Minor earthquake, 3.7 mag was detected near Helena in Oklahoma

A minor earthquake magnitude 3.7 (ml/mb) has struck on Friday, 14 kilometers (9 miles) from Helena in Oklahoma. Exact time and date of earthquake 21/10/16 / 2016-10-21 20:25:36 / October 21, 2016 @ 8:25 pm UTC/GMT. Exact location of earthquake, -98.2328° West, 36.4225° North, depth 5 km. All ids that are associated to the event: us20007g00. Unique identifier: us20007g00. The 3.7-magnitude earthquake has occurred at 15:25:36 / 3:25 pm (local time epicenter). The epicenter was at a depth of 5 km (3 miles).

Close country/countries, United States (c. 310 233 000 pop) (That might be effected). The epicenter was 32 km (20 miles) from Enid (c. 49 400 pop), 86 km (53 miles) from Perry (c. 5 100 pop), 66 km (41 miles) from Watonga (c. 5 100 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Perry, Watonga, Enid.

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 three, in the last 10 days nine, in the past 30 days twenty-two and in the last 365 days four hundred and nineteen earthquakes of magnitude 3.0 or greater that has occurred nearby.

How would you describe the shaking?

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. 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: 14 km SSE of Helena, Oklahoma.

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Parameter	Value	Description
Magnitude	3.7 mb	The magnitude for the event.
Longitude	-98.2328° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	36.4225° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	5 km	Depth of the event in kilometers.
Place	14km SSE of Helena, Oklahoma	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2016-10-21 20:25:36	Time when the event occurred. UTC/GMT
Updated	2016-10-21 21:08:30	Time when the event was most recently updated. UTC/GMT
Timezone offset	-300	Timezone offset from UTC in minutes at the event epicenter.
Felt	1	The total number of felt reports
CDI	2	The maximum reported intensity for the event.
MMI	4.52	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	211	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	0.217	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.47 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	56	The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type	mb_lg	The method or algorithm used to calculate the preferred magnitude for the event.
Event Type	earthquake	Type of seismic event.
Event ID	us20007g00	Id of event.
Event Code	20007g00	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us20007g00,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 3.7 mag was detected near Helena in Oklahoma

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