Light earthquake, 4 mag strikes near Attu Station in Alaska

A light earthquake magnitude 4 (ml/mb) has struck on Friday, 146 km W of Attu Station, Alaska (91 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The epicenter was at a depth of 23.34 km (15 miles). Exact location of event, depth 23.34 km, 171.035° East, 53.0708° North. Exact time and date of event in UTC/GMT: 07/09/18 / 2018-09-07 10:50:35 / September 7, 2018 @ 10:50 am. The 4-magnitude earthquake has occurred at 21:50:35 / 9:50 pm (local time epicenter). Id of earthquake: us2000hgmt. Event ids that are associated: us2000hgmt.

Every 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 thirteen earthquakes of magnitude 3.0 or greater that has occurred nearby.

Did you feel anything?

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. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 146 km W of Attu Station, Alaska.

Alaska Attu Station

More information

Parameter	Value	Description
Magnitude	4 mb	The magnitude for the event.
Longitude	171.035° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	53.0708° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	23.34 km	Depth of the event in kilometers.
Place	146km W 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	2018-09-07 10:50:35	Time when the event occurred. UTC/GMT
Updated	2018-10-06 03:23:15	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	246	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	7.321	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.52 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	181	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	us2000hgmt	Id of event.
Event Code	2000hgmt	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us2000hgmt,	A comma-separated list of event ids that are associated to an event.

Earthquakes today

Current and latest world earthquakes breaking news, activity and articles today

Light earthquake, 4 mag strikes near Attu Station in Alaska

Did you feel anything?

More information

Leave a ReplyCancel reply

Follow us!

Tsunami videos

Categories

Information