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Light earthquake: M4.4 quake has struck near Attu Station in Alaska

Posted by admin on July 22, 2019 0 Comments

Earthquake location 52.623S, 172.5717WA light earthquake magnitude 4.4 (ml/mb) has occurred on Monday, 48 km WSW of Attu Station, Alaska (30 miles). The earthquake occurred at a depth of 29.02 km (18 miles) below the earth’s surface. Exact time and date of earthquake 22/07/19 / 2019-07-22 13:53:06 / July 22, 2019 @ 1:53 pm UTC/GMT. The temblor was reported at 03:53:06 / 3:53 am (local time epicenter). Exact location, longitude 172.5717° East, latitude 52.623° North, depth = 29.02 km. Id of earthquake: us70004qgg. Event ids that are associated: us70004qgg. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Each year there are an estimated 13,000 light earthquakes 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 one, in the last 10 days one, in the past 30 days one and in the last 365 days seven earthquakes of magnitude 3.0 or greater that has occurred nearby.

Did you feel anything?

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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 48 km WSW of Attu Station, Alaska. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude 172.5717° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 52.623° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 29.02 km Depth of the event in kilometers.
Place 48km WSW 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 2019-07-22 13:53:06 Time when the event occurred. UTC/GMT
Updated 2019-07-22 14:18:10 Time when the event was most recently updated. UTC/GMT
Timezone offset -600 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 0.938 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.91 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 112 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 us70004qgg Id of event.
Event Code 70004qgg An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us70004qgg, A comma-separated list of event ids that are associated to an event.

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