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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.4 mag was detected near Attu Station in Alaska

Posted by admin on July 30, 2017 0 Comments

Earthquake location 53.37S, 169.7993WA light earthquake magnitude 4.4 (ml/mb) has occurred on Tuesday, 234 km WNW of Attu Station, Alaska (145 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, 169.7993° East, 53.37° North, depth 10 km. The epicenter of the earthquake was roughly 10 km (6 miles) below the earth’s surface. Exact time and date of event in UTC/GMT: 18/07/17 / 2017-07-18 00:08:48 / July 18, 2017 @ 12:08 am. The temblor was picked up at 11:08:48 / 11:08 am (local time epicenter). Id of earthquake: us20009z3a. Event ids that are associated: us20009z3a.

Each year there are an estimated 13,000 light quakes in the world. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been thirty, in the last 10 days thirty, in the past 30 days thirty-two and in the last 365 days fourty-six earthquakes of magnitude 3.0 or greater that have been detected in the same area.

Did you feel it?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. 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: 234 km WNW of Attu Station, Alaska.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude 169.7993° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 53.37° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 234km 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 2017-07-18 00:08:48 Time when the event occurred. UTC/GMT
Updated 2017-07-30 05:43:03 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 298 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 2.673 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.7 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 251 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 us20009z3a Id of event.
Event Code 20009z3a An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20009z3a, A comma-separated list of event ids that are associated to an event.

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