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Minor World Earthquakes Magnitude -3.9

Minor earthquake, 3.3 mag has occurred near Medford in Oklahoma


Earthquake location 36.5972S, -97.698WA minor earthquake with magnitude 3.3 (ml/mb) was detected on Sunday, 23 kilometers (14 miles) from Medford in Oklahoma. Event ids that are associated to the earthquake: us100034ib. Id of event: us100034ib. Exact time and date of event in UTC/GMT: 23/08/15 / 2015-08-23 15:00:57 / August 23, 2015 @ 3:00 pm. The earthquake occurred at a depth of 6.835 km (4 miles). Exact location, longitude -97.698° West, latitude 36.5972° North, depth = 6.835 km. The 3.3-magnitude earthquake was detected at 10:00:57 / 10:00 am (local time epicenter).

Nearby country/countries that might be effected, United States (c. 310 233 000 pop). Nearest cities/city/towns to hypocenter/epicentrum was Wellington, Stillwater, Arkansas City (min 5000 pop). Epicenter of the event was 28 km (17 miles) from Enid (c. 49 400 pop), 78 km (49 miles) from Stillwater (c. 45 700 pop), 56 km (35 miles) from Ponca City (c. 25 400 pop), 78 km (49 miles) from Arkansas City (c. 12 400 pop), 80 km (50 miles) from Wellington (c. 8 200 pop).

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

Did you feel anything?

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 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: 23 km S of Medford, Oklahoma.

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More information

Parameter Value Description
Magnitude 3.3 mb The magnitude for the event.
Longitude -97.698° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 36.5972° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 6.835 km Depth of the event in kilometers.
Place 23km S of Medford, Oklahoma Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-08-23 15:00:57 Time when the event occurred. UTC/GMT
Updated 2015-08-26 19:49:19 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 2.2 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 168 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 0.41 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 65 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 us100034ib Id of event.
Event Code 100034ib An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us100034ib, A comma-separated list of event ids that are associated to an event.

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