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Light earthquake 4.4 mag, 244 km SE of Kodiak, Alaska

Posted by admin on July 21, 2018 0 Comments

Earthquake location 56.4128S, -149.2609WA light earthquake magnitude 4.4 (ml/mb) strikes 244 km SE of Kodiak, Alaska (152 miles) on Saturday. Event id: us2000gawc. Ids that are associated to the earthquake: ak19935033, us2000gawc. The earthquake was roughly at a depth of 22.63 km (14 miles). Exact location of earthquake, -149.2609° West, 56.4128° North, depth 22.63 km. The temblor was picked up at 09:48:31 / 9:48 am (local time epicenter). Global time and date of event 21/07/18 / 2018-07-21 19:48:31 / July 21, 2018 @ 7:48 pm UTC/GMT. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

In the past 24 hours, there have been four, in the last 10 days nineteen, in the past 30 days one hundred and five and in the last 365 days three thousand, seven hundred and eighty earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. Each year there are an estimated 13,000 light earthquakes in the world.

Did you feel the quake?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. 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: 244 km SE of Kodiak, Alaska.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude -149.2609° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 56.4128° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 22.63 km Depth of the event in kilometers.
Place 244km SE of Kodiak, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-07-21 19:48:31 Time when the event occurred. UTC/GMT
Updated 2018-07-21 21:57:59 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 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 298 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,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 2.274 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.72 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 145 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 us2000gawc Id of event.
Event Code 2000gawc An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak19935033,us2000gawc, A comma-separated list of event ids that are associated to an event.

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