Minor earthquake: M3.2 quake has struck near Helena in Oklahoma

A minor earthquake magnitude 3.2 (ml/mb) has occurred on Tuesday, 13 kilometers (8 miles) from Helena in Oklahoma. The earthquake occurred at a depth of 5 km (3 miles) below the earth’s surface. Event ids that are associated to the earthquake: us2000acw8. Id of event: us2000acw8. The temblor was picked up at 11:23:51 / 11:23 am (local time epicenter). Exact time and date of earthquake 29/08/17 / 2017-08-29 17:23:51 / August 29, 2017 @ 5:23 pm UTC/GMT. Exact location, longitude -98.3986° West, latitude 36.6148° North, depth = 5 km.

Nearby country/countries, United States (c. 310 233 000 pop) (That might be effected). Earthquake epicenter was 52 km (33 miles) from Enid (c. 49 400 pop). Nearest cities/city/towns to hypocenter/epicentrum was Enid (min 5000 pop).

Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. Each year there are an estimated 130,000 minor quakes in the world. In the past 24 hours, there have been one, in the last 10 days four, in the past 30 days eighteen and in the last 365 days one hundred and eighty earthquakes of magnitude 3.0 or greater that have been detected in the same area.

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: 13 km WNW of Helena, Oklahoma.

More information

Parameter	Value	Description
Magnitude	3.2 mb	The magnitude for the event.
Longitude	-98.3986° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	36.6148° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	5 km	Depth of the event in kilometers.
Place	13km WNW 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	2017-08-29 17:23:51	Time when the event occurred. UTC/GMT
Updated	2017-08-29 17:42:27	Time when the event was most recently updated. UTC/GMT
Timezone offset	-360	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	158	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	0.241	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.29 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	44	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	us2000acw8	Id of event.
Event Code	2000acw8	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us2000acw8,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake: M3.2 quake has struck near Helena in Oklahoma

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