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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake 4 mag, 7 km S of Big Lake, Alaska


Earthquake location 61.4573S, -149.9622WA light earthquake with magnitude 4 (ml/mb) was reported 7 kilometers (4 miles) from Big Lake in Alaska on Friday. The temblor was picked up at 09:35:59 / 9:35 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The epicenter was at a depth of 36.48 km (23 miles). Event id: us1000hyhw. Ids that are associated to the earthquake: us1000hyhw. Exact location of event, depth 36.48 km, -149.9622° West, 61.4573° North. Global time and date of event 30/11/18 / 2018-11-30 18:35:59 / November 30, 2018 @ 6:35 pm UTC/GMT.

Close country/countries that might be effected, United States (c. 310 233 000 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Palmer, Gateway, Lakes. Epicenter of the earthquake was 27 km (17 miles) from Anchorage (c. 291 800 pop), 26 km (16 miles) from Eagle River (c. 24 800 pop), 20 km (13 miles) from Knik-Fairview (c. 14 900 pop), 38 km (24 miles) from Lakes (c. 8 400 pop), 34 km (21 miles) from Tanaina (c. 8 200 pop), 31 km (19 miles) from Wasilla (c. 7 800 pop).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. There are an estimated 13,000 light earthquakes in the world each year. In the past 24 hours, there have been fifty-four, in the last 10 days fifty-five, in the past 30 days fifty-six and in the last 365 days one hundred and sixteen earthquakes of magnitude 3.0 or greater that have been detected nearby.

Did you feel anything?

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. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 7 km S of Big Lake, Alaska.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -149.9622° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 61.4573° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 36.48 km Depth of the event in kilometers.
Place 7km 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 18:35:59 Time when the event occurred. UTC/GMT
Updated 2018-11-30 22:27:32 Time when the event was most recently updated. UTC/GMT
Timezone offset -540 Timezone offset from UTC in minutes at the event epicenter.
Felt 9 The total number of felt reports
CDI 4.3 The maximum reported intensity for the event.
MMI 2.92 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 reviewed 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 250 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 ,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 0.376 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.06 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 37 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 us1000hyhw Id of event.
Event Code 1000hyhw An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000hyhw, A comma-separated list of event ids that are associated to an event.

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