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Light earthquake 4.7 mag, 13 km NW of Anchorage, Alaska

Earthquake location 61.3185S, -150.0522WA light earthquake magnitude 4.7 (ml/mb) has struck on Wednesday, 13 kilometers (8 miles) from Anchorage in Alaska. The temblor was picked up at 03:48:43 / 3:48 am (local time epicenter). Id of earthquake: us1000i2r9. Event ids that are associated: ak20444588, at00pj9kx7, us1000i2r9. A tsunami warning has been issued near Anchorage in Alaska (Does not indicate if a tsunami actually did or will exist). The epicenter was at a depth of 30.6 km (19 miles). Exact location of event, depth 30.6 km, -150.0522° West, 61.3185° North. Exact time and date of earthquake 05/12/18 / 2018-12-05 12:48:43 / December 5, 2018 @ 12:48 pm UTC/GMT.

Nearest cities/city/towns to hypocenter/epicentrum was Sterling, Palmer, Gateway (min 5000 pop). Event epicenter was 14 km (9 miles) from Anchorage (c. 291 800 pop), 26 km (16 miles) from Eagle River (c. 24 800 pop), 32 km (20 miles) from Knik-Fairview (c. 14 900 pop), 51 km (32 miles) from Lakes (c. 8 400 pop), 48 km (30 miles) from Tanaina (c. 8 200 pop), 44 km (27 miles) from Wasilla (c. 7 800 pop), 42 km (26 miles) from Meadow Lakes (c. 7 600 pop). Close country/countries that might be effected, United States (c. 310 233 000 pop).

In the past 24 hours, there have been twenty, in the last 10 days two hundred and twenty-six, in the past 30 days two hundred and twenty-eight and in the last 365 days two hundred and eighty-two earthquakes of magnitude 3.0 or greater that has occurred nearby. Every 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 data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 13 km NW of Anchorage, Alaska.

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More information

Parameter Value Description
Magnitude 4.7 mb The magnitude for the event.
Longitude -150.0522° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 61.3185° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 30.6 km Depth of the event in kilometers.
Place 13km NW of Anchorage, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-12-05 12:48:43 Time when the event occurred. UTC/GMT
Updated 2018-12-05 13:09:58 Time when the event was most recently updated. UTC/GMT
Timezone offset -540 Timezone offset from UTC in minutes at the event epicenter.
Felt 178 The total number of felt reports
CDI 4.8 The maximum reported intensity for the event.
MMI 3.98 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 425 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 ,ak,at,us, 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 0.73 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 mb The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us1000i2r9 Id of event.
Event Code 1000i2r9 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak20444588,at00pj9kx7,us1000i2r9, A comma-separated list of event ids that are associated to an event.

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