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Minor earthquake: M3.2 quake has struck near Alva in Oklahoma

Posted by admin on August 23, 2015 0 Comments

Earthquake location 36.7791S, -98.5178WA minor earthquake magnitude 3.2 (ml/mb) has occurred on Saturday, 13 kilometers (8 miles) from Alva in Oklahoma. Global date and time of event UTC/GMT: 23/08/15 / 2015-08-23 04:30:13 / August 23, 2015 @ 4:30 am. The epicenter was at a depth of 5 km (3 miles). Id of earthquake: us100034a6. Event ids that are associated: us100034a6. Exact location of event, depth 5 km, -98.5178° West, 36.7791° North. The 3.2-magnitude earthquake was detected at 23:30:13 / 11:30 pm (local time epicenter).

Epicenter of the event was 71 km (44 miles) from Enid (c. 49 400 pop). Nearest cities/city/villages to epicentrum/hypocenter was Enid (min 5000 pop). Close country/countries that might be effected, United States (c. 310 233 000 pop).

Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. In the past 24 hours, there have been two, in the last 10 days thirteen, in the past 30 days thirty-four and in the last 365 days four hundred and sixty earthquakes of magnitude 3.0 or greater that has struck near. Each year there are an estimated 130,000 minor earthquakes in the world.

Did you feel anything?

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: 13 km ESE of Alva, Oklahoma.

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More information

Parameter Value Description
Magnitude 3.2 mb The magnitude for the event.
Longitude -98.5178° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 36.7791° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 5 km Depth of the event in kilometers.
Place 13km ESE of Alva, Oklahoma Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-08-23 04:30:13 Time when the event occurred. UTC/GMT
Updated 2015-08-23 04:50:27 Time when the event was most recently updated. UTC/GMT
Timezone offset -300 Timezone offset from UTC in minutes at the event epicenter.
Felt 2 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 158 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 0.248 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.51 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 71 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 us100034a6 Id of event.
Event Code 100034a6 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us100034a6, A comma-separated list of event ids that are associated to an event.

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