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Moderate earthquake, 5.4 mag strikes near Chernabura Island in Alaska


Earthquake location 55.369S, -158.354WA moderate earthquake magnitude 5.4 (ml/mb) has struck on Tuesday, 100 km NE of Chernabura Island, Alaska (62 miles). Date and time of earthquake in UTC/GMT: 31/05/16 / 2016-05-31 20:51:23 / May 31, 2016 @ 8:51 pm. The temblor was picked up at 09:51:23 / 9:51 am (local time epicenter). The epicenter of the earthquake was roughly 53 km (33 miles) below the earth’s surface. A tsunami warning has been issued near Chernabura Island in Alaska (Does not indicate if a tsunami actually did or will exist). Unique identifier: at00o8279n. Ids that are associated to the event: at00o8279n. Exact location of event, depth 53 km, -158.354° West, 55.369° North.

In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days three and in the last 365 days thirty-one earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 5.0 to 6.0 may cause light damage to buildings and other structures. Each year there are an estimated 1320 moderate quakes in the world.

Questions or comments?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city and country. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 100 km NE of Chernabura Island, Alaska. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 5.4 mb The magnitude for the event.
Longitude -158.354° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 55.369° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 53 km Depth of the event in kilometers.
Place 100km NE 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 2016-05-31 20:51:23 Time when the event occurred. UTC/GMT
Updated 2016-05-31 20:55:37 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 1 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 449 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network at The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,at, A comma-separated list of network contributors.
Number of Stations Used 49 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 1.13816546 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.77 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 190.8 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type Mi The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID at00o8279n Id of event.
Event Code 00o8279n An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,at00o8279n, A comma-separated list of event ids that are associated to an event.

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