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Moderate earthquake, 5.4 mag was detected near Atka in Alaska

Posted by admin on August 15, 2015 0 Comments

Earthquake location 51.7632S, -175.2591WA moderate earthquake magnitude 5.4 (ml/mb) has occurred on Saturday, 87 km WSW of Atka, Alaska (54 miles). Exact location of earthquake, longitude -175.2591 West, latitude 51.7632 North, depth = 44.8 km. A tsunami warning has been issued near Atka in Alaska (Does not indicate if a tsunami actually did or will exist). Event id: us100032m5. Ids that are associated to the earthquake: at00nt54bb, us100032m5. The earthquake occurred at a depth of 44.8 km (28 miles). The temblor was reported at 08:16:23 / 8:16 am (local time epicenter). Date and time of earthquake in UTC/GMT: 15/08/15 / 2015-08-15 20:16:23 / August 15, 2015 @ 8:16 pm.

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

Did you feel anything?

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: 87 km WSW of Atka, Alaska.

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More information

Parameter Value Description
Magnitude 5.4 mb The magnitude for the event.
Longitude -175.2591° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.7632° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 44.8 km Depth of the event in kilometers.
Place 87km WSW of Atka, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-08-15 20:16:23 Time when the event occurred. UTC/GMT
Updated 2015-08-15 20:34:18 Time when the event was most recently updated. UTC/GMT
Timezone offset -720 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 1 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 us The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,at,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 0.596 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.05 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 53 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mwb The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us100032m5 Id of event.
Event Code 100032m5 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,at00nt54bb,us100032m5, A comma-separated list of event ids that are associated to an event.

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