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Minor earthquake: M2.8 quake has struck near Helena in Oklahoma

Posted by admin on August 25, 2017 0 Comments

Earthquake location 36.3602S, -98.1867WA minor earthquake magnitude 2.8 (ml/mb) strikes 21 kilometers (13 miles) from Helena in Oklahoma on Friday. All ids that are associated to the event: us2000abq1. Unique identifier: us2000abq1. Exact location of earthquake, longitude -98.1867 West, latitude 36.3602 North, depth = 5 km. Date and time of earthquake in UTC/GMT: 25/08/17 / 2017-08-25 16:16:48 / August 25, 2017 @ 4:16 pm. The earthquake occurred at a depth of 5 km (3 miles) below the earth’s surface. The temblor was reported at 10:16:48 / 10:16 am (local time epicenter).

Epicenter of the earthquake was 28 km (17 miles) from Enid (c. 49 400 pop), 61 km (38 miles) from Watonga (c. 5 100 pop). Closest city/cities/towns to epicentrum/hypocenter was Watonga, Enid (min 5000 pop). Close country/countries, United States (c. 310 233 000 pop) (That might be effected).

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

Did you feel anything?

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. 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 SSE of Helena, Oklahoma.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -98.1867° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 36.3602° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 5 km Depth of the event in kilometers.
Place 21km 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 2017-08-25 16:16:48 Time when the event occurred. UTC/GMT
Updated 2017-08-25 16:32:23 Time when the event was most recently updated. UTC/GMT
Timezone offset -360 Timezone offset from UTC in minutes at the event epicenter.
Felt 1 The total number of felt reports
CDI 2 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 0.218 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.18 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 44 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 us2000abq1 Id of event.
Event Code 2000abq1 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000abq1, A comma-separated list of event ids that are associated to an event.

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