NAPA 17 DATASET IRIS ID: 201747 ASSEMBLED ID: 18-007 DATE: 4-11-2017 LOCATION: Saint Helena, California PI: Rufus Catchings, USGS Moffet Field PROFILE PARAMETERS: profile orientated West to East, 109 stations, 2 meter station spacing one geophone at each station, with a shotpoint located approximately one meter from each station at an azimuth perpendicular to the profile direction 3 guided wave shotpoints: GW1, GW2, GW3, each about 100 meters from the profile at an azimuth perpendicular to the profile direction SEISMOGRAPHS: profile recorded by two Stratavisor 60 channel seismographs: instrument 78015 recorded the west side of the profile instrument 78023 recorded the east side of the profile 78015 recorded stations 01-056 as channels 1-60, channels 9, 36, 37 and 46 not used 78023 recorded stations 55-109 as channels 1-60, channels 6, 26, 37 and 60 not used geophones for 78015 channel 59 and 78023 channel 1 placed at the same station geophones for 78015 channel 60 and 78023 channel 1 placed at the same station geophones for 78023 channel 30 and 78023 channel 31 placed at the same station P-WAVE GEOPHONES: Mark Products L40A 40.0 hz, 335 ohm geophones, sensitivity 22.34 volts/meter/sec S-WAVE GEOPHONES: Mark Products L28-LBH 4.5 hz, 395 ohm geophones, sensitivity 31.3 volts/meter/sec P-WAVE SOURCES: a hammer striking a plate vertically or a 500lb accelerated weight drop S-WAVE SOURCES: a hammer striking a block horizontally SHOOTING SEQUENCE: first, P-wave sourced shots were recorded by single-component vertical geophones then, S-wave sourced shots were recorded by single-component horizontal geophones orientated perpendicular to the profile direction Note that there were usually several coincident shots at each shotpoint location SEG-Y FILES: each SEG-Y file consists of channels recorded by one seismograph for one shot each channel is recorded as a separate, single-component trace in the SEG-Y file each trace contains 4000 data samples at a sample rate of 2000 samples per second data samples consist of 4 byte IEEE floating point values, and are in units of millivolts data was recorded using a delay of -50 ms, thus records start 50 ms before the trigger time SEG-Y data are related to the metadata via the SEG-Y headers: FFID and CHAN FFID represents both recording instrument and shot number, and has format: XYYY, where X = instrument number (1 or 2) and YYY = shot number (001, 002, etc) CHAN represent channel number, and has a value from 1 to 60 Please refer to the profile parameter information for the dates and station coordinates, instead of the RECEIVER/SOURCE COORDINATE and TRACE START TIME header values in the SEG-Y files. SHOT SUMMARY: instrument 01 = 78015 instrument 02 = 78023 SP type: phammer = hammer striking a plate vertically shammer = hammer striking a block horizontally vertwd = 500 lb accelerated weight drop striking a plate vertically SHOTS RECORDED BY P-WAVE GEOPHONES: |SP LOC:| | SHOT |INSTRU-| STA- | SP RANGE |CHANNEL| TION | TYPE -----------|-------|------|-------- 0001-0009 | ----- | GW1P | vertwd 0010-0014 | ----- | GW2P | vertwd 0015-0020 | ----- | GW3P | vertwd 0021-0032 | 02-59 | 109 | vertwd 0078-0082 | 02-58 | 108 | phammer 0083-0087 | 02-57 | 107 | phammer 0088-0092 | 02-56 | 106 | phammer 0033-0037 | 02-55 | 105 | vertwd 0093-0097 | 02-54 | 104 | phammer 0098-0102 | 02-53 | 103 | phammer 0103-0107 | 02-52 | 102 | phammer 0108-0112 | 02-51 | 101 | phammer 0038-0042 | 02-50 | 100 | vertwd 0113-0117 | 02-49 | 99 | phammer 0118-0122 | 02-48 | 98 | phammer 0123-0127 | 02-47 | 97 | phammer 0128-0132 | 02-46 | 96 | phammer 0043-0047 | 02-45 | 95 | vertwd 0133-0137 | 02-44 | 94 | phammer 0138-0142 | 02-43 | 93 | phammer 0143-0147 | 02-42 | 92 | phammer 0148-0152 | 02-41 | 91 | phammer 0048-0052 | 02-40 | 90 | vertwd 0153-0157 | 02-39 | 89 | phammer 0158-0162 | 02-38 | 88 | phammer 0163-0167 | 02-36 | 87 | phammer 0168-0172 | 02-35 | 86 | phammer 0053-0057 | 02-34 | 85 | vertwd 0173-0177 | 02-33 | 84 | phammer 0178-0182 | 02-32 | 83 | phammer 0183-0187 | 02-30 | 82 | phammer 0188-0192 | 02-29 | 81 | phammer 0058-0062 | 02-28 | 80 | vertwd 0193-0197 | 02-27 | 79 | phammer 0198-0202 | 02-25 | 78 | phammer 0203-0207 | 02-24 | 77 | phammer 0208-0212 | 02-23 | 76 | phammer 0063-0067 | 02-22 | 75 | vertwd 0213-0217 | 02-21 | 74 | phammer 0218-0222 | 02-20 | 73 | phammer 0223-0227 | 02-19 | 72 | phammer 0228-0232 | 02-18 | 71 | phammer 0068-0072 | 02-17 | 70 | vertwd 0233-0237 | 02-16 | 69 | phammer 0238-0242 | 02-15 | 68 | phammer 0243-0247 | 02-14 | 67 | phammer 0073-0077 | 02-13 | 66 | vertwd 0248-0252 | 02-12 | 65 | phammer 0253-0254 | 02-11 | 64 | phammer 0255-0256 | 02-10 | 63 | phammer 0257-0258 | 02-09 | 62 | phammer 0259-0260 | 02-08 | 61 | phammer 0261-0262 | 02-07 | 60 | phammer 0263-0264 | 02-05 | 59 | phammer 0265-0266 | 02-04 | 58 | phammer 0267-0268 | 02-03 | 57 | phammer 0269-0270 | 01-60 | 56 | phammer 0271-0272 | 01-59 | 55 | phammer 0273-0274 | 01-58 | 54 | phammer 0275-0276 | 01-57 | 53 | phammer 0277-0278 | 01-56 | 52 | phammer 0279-0282 | 01-55 | 51 | phammer 0283-0284 | 01-54 | 50 | phammer 0285-0286 | 01-53 | 49 | phammer 0287-0288 | 01-52 | 48 | phammer 0289-0290 | 01-51 | 47 | phammer 0291-0293 | 01-50 | 46 | phammer 0294-0296 | 01-49 | 45 | phammer 0297-0298 | 01-48 | 44 | phammer 0299-0300 | 01-47 | 43 | phammer 0301-0302 | 01-45 | 42 | phammer 0303-0304 | 01-44 | 41 | phammer 0305-0306 | 01-43 | 40 | phammer 0307-0308 | 01-42 | 39 | phammer 0309-0310 | 01-41 | 38 | phammer 0311-0312 | 01-40 | 37 | phammer 0313-0314 | 01-39 | 36 | phammer 0315-0316 | 01-38 | 35 | phammer 0317-0318 | 01-35 | 34 | phammer 0319-0320 | 01-34 | 33 | phammer 0321-0322 | 01-33 | 32 | phammer 0323-0324 | 01-32 | 31 | phammer 0325-0330 | 01-31 | 30 | phammer 0331-0335 | 01-30 | 29 | phammer 0336-0340 | 01-29 | 28 | phammer 0341-0345 | 01-28 | 27 | phammer 0346-0350 | 01-27 | 26 | phammer 0351-0355 | 01-26 | 25 | phammer 0356-0360 | 01-25 | 24 | phammer 0361-0365 | 01-24 | 23 | phammer 0366-0370 | 01-23 | 22 | phammer 0371-0375 | 01-22 | 21 | phammer 0376-0381 | 01-21 | 20 | phammer 0382-0386 | 01-20 | 19 | phammer 0387-0391 | 01-18 | 17 | phammer 0392-0397 | 01-17 | 16 | phammer 0398-0402 | 01-16 | 15 | phammer 0403-0408 | 01-15 | 14 | phammer 0409-0413 | 01-14 | 13 | phammer 0414-0418 | 01-13 | 12 | phammer 0419-0423 | 01-12 | 11 | phammer 0424-0428 | 01-11 | 10 | phammer 0429-0433 | 01-10 | 9 | phammer 0434-0438 | 01-08 | 8 | phammer 0439-0443 | 01-07 | 7 | phammer 0444-0448 | 01-06 | 6 | phammer 0449-0453 | 01-05 | 5 | phammer 0454-0459 | 01-04 | 4 | phammer 0460-0464 | 01-03 | 3 | phammer 0465-0476 | 01-02 | 2 | phammer 0477-0486 | 01-01 | 1 | phammer SHOTS RECORDED BY S-WAVE GEOPHONES: |SP LOC:| | SHOT |INSTRU-| STA- | SP RANGE |CHANNEL| TION | TYPE -----------|-------|------|------- 0487-0509 | 01-01 | 1 | shammer 0510-0511 | 01-02 | 2 | shammer 0512-0513 | 01-03 | 3 | shammer 0514-0515 | 01-04 | 4 | shammer 0516-0517 | 01-05 | 5 | shammer 0518-0519 | 01-06 | 6 | shammer 0520-0521 | 01-07 | 7 | shammer 0522-0523 | 01-08 | 8 | shammer 0524-0526 | 01-10 | 9 | shammer 0527-0528 | 01-11 | 10 | shammer 0529-0530 | 01-12 | 11 | shammer 0531-0532 | 01-13 | 12 | shammer 0533-0534 | 01-14 | 13 | shammer 0535-0536 | 01-15 | 14 | shammer 0537-0437 | 01-16 | 15 | shammer 0538-0543 | ----- | GW1S | shammer 0544-0548 | ----- | GW2S | shammer 0549-0551 | ----- | GW3S | shammer 0552-0552 | 01-16 | 15 | shammer 0553-0554 | 01-17 | 16 | shammer 0555-0556 | 01-18 | 17 | shammer 0557-0559 | 01-20 | 19 | shammer 0560-0561 | 01-21 | 20 | shammer 0562-0563 | 01-22 | 21 | shammer 0564-0565 | 01-23 | 22 | shammer 0566-0567 | 01-24 | 23 | shammer 0568-0569 | 01-25 | 24 | shammer 0570-0571 | 01-26 | 25 | shammer 0572-0573 | 01-27 | 26 | shammer 0574-0576 | 01-28 | 27 | shammer 0577-0578 | 01-29 | 28 | shammer 0579-0580 | 01-30 | 29 | shammer 0581-0585 | 01-31 | 30 | shammer 0586-0587 | 01-32 | 31 | shammer 0588-0589 | 01-33 | 32 | shammer 0590-0591 | 01-34 | 33 | shammer 0592-0593 | 01-35 | 34 | shammer 0594-0595 | 01-38 | 35 | shammer 0596-0597 | 01-39 | 36 | shammer 0598-0599 | 01-40 | 37 | shammer 0600-0601 | 01-41 | 38 | shammer 0602-0603 | 01-42 | 39 | shammer 0604-0605 | 01-43 | 40 | shammer 0606-0607 | 01-44 | 41 | shammer 0608-0609 | 01-45 | 42 | shammer 0610-0611 | 01-47 | 43 | shammer 0612-0613 | 01-48 | 44 | shammer 0614-0615 | 01-49 | 45 | shammer 0616-0617 | 01-50 | 46 | shammer 0618-0619 | 01-51 | 47 | shammer 0620-0621 | 01-52 | 48 | shammer 0622-0623 | 01-53 | 49 | shammer 0624-0625 | 01-54 | 50 | shammer 0626-0628 | 01-55 | 51 | shammer 0629-0630 | 01-56 | 52 | shammer 0631-0632 | 01-57 | 53 | shammer 0633-0634 | 01-58 | 54 | shammer 0635-0636 | 02-01 | 55 | shammer 0637-0638 | 02-02 | 56 | shammer 0639-0640 | 02-03 | 57 | shammer 0641-0642 | 02-04 | 58 | shammer 0643-0644 | 02-05 | 59 | shammer 0645-0646 | 02-07 | 60 | shammer 0647-0648 | 02-08 | 61 | shammer 0649-0650 | 02-09 | 62 | shammer 0651-0652 | 02-10 | 63 | shammer 0653-0654 | 02-11 | 64 | shammer 0655-0657 | 02-12 | 65 | shammer 0658-0659 | 02-13 | 66 | shammer 0660-0661 | 02-14 | 67 | shammer 0662-0663 | 02-15 | 68 | shammer 0664-0665 | 02-16 | 69 | shammer 0666-0667 | 02-17 | 70 | shammer 0668-0669 | 02-18 | 71 | shammer 0670-0671 | 02-19 | 72 | shammer 0672-0673 | 02-20 | 73 | shammer 0674-0675 | 02-21 | 74 | shammer 0676-0677 | 02-22 | 75 | shammer 0678-0679 | 02-23 | 76 | shammer 0680-0681 | 02-24 | 77 | shammer 0682-0683 | 02-25 | 78 | shammer 0684-0685 | 02-27 | 79 | shammer 0686-0687 | 02-28 | 80 | shammer 0688-0689 | 02-29 | 81 | shammer 0690-0691 | 02-31 | 82 | shammer 0692-0693 | 02-32 | 83 | shammer 0694-0695 | 02-33 | 84 | shammer 0696-0697 | 02-34 | 85 | shammer 0698-0699 | 02-35 | 86 | shammer 0700-0701 | 02-36 | 87 | shammer 0702-0703 | 02-38 | 88 | shammer 0704-0705 | 02-39 | 89 | shammer 0706-0707 | 02-40 | 90 | shammer 0708-0709 | 02-41 | 91 | shammer 0710-0711 | 02-42 | 92 | shammer 0712-0713 | 02-43 | 93 | shammer 0714-0715 | 02-44 | 94 | shammer 0716-0717 | 02-45 | 95 | shammer 0718-0719 | 02-46 | 96 | shammer 0720-0721 | 02-47 | 97 | shammer 0722-0723 | 02-48 | 98 | shammer 0724-0725 | 02-49 | 99 | shammer 0726-0727 | 02-50 | 100 | shammer 0728-0729 | 02-51 | 101 | shammer 0730-0731 | 02-52 | 102 | shammer 0732-0733 | 02-53 | 103 | shammer 0734-0735 | 02-54 | 104 | shammer 0736-0737 | 02-55 | 105 | shammer 0738-0739 | 02-56 | 106 | shammer 0740-0741 | 02-57 | 107 | shammer 0742-0743 | 02-58 | 108 | shammer 0744-0745 | 02-59 | 109 | shammer