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Minor earthquake, 2.8 mag strikes near Caldwell in Kansas


Earthquake location 37.0597S, -97.7446WA minor earthquake magnitude 2.8 (ml/mb) strikes 12 kilometers (7 miles) from Caldwell in Kansas on Friday. Exact location of event, depth 1.67 km, -97.7446° West, 37.0597° North. Event ids that are associated to the earthquake: us2000410t. Id of event: us2000410t. The earthquake was roughly at a depth of 1.67 km (1 miles). Exact time and date of event in UTC/GMT: 31/10/15 / 2015-10-31 04:17:52 / October 31, 2015 @ 4:17 am. The 2.8-magnitude earthquake was detected at 23:17:52 / 11:17 pm (local time epicenter).

Epicenter of the event was 75 km (46 miles) from Enid (c. 49 400 pop), 71 km (44 miles) from Ponca City (c. 25 400 pop), 68 km (43 miles) from Derby (c. 22 200 pop), 63 km (39 miles) from Arkansas City (c. 12 400 pop), 69 km (43 miles) from Winfield (c. 12 300 pop). Closest city/cities/towns to epicentrum/hypocenter was Enid, Ponca City, Winfield (min 5000 pop). Nearby country/countries, United States (c. 310 233 000 pop) (That might be effected).

Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. In the past 24 hours, there have been three, in the last 10 days fifteen, in the past 30 days fourty-eight and in the last 365 days five hundred and twenty-two earthquakes of magnitude 3.0 or greater that have been detected in the same area. Each year there are an estimated 1,300,000 minor earthquakes in the world.

How would you describe the shaking?

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 12 km WNW of Caldwell, Kansas. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -97.7446° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 37.0597° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 1.67 km Depth of the event in kilometers.
Place 12km WNW 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 2015-10-31 04:17:52 Time when the event occurred. UTC/GMT
Updated 2015-10-31 04:33:58 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 121 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 0.022 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 43 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 us2000410t Id of event.
Event Code 2000410t An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000410t, A comma-separated list of event ids that are associated to an event.

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