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Earthquake breaking news, Minor World Earthquakes Magnitude -3.9

Minor earthquake: M3.1 quake has struck near Helena in Oklahoma


Earthquake location 36.5915S, -98.2173WA minor earthquake magnitude 3.1 (ml/mb) has occurred on Tuesday, 6 kilometers (4 miles) from Helena in Oklahoma. Date and time of earthquake in UTC/GMT: 29/09/15 / 2015-09-29 12:40:00 / September 29, 2015 @ 12:40 pm. Event id: us10003irh. Ids that are associated to the earthquake: us10003irh. The epicenter of the earthquake was roughly 5 km (3 miles) below the earth’s surface. Exact location of earthquake, longitude -98.2173 West, latitude 36.5915 North, depth = 5 km. The temblor was picked up at 07:40:00 / 7:40 am (local time epicenter).

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

Every year there are an estimated 130,000 minor earthquakes in the world. In the past 24 hours, there have been one, in the last 10 days eight, in the past 30 days twenty-seven and in the last 365 days six hundred and nine earthquakes of magnitude 3.0 or greater that has occurred nearby. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage.

How would you describe the shaking?

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: 6 km NE of Helena, Oklahoma.

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More information

Parameter Value Description
Magnitude 3.1 mb The magnitude for the event.
Longitude -98.2173° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 36.5915° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 5 km Depth of the event in kilometers.
Place 6km NE 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 2015-09-29 12:40:00 Time when the event occurred. UTC/GMT
Updated 2015-09-29 12:57:16 Time when the event was most recently updated. UTC/GMT
Timezone offset -300 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 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 0.207 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 80 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 us10003irh Id of event.
Event Code 10003irh An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10003irh, A comma-separated list of event ids that are associated to an event.

1 Comment

  1. Ayush

    No i did not feel

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