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Event status: unconfirmed [?]

Reported quake or seismic-like event: 6.2 mi north of Noblesville, Hamilton County, Indiana, USA, Friday, May 7, 2021 06:27 pm (Indianapolis time)

Reported quake or seismic-like event: 6.2 mi north of Noblesville, Hamilton County, Indiana, USA, Friday, May 7, 2021 06:27 pm (Indianapolis time) Reported quake or seismic-like event: 6.2 mi north of Noblesville, Hamilton County, Indiana, USA, Friday, May 7, 2021 06:27 pm (Indianapolis time)
7 May 22:36 UTC: First to report: VolcanoDiscovery after 9 minutes.

Earthquake details

Date & timeMay 7, 2021 22:27:12 UTC
Local time at epicenterFriday, May 7, 2021 06:27 pm (America/Indiana/Indianapolis GMT -4)
Statusunconfirmed
Magnitudeunknown (2.6?)
Depth10.0 km
Epicenter latitude / longitude40.1334°N / 85.987°W Hamilton, Indiana, United States
Antipode40.1334°S / 94.013°E
Shaking intensityVery weak shaking
Felt254 reports
Primary data sourceVolcanoDiscovery (User-reported shaking)
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Nearby places

Distance Place Max. shaking intensity(*) Region Country
2 km (2 mi)
WSW of epicenter
Cicero
(pop: 4,890)
II
Very weak
Hamilton, Indiana
10 km (6 mi)
S of epicenter
Noblesville
(pop: 59,100)
II
Very weak
Hamilton, Indiana
16 km (10 mi)
SW of epicenter
Westville
(pop: 36,700)
II
Very weak
Hamilton, Indiana
20 km (12 mi)
S of epicenter
Fishers
(pop: 76,800)
II
Very weak
Hamilton, Indiana
21 km (13 mi)
SSW of epicenter
Carmel
(pop: 88,700)
II
Very weak
Hamilton, Indiana
26 km (16 mi)
E of epicenter
Anderson
(pop: 55,300)
II
Very weak
Madison, Indiana
33 km (20 mi)
S of epicenter
Lawrence
(pop: 47,800)
I
Not felt
Marion, Indiana
41 km (26 mi)
NNW of epicenter
Kokomo
(pop: 58,000)
I
Not felt
Howard County, Indiana
43 km (27 mi)
SSW of epicenter
Indianapolis
(pop: 829,700)
I
Not felt
Marion, Indiana
780 km (485 mi)
E of epicenter
Washington
(pop: 601,700)
Not felt
Washington DC
Notes:
(*) Shaking intensity according to the Modified Mercalli Intensity Scale (MMI) and estimated using seismic models.

Compare Quake Data

Data for the same earthquake as reported by different agencies

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 Depth Time GMT Epicenter Agency
2.6 10 km (6.2 mi) (*) 2021-05-7 22:27:12 Near Indianapolis, Indiana, USA VolcanoDiscovery (User-reported shaking)
Notes:
(*) A depth given as 10 km often means that the the depth of the quake could not determined with sufficient accuracy.

Seismograms

Seismic station: Bloomington, IN (BLO/NM network) | Distance from quake: 116 km / 72 mi | Show on map | Station Info
Seismic station Bloomington, IN: 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. Bandpass filter applied: 0.5-10.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool
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User-reports for this quake (411)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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19.7 km S of epicenter [Map] / not felt : I heard what sounded like thunder. I checked the radar because rain had passed, I thought. No storm or lightning reported nearby. | 17 users found this interesting.  
Fishers, IN / not felt : Did not feel anything but heard what we thought was a long, rumbling thunder. The sky was bright at the time and no storms on the radar. | 11 users found this interesting.  
  • heard the big boom thought it was the guy behind us staring his bike but he was cutting the grass. but the tumble lasted a long time kind of weird.
  • Same here! We were very confused.
  • I heard the same thing around 630. Thought it was a long thunder sound since we just had the storm go thru. Sun was out so thought it was weird
Noblesville / Very weak shaking (MMI II) / very short : Very loud sound like Thunder, but sun was bright | 11 users found this interesting.  
Noblesville IN 46060 / not felt : Just heard a rumble and thought it was thunder. No noticeable shake. | 6 users found this interesting.  
265 N. 9th St, Noblesville, IN 46060 / Very weak shaking (MMI II) / 2-5 s : Yes heard it 6:30pm, it sounded like an explosion in the distance or like a sonic boom from a jet flying overhead at high altitude. | 4 users found this interesting.  
Carmel IN 46033 / not felt : Heard a loud noise...wasnt sure if thunder was near but sky was clear. | 4 users found this interesting.  
Noblesville, IN / not felt : Heard a loud boom around 6:30pm May 7, 2021. | 3 users found this interesting.  
Arcadia, IN 40630 / not felt : Very minor storm with huge lightning strike followed by the rumble of thunder. No quake whatsoever. | 3 users found this interesting.  
Noblesville, Hamilton, Indiana (9.3 km S of epicenter) [Map] / Weak shaking (MMI III) / rattling, vibrating / 2-5 s : Started with low rumble became more of a mechanical boom like an explosion or really loud thunder. Initially felt like a big truck passing but vibrations grew with the sound. I was on my phone with a friend 2 miles south of me and the sound st  
Noblesville, Hamilton, Indiana (9.3 km SSW of epicenter) [Map] / not felt : Around 6:30 PM ET we heard what sounded like very loud thunder. It  
Noblesville, Hamilton, Indiana (9.3 km S of epicenter) [Map] / Weak shaking (MMI III) / rattling, vibrating / 2-5 s : Started with low rumble became more of a mechanical boom like an explosion or really loud thunder. Initially felt like a big truck passing but vibrations grew with the sound. I was on my phone with a friend 2 miles south of me and the sound st  
McCordsville, Hancock, Indiana (28.2 km S of epicenter) [Map] / Very weak shaking (MMI II) : There was a faint unusual rumbling. I told my husband I think there was an earthquake or thunder or both.  
Quincy, Madison, Indiana (17.2 km NNE of epicenter) [Map] / not felt : I live in noblesville Indiana Around 7pm or so heard what I thought was thunder but the sun was shining and blue skies. It rattled the windows but that was all  
Noblesville, Hamilton, Indiana (18.2 km S of epicenter) [Map] / not felt : Didn’t feel anything, but heard a very loud thunderous noi  
LIBERTY TOWNSHIP, Ohio near Cincinnati (159.7 km ESE of epicenter) [Map] / Very weak shaking (MMI II) / single lateral shake / 1-2 s : I was sitting on the couch with my socked feet on the coffee table. I felt the table soft jolt on my feet. My wife was sitting on the couch with her feet on the floor and didn't feel it. It took a second for me to realize I felt something like | 2 users found this interesting.  
Noblesville (11.1 km SW of epicenter) [Map] / Very weak shaking (MMI II) / rattling, vibrating / 1-2 s : I thought it was thunder | 2 users found this interesting.  
Fishers (106th & Cumberland) (21.3 km S of epicenter) [Map] / not felt : I was pretty stoned and just thought I had some good edibles, didn’t hear or feel it | 2 users found this interesting.  
Noblesville Indiana / Weak shaking (MMI III) / rattling, vibrating : It was a very loud noise. I was looking outside at the time. I said that it is a very low plane. I thought maybe military practicing for Indy 500 It was a sound that lasted too long for thunder, sunny at time and didn't see a plane. | 2 users found this interesting.  
Fishers (19 km SSE of epicenter) [Map] / Weak shaking (MMI III) / rattling, vibrating / 5-10 s : Rumbling. Didn't know if a storm was coming in or osprey planes flying over again. | 2 users found this interesting.  
Carmel, IN (17.2 km SSW of epicenter) [Map] / Very weak shaking (MMI II) / rattling, vibrating / 15-20 s : 20-30 seconds of a low rumble shake | 2 users found this interesting.  
Cicero, Hamilton, Indiana (3.8 km W of epicenter) [Map] / Very weak shaking (MMI II) / rattling, vibrating / 2-5 s : Thought it was thunder and slight rattling. | One user found this interesting.  
Cicero, Hamilton, Indiana (7.3 km W of epicenter) [Map] / Very weak shaking (MMI II) : Thought it was thunder | One user found this interesting.  
Indianapolis, Indiana (Cumberland Indiana) 46229 I / Weak shaking (MMI III) / rattling, vibrating / 5-10 s : I thought it was thunder in the area | One user found this interesting.  
Noblesville, Indiana (9.3 km S of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 2-5 s : Started with a low rumbling and the house lightly shook like heavy traffic/big trucks coming down the busy road nearby then the rumbling and sensation grew in sound and vibrations peaking into what I thought was an explosion or loud thunder. I | One user found this interesting.  
Noblesville / Very weak shaking (MMI II) / vibration and rolling / 2-5 s : At first I thought it was thunder but th | One user found this interesting.  
Fishers 8012 turkle ct / Weak shaking (MMI III) / rattling, vibrating / 10-15 s : It seemed like a long thunder. It was a vibration | One user found this interesting.  
Fishers Indiana near HTC mall. / Very weak shaking (MMI II) / 2-5 s : The sound of Thunder made us stop and look out the window to a perfect blue sky. We just returned from Purdue University. My daughter's friend said, that felt like an earthquake. | One user found this interesting.  
Westfield IN / not felt : Didn't feel anything. But did hear what we thought was a loud clap of thunder but it was bright and sunny out. | One user found this interesting.  
Perkinsville, Indiana (10.7 km E of epicenter) [Map] / not felt : We heard a 3-7 second LOUD rumble, thought it was thunder. Was pulling wood from the back of the truck and began pulling faster thinking another bout of rain was coming. | One user found this interesting.  
Noblesville, Indiana / Very weak shaking (MMI II) / single vertical bump / 1-2 s : Loud boom. Thought a military plane was flying. Might have broken sound barrier. | One user found this interesting.  
Fishers, IN / not felt : Heard what sounded like thunder. The sound didn’t fade in and out like typical thunder. My dog howled around the same time and i heard several neighbor dogs barking. It was eerie. Could it have been the osprey that took off? | One user found this interesting.  
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