Minor earthquake: M2.8 quake has struck near Helena in Oklahoma

A minor earthquake magnitude 2.8 (ml/mb) strikes 18 kilometers (11 miles) from Helena in Oklahoma on Thursday. Global time and date of event 26/11/15 / 2015-11-26 09:04:56 / November 26, 2015 @ 9:04 am UTC/GMT. Event id: us100041hw. Ids that are associated to the earthquake: us100041hw. Exact location of event, depth 5.38 km, -98.2818° West, 36.3819° North. The 2.8-magnitude earthquake has occurred at 03:04:56 / 3:04 am (local time epicenter). The epicenter was at a depth of 5.38 km (3 miles).

Epicenter of the earthquake was 36 km (22 miles) from Enid (c. 49 400 pop), 61 km (38 miles) from Watonga (c. 5 100 pop). Close country/countries, United States (c. 310 233 000 pop) (That might be effected). Closest city/cities/towns to epicentrum/hypocenter was Watonga, Enid (min 5000 pop).

There are an estimated 1,300,000 minor earthquakes in the world each year. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. In the past 24 hours, there have been six, in the last 10 days twenty-eight, in the past 30 days sixty-eight and in the last 365 days six hundred and seventy-four earthquakes of magnitude 3.0 or greater that have been detected nearby.

Did you feel it?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city 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: 18 km S of Helena, Oklahoma.

More information

Parameter	Value	Description
Magnitude	2.8 mb	The magnitude for the event.
Longitude	-98.2818° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	36.3819° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	5.38 km	Depth of the event in kilometers.
Place	18km S 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	2015-11-26 09:04:56	Time when the event occurred. UTC/GMT
Updated	2015-11-26 09:12:52	Time when the event was most recently updated. UTC/GMT
Timezone offset	-360	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	121	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	0.27	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.12 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	98	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	us100041hw	Id of event.
Event Code	100041hw	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us100041hw,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake: M2.8 quake has struck near Helena in Oklahoma

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