to epicentrum/hypocenter was Knik-Fairview, Gateway, Wasilla (min 5000 pop). Close country/countries that might be effected, United States (c. 310 233 000 pop).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. Each year there are an estimated 13,000 light earthquakes in the world. In the past 24 hours, there have been one, in the last 10 days three, in the past 30 days six and in the last 365 days sixty-nine earthquakes of magnitude 3.0 or greater that have been detected in the same area.

How would you describe the shaking?

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: 24 km E of Y, Alaska.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude -149.393° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 62.1906° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 34.9 km Depth of the event in kilometers.
Place 24km E 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 2017-04-26 03:29:09 Time when the event occurred. UTC/GMT
Updated 2017-04-26 03:40:03 Time when the event was most recently updated. UTC/GMT
Timezone offset -540 Timezone offset from UTC in minutes at the event epicenter.
Felt 57 The total number of felt reports
CDI 4.1 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 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 308 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 ,at,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 0.59 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 ak15819827 Id of event.
Event Code 15819827 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,at00oozz0l,ak15819827, A comma-separated list of event ids that are associated to an event.

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