Light earthquake, 4.2 mag strikes near Adak in Alaska

A light earthquake magnitude 4.2 (ml/mb) strikes 57 km SSE of Adak, Alaska (35 miles) on Saturday. The temblor was detected at 18:04:18 / 6:04 pm (local time epicenter). The earthquake occurred at a depth of 39.8 km (25 miles). Exact time and date of earthquake 31/10/20 / 2020-10-31 18:04:18 / October 31, 2020 @ 6:04 pm UTC/GMT. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, longitude -176.2564 West, latitude 51.4177 North, depth = 39.8 km. Event id: us7000c8pt. Ids that are associated to the earthquake: us7000c8pt.

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 twelve and in the last 365 days two hundred and fourty-three earthquakes of magnitude 3.0 or greater that has struck near. There are an estimated 13,000 light quakes in the world each year.

Did you feel the quake?

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: 57 km SSE of Adak, Alaska.

Adak Alaska

More information

Parameter	Value	Description
Magnitude	4.2 mb	The magnitude for the event.
Longitude	-176.2564° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	51.4177° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	39.8 km	Depth of the event in kilometers.
Place	57 km SSE of Adak, Alaska	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2020-10-31 18:04:18	Time when the event occurred. UTC/GMT
Updated	2020-10-31 19:04:57	Time when the event was most recently updated. UTC/GMT
Timezone offset		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	271	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	0.536	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.77 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	147	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	us7000c8pt	Id of event.
Event Code	7000c8pt	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us7000c8pt,	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, 4.2 mag strikes near Adak in Alaska

Did you feel the quake?

More information

Leave a ReplyCancel reply

Follow us!

Tsunami videos

Categories

Information