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Minor earthquake, 2.81 mag was detected near Helena in Oklahoma


Earthquake location 36.37126541S, -98.15180206WA minor earthquake with magnitude 2.81 (ml/mb) was detected on Sunday, 22 kilometers (14 miles) from Helena in Oklahoma. The earthquake occurred at a depth of 3.220035791 km (2 miles). The temblor was detected at 09:21:31 / 9:21 am (local time epicenter). Id of earthquake: ok2020kegv. Event ids that are associated: ok2020kegv. Exact location of event, longitude -98.15180206 West, latitude 36.37126541 North, depth = 3.220035791 km. Exact time and date of earthquake 24/05/20 / 2020-05-24 15:21:31 / May 24, 2020 @ 3:21 pm UTC/GMT.

Event epicenter was 25 km (15 miles) from Enid (c. 49 400 pop), 63 km (39 miles) from Watonga (c. 5 100 pop). Nearest cities/city/villages to epicentrum/hypocenter was Watonga, Enid (min 5000 pop). Close country/countries that might be effected, United States (c. 310 233 000 pop).

In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days five and in the last 365 days sixty-two earthquakes of magnitude 3.0 or greater that have been detected nearby. 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.

Did you feel it?

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 22 km SSE of Helena, Oklahoma. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 2.81 mb The magnitude for the event.
Longitude -98.15180206° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 36.37126541° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 3.220035791 km Depth of the event in kilometers.
Place 22km SSE of Helena, Oklahoma Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-05-24 15:21:31 Time when the event occurred. UTC/GMT
Updated 2020-05-24 15:23:09 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 automatic 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 ok The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,ok, A comma-separated list of network contributors.
Number of Stations Used 68 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.04860600829 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.5513551151 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 67.5275631 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 ok2020kegv Id of event.
Event Code 2020kegv An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ok2020kegv, A comma-separated list of event ids that are associated to an event.

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