1*** HYPOELLIPSE - VAX VERSION A8 JUN 1984 *** RUN ON 12 18 97 at 16:17:05 Possible mine bump 0 LIST OF STATIONS AVAILABLE FOR THESE SOLUTIONS. NON INDEXED STATION LIST. CODE = 1 SET UP FOR EVENTS STARTING ON 0 0 NAME LATITUDE LONGITUDE ELEV P THICKNESS P P PDY1 SDY1 PDY2 SDY2 PDY3 SDY3 PDY4 SDY4 PDY5 SDY5 CALR XMGC FMWT FMGC WT POL * CONTINUATION RECORD * THK 1 2 MOD DLY SYS PS STAWT TLDLY YRMODY HRMN WMV 37N 6.51 80W 58.23 1157 1 0.000.00 1 1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 1 0.00 0.00 1.0 1.00 1010 0 * 1.0 0.00 999999 9999 ELN 37N 13.70 80W 45.10 634 1 0.000.00 1 1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 1 0.00 0.00 1.0 1.00 1010 0 * 1.0 0.00 999999 9999 BLA 37N 12.68 80W 25.21 634 1 0.000.00 1 1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 1 0.00 0.00 1.0 1.00 1010 0 * 1.0 0.00 999999 9999 SLTN 36N 26.59 82W 7.23 1280 1 0.000.00 1 1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 1 0.00 0.00 1.0 1.00 1010 0 * 1.0 0.00 999999 9999 CRTN 36N 11.99 83W 50.44 488 1 0.000.00 1 1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 1 0.00 0.00 1.0 1.00 1010 0 * 1.0 0.00 999999 9999 ANTN 36N 10.30 85W 13.88 612 1 0.000.00 1 1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 1 0.00 0.00 1.0 1.00 1010 0 * 1.0 0.00 999999 9999 Possible mine bump TEST VARIABLES DESCRIPTION STANDARD RESET TO 1 1.7800 1.7000****RATIO OF P-WAVE VELOCITY TO S-WAVE VELOCITY. 2 5.0000 0.0000****LT 0 NO ELEV COR/EQ 0 USE 1ST VEL/GT 0 USE THIS. 3 0.0000 0.0000****TRIAL LATITUDE IN DEGREES. 4 0.0000 0.0000****TRIAL LONGITUDE IN DEGREES. 5 5.0000 5.0000****TRIAL DEPTH IN KILOMETERS. 6 -10.0000 -10.0000****SPHERE RAD FOR AUX RMS VALUES. IF NEG CONT ITERATION AT MOST NEG POINT. 7 10.0000 -3.0000****MINIMUM NUMBER OF FIRST MOTIONS REQUIRED TO PLOT 8 1000.0000 1000.0000****CALL VELAZM AND EXIT IF SMALLEST EPI DIST GT THIS 9 360.0000 360.0000****CALL VELAZM IF GAP GREATER THAN THIS. 10 50.0000 1.0000****BEGIN DISTANCE WEIGHTING ON THIS ITERATION. 11 50.0000 50.0000****XNEAR = GREATEST DISTANCE WITH WEIGHT OF 1.0 12 100.0000 400.0000****XFAR = LEAST DISTNACE WITH WEIGHT OF 0.0 13 50.0000 50.0000****BEGIN AZIMUTHAL WEIGHTING ON THIS ITERATION. 14 50.0000 4.0000****BEGIN WEIGHTING OUT LARGE RESIDUALS ON THIS ITER 15 10.0000 2.0000****GIVE ZERO WEIGHT TO RESIDUALS GT THIS. 16 50.0000 50.0000****BEGIN BOXCAR WEIGHTING ON THIS ITERATION. 17 2.0000 2.0000****GIVE ZERO WEIGHT TO RESIDUALS GT THIS*STAND. DEV 18 50.0000 50.0000****BEGIN JEFFREYS WEIGHTING ON THIS ITERATION. 19 0.0500 0.0500****USE JEFFREYS WEIGHTING ONLY IF RMS GT THIS. 20 0.0500 0.0500****MU OF JEFFREYS WEIGHTING FUNCTION. 21 9.0000 9.0000 MAXIMUM NUMBER OF ITERATIONS. 22 35.0000 35.0000 LIMIT CHANGE IN FOCAL DEPTH TO THIS AMOUNT (KM). 23 0.5000 0.5000 IF DELZ WOULD MAKE Z NEG, SET DELZ = -THIS*Z (KM) 24 35.0000 35.0000 LIMIT CHANGE IN EPICENTER TO THIS. (KM) 25 40.0000 40.0000 FIX DEPTH IF EPICENTRAL CHANGE GT THIS. (KM) 26 0.0025 0.0025 STOP ITERATING IF SQUARE OF ADJUSTMENT LT THIS. 27 0.0000 0.0000 ACCELERATE SOLUTION IF THIS = 1.0 28 400.0000 400.0000 TO FIX EPI. ON PLANE, SET .EQ. PLUNGE AZIMUTH.IF NEG. CONTINUE AS FREE SOL. 29 0.3000 0.3000 SET STD ERR OF RES=+THIS IF DEGREES OF FREEDOM = 0 OR = -THIS IF THIS LT 0. 30 0.0000 0.0000 DIP OF PLUNGE VECTOR FOR EPI. FIXED ON PLANE. 31 -1.1500 -3.4500****DURATION MAGNITUDE C1, CONSTANT 32 2.0000 2.8500****DURATION MAGNITUDE C2, *LOG((F - P)*FMGC) 33 0.0035 0.0000****DURATION MAGNITUDE C3, *DELTA 34 0.0000 0.0000 IF RMS LT THIS, USE THIS IN JEF OR BOX WEIGHTING 35 0.0000 0.0000 NO OF STA REQ IN EACH QUAD. IF LT 5 GROUP ALL. 36 2.0000 1.0000****ASSIGNED WEIGHTS RAISED TO THIS POWER. 37 3.0000 3.0000 IF TERMINATION OCCURS BEFORE THIS ITERATION, SET ITERATION NUMBER TO THIS AND CONTINUE. 38 0.0000 0.0000****IF THIS = 1, RUN ALL WITH AND THEN WITHOUT S/ =2,RUN WITH S/ =3, RUN WITHOUT S/ NEG, USE S TO FIX ORIGIN. 39 1.0000 0.7500****MULTIPLY THE S AND S-P WEIGHTS BY THIS FACTOR. 40 0.0070 0.0000****DURATION MAGNITUDE C4, *DEPTH 41 0.0000 0.0000 IF THIS = 1, PRINT OPT. .GE. 1, & SUMMARY OPT. = + OR -1, THEN WRITE SUM. RECORD EACH ITTERATION. 42 0.0000 0.0000 IF GT 0 AVE MAG FROM CLOSEST N STATIONS WITH MAG REPORTED. IF EQ 0 ALL MAGS USED. 43 0.0000 0.0000 DURATION MAGNITUDE C5, *(LOG((F - P)*FMGC)**2) 44 0.0000 0.0000 IF EQ 1, RERUN EVENT WITH ONLY CRITICAL STATIONS. 45 0.1379 0.1379 X SCALE FACTOR FOR FOCAL MECHANISM PLOT 46 0.0000 0.0000 XFAR SET .GE. DIST OF TEST(46)TH STATION + 10. 1PRINTER OPTION 1 SUMMARY OPTION 0 MAGNITUDE OPTION 1 QUALITY OPTION 2 F. S., NO PG EJT -1 FINAL SOLUTION 0 NO SUM RECORDS 0 USE XMAG 0 NO SUMMARY 0 ONE LINE PER ITER 1 SUMMARY RECORDS 1 USE FMAG 1 A 1 STA RES EACH ITER 2 SUM + INPUT RECS 2 USE (XMAG+FMAG)/2 2 A + B 2 REGRES EACH ITER 3 'CORRECTED' INPUT 5 PREFER FMAG /XMAG 3 A,B + C 3 A,B,C + D 4 POSITIVE/ERROR ELLIPSE IF NEG USE FMS NOT FMP POSITIVE/Q FROM STD ERRORS NEGATIVE/NO ER ELLIPSE NEGATIVE/Q FROM SOL+STA CRUSTAL MODEL 1 LAYER VELOCITY DEPTH THICKNESS VPVS KM/SEC KM KM 1 5.630 0.000 5.700 1.640 2 6.050 5.700 9.000 1.720 3 6.530 14.700 36.000 1.700 4 8.180 50.700 1000.000 1.710 THE NEXT MODEL IS FOR S ONLY: CRUSTAL MODEL 2 LAYER VELOCITY DEPTH THICKNESS VPVS KM/SEC KM KM 5 3.433 0.000 5.700 0.000 6 3.517 5.700 9.000 0.000 7 3.841 14.700 36.000 0.000 8 4.784 50.700 1000.000 0.000 ------------END--------------------------------------------------------------------------------------- 1 ------------BEGIN-------------------------------------------------------------------------------------- 97/12/17 1/ 0 Possible mine bump 97/12/17 1/ 0 (--------ADJUSTMENTS IN PRINCIPAL DIRECTIONS--------)( ADJUSTMENTS )(ADJST. TAKEN) I LAT LONG DEPTH RMS NO PRMS DAMP -AZ/DP--STEP---SE =AZ/DP==STEP===SE -AZ/DP--STEP---SE DLAT DLON DZ DLAT DLON DZ 1 26.6 7.2 10.0*11.93 12 8.02 .10E-02 261/ 0 31.62 37.0 336/ 0 330.7 99.0 0/90 .0000 99.0 288. 165. .000 32.0 18.3 0.0 2 43.9 19.5 10.0* 9.53 12 3.00 .10E-02 261/ 0 33.97 13.5 332/ 0 73.06 21.2 0/90 .0000 99.0 48.3 64.5 .000 24.1 32.3 0.0 3 56.9 41.3 10.0* 5.68 12 2.42 .10E-02 261/ 0 24.30 10.3 343/ 0 40.22 21.4 0/90 .0000 99.0 31.4 34.9 .000 31.4 34.9 0.0 4 13.9 4.9 10.0 1.37 7 .146 .10E-02 81/ 4 9.012 1.49 161/ 4 -18.4 5.23 296/85 -9.39 14.3 -21. 1.84 -8.8-20.7 1.8 -8.8 5 2.7 6.1 1.2 0.47 9 .361 .10E-02 81/ 4 1.112 2.33 339/17 -1.59 8.26 173/73 -15.6 21.2 2.79 1.09 -15. 2.8 1.1 -0.6 5 4.2 6.8 0.6 0.48 9 .000 .10E-01 81/ 4 339/17 173/73 -2.8 -1.1 0.6 6 2.7 6.1 1.2* 0.47 9 .443 .10E-01 261/ 0 1.099 2.86 340/ 0 -.920 10.5 0/90 .0000 99.0 -1.2 .717 .000 -1.2 0.7 0.0 7 2.0 6.6 1.2 0.44 9 .363 .10E-01 81/ 4 .0003 2.33 339/17 -.730 8.28 172/73 -15.3 20.9 3.88 .366 -15. 3.9 0.4 -0.6 6 4.1 6.8 0.6 0.48 9 .000 .10E+00 81/ 4 339/17 172/73 -3.9 -0.4 0.6 7 2.0 6.6 1.2* 0.44 9 .441 .10E+00 261/ 0 -.012 2.77 340/ 0 .0014 8.01 0/90 .0000 12.4 .006 -.01 .000 0.0 0.0 0.0 7 2.0 6.6 1.2* 0.44 9 .359 .10E-02 81/ 4 .0002 2.31 339/17 -.735 8.22 172/73 -16.0 21.1 4.07 .391 -15. 0.0 0.0 0.0 HORIZONTAL & VERTICAL SINGLE VARIABLE (1DOF) 68% CHI SQUARE CONFIDENCE INTERVALS SE = 1.38 SE = 5.36 SE = 10.87 QUALITY = D AZ = 254. AZ = 344. CHI SQUARE 68% (2DOF) ELLIPSE SEMIAXES = 2.10 KM AND 8.20 KM SE OF ORIG = 1.23 TOTAL NUMBER OF ITERATIONS = 7 DMAX = 400.00 SEQUENCE NUMBER = S AND P ARE NOT BOTH USED AT CLOSEST STATION DATE ORIGIN LAT LONG DEPTH MAG NO D1 GAP D RMS ERH ERZ Q SQD ADJ IN NR AVR AAR NM AVXM SDXM NF AVFM SDFM 971217 1 0 32.87 37N 2.03 83W 6.60 1.23** 9110 200 1 0.44 5.4 10.9 D D D 3.94 10 12 0.00 0.35 0 0.0 0 0.0 (- STATION DATA -) (------ P-WAVE TRAVEL-TIME DATA AND DELAYS -------) VARI (---- S-WAVE TRAVEL-TIME DATA --)(--- MAGNITUDE DATA --) STN DIST AZM AIN PSEC PRMK+TCOR-O=TTOB-TTCAL C-DLAY-EDLY=P-RES P-WT THIC SSEC SRMK TTOB TTCAL S-RES S-WT AMX PR XMAG R FMP FMAG SLTN 110.0 126 69 51.61EP 18.74 18.85 1 .083 -0.20 1.961 71.31 0 38.44 31.93 6.43M0.000 CRTN 113.3 215 60 52.57EP 19.70 19.39 1 .044 0.27 1.917 73.76ES 0 40.89 32.86 8.00M0.000 WMV 190.4 87 60 3.86IP 30.99 31.20 1 .104 -0.32 1.024 25.51IS 52.64 52.96 -0.48 0.768 ELN 210.7 83 60 7.16IP 34.29 34.30 1 .057 -0.07 0.836 32.06IS 59.19 58.23 0.87 0.627 ANTN 212.5 244 60 7.35EP 34.48 34.58 1 .055 -0.16 0.820 36.50ES 0 63.63 58.72 4.83M0.000 BLA 239.8 84 60 11.18IP 38.31 38.76 1 .057 -0.52 0.598 39.94IS 67.07 65.83 1.16 0.449 DATE ORIGIN LAT LON DEP MD NO DMIN GAP RMS AX1 AZ1 AX2 AXZ Q QL QS QD 971217 1 0 32.9 37.034N 83.110W 1.2 0.0 9 110 200 0.4 5.4 344 1.4 10.9 D D D D QUALITY EVALUATION DIAGONALS IN ORDER OF STRENGTH Z NW SE N SW NE E AVE. OF END POINTS 0.06 0.27 0.31 0.34 0.54 0.61 0.74 NUMBER RMS MIN DRMS AVE DRMS QUALITY 9 0.44 0.12 0.44 D 1 XXXXX CLASS/ A B C D TOTAL XXXXX NUMBER/ 0.0 0.0 0.0 1.0 1.0 P/ 0.0 0.0 0.0 100.0 INCLUDE ONLY CLASS B AND BETTER IN THE FOLLOWING STATISTICS. P RESIDUALS S RESIDUALS S-P RESIDUALS X-MAG RES F-MAG RES STATION N WT AVE SD N WT AVE SD N WT AVE SD N AVE SD N AVE SD STATION WMV 0 0.0 0.00 0.00 0 0.0 0.00 0.00 0 0.0 0.00 0.00 0 0.00 0.00 0 0.00 0.00 WMV ELN 0 0.0 0.00 0.00 0 0.0 0.00 0.00 0 0.0 0.00 0.00 0 0.00 0.00 0 0.00 0.00 ELN BLA 0 0.0 0.00 0.00 0 0.0 0.00 0.00 0 0.0 0.00 0.00 0 0.00 0.00 0 0.00 0.00 BLA SLTN 0 0.0 0.00 0.00 0 0.0 0.00 0.00 0 0.0 0.00 0.00 0 0.00 0.00 0 0.00 0.00 SLTN CRTN 0 0.0 0.00 0.00 0 0.0 0.00 0.00 0 0.0 0.00 0.00 0 0.00 0.00 0 0.00 0.00 CRTN ANTN 0 0.0 0.00 0.00 0 0.0 0.00 0.00 0 0.0 0.00 0.00 0 0.00 0.00 0 0.00 0.00 ANTN 1 18-DEC-97 16:17:07 for the program ELLIPSE *********** Possible mine bump CRUSTAL MODEL 1 LAYER VELOCITY DEPTH THICKNESS VP/VS KM/SEC KM KM 1 5.630 0.000 5.700 1.64 2 6.050 5.700 9.000 1.72 3 6.530 14.700 36.000 1.70 4 8.180 50.700 1000.000 1.71 5 3.433 0.000 5.700 0.00 6 3.517 5.700 9.000 0.00 7 3.841 14.700 36.000 0.00 8 4.784 50.700 1000.000 0.00 RESULTS OF EACH ITERATION: I LAT LONG DEPTH RMS DLAT DLONG DZ 1 26.6 7.2 10.00 11.93 32.05 18.31 0.00 2 43.9 19.5 10.00 9.53 24.13 32.26 0.00 3 56.9 41.3 10.00 5.68 31.44 34.92 0.00 4 13.9 4.9 10.00 1.37 -20.67 1.84 -8.77 5 2.7 6.1 1.23 0.47 2.79 1.09 -0.62 5 4.2 6.8 0.62 0.48 -2.79 -1.09 0.62 6 2.7 6.1 1.23 0.47 -1.24 0.72 0.00 7 2.0 6.6 1.23 0.44 3.88 0.37 -0.62 6 4.1 6.8 0.62 0.48 -3.88 -0.37 0.62 7 2.0 6.6 1.23 0.44 0.01 -0.01 0.00 7 2.0 6.6 1.23 0.44 0.00 0.00 0.00 *********** HYPOELLIPSE LOCATION RESULTS *********** HORIZONTAL(2DOF) VERTICAL SE = 2.10 SE = 8.20 SE = 10.87 QUALITY = D AZ = 254. AZ = 344. DATE ORIGIN LAT LONG DEPTH MAG NO GAP RMS ERH ERZ SQD 971217 1 0 32.87 37N 2.03 83W 6.60 1.2* 0.0 9 200 0.44 5.4 10.9 D D (---STATION DATA---)(-----P WAVE DATA------)(-----S WAVE DATA------)(MAG DATA) STA DIST AZM ADP PSEC PRMK PRES PWT SSEC SRMK SRES SWT FMP FMAG SLTN 110.0 126 69 51.61 EP -0.20 1.96 71.31 0 6.43M 0.00 CRTN 113.3 215 60 52.57 EP 0.27 1.92 73.76ES 0 8.00M 0.00 WMV 190.4 87 60 3.86 IP -0.32 1.02 25.51IS -0.48 0.77 ELN 210.7 83 60 7.16 IP -0.07 0.84 32.06IS 0.87 0.63 ANTN 212.5 244 60 7.35 EP -0.16 0.82 36.50ES 0 4.83M 0.00 BLA 239.8 84 60 11.18 IP -0.52 0.60 39.94IS 1.16 0.45 QUALITY BASED ON FOCAL SPHERE: D