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

Posted by admin on September 14, 2018 0 Comments

Earthquake location 58.6216S, -150.6955WA light earthquake magnitude 4.3 (ml/mb) has occurred on Friday, 123 km SSE of Homer, Alaska (76 miles). Exact location of earthquake, longitude -150.6955 West, latitude 58.6216 North, depth = 11.9 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake occurred at a depth of 11.9 km (7 miles) below the earth’s surface. The temblor was reported at 07:29:28 / 7:29 am (local time epicenter). Unique identifier: ak20254307. Ids that are associated to the event: ak20254307. Global date and time of event UTC/GMT: 14/09/18 / 2018-09-14 17:29:28 / September 14, 2018 @ 5:29 pm.

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 one, in the last 10 days two, in the past 30 days three and in the last 365 days nineteen earthquakes of magnitude 3.0 or greater that was reported nearby.

Did you feel the quake?

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: 123 km SSE of Homer, Alaska. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude -150.6955° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 58.6216° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 11.9 km Depth of the event in kilometers.
Place 123km SSE of Homer, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-09-14 17:29:28 Time when the event occurred. UTC/GMT
Updated 2018-09-14 17:44:25 Time when the event was most recently updated. UTC/GMT
Timezone offset -600 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 2.07 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 0.63 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 ak20254307 Id of event.
Event Code 20254307 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak20254307, A comma-separated list of event ids that are associated to an event.

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