Minor earthquake: M3.9 quake has struck near Semisopochnoi Island in Alaska

A minor earthquake magnitude 3.9 (ml/mb) has struck on Wednesday, 100 km SSW of Semisopochnoi Island, Alaska (62 miles). The temblor was detected at 07:08:53 / 7:08 am (local time epicenter). The epicenter was at a depth of 52.8 km (33 miles). Id of earthquake: us10008qyn. Event ids that are associated: ak16015929, us10008qyn. Exact location of event, depth 52.8 km, 179.2381° East, 51.0797° North. Date and time of earthquake in UTC/GMT: 09/05/17 / 2017-05-09 19:08:53 / May 9, 2017 @ 7:08 pm.

In the past 24 hours, there have been two, in the last 10 days five, in the past 30 days seventeen and in the last 365 days one hundred and thirty-seven earthquakes of magnitude 3.0 or greater that was reported nearby. Each year there are an estimated 130,000 minor quakes in the world. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage.

Did you feel anything?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage 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: 100 km SSW of Semisopochnoi Island, Alaska.

Alaska Semisopochnoi Island

More information

Parameter	Value	Description
Magnitude	3.9 mb	The magnitude for the event.
Longitude	179.2381° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	51.0797° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	52.8 km	Depth of the event in kilometers.
Place	100km SSW of Semisopochnoi Island, Alaska	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2017-05-09 19:08:53	Time when the event occurred. UTC/GMT
Updated	2017-05-09 21:00:08	Time when the event was most recently updated. UTC/GMT
Timezone offset	720	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	234	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	,ak,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	0.3	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	1.16 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	193	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	us10008qyn	Id of event.
Event Code	10008qyn	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ak16015929,us10008qyn,	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

Minor earthquake: M3.9 quake has struck near Semisopochnoi Island in Alaska

Did you feel anything?

More information

Leave a ReplyCancel reply

Follow us!

Tsunami videos

Categories

Information