Minor earthquake: M3.8 quake has struck near Helena in Oklahoma

A minor earthquake magnitude 3.8 (ml/mb) strikes 13 kilometers (8 miles) from Helena in Oklahoma on Friday. The earthquake occurred at a depth of 7.45 km (5 miles) below the earth’s surface. Exact location of earthquake, -98.1458° West, 36.6098° North, depth 7.45 km. The temblor was reported at 00:58:53 / 12:58 am (local time epicenter). Event ids that are associated to the earthquake: us10003jpm. Id of event: us10003jpm. Global time and date of event 02/10/15 / 2015-10-02 05:58:53 / October 2, 2015 @ 5:58 am UTC/GMT.

Close country/countries, United States (c. 310 233 000 pop) (That might be effected). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Perry, Blackwell, Enid. Epicenter of the event was 34 km (21 miles) from Enid (c. 49 400 pop), 80 km (50 miles) from Blackwell (c. 7 100 pop), 85 km (53 miles) from Perry (c. 5 100 pop).

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

Did you feel it?

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. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 13 km ENE of Helena, Oklahoma.

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Parameter	Value	Description
Magnitude	3.8 mb	The magnitude for the event.
Longitude	-98.1458° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	36.6098° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	7.45 km	Depth of the event in kilometers.
Place	13km ENE 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	2015-10-02 05:58:53	Time when the event occurred. UTC/GMT
Updated	2015-10-02 06:12:01	Time when the event was most recently updated. UTC/GMT
Timezone offset	-300	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	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	,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	0.167	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.75 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	79	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	us10003jpm	Id of event.
Event Code	10003jpm	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us10003jpm,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake: M3.8 quake has struck near Helena in Oklahoma

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