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Moderate earthquake, 5 mag has occurred near Chignik Lake in Alaska

Posted by admin on October 10, 2018 0 Comments

Earthquake location 55.6252S, -158.886WA moderate earthquake magnitude 5 (ml/mb) strikes 61 km SSW of Chignik Lake, Alaska (38 miles) on Tuesday. Unique identifier: ak20275238. Ids that are associated to the event: at00pgddyl, ak20275238, us1000h9ts. Exact location, longitude -158.886° West, latitude 55.6252° North, depth = 41.7 km. The temblor was reported at 21:27:58 / 9:27 pm (local time epicenter). The earthquake was roughly at a depth of 41.7 km (26 miles). Exact time and date of earthquake 10/10/18 / 2018-10-10 06:27:58 / October 10, 2018 @ 6:27 am UTC/GMT. A tsunami warning has been issued near Chignik Lake in Alaska (Does not indicate if a tsunami actually did or will exist).

In the past 24 hours, there have been three, in the last 10 days five, in the past 30 days five and in the last 365 days fifty-seven earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 5.0 to 6.0 may cause light damage to buildings and other structures. There are an estimated 1320 moderate quakes in the world each year.

How would you describe the shaking?

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: 61 km SSW of Chignik Lake, Alaska.

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More information

Parameter Value Description
Magnitude 5 mb The magnitude for the event.
Longitude -158.886° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 55.6252° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 41.7 km Depth of the event in kilometers.
Place 61km SSW of Chignik 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 2018-10-10 06:27:58 Time when the event occurred. UTC/GMT
Updated 2018-10-10 07:16:33 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 3.72 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 385 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,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 0.52 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 ak20275238 Id of event.
Event Code 20275238 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,at00pgddyl,ak20275238,us1000h9ts, A comma-separated list of event ids that are associated to an event.

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