Moderate mag. 4.1 earthquake - 8.7 mi east of Springfield, Lane County, Oregon, USA, on Saturday, 4 July 2015 at 15:42 (GMT)
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Moderate magnitude 4.1 earthquake at 7 km depth
4 Jul 15:50 UTC: First to report: EMSC after 8 minutes.
Jul 4 16:10: Magnitude recalculated from 4.2 to 4.1.
Jul 4 16:10: Magnitude recalculated from 4.2 to 4.1.
Date & time: 4 Jul 2015 15:42:18 UTC
Magnitude: 4.1
Depth: 7.0 km
Epicenter latitude / longitude: 44.07°N / 122.85°W
(Lane County, Oregon, United States)Nearest volcano: Sand Mountain (81 km / 50 mi)
Nearby towns and cities:
14 km (9 mi) E of Springfield (pop: 60,900) --> See nearby quakes!
19 km (12 mi) E of Eugene (pop: 163,500) --> See nearby quakes!
22 km (14 mi) NE of Creswell (Lane County) (pop: 5,200) --> See nearby quakes!
52 km (32 mi) S of Lebanon (pop: 16,300) --> See nearby quakes!
64 km (40 mi) SSE of Corvallis (pop: 55,800) --> See nearby quakes!
66 km (41 mi) SSE of Albany (pop: 52,200) --> See nearby quakes!
98 km (61 mi) S of Salem (pop: 164,500) --> See nearby quakes!
98 km (61 mi) S of Salem (pop: 164,500) --> See nearby quakes!
162 km (101 mi) S of Portland (pop: 632,300) --> See nearby quakes!
175 km (109 mi) S of Vancouver (Washington) (pop: 172,900) --> See nearby quakes!
Primary data source: EMSC (European-Mediterranean Seismological Centre)
Estimated released energy: 8.9 x 1010 joules (24.8 megawatt hours, equivalent to 21.3 tons of TNT) More info
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.
| Magnitude | Depth | Location | Source |
| 4.1 | 7 km | OREGON | EMSC |
| 4.2 | 9.9 km | - 14km ENE of Springfield, Oregon | USGS |
(shakemap: USGS)
User reports for this quake (63)
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Eugene,OR Maxwell
Thurston, OR / Moderate shaking (MMI V) : Loud explosion sound and big jolt followed by shaking for about 10 seconds. Very unsettling and slightly traumatic knowing a 9.0 Cascadia event is possible.
. / Moderate shaking (MMI V)
81647 territorial hwy / Violent shaking (MMI IX) : Felt earthquake about 8:40 this a.m. in Lorane. Moderate shaking lasted several seconds. Got my attention. Dog tried to hide.
Eugene, Oregon (22.3 km W of epicenter) [Map] / Light shaking (MMI IV) : Sharp brief jolt and noise as an impact
1747 hilyard aly / Strong shaking (MMI VI)
1747 hilyard aly / Strong shaking (MMI VI)
1747 hilyard aly / Strong shaking (MMI VI)
Eugene / Light shaking (MMI IV) : Computer chair, bed and tall metal bookcase shook. No damage.
Eugene Oregon / Moderate shaking (MMI V) : Lasted about 10 seconds
John springfield at home felt like a hick up from / Weak shaking (MMI III) : Felt like a hick up from mother nature HAPPY 4th of July
West Springfield oregon / Moderate shaking (MMI V) : Loud grinding sound for 5-8 seconds. A few items fell over and/or off shelves
Springfield, Oregon / Moderate shaking (MMI V)
97477 / Weak shaking (MMI III) : a little scary I thought it was the dog and the cat
Springfield, OR / Moderate shaking (MMI V) : A short strong burst followed by a few moderate rumbles. Lasted about 5-10 seconds. One book fell off a bookcase and the dog was very alarmed. No apparent structural damage.
Springfield / Violent shaking (MMI IX) : Just getting dressed on 2nd floor of house. Roof and floor shook for a few brief seconds, thought tree had fallen on the house at first.
Santa Clara / Light shaking (MMI IV) : Bed shaking, doors shaking, wind chimes hitting windows, woke out of sleep, immediately knew it was an earthquake.
Springfield / Moderate shaking (MMI V) : Woke up from a dead sleep, sons crib was rattling against the wall, and our bedroom door was shaking like someone was on the other side shaking the doorknob. Pictures crooked on the walls
Springfield / Moderate shaking (MMI V) : Woke up from a dead sleep, sons crib was rattling against the wall, and our bedroom door was shaking like someone was on the other side shaking the doorknob. Pictures crooked on the walls
Springfield, OR / Moderate shaking (MMI V) : I was woke up from the shaking and things on my dresser we rattling.
Springfield (13.5 km W of epicenter) [Map] / Moderate shaking (MMI V) : I was on the second story and the whole floor shook including dresser drawers and the whole rest of the house sounded like something crashed but nothing appears to have broken
Springfield (12.2 km W of epicenter) [Map] / Moderate shaking (MMI V) : inside on couch felt shaking, cat ran, it woke husband. probably felt stronger than was. asked CA neighbors to verify was earthquake LOL
Junction city ,or. / Moderate shaking (MMI V)
Eugene / Moderate shaking (MMI V)
Eugene, OR (18.8 km W of epicenter) [Map] / Light shaking (MMI IV) : Felt like the furnace fell through the roof. Felt like house sunk and then settled. Decorations wobbled but did not fall. I was awake, my child was awoken, husband stayed asleep. Dog next door barked.
Springfield / Severe shaking (MMI VIII)
Eugene Oregon / Very strong shaking (MMI VII) : Was taking a shower in second story building. Felt like the tub was collapsing but stopped after seconds. Scared my cats.
Springfield, OR (15.3 km W of epicenter) [Map] / Light shaking (MMI IV) : Was woken up to light shaking. Objects on my desk bumped together and moved around.
Eugene (United States, 20 km W of epicenter) : Rumbling like a large truck passing by, slight swaying of free-standing shelving. Maybe 3 seconds. Felt in West Central Eugene, Oregon. (reported through EMSC)
Eugene (United States, 19 km W of epicenter) : felt like I was on a boat in the water; almost a "sea-sick" like feeling (reported through EMSC)
Eugene (United States, 19 km W of epicenter) : Walls and doors shook. (reported through EMSC)
Eugene (United States, 19 km W of epicenter) : We will rebuild (reported through EMSC)
Eugene (United States, 19 km W of epicenter) : Shook and rolled the house fairly well for several seconds! (reported through EMSC)
Eugene (United States, 19 km W of epicenter) : Not strong enough to knock anything over, but rattled all the windows and shook the floor. (reported through EMSC)
Springfield (United States, 14 km W of epicenter) : I am a CERT TTT Trainer and the District Lead CERT for the City of Springfield, OR. This was my first experience. My house was secured & prepared for an earthquake (also ROVER trained in 2014). (reported through EMSC)
Eugene (United States, 19 km W of epicenter) : Seemed long (reported through EMSC)
Eugene (United States, 25 km W of epicenter) : similar to a jolt on walls from a sonic boom. quick jolt with 2 slight jerks all in 3 seconds or less. nortwest Eugene Oregon. (reported through EMSC)
Cottage Grove (United States, 35 km SW of epicenter) : Neighbors did not notice but I was in basement and felt & herd about three seconds big bump then light rattleing of dishes. (reported through EMSC)
Eugene (United States, 24 km W of epicenter) : Strong jolt. Like a truck hit the house (reported through EMSC)
Eugene (United States, 19 km W of epicenter) : I was sitting on a bed with two dogs. The bed seemed to move about six inches and back in the north/south motion from my location. (reported through EMSC)
Springfield (United States, 14 km W of epicenter) : Since this is new to me, I was very shook up and was just up and walking in my house like what do I do now, bathtub? Door frame? Check on neighbors? I was frazzled and thought what if I feel aftershocks?! (reported through EMSC)
Springfield (United States, 14 km W of epicenter) : It woke me from a sound sleep. The bed was shaking back and forth pretty hard. Painting behind me was rattling loud. Lasted at least 10 seconds. We have a crack in our chimney (1950 house). And a boat on blocks outside fell off them. (reported through EMSC)
Eugene (United States, 23 km W of epicenter) : It surprised me. I was waiting for my friend so we could go for a walk, and at first I thought that someone was moving around the furniture upstairs, but realized it was an earthquake. I have been through this before but was worried it was a precursor to a bigger one. (reported through EMSC)
Eugene (United States, 19 km W of epicenter) : Vibrated the entire house, our cats and dog really responded. (reported through EMSC)
Eugene (United States, 19 km W of epicenter) : I was in bed and it shook (reported through EMSC)
Eugene (United States, 19 km W of epicenter) : It woke me up and felt like something had hit the house. No damage detected from it though. (reported through EMSC)
Springfield (United States, 14 km W of epicenter) : heard noises similar to the earth quake (someone running into the side of the house) starting 48 hours prior
the night before heard it multiple times (reported through EMSC)
Creswell (United States, 22 km SW of epicenter) : Seemed to rattle at first, then changed to a back and forth side to side movement. Felt almost like moving in a pattern. (reported through EMSC)
Eugene (United States, 19 km W of epicenter) : Sitting here and it felt like i just got into a big diesel truck that just started up. lasted a few seconds or more. scared the kids. (reported through EMSC)
Eugene (United States, 19 km W of epicenter) : Was asleep, heard and felt four rumbles. Sounded like a huge truck was rumbling by, got up and ran down the hallway and lost my footing. and that was all. wondered if it was an earthquake. (reported through EMSC)
Eugene (United States, 19 km W of epicenter) : Grew up in Southern California and moved to Eugene two years ago. This was mostly surprising to me, but I've ridden many of these out. I would call it light to moderate. Mostly surprising to have it happen in Eugene. (reported through EMSC)
Eugene (United States, 19 km W of epicenter) : It was a single jolt, but unmistakeable s an earthquake. I felt a little frightened only because I was concerned that it might be a precursor to a larger quake. (reported through EMSC)
Eugene (United States, 19 km W of epicenter) : We felt the couch sway as the house rocked and creaked. It felt like someone ran across the roof of the house. Our bookshelves creaked as if they were going to be moved. (reported through EMSC)
Eugene (United States, 17 km W of epicenter) : Rattled windows scared the chickens (reported through EMSC)
Springfield (United States, 14 km W of epicenter) : just 3 small cracks in our foundation for damage. House is VERY old (125 years) (reported through EMSC)
Springfield (United States, 11 km NW of epicenter) : Marcola Oregon. Shook the entire house. 2-3seconds (reported through EMSC)
Harrisburg (United States, 34 km NW of epicenter) : We were standing in the kitchen and I felt a weird sensation and my dish collection rattled. I've never felt an earthquake before and at first I thought it was just a extremely strong windstorm but knew that couldn't shake my dishes. My daughter was asleep upstairs and she said it shook her bed and woke her up. I've lived in Oregon my entire life and don't recall ever feeling an earthquake before. (reported through EMSC)
Eugene (United States, 19 km W of epicenter) : Husband walking dog did not notice quake. Very short, shook walls of house. (reported through EMSC)
Eugene (United States, 19 km W of epicenter) : Our dogs noticed before we did--started barking right before we felt it. It was strong but very short. (reported through EMSC)
Eugene (United States, 19 km W of epicenter) : It was short, but it made everything shake and creek creak loudly! It startled me more than anything. (reported through EMSC)
Eugene (United States, 19 km W of epicenter) : I am from Southern California this is the first quick I have felt in Eugene Oregon it kind of shook me up because I'm not used to having them in this state (reported through EMSC)
Eugene (United States, 19 km W of epicenter) : I thought a simi truck had hit the side of the arpartment building. Or some peice of heavey equipment was outside my window ratching down its support legs. (reported through EMSC)
Springfield (United States, 14 km W of epicenter) : Nothing fell over. It felt like something ran into our house (reported through EMSC)
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