Earthquake South of Grand Junction, Colorado - March 4, 2019

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Update 16:35 UTC:  Shaking map from the area. Max. expected shaking : light

Update 16:35 UTC:  Based on the present earthquake parameters (Magnitude, Depth, Population, etc) and our experience with earthquake damage impact, does not expect any serious damage from this earthquake

Most important Earthquake Data:

Magnitude : 4.49

Local Time (conversion only below land) : Unknown

GMT/UTC Time : 2019-03-04 17:22:52

Depth (Hypocenter) : 0.76 km

Depth and Magnitude updates in the list below.

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SRC Location UTC Date/time M D INFO
GEOFON Colorado Mar 04 17:22 4.8 10 MAP I Felt It INFO
  • Grand Jct - Woke my husband from a nap, dogs sat up, I felt also while sitting on the couch. 7-10 sec.
  • Grand Junction - 2 separate incidents, the first one light, the second about 3-5 minutes later which lasted about a minute. The second was the 10:22 quake, I texted my husband at 10:24. This woke me up (I’m ill in bed) and rattled the photos on my shelves. No damage that i’m aware of. Husband felt both as well, he is about 6 mi NW of me, on N. side of the Colorado River.
  • GRAND JUNCTION - maybe 5 to 7 seconds. cabinet doors and dishes rattling. Could just barely feel it.
  • Grand Junction - I was sitting in a chair and felt someone was shaking my chair for about 5 to 7 seconds
  • Grand Junction - Minor but obvious shaking - slight creaking of house - lasted about 3 seconds.
  • La Sal, Utah - Windows rattled and furniture shook. There was a boom sound.
  • Grand Junction - Felt like something in the shop downstairs was shaking the building. Didn't realize it was an earthquake till someone said there was one.
  • Grand Junction - Lasted for about a min, no damage. In my office on the 4th floor
  • Ft. Defiance, AZ - shaking felt on second story of our building
  • Grand Junction - Felt the 10:22 quake. Every decorative wall hanging shook and dishes rattled in kitchen cupboards. Shaking lasted approximately 30 seconds. No apparent damage, but my dogs went crazy!
  • Grand Junction - Noticed what felt like the house was shoved. Called my husband up from the basement asking what it was. he had not felt it downstairs.
  • Cortez, CO - Shook our house at 10:25 am for maybe 10-15 seconds. Scared the cats, nothing damaged, sort of rolling thru the house twice.
  • Grand Junction - Noticed that everything around me was shaking for about 10 seconds, like a high vibration.
  • Ridgway, CO - I heard a boom sound 2 or 3 seperate times this morning between 11am and 12 noon.
  • Hotchkiss, Co - Like a door slamming at one end of a house, a one second wave-like experience with no noise.
  • Grand Junction, CO - At about 10:15am the back wall of the house was being rattled and it sounded like the French doors on that wall were bowing shook hard. Then some of the inner walls must’ve vibrates because I could hear the rattling of an iron wall decor that was hanging. The dogs also began barking loudly and running around before I heard the shaking. All of it lasted about 20-30 seconds.
  • Cedaredge - At first thought it was deer jumping our fence. There were no deer front or back, sides of our home
  • Paonia, CO - We felt the house shake for a couple seconds, some hanging things were swaying and the house plants were quivering. Nothing was damaged.
  • Grand Junction, CO - Felt my couch shaking for a minute or two. Not strong but just enough to make me think I was going crazy!
  • Grand Junction, Colorado - I was on the 3rd floor of the Fidelity Mortgage building. Approx 10:23 A.M. the floor was going up and down slightly, not back & forth. I went through 2 of the larger ones in Southern California, Sylmar 2/9/1971 & Whittier 10/1/1987. This was the biggest one I have ever felt in Western Colorado in the 31 years of living here. I also heard that there was a 4.6 quake in Alberta, Canada this morning approx 4-1/2 hours earlier.
  • Billings - Very weak shaking
  • dove creek - 10 seconds week shaking. tv fell off stand.
  • USGS Dove Creek, Colorado Mar 04 17:22 4.5 0 MAP I Felt It INFO
  • Monticello, UT - About 10:25 AM. We heard a rushing sound about 80 decibels, and then felt 3 seconds of light shaking.
  • Grand junction CO - I was laying down and my whole house started to shake. Even my windows rattled a little. It only lasted about 15 seconds.
  • Norwood - Very weak shaking
  • Window Rock - Heard creaking, then felt our two story building vibrating. My monitor was swaying.
  • Grand Junction - Weak shaking
  • Clifton - Lasted 8 seconds or so. Dishes rattled a bit
  • Grand Junction - Moderate shaking
  • Montrose - Light shaking
  • Olathe - Very weak shaking
  • cedaredge co - Weak shaking
  • Gateway - I was sitting in a chair and we heard a sound (house squeaking) as my chair started shaking and noticeably shook for about 10-20 seconds.
  • Olathe, CO - Weak shaking
  • Cortez, Colorado - 5-6 seconds shaking, stovepipe rattled, felt vibration through furniture, observed houseplants shaking
  • Blanding - Blanding, Utah, the windows rattled and my recliner chair was pretty active for a few seconds, It got my attention real quick.
  • MOAB - Weak shaking lasted about 5 seconds at about 10:30 a.m. Didn't look at clock. No damage.
  • EMSC Colorado Mar 04 17:22 4.6 1 MAP

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    I felt the shaking *
    Country where you felt the earthquake *
    City/Village where you felt the earthquake *
    Street or suburb (area) where you felt the earthquake
    Latitude (area) where you felt the earthquake
    Longitude (area) where you felt the earthquake
    Shaking Strength *
    MMI II (Very weak shaking) ?
    People :
    Felt by persons at rest, on upper floors or favorably placed.
    MMI III (Weak shaking) ?
    People :
    Felt indoors; hanging objects may swing, vibration similar to passing of light trucks, duration may be estimated, may not be recognized as an earthquake.
    MMI IV (Light shaking) ?
    People :
    Generally noticed indoors but not outside. Light sleepers may be awakened. Vibration may be likened to the passing of heavy traffic, or to the jolt of a heavy object falling or striking the building.
    Fittings :
    Doors and windows rattle. Glassware and crockery rattle. Liquids in open vessels may be slightly disturbed. Standing motorcars may rock.
    Structures :
    Walls and frames of buildings, and partitions and suspended ceilings in commercial buildings, may be heard to creak.
    MMI V (Moderate shaking) ?
    People :
    Generally felt outside, and by almost everyone indoors. Most sleepers awakened. A few people alarmed.
    Fittings :
    Small unstable objects are displaced or upset. Some glassware and crockery may be broken. Hanging pictures knock against the wall. Open doors may swing. Cupboard doors secured by magnetic catches may open. Pendulum clocks stop, start, or change rate.
    Structures :
    Some large display windows cracked. A few earthenware toilet fixtures cracked.
    MMI VI (Strong shaking) ?
    People Felt by all. People and animals alarmed. Many run outside. Difficulty experienced in walking steadily.
    Fittings :
    Objects fall from shelves. Pictures fall from walls. Some furniture moved on smooth floors, some unsecured free-standing fireplaces moved. Glassware and crockery broken. Very unstable furniture overturned. Small church and school bells ring. Appliances move on bench or table tops. Filing cabinets or "easy glide" drawers may open (or shut).
    Structures :
    Slight damage to buildings with low standard. Some stucco or cement plaster falls. Large display windows broken. Damage to a few weak domestic chimneys, some may fall.
    Environment :
    Trees and bushes shake, or are heard to rustle. Loose material may be dislodged from sloping ground, e.g. existing slides, talus slopes, shingle slides.
    MMI VII (Very strong shaking) ?
    General alarm. Difficulty experienced in standing. Noticed by motorcar drivers who may stop.
    Fittings :
    Large bells ring. Furniture moves on smooth floors, may move on carpeted floors. Substantial damage to fragile contents of buildings.
    Structures :
    Unreinforced stone and brick walls cracked. Low standard buildings cracked with some minor masonry falls. A few instances of damage to buildings of ordinary workmanship. Unbraced parapets, unbraced brick gables, and architectural ornaments fall. Roofing tiles, especially ridge tiles may be dislodged. Many unreinforced domestic chimneys damaged, often falling from roof-line. Water tanks Type I burst. A few instances of damage to brick veneers and plaster or cement-based linings. Unrestrained water cylinders (hot-water cylinders) may move and leak. Some common windows cracked. Suspended ceilings damaged.
    Environment :
    Water made turbid by stirred up mud. Small slides such as falls of sand and gravel banks, and small rock-falls from steep slopes and cuttings. Instances of settlement of unconsolidated or wet, or weak soils. Some fine cracks appear in sloping ground. A few instances of liquefaction (i.e. small water and sand ejections).
    MMI VIII (Severe shaking) ?
    People Alarm may approach panic. Steering of motorcars greatly affected. Structures : Low standard buildings heavily damaged, some collapse. ordinary workmanship buildings damaged, some with partial collapse. Reinforced masonry or concrete buildings damaged in some cases. A few instances of damage to buildings and bridges designed and built to resist earthquakes. Monuments and pre-1976 elevated tanks and factory stacks twisted or brought down. Some pre-1965 infill masonry panels damaged. A few post-1980 brick veneers damaged. Decayed timber piles of houses damaged. Houses not secured to foundations may move. Most unreinforced domestic chimneys damaged, some below roof-line, many brought down. Environment : Cracks appear on steep slopes and in wet ground. Small to moderate slides in roadside cuttings and unsupported excavations. Small water and sand ejections and localized lateral spreading adjacent to streams, canals, lakes, etc.
    MMI IX (Violent shaking) ?
    Structures Many low standard buildings destroyed. Ordinary workmanship buildings heavily damaged, some collapse. Reinforced masonry or concrete buildings damaged, some with partial collapse. Buildings and bridges designed and built to resist earthquakes damaged in some cases, some with flexible frames seriously damaged. Damage or permanent distortion to some buildings and bridges, designed and built to normal use standards. Houses not secured to foundations shifted off. Brick veneers fall and expose frames. Environment : Cracking of ground conspicuous. Landsliding general on steep slopes. Liquefaction effects intensified and more widespread, with large lateral spreading and flow sliding adjacent to streams, canals, lakes, etc.
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