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Earthquake breaking news, Minor World Earthquakes Magnitude -3.9

Minor earthquake 3.1 mag, 8 km W of Helena, Oklahoma



Earthquake location 36.5607S, -98.3669WA minor earthquake with magnitude 3.1 (ml/mb) was detected on Sunday, 8 kilometers (5 miles) from Helena in Oklahoma. The earthquake was roughly at a depth of 9.42 km (6 miles). Exact location of earthquake, longitude -98.3669 West, latitude 36.5607 North, depth = 9.42 km. Event ids that are associated to the earthquake: us10003mtz. Id of event: us10003mtz. The 3.1-magnitude earthquake has occurred at 03:49:51 / 3:49 am (local time epicenter). Global date and time of event UTC/GMT: 11/10/15 / 2015-10-11 08:49:51 / October 11, 2015 @ 8:49 am.

Closest city/cities/towns to epicentrum/hypocenter was Watonga, Enid (min 5000 pop). Earthquake epicenter was 47 km (29 miles) from Enid (c. 49 400 pop), 80 km (50 miles) from Watonga (c. 5 100 pop). Nearby country/countries, United States (c. 310 233 000 pop) (That might be effected).

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 fourteen, in the past 30 days thirty-eight and in the last 365 days five hundred and fourty-three earthquakes of magnitude 3.0 or greater that have been detected in the same area. There are an estimated 130,000 minor quakes in the world each year.

Did you feel it?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity 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: 8 km W of Helena, Oklahoma.

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More information

Parameter Value Description
Magnitude 3.1 mb The magnitude for the event.
Longitude -98.3669° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 36.5607° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 9.42 km Depth of the event in kilometers.
Place 8km W 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 2015-10-11 08:49:51 Time when the event occurred. UTC/GMT
Updated 2015-10-11 09:07:39 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 3.4 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 148 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 0.273 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.31 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 129 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 us10003mtz Id of event.
Event Code 10003mtz An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10003mtz, A comma-separated list of event ids that are associated to an event.

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