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Light earthquake: M4 quake has struck near Kodiak in Alaska

Posted by admin on October 12, 2019 0 Comments

Earthquake location 56.2306S, -148.6024WA light earthquake with magnitude 4 (ml/mb) was detected on Saturday, 289 km SE of Kodiak, Alaska (180 miles). The 4-magnitude earthquake was detected at 01:54:28 / 1:54 am (local time epicenter). Exact time and date of earthquake 12/10/19 / 2019-10-12 11:54:28 / October 12, 2019 @ 11:54 am UTC/GMT. 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 10 km (6 miles). Exact location of earthquake, longitude -148.6024 West, latitude 56.2306 North, depth = 10 km. All ids that are associated to the event: us70005tnr. Unique identifier: us70005tnr.

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

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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 289 km SE of Kodiak, Alaska. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -148.6024° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 56.2306° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 289km 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 2019-10-12 11:54:28 Time when the event occurred. UTC/GMT
Updated 2019-10-12 12:34:12 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 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 ,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 2.676 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.32 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 235 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 us70005tnr Id of event.
Event Code 70005tnr An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us70005tnr, A comma-separated list of event ids that are associated to an event.

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