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Moderate earthquake, 5 mag has occurred near Attu Station in Alaska


Earthquake location 52.9644S, 172.3332WA moderate earthquake magnitude 5 (ml/mb) strikes 58 km WNW of Attu Station, Alaska (36 miles) on Saturday. The earthquake occurred at a depth of 17.59 km (11 miles) below the earth’s surface. Exact location of earthquake, longitude 172.3332 East, latitude 52.9644 North, depth = 17.59 km. Date and time of earthquake in UTC/GMT: 04/07/15 / 2015-07-04 09:56:39 / July 4, 2015 @ 9:56 am. The temblor was reported at 00:56:39 / 12:56 am (local time epicenter). A tsunami warning has been issued near Attu Station in Alaska (Does not indicate if a tsunami actually did or will exist). Event ids that are associated to the earthquake: at00nqyjmg, us10002ndv. Id of event: us10002ndv.

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 four, in the past 30 days four and in the last 365 days eight earthquakes of magnitude 3.0 or greater that has struck near. Each year there are an estimated 1320 moderate earthquakes in the world.

Did you feel the quake?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity 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: 58 km WNW of Attu Station, Alaska.

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More information

Parameter Value Description
Magnitude 5 mb The magnitude for the event.
Longitude 172.3332° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 52.9644° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 17.59 km Depth of the event in kilometers.
Place 58km WNW of Attu Station, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-07-04 09:56:39 Time when the event occurred. UTC/GMT
Updated 2015-07-04 10:13:34 Time when the event was most recently updated. UTC/GMT
Timezone offset -540 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 385 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 1.098 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.89 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 107 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 us10002ndv Id of event.
Event Code 10002ndv An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,at00nqyjmg,us10002ndv, A comma-separated list of event ids that are associated to an event.

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