Minor earthquake, 3.8 mag has occurred near Chirik

A minor earthquake magnitude 3.8 (ml/mb) has struck on Sunday, 133 km SSW of Chirikof Island, Alaska (83 miles). The earthquake occurred at a depth of 10 km (6 miles). Date and time of earthquake in UTC/GMT: 20/07/15 / 2015-07-20 02:34:48 / July 20, 2015 @ 2:34 am. Exact location of event, longitude -156.7703 West, latitude 54.8179 North, depth = 10 km. The 3.8-magnitude earthquake was detected at 16:34:48 / 4:34 pm (local time epicenter). Event id: us20002zwa. Ids that are associated to the earthquake: ak11654471, us20002zwa.

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. In the past 24 hours, there have been two, in the last 10 days three, in the past 30 days three and in the last 365 days eleven earthquakes of magnitude 3.0 or greater that has occurred nearby.

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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, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 133 km SSW of Chirikof Island, Alaska. This information comes from the USGS Earthquake Notification Service.

Chirik

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Parameter	Value	Description
Magnitude	3.8 mb	The magnitude for the event.
Longitude	-156.7703° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	54.8179° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	10 km	Depth of the event in kilometers.
Place	133km SSW of Chirikof 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	2015-07-20 02:34:48	Time when the event occurred. UTC/GMT
Updated	2015-08-11 00:00:35	Time when the event was most recently updated. UTC/GMT
Timezone offset	-600	Timezone offset from UTC in minutes at the event epicenter.
Felt	0	The total number of felt reports
CDI	1	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	222	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	1.201	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	1.06 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	218	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	us20002zwa	Id of event.
Event Code	20002zwa	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ak11654471,us20002zwa,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 3.8 mag has occurred near Chirik

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