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Earthquakes of the Western Quebec Seismic Zone of magnitude 4 and larger, 1980-2000


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Date       Time(UT) Lat   Long   Depth   Magnitude Region and Comments
yyyy-mm-dd hh:mm:ss (N)   (W)   (g=held) ()=no of stn's     
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1982/08/13 01:06:41 46.67N  78.53W 18.0g 4.3MN(16) MAG(GS) 3.7 MB(2 OBS.) EAST
                                                   OF TEMISCAMING,QUEBEC. FELT
                                                   MAXIMUM INTENSITY (IV). FELT
                                                   SOUTHWARD TO 150 KM, BUT
                                                   NORTHWARD ONLY TO 100 KM.
                                                   QUESTIONNAIRES SENT TO
                                                   POSTMASTERS AND SOME CLERGY.
                                                   UNSURVEYED AREA BETWEEN
                                                   EPICENTER AND 76 W IS
                                                   SPARSELY POPULATED. LITTLE
                                                   SAMPLING DONE EAST OF 76 W.
                                                   SEE FIGURE 15. 120 KM NW
                                                   FROM CHALK RIVER, ONT.
1983/10/11 04:10:55 45.20N  75.75W 14.0g 4.1MN(45) MAG(NEIS) 4.2 MB(2 OBS)
                                                   MAG(WES) 4.5 MC, (LDGO) 4.0
                                                   MC FELT AND HEARD STRONGLY
                                                   IN OTTAWA, RICHMOND,MANOTICK
                                                   AREA. MAXIMUM INTENSITY
                                                   (IV). FELT IN EASTERN
                                                   ONTARIO AND WESTERN QUEBEC.
                                                   SEE FIGURE 10 AFTERSHOCK
                                                   FIELD SURVEY FROM 11 TO 17
                                                   OCTOBER. TWO AFTERSHOCK
                                                   DETECTED AND LOCATED. 20 KM
                                                   S FROM OTTAWA, ONT.
1989/11/16 09:24:51 46.58N  76.60W 18.0g 4.0MN( 6) WESTERN QUEBEC 50 KM NW OF
                                                   MANIWAKI FELT MILDLY AT
                                                   MANIWAKI, QUE. A FEW REPORTS
                                                   FROM PEMBROKE AND OTTAWA,
                                                   ONT.
1990/10/19 07:01:57 46.47N  75.59W 13.1  5.0MN( 8) 10 KM SW OF MONT-LAURIER,
                                                   QUE. MONT-LAURIER REGION,
                                                   QUE. APPROX. 15 KM SOUTH OF
                                                   MONT-LAURIER FELT OVER A
                                                   WIDESPREAD AREA FROM TORONTO
                                                   TO QUEBEC CITY, AND NORTHERN
                                                   NEW YORK STATE. TWO BANDS OF
                                                   MAXIMUM INTENSITY MM (V) ONE
                                                   THAT INCLUDES THE EPICENTRE
                                                   AND ANOTHER ONE ALONG THE
                                                   ST. LAWRENCE VALLEY DAMAGE
                                                   WERE CAUSED IN MONT-LAURIER
                                                   (BROKEN WATER PIPES)
1990/11/15 13:47:16 47.16N  76.11W 18.0g 4.1MN(16) 82 KM NW OF MONT-LAURIER,
                                                   QUE. LA VERENDRYE FAUNA
                                                   RESERVE, QUE. 90 KM N OF
                                                   MANIWAKI 200 KM N OF OTTAWA
                                                   FELT AT LE DOMAINE (HIGHWAY
                                                   RESTAURANT) 20 KM EAST OF
                                                   THE EPICENTRE FELT LIKE THE
                                                   FURNACE WOULD EXPLODE ALSO
                                                   FELT AT THE ENTRANCE OF THE
                                                   RESERVE 35 KM SOUTH OF THE
                                                   EPICENTRE REPORTED MILDLY
                                                   FELT IN GRAND-REMOUS
                                                   AFTERSHOCK AT 13:53: MAG.
                                                   2.8
1991/06/16 16:46:53 47.04N  76.77W 18.0g 4.2MN(17) 17 KM W OF LE DOMAINE, QUE.
                                                   LA VERENDRYE FAUNA RESERVE
                                                   WESTERN QUEBEC FELT (IV) AT
                                                   LE DOMAINE PEOPLE REPORTED
                                                   THAT DISHES SHOOK AND A
                                                   SHARP NOISE WAS HEARD
1992/11/17 03:58:01 45.77N  74.93W 16.0g 4.4MN(27) MAG 4.0 MB (NEIC) 2 OBS 26
                                                   KM NW OF HAWKESBURY, ONT.
                                                   WIDELY FELT IN IN THE
                                                   LAURENTIANS, OTTAWA-HULL,
                                                   NORTH OF MONTREAL, AND
                                                   PEMBROKE IN THE U.S. IN
                                                   VERMONT AND NEW YORK STATE.
                                                   FELT (IV) AT OGDENSBURG AND
                                                   WADDINGTON. FELT (III) AT
                                                   FORT COVINGTON. ALSO FELT IN
                                                   THE PLATTSBURGH AREA, N.Y.
                                                   THREE SMALL AFTERSHOCKS OF
                                                   LESS THAN MAGNITUDE 2.5 WERE
                                                   RECORDED IN THE FOLLOWING 3
                                                   HOURS.
1993/11/16 09:31:44 45.19N  73.46W 15.1  4.3MN(29) NAPIERVILLE, SOUTHERN QUEBEC
                                                   REGION. FELT MOST STRONGLY
                                                   AT NAPIERVILLE. MANY PEOPLE
                                                   HEARD A LOUD BOOM. FELT IN
                                                   THE MONTREAL REGION. FELT BY
                                                   A FEW PEOPLE IN THE OTTAWA
                                                   REGION. FELT IN NORTHERN NEW
                                                   YORK AND NORTHERN VERMONT.
                                                   NO DAMAGE REPORTED. FOLLOWED
                                                   BY THREE AFTERSHOCKS.
                                                   (09:33, 09:40, 10:00 UT)
1993/12/25 16:44:22 46.49N  75.62W 18.0g 4.1MN(12) 9 KM SW OF MONT-LAURIER,
                                                   QUE. WESTERN QUEBEC REGION.
                                                   FELT STRONGLY AT
                                                   MONT-LAURIER. FELT AT
                                                   MANIWAKI. OBJECTS FELL FROM
                                                   TABLES. SNOW FELL OFF OF
                                                   ROOFS. PEOPLE HEARD A
                                                   RUMBLING NOISE.
1996/03/14 10:42:26 45.92N  74.40W 18.0g 4.4MN(43) FELT; WESTERN QUEBEC SEISMIC
                                                   ZONE. 17 KM SW FROM
                                                   STE-AGATHE-DES-MONTS, QUE.
                                                   WIDELY FELT; IN THE
                                                   LAURENTIANS, AND IN THE
                                                   MONTREAL, OTTAWA REGIONS.
                                                   ALSO REPORTED FELT IN THE
                                                   QUEBEC CITY, SHERBROOKE, ST.
                                                   MAURICE RIVER AND CHARLEVOIX
                                                   REGIONS. ALSO REPORTED FELT
                                                   IN NORTHERN N.Y. STATE.
                                                   LARGEST SINCE NOV. 16, 1993
                                                   (MAG. 4.3) NEAR NAPIERVILLE.
1997/05/24 18:52:09 45.91N  74.24W 18.0g 4.2MN(15) WESTERN QUEBEC SEISMIC ZONE.
                                                   FELT. 17 KM S FROM
                                                   STE-AGATHE-DES-MONTS, QUE.
                                                   FELT IN THE REGION FROM
                                                   OTTAWA TO MONTREAL. LOCATES
                                                   CLOSE TO THE M4.4 EVENT OF
                                                   MARCH 14, 1996.
1998/04/18 16:22:52 45.58N  74.97W 18.0g 4.1MN(25) EASTERN ONTARIO. 27 KM W
                                                   FROM HAWKESBURY, ONT.
                                                   WESTERN QUEBEC SEISMIC ZONE.
                                                   FELT IN HAWKSBURY, CLARENCE
                                                   CREEK, ALEXANDRIA, ROCKLAND
                                                   AND ORLEANS, ONTARIO, AND
                                                   BUCKINGHAM AND MASSON,
                                                   QUEBEC.
1998/07/30 08:57:21 46.19N  74.80W 10.0g 4.4MN(13) NEAR MONT TREMBLANT, QUE.
                                                   FELT 37 KM W FROM
                                                   STE-AGATHE-DES-MONTS, QUE.
                                                   FELT. FELT IN OTTAWA,
                                                   MONTREAL, CARDINAL,
                                                   CORNWALL, MASSON,
                                                   BUCKINGHAM, ST.-CALIXTE,
                                                   ST.-ADOLPHE-D'HOWARD.
                                                   AFTERSHOCKS ON 98/07/30 AT
                                                   09:14 (1.0MN), 09:25
                                                   (1.7MN), 10:29 (2.5MN), AND
                                                   21:37 (1.9MN), ON 98/07/31
                                                   AT 03:49 (-0.3ML), ON
                                                   98/08/02 AT 01:16 (-1.1 ML),
                                                   AND ON 98/08/03 AT 14:21
                                                   (1.7MN).
1999/10/31 20:14:10 45.86N  74.30W 18.0g 4.2MN( 8) FELT, 22 KM N FROM LACHUTE,
                                                   QUE. WESTERN QUEBEC SEISMIC
                                                   ZONE. FELT IN STE-AGATHE,
                                                   HAWKESBURY, GATINEAU,
                                                   VAUDREUIL-DORION, ROCKLAND,
                                                   PREVOST, ST.-EUSTACHE,
                                                   SAINT-JEROME, NOTRE-DAME DE
                                                   LOURDES, RAWDON,
                                                   ST.-HIPPOLYTE, AUTEUIL,
                                                   LAVAL, MONTREAL, CRABTREE,
                                                   QUEBEC,
                                                   ST.-SAUVEUR-DES-MONTS,
                                                   SAINTE ADELE,
                                                   STE.-MARGUERIET,
                                                   STE-ANNE-DES-LACS, VILLE
                                                   EMARD, ORMSTOWN, OTTAWA, AND
                                                   AUTEUIL, LAVAL.
2000/01/01 11:22:58 46.84N  78.93W 12.0g 5.2MN(31) TEMISCAMINGUE REGION, QUE.
                                                   FELT. SOME REPORTS OF MINOR
                                                   DAMAGE IN THE EPICENTRAL
                                                   REGION. 70 KM NE FROM NORTH
                                                   BAY, ONT. FELT IN
                                                   TEMISCAMING, NORTH BAY AND
                                                   AS FAR AS TORONTO
2000/08/06 08:52:24 46.19N  74.97W 18.0g 4.2MN(15) 55 KM SE FROM MONT-LAURIER,
                                                   QUE. FELT. LAC-NOMININGUE,
                                                   QUE. WESTERN QUEBEC SEISMIC
                                                   ZONE. FELT IN BOWMAN,
                                                   OTTAWA, CUMBERLAND, RUSSELL,
                                                   STE.-AGATHE-DES-MONT,
                                                   VAL-DES-BOIS, BOUCHETTE,
                                                   MANIWAKI.