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Stewartville Women's Institute Tweedsmuir History Book Three searchable pdta Them’ News. SIMILFebu-yll 1994 B TOWN AND COUNTY Valley prime location for earthquake a, nun PLAT" Special to the N Area resides; have something {rightfully in common with Califom’ans. The Ottawa Valley wuld be hit by maior canth at any time, says I expert on the subject. Peter Basham. a seismologist withGeologic Stirveysot‘Cmadain Ottawa. and the Valley is sinned in Eastern Canada's most active earthquke region. That may come 5 a suprise to most people. but residents who 2: » 1rr1}.’tiri.:""' *: January ' ‘ 2000 -' livedinTemiswningin l935know well-built structures up to 100 ki< About 400 million years ago, years. all diout Irenm. lometrm away. when North America wm braking Since the Valley has been zoned That area was hit by a quake California's recent earthquake apan due to the shift ofthc Earth's as susceptible to earthquakes. area meastn'ing 62 on the Richter scale. measured 6.6. plates. it left faults tha run along building codes inclut‘k: regulations No one was killed but buildings “lhe low population rate helped the Ottawa and SL Iawreace rivers. that help prevent structural damage, were danged. in preventing any kahs in the Te- The pines which make up North should a lzge quake hit. The Ridtter scale measures the miscaming quake." Mr. Basham America are now being squeezed But there are also many older sizeofqudres. s admitted by the said. and could result in earthquakes buildings which don't meet regula- sizeofseismic wavesrecordedona 'Ihar tremor, a 1732 quake in closetothatfeltbyCaliftxnimslast tionsandnolaws existformandat- seisnograph. A three on the scale Montreal which measured six on month. cry retrofitting. would be felt it you were close to theRichter scale. and a 1944 Corn “(A) whole series of faults are But facilities such as Atomic demofdtequakezafive could wall quire rand 5.7, are all rep- shifu'ng now," Mr. Basham said. Energy of Canada Ltd. Research be bringing to poorly oomruced resenrative of the magnitude of “There could be a tremendous near Chalk River are very resistmt buildings close by; and six to seven quakes which could happen in the eanhquakc but we don’t know if it to seismic shaking. Mr. Basham onthescalecmmdamageto Minor earthquake rattles the Valley ' A 5.3 magnitude earthquake greeted Ottawa Valley res idents early New Year's Day. The quake. centred in the Temiscaming area on the ‘ Quebec-Ontario border nonh of Mattawa, was felt by some residents in the chfrew area. While a few people were awakened by the rattling caused by the Ill-second earthquake. most residents. even those \\ ho were awake, were not aware an earthquake had occurred until media reports. manr.Basharnsaid. wilan in five. IO, 20 or ltX) said. i Renfrcw ()l’l’ say they received no reports ot‘damage caused by the quake, even though it was the largest in the area since a 6.2 magnitude earthquake in 1935. Then: were also no reports of damage in other areas, front Ottawa to Tcmiscaming, affected by the quake. While Eastern Ontario isn’t known as an earthquake rune, the area oltcn experiences moderate seismic activi- ty. lloucver, most of the earthquakes are under 3.0 in magnitude and go by unnoticed. Earthquake experts predict the area will experience more serious earthquakes every 20-30 } cars. A earthquake tudc quake centred north of Ottawa in 1990. 10 has to be at least 60 magnitude before any damage is experienced, experts say lite last prominent shaker in the area was a 5,!) magni /é