#1. SCANDINAVIAN SHIELD ++++++++++++++++++++++++++++++++++++ 1. Travel time table of first arrivals of P waves (Pg and Pn) ____________________________________________________ Distance App.velocity Time equation km km/s ____________________________________________________ 0 - 195 6.22 t(Pg) = R/6.22 + 0 195 - 300 7.94 t(Pn) = R/7.94 + 6.8 300 - 370 8.17 t(Pn) = R/8.17 + 7.9 370 - 800 8.30 t(Pn) = R/8.30 + 8.6 800 -1200 8.35 t(Pn) = R/8.35 + 9.2 1200 -2200 8.61 t(Pn) = R/8.61 +13.5 2200- 2700 10.14 t(Pn) = R/10.14+52.0 ____________________________________________________ 2. Pg waves: t(Pg) = R/6.22 + 0 0-1500 km 3. Sn waves: t(Sn) = R/4.65 + 13.3 200-2500 km 4. Lg waves: t(Lg) = R/3.58 + 0 0-1500 km 5. Rg waves: t(Rg) = R/3.02 + 0 0-1000 km ============================================================= #2. EAST EUROPEAN PLATFORM +++++++++++++++++++++++++++++++++++++++ 1.Travel time table of first arrivals of P waves (Pg and Pn) ______________________________________________ R,km V, km/s Time equations ______________________________________________ 0 - 200 6.23 t(Pg) = R/6.23 + 0.6 200-1200 8.32 t(Pn) = R/8.32 + 8.7 1200-2200 8.61 t(Pn) = R/8.61 + 13.5 2200-2700 10.14 t(Pn) = R/10.14+ 52.0 2700-3000 12.35 t(Pn) = R/12.35+ 99.7 ______________________________________________ 2. Pg waves: t(Pg) = R/6.23 + 0.6 R = 0 - 400 km 3. Lg waves: t(Lg) = R/3.53 + 1.0 R = 250-2500 km 4. Sn waves: t(Sn) = R/4.75 +15.6 R = 250-2500 km ======================================================== #3. CENOZOIC FOLDED REGIONS +++++++++++++++++++++++++++ For this region we use Kirichenko and Kraev, 2000 : t(Pn) = R/8.22 + 8.8 200-1800 km t(Pg) = R/6.21 + 0.9 250-1200 km t(Sn) = R/4.58 + 12.1 250-2000 km t(Lg) = R/3.56 + 0.9 200-2200 km ================================================================ #4. URAL FOLD ZONE +++++++++++++++++++++++++++++++ 1.Travel time table of first arrivals of P waves (Pg and Pn) ______________________________________________ R,km V, km/s Time equations ______________________________________________ 0 - 220 6.25 t(Pg) = R/6.25 + 0.2 220 - 400 8.08 t(Pn) = R/8.08 + 8.2 400- 1600 8.32 t(Pn) = R/8.32 + 9.6 1600-2000 8.60 t(Pn) = R/8.60 + 15.9 2000-2200 9.62 t(P) = R/9.62 + 40.6 2200-2600 10.45 t(P) = R/10.45 +58.8 ______________________________________________ 2. t(Pg) = R/6.25 + 0.2 50 - 1000 km 3. t(Sn) = R/4.69 + 14.5 220 - 1600 km 4. t(Lg) = R/3.58 + 0 50 - 2000 km ============================================================ #5b. WEST SIBERIAN PLATFORM +++++++++++++++++++++++++++++++++++++++ 1.Travel time table of first arrivals of P waves (Pg and Pn) ______________________________________________ R,km V, km/s Time equations ______________________________________________ 50- 200 6.25 t(Pg) = R/6.25 + 1.3 200- 900 8.35 t(Pn1) = R/8.35 + 9.3 900-1700 8.50 t(Pn2) = R/8.50 + 11.1 1700-2000 8.65 t(Pn3) = R/8.65 + 14.6 2000-2200 9.62 t(P1) = R/9.62 + 37.9 2200-2500 10.4 t(P) = R/10.4 + 55.0 ______________________________________________ 2. t(Pg) = R/6.25 + 1.6 50 -1000 km 3. t(Sn) = R/4.75 + 15.4 250 -2000 km 4. t(Lg) = R/3.56 + 0.6 50 -2500 km ======================================================= #5c. KAZAKH MASSIF +++++++++++++++++++++++++++++++ 1.Travel time table of first arrivals of P waves (Pg and Pn) ______________________________________ R,km Time equations ______________________________________ 0 - 200 t(Pg) = R/6.21 + 0.8 200- 900 t(Pn) = R/8.13 + 8.4 900-1600 t(Pn) = R/8.36 + 11.4 1600-2000 t(Pn) = R/8.73 + 19.5 2000-2200 t(P) = R/9.57 + 39.6 2200-2400 t(P) = R/10.10 + 51.7 2400-2700 t(P) = R/10.95 + 70.1 2700-3400 t(P) = R/12.00 + 91.5 _______________________________________ 2. Pg waves t(Pg) = R/6.21 + 0.8 50-1200 km 3. Sn waves t(Sn) = R/4.68 + 13.8 200-1300 km 4. S waves t(S) = R/5.58 + 94.7 1200-2000 km 5. Lg waves t(Lg) = R/3.57 + 0.5 200-1100 km t(Lg) = R/3.61 + 4.0 1100-2500 km ============================================================== #5d. TURAN PLATEAU +++++++++++++++++++++++++++++++ 1. Travel time table of first arrivals of P waves (Pg and Pn) _____________________________________________________ Wave R V Time equations km km/s _____________________________________________________ Pg 20-190 6.25 t(Pg) = R/6.25 + 1.0 Pn 190-800 8.15 t(Pn) = R/8.15 + 8.2 Pn 800-1600 8.36 t(Pn) = R/8.36 + 10.7 Pn 1600-2000 8.80 t(Pn) = R/8.80 + 20.3 P 2000-2200 9.58 t(P) = R/9.57 + 38.6 P 2200-2400 10.10 t(P) = R/10.10 + 50.8 _____________________________________________________ 2. Pg waves. t(Pg) = R/6.25 + 1.0 50- 600 km 3. Sn waves t(Sn) = R/4.70 + 13.7 190- 600 km 4. Lg waves t(Lg) = R/3.56 + 0.8 100-1000 km ================================================================ #6. ALTAY-SAYANS REGION ++++++++++++++++++++++++++++++++++++ 1.Travel time table of first arrivals of P waves (Pg and Pn) ____________________________________________________ Wave R V Time equations km km/s ____________________________________________________ Pg 50-200 6.13 t(Pg) = R/6.13 + 0.3 Pn 200-900 8.12 t(Pn) = R/8.13 + 8.3 Pn 900-1600 8.36 t(Pn) = R/8.36 +11.3 Pn 1600-2000 8.73 t(Pn) = R/8.73 +19.4 P 2000-2200 9.30 t(P) = R/9.30 +33.4 P 2200-2500 10.10 t(P) = R/10.1+ 52.2 ____________________________________________________ 2. Pg waves t(Pg) = R/6.13 + 0.3 50 - 1200 km 3. Sn waves t(Sn) = R/4.56 + 12.7 200 - 1200 km 4. Lg waves t(Lg) = R/3.57 + 0.5 50 - 2000 km ============================================================ #7. Tian-Shan orogenic zone ++++++++++++++++++++++++++++++++++++++++ Travel time table of first arrivals of P waves (Pg and Pn) For transit rays of Pn waves. (distance from the border >100 km) ______________________________________________________ Wave R,km V, km/s Time equations ______________________________________________________ Pg 50-200 6.06 t(Pg) = R/6.06 + 0.6 Pn1 200-1000 8.14 t(Pn1) = R/8.14 + 8.4 Pn1 1000-1600 8.39 t(Pn1) = R/8.39 + 12.1 Pn2 1600-2000 8.75 t(Pn2) = R/8.75 + 19.9 ______________________________________________________ 2. t(Pg) = R/6.06 + 0.6 50 - 1000 km 3. t(Sn) = R/4.61 + 16.5 225 - 1200 km 4. t(Lg) = R/3.51 + 1.2 50 - 2000 km ====================================================== The TTT valid only for events occurring and recorded within the zone ______________________________________________________ R,km V, km/s Time equations _____________________________________________ 225- 400 7.75 t(Pn) = R/7.75 + 8.6 400- 800 8.03 t(Pn) = R/8.03 + 10.4 800-1300 8.13 t(Pn) = R/8.13 + 11.1 1300-1800 8.26 t(Pn) = R/8.26 + 14.1 ====================================================== #8 and 11. TARIM PLATFORM and NW CHINA +++++++++++++++++++++++++++++++++++++++++++++++++++ 1. Travel time table of first arrivals of P waves (Pg and Pn) ______________________________________________________ Wave Distance App.vel. Time equation km km/s ______________________________________________________ Pg 0 - 220 6.18 t(Pg) = R/6.18 + 0 Pn1 220-1000 8.16 t(Pn1) = R/8.16 + 8.5 Pn2 1000-1800 8.47 t(Pn2) = R/8.47 + 12.9 Pn3 1800-2000 8.85 t(Pn3) = R/8.85 + 22.0 P1 2000-2100 9.52 t(P1) = R/9.52 + 38.0 P2 2100-2500 10.39 t(P2) = R/10.39 +56.4 ______________________________________________________ Travel time of Sn, S and Lg waves ______________________________________________________ Wave Distance App.vel. Time equation km km/s ______________________________________________________ Sn1 200- 800 4.64 t(Sn1) = R/4.64 + 15.1 Sn2 800-1600 4.74 t(Sn2) = R/4.74 + 18.7 S 1300-1900 5.68 t(S) = R/5.68 + 99.1 1900-2400 5.75 t(S) = R/5.75 +103.1 Lg 100-1000 3.55 t(Lg) = R/3.55 + 0.5 ====================================================== #9. PAMIR, HINDUKUSH AND HIMALAYA ++++++++++++++++++++++++++++++++++ Recommended for transit rays from events located out of this region (further than 150 km) ______________________________________________________ R,km V, km/s Time equations ______________________________________________ 300-1000 8.14 t(Pn1) = R/8.14 + 8.4 1000-1600 8.39 t(Pn1) = R/8.39 + 12.1 1600-2000 8.75 t(Pn2) = R/8.75 + 19.9 ====================================================== The TTT valid only for events occurring and recorded within the zone _____________________________________________ 225- 400 7.72 t(Pn) = R/7.75 + 8.6 400- 800 8.03 t(Pn) = R/8.03 + 10.4 800-1300 8.13 t(Pn) = R/8.13 + 11.1 1300-1800 8.26 t(Pn) = R/8.26 + 14.1 ====================================================== #10. TIBET ++++++++++++++++++++++++++++++++++++++ TTT valid for transit events located futher than 250 km from Tibet border. ______________________________________________________ R,km V, km/s Time equations ______________________________________________ 300-700 8.10 t(Pn1) = R/8.10 + 10.3 700-1000 8.30 t(Pn2) = R/8.30 + 12.4 1000-1600 8.40 t(Pn2) = R/8.40 + 13.9 1600-2000 8.70 t(Pn3) = R/8.70 + 20.5 ============================================== TTT valid only for events which occurred and were recorded the within Tibet area. ______________________________________________________ R,km V, km/s Time equations ______________________________________________ 75- 368 6.53 t(Pg2) = R/6.53 + 2.1 368- 640 7.99 t(Pn1) = R/7.99 + 12.3 640-1100 8.29 t(Pn2) = R/8.29 + 15.2 ====================================================== # 12. BAYKAL-MONGOL FOLD ZONE +++++++++++++++++++++++++++++ For south part (south from Bykal Lake) see region #8. For northern part of the region we use Kirichenko and Kraev (2000) data for Baykal rift zone, which is part of the Baykal-Mongol fold zone: _________________________________________________________ Time equations R,km ________________________________________________________ t(Pg) = R/6.13 - 0.9 400-1200 km t(Pn) = R/8.21 + 6.8 400-2000 km t(Sn) = R/4.64 + 12.4 400-2000 km t(Lg) = R/3.48 - 6.4 400-2500 km ========================================================= #15. EAST SIBERIAN PLATFORM ++++++++++++++++++++++++++++++++++++++++ 1. Travel time table of first arrivals of P waves (Pg and Pn) ____________________________________________________ Wave R V Time equations km km/s ____________________________________________________ Pg 50-220 6.24 t(Pg) = R/6.24 + 0.5 Pn 220-1100 8.43 t(Pn) = R/8.43 + 9.7 Pn 1100-2000 8.61 t(Pn) = R/8.61 +12.4 P 2000-2200 9.30 t(P) = R/9.30 + 29.6 P 2200-2500 10.0 t(P) = R/10.0 + 46.2 ____________________________________________________ 3. Sn waves t(Sn) = R/4.77 + 17.0 600-2000 km 4. Lg waves t(Lg) = R/3.53 + 0.7 250-2500 km ========================================================== #16. NORTH-EAST TERRITORY AND CHUKOT PENINSULA ++++++++++++++++++++++++++++++++++++++++++++++ For this region we use Kirichenko and Kraev, 2000 : ___________________________________________________________ Wave R V Time equations km km/s ___________________________________________________________ Pg 50- 205 6.19 t(Pg) = R/6.19 + 1.6 Pn 205-2000 8.29 t(Pn) = R/8.29 + 10.0 Pg 205-1000 6.19 t(Pg) = R/6.19 + 1.6 Sn 500-2200 4.51 t(Sn) = R/4.51 + 6.6 Lg 200-2500 3.50 t(Lg) = R/3.50 + 0 ============================================================ #20a Sikkim +++++++++++++++++++++++++++++++++++++ ______________________________________________________ R,km V, km/s Time equations ____________________________________________ 100-1000 6.10 t(Pg) = R/6.10 + 0 220-1000 8.17 t(Pn) = R/8.17 + 9.3 100-1000 3.55 t(Lg) = R/3.55 + 0 220-1000 4.62 t(Sn) = R/4.64 + 15.1 ====================================================== TTT are not compiled for following regions: +++++++++++++++++++++++++++++++++++++++++++ #13. SOUTH-EAST CHINA IASPI #14. JAPAN, SAKHALIN, KURILS IASPI #17. KAMCHATKA IASPI #18. ARABIAN PLATE IASPI #19. INDIAN SUBCONTINENT IASPI #20b. INDO-CHINA PENINSULA IASPI