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Minor World Earthquakes Magnitude -3.9

Minor earthquake: M3.1 quake has struck near Caldwell in Kansas

Earthquake location 36.9137S, -97.6539WA minor earthquake magnitude 3.1 (ml/mb) strikes 13 kilometers (8 miles) from Caldwell in Kansas on Wednesday. Event id: us1000atsj. Ids that are associated to the earthquake: us1000atsj. The earthquake occurred at a depth of 7.695 km (5 miles) below the earth’s surface. The 3.1-magnitude earthquake was detected at 11:37:12 / 11:37 am (local time epicenter). Global time and date of event 18/10/17 / 2017-10-18 17:37:12 / October 18, 2017 @ 5:37 pm UTC/GMT. Exact location of earthquake, -97.6539° West, 36.9137° North, depth 7.695 km.

Closest city/cities/towns to epicentrum/hypocenter was Derby, Haysville, Perry (min 5000 pop). Close country/countries that might be effected, United States (c. 310 233 000 pop). Epicenter of the earthquake was 61 km (38 miles) from Enid (c. 49 400 pop), 56 km (35 miles) from Ponca City (c. 25 400 pop), 78 km (49 miles) from Derby (c. 22 200 pop), 57 km (35 miles) from Arkansas City (c. 12 400 pop), 69 km (43 miles) from Winfield (c. 12 300 pop).

There are an estimated 130,000 minor earthquakes in the world each year. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. In the past 24 hours, there have been thirteen, in the last 10 days fourteen, in the past 30 days twenty-one and in the last 365 days one hundred and sixty-eight earthquakes of magnitude 3.0 or greater that has struck near.

Questions or comments?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 13 km SSW of Caldwell, Kansas. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.1 mb The magnitude for the event.
Longitude -97.6539° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 36.9137° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 7.695 km Depth of the event in kilometers.
Place 13km SSW of Caldwell, Kansas Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-10-18 17:37:12 Time when the event occurred. UTC/GMT
Updated 2017-11-14 22:54:27 Time when the event was most recently updated. UTC/GMT
Timezone offset -360 Timezone offset from UTC in minutes at the event epicenter.
Felt The total number of felt reports
CDI 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 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.32 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 48 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 us1000atsj Id of event.
Event Code 1000atsj An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000atsj, A comma-separated list of event ids that are associated to an event.

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