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Light earthquake, 4 mag has occurred near Tanaga Volcano in Alaska

Posted by admin on April 26, 2019 0 Comments

Earthquake location 51.2333S, -177.9613WA light earthquake magnitude 4 (ml/mb) strikes 73 km S of Tanaga Volcano, Alaska (45 miles) on Thursday. The earthquake was roughly at a depth of 35 km (22 miles). Global time and date of event 26/04/19 / 2019-04-26 00:37:02 / April 26, 2019 @ 12:37 am UTC/GMT. Exact location of earthquake, -177.9613° West, 51.2333° North, depth 35 km. The temblor was reported at 12:37:02 / 12:37 pm (local time epicenter). Id of earthquake: us70003c9l. Event ids that are associated: ak0195buk6x9, us70003c9l. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

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

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 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: 73 km S of Tanaga Volcano, Alaska.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -177.9613° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.2333° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 35 km Depth of the event in kilometers.
Place 73km S of Tanaga Volcano, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2019-04-26 00:37:02 Time when the event occurred. UTC/GMT
Updated 2019-04-26 00:55:27 Time when the event was most recently updated. UTC/GMT
Timezone offset -720 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 246 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 0.589 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.18 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 224 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 us70003c9l Id of event.
Event Code 70003c9l An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak0195buk6x9,us70003c9l, A comma-separated list of event ids that are associated to an event.

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