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

Posted by admin on August 26, 2017 0 Comments

Earthquake location 36.6171S, -98.3479WA minor earthquake magnitude 2.8 (ml/mb) has struck on Saturday, 10 kilometers (6 miles) from Helena in Oklahoma. Event id: us2000ac19. Ids that are associated to the earthquake: us2000ac19. Exact location, longitude -98.3479° West, latitude 36.6171° North, depth = 4.38 km. The temblor was detected at 04:18:55 / 4:18 am (local time epicenter). Global time and date of event 26/08/17 / 2017-08-26 10:18:55 / August 26, 2017 @ 10:18 am UTC/GMT. The earthquake was roughly at a depth of 4.38 km (3 miles).

Country/countries that might be effected, United States (c. 310 233 000 pop). Nearest cities/city/villages to epicentrum/hypocenter was Enid (min 5000 pop). Event epicenter was 49 km (30 miles) from Enid (c. 49 400 pop).

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

Did you feel it?

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 10 km NW of Helena, Oklahoma. 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 -98.3479° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 36.6171° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 4.38 km Depth of the event in kilometers.
Place 10km NW 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 2017-08-26 10:18:55 Time when the event occurred. UTC/GMT
Updated 2017-08-26 10:35:46 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 0.216 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.11 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 94 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 us2000ac19 Id of event.
Event Code 2000ac19 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000ac19, A comma-separated list of event ids that are associated to an event.

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