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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.4 mag, 11 km NNE of Decatur, Tennessee


Earthquake location 35.6144981S, -84.739502WA light earthquake with magnitude 4.4 (ml/mb) was reported 11 kilometers (7 miles) from Decatur in Tennessee on Wednesday. The earthquake occurred at a depth of 8.98 km (6 miles). The temblor was picked up at 04:14:43 / 4:14 am (local time epicenter). Date and time of earthquake in UTC/GMT: 12/12/18 / 2018-12-12 09:14:43 / December 12, 2018 @ 9:14 am. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of event, longitude -84.739502 West, latitude 35.6144981 North, depth = 8.98 km. Unique identifier: se60247871. Ids that are associated to the event: se60247871, us2000isq7.

The epicenter was 83 km (52 miles) from Knoxville (c. 178 900 pop), 82 km (51 miles) from Chattanooga (c. 167 700 pop), 77 km (48 miles) from East Chattanooga (c. 154 000 pop), 52 km (32 miles) from Cleveland (c. 41 300 pop), 92 km (57 miles) from Cookeville (c. 30 400 pop), 61 km (38 miles) from Oak Ridge (c. 29 300 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was McMinnville, Cookeville, Fairview. Country/countries that might be effected, United States (c. 310 233 000 pop).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been two, in the last 10 days two, in the past 30 days two and in the last 365 days four earthquakes of magnitude 3.0 or greater that have been detected nearby. Every year there are an estimated 13,000 light earthquakes in the world.

How would you describe the shaking?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 11 km NNE of Decatur, Tennessee.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude -84.739502° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 35.6144981° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 8.98 km Depth of the event in kilometers.
Place 11km NNE of Decatur, Tennessee Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-12-12 09:14:43 Time when the event occurred. UTC/GMT
Updated 2018-12-12 09:41:22 Time when the event was most recently updated. UTC/GMT
Timezone offset -300 Timezone offset from UTC in minutes at the event epicenter.
Felt 1971 The total number of felt reports
CDI 5.8 The maximum reported intensity for the event.
MMI 5.21 The maximum estimated instrumental intensity for the event.
Alert Level green 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 878 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network se The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,se,us, A comma-separated list of network contributors.
Number of Stations Used 14 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.12 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 110 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type md The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID se60247871 Id of event.
Event Code 60247871 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,se60247871,us2000isq7, A comma-separated list of event ids that are associated to an event.

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