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Moderate mag. 3.7 earthquake - 4.6 mi southwest of Superior, Nuckolls County, Nepalaka, USA, on Sunday, Jul 17, 2022 at 7:51 am (GMT -5) -

Moderate mag. 3.7 earthquake - 4.6 mi southwest of Superior, Nuckolls County, Nepalaka, USA, on Sunday, Jul 17, 2022 at 7:51 am (GMT -5) Moderate mag. 3.7 earthquake - 4.6 mi southwest of Superior, Nuckolls County, Nepalaka, USA, on Sunday, Jul 17, 2022 at 7:51 am (GMT -5)

Moderate magnitude 3.7 earthquake at 5 km depth

17 Jul 12:59 UTC: First to report: VolcanoDiscovery after 8 minutes.
17 Jul 13:09: Now using data updates from USGS
Update Sun, 17 Jul 2022, 13:18

Small tremor of magnitude 3.7 just reported 5 miles southwest of Superior, Nebraska, United States

3.7 quake 17 Jul 7:51 am (GMT -5)
3.7 quake 17 Jul 7:51 am (GMT -5)
A very shallow magnitude 3.7 earthquake was reported in the morning near Superior, Nuckolls County, Nepalaka, USA.
According to the United States Geological Survey, the quake hit on Sunday, July 17th, 2022, at 7:51 am local time at a very shallow depth of 3.1 miles. Shallow earthquakes are felt more strongly than deeper ones as they are closer to the surface. The exact magnitude, epicenter, and depth of the quake might be revised within the next few hours or minutes as seismologists review data and refine their calculations, or as other agencies issue their report.
A second report was later issued by the citizen-seismograph network of RaspberryShake, which listed it as a magnitude 3.7 earthquake as well. A third agency, the European-Mediterranean Seismological Centre (EMSC), reported the same quake at magnitude 3.7.
Based on the preliminary seismic data, the quake should not have caused any significant damage, but was probably felt by many people as light vibration in the area of the epicenter.
Weak shaking might have been felt in Superior (pop. 1,900) located 5 miles from the epicenter.
Other towns or cities near the epicenter where the quake might have been felt as very weak shaking include Belleville (pop. 1,900) located 29 miles from the epicenter, Hebron (pop. 1,500) 32 miles away, Willow Springs (pop. 3,800) 36 miles away, Concordia (pop. 5,200) 38 miles away, and Hastings (pop. 24,900) 44 miles away. In Fairbury (pop. 3,800, 52 miles away), the quake was probably not felt.

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Earthquake details

Date & timeJul 17, 2022 12:51:41 UTC -
Local time at epicenterSunday, Jul 17, 2022 at 7:51 am (GMT -5)
StatusConfirmed
Magnitude3.7
Depth5.0 km
Epicenter latitude / longitude39.983°N / 98.1425°W (Nuckolls, Nepalaka, United States)
Antipode39.983°S / 81.858°E
Shaking intensityWeak shaking
Felt27 reports
Primary data sourceUSGS (United States Geological Survey)
Nearby towns and cities7 km (5 mi) SW of Superior (pop: 1,880) | Show on map | Quakes nearby
47 km (29 mi) WNW of Belleville (Kansas) (pop: 1,910) | Show on map | Quakes nearby
52 km (32 mi) WSW of Hebron (pop: 1,540) | Show on map | Quakes nearby
59 km (36 mi) N of Willow Springs (Kansas) (pop: 3,790) | Show on map | Quakes nearby
62 km (38 mi) NW of Concordia (Kansas) (pop: 5,220) | Show on map | Quakes nearby
70 km (44 mi) SSE of Hastings (pop: 24,900) | Show on map | Quakes nearby
113 km (70 mi) SE of Kirnehj (pop: 33,000) | Show on map | Quakes nearby
155 km (96 mi) SW of Lincoln (pop: 277,300) | Show on map | Quakes nearby
Weather at epicenter at time of quakeClear Sky 19.9°C (68 F), humidity: 86%, wind: 4 m/s (8 kts) from N
Estimated seismic energy released2.2 x 1010 joules (6.22 megawatt hours, equivalent to 5.35 tons of TNT) | about seismic energy
Show interactive Map
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Data for the same earthquake reported by different agencies

Info: The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.
Mag.DepthLocationSource
3.75 km7 Km SW of Superior, NebraskaUSGS
3.710 kmKANSASEMSC
3.75 kmKansasRaspberryShake
4.410 kmKansasGFZ

Seismograms

Seismic station: Kansas State University--Konza Prairie, Kansas, USA (KSU1/US network) | Distance from quake: 164 km / 102 mi | Show on map | Station Info
Seismic station Kansas State University--Konza Prairie, Kansas, USA: vertical movement plot around time of quake (source: IRIS/BUD)
Seismogram (vertical component) around time of quake. Thin dotted red line indicates time of quake. Seismic waves arrive some time later, depending on distance. Source: IRIS Buffer of Uniform Data (BUD) webtool
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User reports for this quake (29)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Superior, Ne (7.5 km NE of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 5-10 s : Woke me up from sleeping. Plates on display bounced around and everything shook but nothing fell from its place | 4 users found this interesting.  
Superior, NE / Light shaking (MMI IV) / rattling, vibrating / 5-10 s : I was in the basement and I heard a loud rumble or explosion sound followed by vibration and light shaking. Then there were two light rumbles between 10 and 20 seconds later. It woke my daughter up and she reported a little lightweight knick knack falling | 4 users found this interesting.  
Lincoln, Nebraska / Weak shaking (MMI III) / very short : The house shook gently for a few moments. It felt like a big gust of wind, but conditions outdoors were calm. | 3 users found this interesting.  
Lovewell lake kansas (11.6 km SE of epicenter) [Map] / Weak shaking (MMI III) / horizontal (sideways) swinging / 2-5 s : Sitting in our camper. Felt the camper sway back and forth. My husband felt it as he was sitting outside. | 2 users found this interesting.  
Superior Nebraska / Light shaking (MMI IV) / horizontal (sideways) swinging / 5-10 s : Felt like a shock wave going through the apartment complex I live on the top floor. | 4 users found this interesting.  
Lincoln Nebraska (152.2 km NE of epicenter) [Map] / Very weak shaking (MMI II) / very short : I was in my home and reading. And felt a shifting. And the dog freeked out. | 3 users found this interesting.  
Beatrice, Comté de Gage, Nebraska (123.7 km ENE of epicenter) [Map] / Very weak shaking (MMI II) : I was set down in front of pc. Felt the building wobble im on 3rd floor. | 3 users found this interesting.  
Webber kansas (10.7 km ESE of epicenter) [Map] / Very weak shaking (MMI II) : Light shaking of house when thunder strikes | 2 users found this interesting.  
Superior Nebraska (8.5 km NE of epicenter) [Map] / Very weak shaking (MMI II) / 2-5 s : Sounded like something was driving over the house | 2 users found this interesting.  
Mankato (22 km SSW of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 5-10 s : Sitting in chair. Vibrated my chair and made the plants and tv shake. | 2 users found this interesting.  
Superior, Nuckolls, Nebraska (6.8 km NE of epicenter) [Map] / Light shaking (MMI IV) / 2-5 s : Woke me from sleeping | 2 users found this interesting.  
Hardy ne (19.1 km E of epicenter) [Map] / Light shaking (MMI IV) / single lateral shake / 2-5 s : Wife and I were on opposite sides of the house and we both felt our home shake | 2 users found this interesting.  
Smith Center, Kansas / Light shaking (MMI IV) / rattling, vibrating / 5-10 s : Shaking of the house and then slight rumble feeling for a few seconds | 2 users found this interesting.  
Lebanon (48.1 km SW of epicenter) [Map] / Weak shaking (MMI III) / rattling, vibrating / 5-10 s : Couple bumps | One user found this interesting.  
Superior Nebraska (4.1 km NE of epicenter) [Map] / Weak shaking (MMI III) : Windows rattled and wall hangings movex | One user found this interesting.  
Lincoln , NE / Light shaking (MMI IV) / single vertical bump / 1-2 s : Felt a sudden jolt through house and watched item on nightstand continue to move slightly afterwards.  
Lincoln / Very weak shaking (MMI II) / 1-2 s : bed wiggle | One user found this interesting.  
Lebanon (48.1 km SW of epicenter) [Map] / Weak shaking (MMI III) / rattling, vibrating / 5-10 s : Couple bumps  
KCBF, Council Bluffs, IA 51503 (246.2 km NE of epicenter) [Map] / not felt
Lincoln, Lancaster, Nebraska (150.9 km NE of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 1-2 s
near Belleville, Republic, Kansas (27.9 km ESE of epicenter) [Map] / Very weak shaking (MMI II) / single lateral shake / 1-2 s
Burr Oak, KS / Very weak shaking (MMI II) / rattling, vibrating / 5-10 s : In the house at the time of the quake, heard low rumbling and windows rattled for about 6 seconds  
Blair, Nebraska / not felt
Lincoln Nebraska / Very weak shaking (MMI II) / single lateral shake / 1-2 s
Superior / Light shaking (MMI IV) / rattling, vibrating / 5-10 s
Superior nebraska / Very weak shaking (MMI II) / single lateral shake / 2-5 s
Superior NE (7.1 km ENE of epicenter) [Map] / Moderate shaking (MMI V) / rattling, vibrating / 15-20 s
Superior, Nebraska / Weak shaking (MMI III) / rattling, vibrating / 5-10 s
Lincoln, NE / Very weak shaking (MMI II) / rattling, vibrating / 5-10 s
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