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Minor earthquake: M2.9 quake has struck near Helena in Oklahoma

Posted by admin on September 28, 2015 0 Comments

Earthquake location 36.3932S, -98.2951WA minor earthquake magnitude 2.9 (ml/mb) has struck on Monday, 17 kilometers (11 miles) from Helena in Oklahoma. Id of earthquake: us10003im7. Event ids that are associated: us10003im7. Exact location of event, depth 6.655 km, -98.2951° West, 36.3932° North. The temblor was picked up at 14:49:52 / 2:49 pm (local time epicenter). Global time and date of event 28/09/15 / 2015-09-28 19:49:52 / September 28, 2015 @ 7:49 pm UTC/GMT. The earthquake occurred at a depth of 6.655 km (4 miles) below the earth’s surface.

Nearest cities/city/villages to epicentrum/hypocenter was Watonga, Enid (min 5000 pop). Epicenter of the earthquake was 37 km (23 miles) from Enid (c. 49 400 pop), 62 km (38 miles) from Watonga (c. 5 100 pop). Nearby country/countries, United States (c. 310 233 000 pop) (That might be effected).

Every year there are an estimated 1,300,000 minor earthquakes in the world. Earthquakes 2.5 to 3.0 are often felt, but only causes minor damage. In the past 24 hours, there have been 0, in the last 10 days eight, in the past 30 days thirty-one and in the last 365 days six hundred and fifty-three earthquakes of magnitude 3.0 or greater that have been detected in the same area.

Did you feel anything?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. 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: 17 km S of Helena, Oklahoma.

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More information

Parameter Value Description
Magnitude 2.9 mb The magnitude for the event.
Longitude -98.2951° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 36.3932° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 6.655 km Depth of the event in kilometers.
Place 17km 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 2015-09-28 19:49:52 Time when the event occurred. UTC/GMT
Updated 2015-09-28 21:27:40 Time when the event was most recently updated. UTC/GMT
Timezone offset -300 Timezone offset from UTC in minutes at the event epicenter.
Felt 4 The total number of felt reports
CDI 2.8 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 131 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 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.53 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 82 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type ml The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us10003im7 Id of event.
Event Code 10003im7 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10003im7, A comma-separated list of event ids that are associated to an event.

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