Costas paused. ‘The Turkish authorities are already on Category A alert, with evacuation plans on full standby. What we’ve got to say will push them to activate, but there’ll have to be top-level government meetings in Ankara. It’s a huge decision to make. Millions of people will be disrupted.’
‘The odds for us?’
Costas swam forward and peered over the edge. ‘There’s a lot of plume activity just where we want to go. And the lava’s rising. But when have the odds ever been in our favour?’
‘What’s your call?’
‘I haven’t had a chance to test Little Joey yet. I couldn’t face Jeremy and say I hadn’t tried.’
Jack stared at the ancient entranceway, the stairs in front of it now lit up in the orange glow of the lava that was lapping the base of the rock. It was now or never. He thought about what Costas had said. Half an hour might make no difference. But that calculation depended on them escaping alive. If they never made it out and nobody knew what they had seen, that activation might never be ordered. Millions of people on standby might become millions of dead and injured and homeless. He might be about to make the most momentous decision of his career. Of his life. He stared at the ancient rock-cut entrance, his vision narrowing to a tunnel again, one that seemed to draw him forward over the burning pit in front of them.
‘Okay,’ he said. ‘Let’s do it, and then let’s get the hell out of here.’
3
Jack swam to the edge of the tunnel and looked at the underwater magma lake, watching the yellow-brown haze that seemed to undulate over the lava as plumes of bubbles rose through it and shimmered towards the ceiling of the cavern in the darkness far above. He knew that to swim from the ledge over the lava would be like walking on quicksand, with the rising bubbles pulling on his buoyancy and the plumes acting like sinkholes in the water. Far out in the middle he watched a spectacular geyser of molten rock arch upwards, its surface speckled with bubbles of gas. He turned back, checking the gauge readout inside his helmet. They were eighty-five metres beneath the surface of the Black Sea, at least twenty-five metres below the outer flank of the volcano, and he was down to the final third of the air mixture in his rebreather. He had twenty-five minutes left at this depth, no more, before going on to his reserve supply. There would be no chance of an emergency ascent from this depth to the surface and Seaquest II; their only option was to stick to plan and return up the tunnel to the submersible. Getting to the ancient entranceway and then coming back here would be cutting it fine.
He turned to Costas, who had reached down and opened a Velcroed Kevlar flap on his left thigh, pulling out a tube about the length of his forearm. One end was attached to a spool of what looked like heavy-duty fishing line. He clipped the spool to a carabiner on the chest strap of his rebreather backpack and then twisted the tube, causing a handle like a pistol grip to fold out below. Another twist further up and a metal rod with a point like a harpoon snapped out of the front. He wrapped his right glove around the grip and put his other hand further up the tube. ‘I haven’t had a chance to show you this yet,’ he said.
‘Odd place to go spearfishing,’ Jack said.
‘It’s something I’ve been playing with since we were here five years ago,’ Costas replied, eyeing the rock face ahead of them. ‘You don’t tend to think that getting through submerged caverns would be an issue because you can swim through them, but thinking about volcanic activity made me wonder what it would be like if some force were dragging us down, exerting a pull on buoyancy exactly like those gas eruptions would do now.’
‘Got you,’ Jack exclaimed. ‘It’s a grapple gun.’
Costas pressed his wrist control panel, and Jack saw a thin shaft of light from his helmet where a laser rangefinder penetrated the gloom. ‘Twenty-six metres to that ledge,’ Costas murmured. ‘The grapple spear has a lead core to increase weight and the shaft is as narrow as possible for minimal water resistance, but even so its effective range is only about twelve metres. It’ll go further but you need good force of impact for the head to explode.’
‘Explode?’
‘The first ten centimetres of the shaft contains a joined matrix of rods made of titanium with a magnetic ferrous core. The head impacts the rock and detonates a small C-5 charge, and the rods shoot into every nook and cranny for ten centimetres or so around the point of impact. Then they’re locked tight by an electromagnetic pulse I fire down the wire from the gun.’
‘And then you reuse it?’ Jack pointed across the canyon. ‘We’re going to need two lengths.’
‘Once it’s wedged into the rock and magnetized, it won’t come out. But there’s a second head below the first on the shaft, and you can detach the line from the fired head and put it on the second. It’s a gamble, Jack. The total distance is several metres beyond the specs.’
‘How do we get back?’
‘That entranceway is about five metres higher than we are here. We’ll have to free-swim back, but if we launch ourselves with maximum buoyancy we could swim in an arc and land back here without being pulled down.’
‘Okay. Let’s get going.’
‘Move behind me. This thing fires a substantial black powder cartridge.’ Costas clicked on his laser rangefinder again and aimed at the jagged crevice he had been eyeing on the wall, then pulled the trigger. There was a violent shudder and a jet of bubbles and the spear shot off from the tube, pulling the line behind it. The spool abruptly stopped reeling and Costas was pulled forward, just holding himself in time from being yanked off the ledge over the rising bubbles. He pulled hard on the line, then looked back at Jack. ‘Okay. It’s held.’
‘What’s the drill?’
‘I stay here, you swim along the line. You get there, I swing off this ledge and follow you.’
Jack leaned over the void. ‘That line’s ten metres long, and the lava’s what, eight metres below us? That puts you in the soup.’
‘That’s where you come in. As I swim out as fast as I can from here, you reel in the slack. That way if I’m pulled down, the line will hold me high enough above the lava.’
‘Roger that,’ Jack said, pushing himself off and grasping the line in front of Costas. ‘You secure?’
‘Go for it.’
Jack finned forward over the lava, watching the streaks of red in the cooling lobes and nodules directly below him. At about the halfway point he was suddenly surrounded by a miasma of bubbles escaping from the lava below, a silvery mass that seemed to waft around him, bathing him in refracted light. He lost all points of reference, and seemed to be falling precipitately, a feeling that made him want to let go of the line and spread-eagle himself like a skydiver. His hand jerked on the line and he twisted sideways. It was no illusion; he really had been falling. He began pulling himself along, his buoyancy computer continuously adjusting to compensate for the effect of being dragged down in the vacuum created by the bubbles. He reached the grapple, checked that it was locked securely into a crack and then turned to look for Costas, who had crouched down on the edge of the tunnel opening, holding the line. Jack held on to the rock face with one hand and put his other out in the diver’s okay signal, his forefinger and thumb joined in a circle, and then transferred both hands to the line. He heard Costas’ voice crackling on the intercom through some kind of interference, the broken sounds briefly becoming distinct. ‘You ready?’
Jack wedged his body as much as he could into the rock. ‘Roger that.’
Costas launched himself forward in a slow-motion dive, his bulky suit making him look like an astronaut. As the line went slack, Jack hauled on it, looping it quickly around a rock protrusion behind him. It suddenly went taut as Costas was sucked down by a gas plume and disappeared out of sight. The line went slack again, and for a horrible few seconds as he frantically pulled on it Jack thought that Costas might have impacted with the lava. Then the crackling came on the intercom again, and Costas appeared out of the plume and ascended a few metres below him. He reached the ledge beside J
ack, then wedged in an elbow and took the grapple gun out again from his pocket, unhooking the line from the carabiner on his chest and feeding it back into the tube. He glanced at Jack through his visor. ‘That was close.’
‘Your boiler suit looks like glue.’
Costas grunted, reached into the crevice to disengage the line from the grapple, then pressed a control on the tube to re-spool the line and hook it back into the second grapple, ready for firing. He wrapped his hand round the grip again and peered at their objective, the rock-cut platform in front of the ancient entranceway some fifteen metres away. ‘Twice lucky?’
‘Go for it.’
There was a jolt as he fired the device again, and Jack watched the grapple arc over and disappear into a fold in the rock about a metre below the ledge. Costas pulled hard, and the line went rigid. He leaned back and Jack swam over him, taking the line in one hand and kicking out above it. This time he quickly made it to the opposite side and Costas followed, swimming forward while Jack hauled, not bothering to loop the line but letting it drop down below. Costas reached the rock beside him and hung on, breathing heavily on his regulator, then he grasped the line near the grapple and let go of the rock to release the carabiner. As he did so, Jack saw a white expanse of gas billow up below them, and at the same moment the rock holding the grapple broke free under the tension and tumbled off the face, dropping down below Costas into the fomenting mass of bubbles now rising up around them. Jack wedged one hand into the rock and reached down with his other to grab Costas under one arm, holding tight as the plume rose through them. For a split second it seemed as if they were dangling in air, and Jack was holding Costas’ entire weight. Then the plume dispersed above them and Costas hit the manual on his buoyancy control. Jack twisted round and looked up, seeing the carved lintel shape above the doorway, straining to look for the ancient symbols he desperately wanted to see.
Just as he relaxed his hold, there was a jerk and Costas’ arm slipped away. Jack twisted back and saw a horrifying sight. Costas was at least five metres below him, his arms flailing, descending fast. Jack slammed his buoyancy control to dump the air inside his compensator and swam downwards. The chunk of rock with the grapple still inside had pulled Costas down like an anchor, and was now embedded in the lava near the edge of the chamber, sinking in and pulling Costas with it. Jack reached him with only a few metres to spare, pulling his chest strap with one hand and releasing the carabiner with the other, then injecting air into both of their buoyancy compensators. He watched the line snake away and disappear into the molten mass below them, and turned Costas round to face him. ‘You okay?’
Costas was wide-eyed, his visor fogged up around the edges from his exhalation. Jack had a sudden sickening feeling. They had just lost their one lifeline, and they had expended more air than they had bargained for. Costas returned his stare. ‘I think that’s twice very lucky,’ he said hoarsely. ‘Let’s get up there, do what we have to do and get the hell out of here.’
As they swam upwards, Jack turned to look out over the lava lake. A surge was rising in the middle, then moving along as if something were swimming just beneath the surface like some ancient spirit monster. Suddenly the mass rose in a giant bulbous dome and split open, disgorging a huge bubble of gas into the water. A second later there was a blinding flash and Jack could see the pressure waves in the water surging towards them. Costas clung to him, pressing his visor against his. ‘Brace yourself!’ The shock wave pushed them violently towards the rock face, and then they were pulled back again over the lava lake by the implosion. Jack held on to Costas with one hand and finned with all his strength back towards the rock-cut door. He seemed to be getting nowhere, as if this were a bad dream, the door impossibly beyond his reach. Then the sucking force of the implosion miraculously relented, and they came to the ledge below the door.
‘What the hell was that?’ Jack said, panting.
‘Phreatic explosion.’ Costas’ visor fogged up as he struggled to regain breath. ‘It happens on land when lava flows over pockets of water, superheating it. Somehow that big bubble of gas under the surface of the lava must have had the same effect, sucking in water, encasing it and boiling it up.’
Jack stared up at the carved lintel above the doorway in front of them. Costas followed his gaze, panting, then he saw what Jack had seen. ‘Symbols. Ancient writing. Is this what you saw before?’
‘It’s fantastic.’ Above the doorway was the rectilinear Atlantis symbol, with other symbols on either side, familiar from the syllabry they had discovered five years before but not yet translated. They looked freshly carved, as if done just before the flood, and several looked only partly completed. Beneath them Jack could make out other symbols, very eroded and clearly much older, some of them looking as if they had been partly chiselled away. He activated his camera. There was no time for detailed recording now. He was jittery with adrenalin, and checked his computer readout. Fifteen minutes of breathing gas left at this depth. He was conscious that the danger had made the reflective part of his mind shut off in the focus on survival, on dealing with each new threat as they encountered it, and that he needed to maintain an awareness of the bigger picture, of just how close they had come to never leaving this cavern alive. He stared at the entrance. He would need five minutes, just to look. With the lava rising inexorably, it was the last chance before whatever lay inside there was lost forever.
‘Jack, you’ve got a problem.’
‘What is it?’
‘Check your internal temperature readout.’
Jack looked sideways inside his helmet, scanning the digital readout. ‘Twenty-six degrees Celsius. I thought it was getting a little warm. I’ll adjust the thermostat.’
‘Don’t do that yet. Wait till you really need it. You’ll blow the system.’
‘What do you mean?’
‘It must have been the heat when we were close to the lava. You’ve got a leak from your coolant reservoir, Jack. You can’t afford to be that close to extreme heat any more, as you’ll soon have no way of cooling down.’
Jack shut his eyes, trying to control his breathing. For a moment he felt nauseous, a flutter in his stomach, the sickening feeling of the walls closing in. Part of him wanted to swim up and dump his air against the ceiling, to create a pocket where he could rip off his helmet and be free, but he knew that to do so would only be a brief illusion of normality in an air space that would feel far more confined than the water below. He swallowed hard. Keep focused. He sucked on his water tube, then looked into the doorway and tried to ignore the lava, which was rising up the rock face below at an alarming rate. Costas had already unzipped his front pocket and disgorged the ROV, which he was testing like a remote-controlled helicopter. Jack realized where the nickname Little Joey had come from. It looked like a miniature robotic kangaroo, with hind legs, a swivelling video aperture for a head and a tethering cable for a tail, leading to a spool on Costas’ chest. The robot craned its neck around and peered at Jack with its single video eye, and then jetted back to Costas, hovering in the water in front of him. Jack swam ahead to the door entrance, then switched on his helmet lights. ‘I’m going in. Five minutes, no more.’
Costas put a hand on the ROV’s neck. ‘Little Joey will be following you. He can send back remote signals, but I’m keeping him on the tether in this place. If you see anything, hold him like I am and put him on to it. Remember, I’m seeing what he sees on the screen inside my visor. Just point and I’ll drive him forward. Then you come out, pronto.’
Jack stared at the ROV, its single camera eye encased in a sphere of glass. It angled its head around and looked at him, the black lens cap half-down like an eyelid. He realized that he was cocking his own head in the same way, as if they were querying each other. He shook his head in disbelief at what he had just done and looked away. The ROV was not alive. ‘Roger that.’
‘Remember what Macalister said. No disappearing down holes.’ Costas’ voice crackled. ‘That electromagnetic inte
rference is increasing again. There must be a lot of ferrous material in the lava here. I may be out of contact with you.’
Jack surged forward, passing through the entrance and finning down the rock-cut tunnel. After about ten metres the tunnel became a T-junction. Jack stopped and checked his remaining time. Four and a half minutes. It had to be one or the other. The ROV came up alongside him and angled to the right, illuminating the passage. Costas’ voice crackled on the intercom. ‘Jack, give me a confirmation on what you see. I think I’m looking at another entranceway.’
‘That’s an affirmation. But there’s one on the opposite side too.’
‘Little Joey’s pointing the way. Left would take you to the surface of the volcano, now under tons of lava. Right would take you towards the location of that open-air platform we saw five years ago, a more likely place for some kind of sanctuary.’
Jack heard crackling as Costas tried to say more, and then a low hum. Whatever it was that was causing the interference, this place was the epicentre. He had no time to weigh up the options. He swerved right and followed the ROV into the passageway, kicking hard to get beyond it. He swam about ten metres further, then followed the passageway as it veered left. Ahead of him the tunnel was partly blocked with rough-hewn squared stones that looked as if they had been hastily assembled. Whatever it was that had been beyond there on the eve of the flood seven thousand years ago, somebody had wanted it cut off. An aperture still remained, big enough for someone unencumbered to crawl through, but not big enough for a diver with gear. Jack rolled sideways to fit the hole and shoved his head through, his headlamp angled upwards. It was a chamber, maybe eight metres across. He could see jagged protrusions of lava from the eruption five years ago, visible beyond another wall of crude masonry that blocked what must have been the open front of the chamber, clearly a cave in the face of the volcano. He twisted to the left, lying on his back, and saw that the opposite side was natural rock, a wide opening that extended inwards. Big multifaceted crystals of quartz were visible in the wall just to his right. He flicked on his helmet video camera, moving his head from side to side to ensure maximum coverage, then struggled to twist around until he was lying on his front. He strained to raise his head up, angling the lamp as high as he could, then he froze with horror.
The Gods of Atlantis Page 6
