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Minor earthquake, 2.8 mag was detected near Caldwell in Kansas

Earthquake location 37.131S, -97.6472WA minor earthquake with magnitude 2.8 (ml/mb) was detected on Thursday, 11 kilometers (7 miles) from Caldwell in Kansas. The earthquake occurred at a depth of 6.49 km (4 miles) below the earth’s surface. The 2.8-magnitude earthquake was detected at 10:31:32 / 10:31 am (local time epicenter). Id of earthquake: us10004al6. Event ids that are associated: us10004al6. Exact time and date of event in UTC/GMT: 31/12/15 / 2015-12-31 16:31:32 / December 31, 2015 @ 4:31 pm. Exact location of earthquake, -97.6472° West, 37.131° North, depth 6.49 km.

Event epicenter was 68 km (42 miles) from Wichita (c. 382 400 pop), 69 km (43 miles) from Ponca City (c. 25 400 pop), 57 km (35 miles) from Derby (c. 22 200 pop), 55 km (34 miles) from Arkansas City (c. 12 400 pop), 59 km (37 miles) from Winfield (c. 12 300 pop). Close country/countries, United States (c. 310 233 000 pop) (That might be effected). Nearest cities/city/towns to hypocenter/epicentrum was Ponca City, Wichita, Winfield (min 5000 pop).

There are an estimated 1,300,000 minor earthquakes in the world each year. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. In the past 24 hours, there have been 0, in the last 10 days nine, in the past 30 days twenty-seven and in the last 365 days four hundred and ninety-four earthquakes of magnitude 3.0 or greater that have been detected nearby.

How would you describe the shaking?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home 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: 11 km NNW of Caldwell, Kansas.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -97.6472° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 37.131° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 6.49 km Depth of the event in kilometers.
Place 11km NNW 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 2015-12-31 16:31:32 Time when the event occurred. UTC/GMT
Updated 2015-12-31 17:05:40 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 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 0.092 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.54 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 28 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 us10004al6 Id of event.
Event Code 10004al6 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10004al6, A comma-separated list of event ids that are associated to an event.

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