Minor earthquake, 3.77 mag has occurred near Gassville in Arkansas

A minor earthquake with magnitude 3.77 (ml/mb) was reported 19 kilometers (12 miles) from Gassville in Arkansas on Thursday. Exact location, longitude -92.4140015° West, latitude 36.1178322° North, depth = 19.07 km. Exact time and date of event in UTC/GMT: 12/09/19 / 2019-09-12 06:42:22 / September 12, 2019 @ 6:42 am. The 3.77-magnitude earthquake was detected at 00:42:22 / 12:42 am (local time epicenter). Unique identifier: nm60286226. Ids that are associated to the event: nm60286226, us70005f9g. The earthquake occurred at a depth of 19.07 km (12 miles).

Close country/countries that might be effected, United States (c. 310 233 000 pop). Nearest cities/city/villages to epicentrum/hypocenter was West Plains, Batesville, Heber Springs (min 5000 pop). Epicenter of the earthquake was 63 km (39 miles) from Harrison (c. 12 900 pop), 24 km (15 miles) from Mountain Home (c. 12 400 pop), 84 km (52 miles) from West Plains (c. 12 000 pop), 80 km (49 miles) from Batesville (c. 10 200 pop), 78 km (48 miles) from Heber Springs (c. 7 200 pop).

There are an estimated 130,000 minor quakes in the world each year. 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 one earthquakes of magnitude 3.0 or greater that have been detected nearby. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage.

How would you describe the shaking?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home 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: 19 km SSE of Gassville, Arkansas.

More information

Parameter	Value	Description
Magnitude	3.77 mb	The magnitude for the event.
Longitude	-92.4140015° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	36.1178322° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	19.07 km	Depth of the event in kilometers.
Place	19km SSE of Gassville, Arkansas	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2019-09-12 06:42:22	Time when the event occurred. UTC/GMT
Updated	2019-09-12 06:53:19	Time when the event was most recently updated. UTC/GMT
Timezone offset	-360	Timezone offset from UTC in minutes at the event epicenter.
Felt	36	The total number of felt reports
CDI	4.8	The maximum reported intensity for the event.
MMI	4.002	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	236	A number describing how significant the event is. Larger numbers indicate a more significant event.
Network	nm	The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources	,nm,us,	A comma-separated list of network contributors.
Number of Stations Used	23	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.3271	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.24 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	67	The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type	md	The method or algorithm used to calculate the preferred magnitude for the event.
Event Type	earthquake	Type of seismic event.
Event ID	nm60286226	Id of event.
Event Code	60286226	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,nm60286226,us70005f9g,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 3.77 mag has occurred near Gassville in Arkansas

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