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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.3 mag was detected near Big Lake in Alaska


Earthquake location 61.3954S, -149.9069WA light earthquake magnitude 4.3 (ml/mb) has struck on Friday, 14 kilometers (9 miles) from Big Lake in Alaska. Exact time and date of event in UTC/GMT: 30/11/18 / 2018-11-30 17:42:21 / November 30, 2018 @ 5:42 pm. The epicenter of the earthquake was roughly 32.2 km (20 miles) below the earth’s surface. All ids that are associated to the event: ak20419081. Unique identifier: ak20419081. Exact location of earthquake, -149.9069° West, 61.3954° North, depth 32.2 km. The 4.3-magnitude earthquake has occurred at 08:42:21 / 8:42 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Nearby country/countries, United States (c. 310 233 000 pop) (That might be effected). Earthquake epicenter was 20 km (12 miles) from Anchorage (c. 291 800 pop), 20 km (12 miles) from Eagle River (c. 24 800 pop), 21 km (13 miles) from Knik-Fairview (c. 14 900 pop), 40 km (25 miles) from Lakes (c. 8 400 pop), 36 km (22 miles) from Tanaina (c. 8 200 pop), 32 km (20 miles) from Wasilla (c. 7 800 pop). Nearest cities/city/villages to epicentrum/hypocenter was Palmer, Gateway, Lakes (min 5000 pop).

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

Questions or comments?

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. 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: 14 km S of Big Lake, Alaska.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude -149.9069° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 61.3954° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 32.2 km Depth of the event in kilometers.
Place 14km S of Big Lake, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-11-30 17:42:21 Time when the event occurred. UTC/GMT
Updated 2018-11-30 18:02:57 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 284 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 0.65 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 ak20419081 Id of event.
Event Code 20419081 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak20419081, A comma-separated list of event ids that are associated to an event.

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