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Minor earthquake 2.8 mag, 21 km E of Caldwell, Kansas


Earthquake location 37.0598S, -97.3709WA minor earthquake with magnitude 2.8 (ml/mb) was reported 21 kilometers (13 miles) from Caldwell in Kansas on Sunday. The earthquake occurred at a depth of 6.08 km (4 miles) below the earth’s surface. Id of earthquake: us1000ghh7. Event ids that are associated: us1000ghh7. The 2.8-magnitude earthquake has occurred at 00:09:18 / 12:09 am (local time epicenter). Global time and date of event 26/08/18 / 2018-08-26 06:09:18 / August 26, 2018 @ 6:09 am UTC/GMT. Exact location of event, depth 6.08 km, -97.3709° West, 37.0598° North.

Epicenter of the earthquake was 70 km (44 miles) from Wichita (c. 382 400 pop), 47 km (29 miles) from Ponca City (c. 25 400 pop), 55 km (34 miles) from Derby (c. 22 200 pop), 30 km (18 miles) from Arkansas City (c. 12 400 pop), 39 km (24 miles) from Winfield (c. 12 300 pop). Nearest cities/city/towns to hypocenter/epicentrum was Andover, Wichita, Haysville (min 5000 pop). Country/countries that might be effected, United States (c. 310 233 000 pop).

Every year there are an estimated 1,300,000 minor earthquakes in the world. In the past 24 hours, there have been 0, in the last 10 days 0, in the past 30 days two and in the last 365 days seventy-seven earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage.

Did you feel anything?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. 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: 21 km E of Caldwell, Kansas.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -97.3709° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 37.0598° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 6.08 km Depth of the event in kilometers.
Place 21km E 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 2018-08-26 06:09:18 Time when the event occurred. UTC/GMT
Updated 2018-08-26 07:25:01 Time when the event was most recently updated. UTC/GMT
Timezone offset -360 Timezone offset from UTC in minutes at the event epicenter.
Felt 2 The total number of felt reports
CDI 3.8 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 0.097 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.16 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 147 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 us1000ghh7 Id of event.
Event Code 1000ghh7 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000ghh7, A comma-separated list of event ids that are associated to an event.

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