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Minor earthquake: M2.8 quake has struck near Chernabura Island in Alaska


Earthquake location 54.7483S, -160.0137WA minor earthquake magnitude 2.8 (ml/mb) has occurred on Sunday, 29 km W of Chernabura Island, Alaska (18 miles). Exact location of earthquake, longitude -160.0137 West, latitude 54.7483 North, depth = 30.58 km. Date and time of earthquake in UTC/GMT: 23/09/18 / 2018-09-23 16:26:53 / September 23, 2018 @ 4:26 pm. Event ids that are associated to the earthquake: ak20261293, us1000h3dk. Id of event: us1000h3dk. The earthquake was roughly at a depth of 30.58 km (19 miles). The temblor was detected at 07:26:53 / 7:26 am (local time epicenter).

In the past 24 hours, there have been 0, in the last 10 days 0, in the past 30 days 0 and in the last 365 days ninety-six earthquakes of magnitude 3.0 or greater that have been detected nearby. There are an estimated 1,300,000 minor quakes in the world each year. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage.

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: 29 km W of Chernabura Island, Alaska. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -160.0137° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 54.7483° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 30.58 km Depth of the event in kilometers.
Place 29km W 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 2018-09-23 16:26:53 Time when the event occurred. UTC/GMT
Updated 2018-09-30 19:24:25 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 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 121 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 0.259 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.42 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 200 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 us1000h3dk Id of event.
Event Code 1000h3dk An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak20261293,us1000h3dk, A comma-separated list of event ids that are associated to an event.

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