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Minor mag. 3.6 earthquake - 6km NNW of Glenwood Springs, Colorado on Tuesday, 11 December 2018

Minor mag. 3.6 earthquake  - 6km NNW of Glenwood Springs, Colorado on Tuesday, 11 December 2018
Date & time: Tuesday, 11 December 2018 11:13 UTC
Local time at epicenter: 2018-12-11 04:13:07 -07:00
Magnitude: 3.6
Depth: 5.0 km
Epicenter latitude / longitude: 39.6031°N / 107.3526°W (United States)
Nearest volcano: Dotsero (28 km)
Primary data source: USGS
Estimated released energy: 1.6*10^10 J (4.4 MWh / 3.79 tons of TNT) [learn more]
If you felt this quake (or if you were near the epicenter), please share your experience with us and submit a short "I felt it" report.
You can use your GPS or device location as well to show where you were during the earthquake.
- thank you.

Data for same earthquake as reported from other agencies
TimeMag. / DepthLocationSource

"I felt it" reports:
Carbondale Ca / not felt: For days my cat slept in the sink That only means earthquake... she was right
78 Hideaway Lane No Name, CO 81601 (6.8 km SE from epicenter) [Map] / MMI V (Moderate shaking): I was asleep when I heard what sounded like a big boom and the noise buffeted the walls of the two bedroom house that I live in twice. It sounded like a loud crack.
Delta, co 81416 / MMI IV (Light shaking): Heard a loud rumble and felt the house shaking. I thought I was nuts but the dog sat up too. When I checked online, I saw the had been an earthquake in Glenwood, so we must have gotten some of that later one.
Glenwood springs (214.1 km SW from epicenter) [Map] / MMI IV (Light shaking): Awakened at 3:03 by windows rattling and movement and again At 4:08
Dotsero,CO / MMI IV (Light shaking)
Boulder / MMI II (Very weak shaking): I was sleeping, got awake, thought was dreaming
Carbondale / MMI IV (Light shaking)
81601 / MMI V (Moderate shaking): Our bed shook so hard we we both woke up and we are heavy sleepers. We felt it at 3:12 AM -fell asleep and was woke up again by it at 4:18 am- then after lying awake in bed trying to figure out what it was- another more slight but very noticeable shaking happened .
Glenwood springs / MMI IV (Light shaking): One large jolt shaking entire home
Denver / MMI II (Very weak shaking)
Glenwood Springs Colorado 81601 (11.2 km SSE from epicenter) [Map] / MMI IV (Light shaking): This one woke me and I felt shaking/jolting for a couple of seconds and heard the windows rattling. I’m on an upper floor. I had time to recognize it was an earthquake and wake my husband before it stopped but I didn’t have time to get out of bed. Afterward I thought maybe a large truck crashed into our house but there wasn’t anything outside. My children slept through it.
Glenwood Springs CO / MMI IV (Light shaking): Could feel it coming in a wave as if it was rolling across the house.


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