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Light earthquake 4.3 mag, 38 km ENE of Chernabura Island, Alaska

Posted by admin on July 28, 2017 0 Comments

Earthquake location 54.9229S, -159.0168WA light earthquake magnitude 4.3 (ml/mb) has struck on Thursday, 38 km ENE of Chernabura Island, Alaska (24 miles). The epicenter of the earthquake was roughly 19.13 km (12 miles) below the earth’s surface. The temblor was reported at 19:19:30 / 7:19 pm (local time epicenter). Exact location of event, longitude -159.0168 West, latitude 54.9229 North, depth = 19.13 km. All ids that are associated to the event: us2000a22k. Unique identifier: us2000a22k. Exact time and date of earthquake 28/07/17 / 2017-07-28 06:19:30 / July 28, 2017 @ 6:19 am UTC/GMT. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

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

Questions or comments?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city 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: 38 km ENE of Chernabura Island, Alaska.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude -159.0168° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 54.9229° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 19.13 km Depth of the event in kilometers.
Place 38km ENE of Chernabura Island, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-07-28 06:19:30 Time when the event occurred. UTC/GMT
Updated 2017-07-28 06:40:33 Time when the event was most recently updated. UTC/GMT
Timezone offset -660 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 284 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 0.94 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.71 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 165 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 us2000a22k Id of event.
Event Code 2000a22k An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000a22k, A comma-separated list of event ids that are associated to an event.

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