Evacuation of the areas was essential for every citizen. FEMA was already drafting plans for removal of such structures, and trucking corporations — even from outside the areas — were to be sequestered by the Government in order to support the evacuation. Railroad stock, both passenger and freight, would be put on standby.
In the meantime, Arnold Morgan pondered the difficult question of how to persuade the awkward and noncooperative French to shut down the European GPS satellite Helios for a couple of days. The question was kicked back and forth in the Oval Office for three entire hours.
Finally, it was decided to make a formal request via the Master Control Station in Colorado, direct to the French Government, to close the satellite down for forty-eight hours, in accordance with the U.S. closure. This would be necessary in order to test significant improvements in the system, which would of course be shared, ultimately, with the Europeans.
All three Admirals agreed this would receive a resounding non from their counterparts across the ocean. And at this point, the U.S. would come clean about their real reason for the GPS blackout.
Arnold Morgan had scientific data showing the presumed path of the tsunami, fanning out from the opening landslide all the way to the nine-hour hit zone along the U.S. East Coast. In three hours, the tidal wave would be a wide crescent in the middle of the Atlantic, but also would head north, with gigantic tidal waves already in the Bay of Biscay.
According to the scientists, the tsunami would likely thunder into the French naval headquarters of Brest, three hours and thirty minutes from the initial impact. The tidal waves would not be as great as those crossing the Atlantic, but they would form a 50-foot-high wall of water that would hammer its way onto the rugged western tip of France.
The Americans knew they would have to explain the terrorist threat in some detail to the French, but that was unavoidable if they were to hunt down the Barracuda before it wiped out New York.
The sight of Arnold Morgan’s tsunami maps was a chilling reminder of the reality of this wave of destruction. The Cumbre Vieja represented a rare geological time bomb, able to ravage countries on the other side of the world. Recent research into the last known mega-tsunami caused scientists to look carefully at the seabed around Hawaii, and they were astounded at what they discovered — the gigantic remains of ancient landslides, millions of years old. The tsunami’s first landfall to the west would be the northern coastline of Brazil, six hours after impact, waves 120 feet high. One hour later, the tsunami would swamp the Bahamas and the outer islands of the Caribbean.
Two hours after that, the gigantic wave would roll straight up Massachusetts Bay, and Boston would be hit by a 150-foot-high wave that would probably sweep away the entire city. The tsunami would then thunder onto the U.S. coast, hitting New York next, then Philadelphia, followed by Washington, and onto the mainly flat coastline of the Carolinas, Georgia, and Florida, all the way to Miami and the Keys.
Arnold Morgan’s dossier of recent studies estimated that the first wave could be 2,000 feet high a half-mile west of La Palma, following the mammoth splash caused by maybe a half-trillion tons of rock crashing into the water at 200 mph. Traveling at high speed, 160 miles in the first ten minutes, the wave would weaken as it crossed the ocean, but it would definitely still be 150 feet high when it hit the Eastern Seaboard of the United States.
On the other side of the Atlantic, the shores of the western Sahara would receive waves of 300 feet, from crest to trough, although there would be shelter in the eastern lee of the bigger Canary Islands, Fuerteventura and Lanzarote, depending on where you found yourself as the tidal wave developed.
The scientists were also unanimous that a mega-tsunami off the Canaries, caused by a sudden volcanic eruption, would be the highest wave in recorded history. Even the south coast of Great Britain, though not in its direct path, would still be subject to serious flooding.
In world geohazard opinion, right there, laid out on Arnold Morgan’s reclaimed office table, the Cumbre Vieja was an absolute certainty to be next. Everything was ideal for mass destruction — the towering peaks of the mountain range, the colossal height, the depth of the ocean, the sonorous rumbling of the volcanoes. The last explosion, some sixty years ago in the South Crater, proved it was all still active, and that the molten lava was not so very far below the surface. The underground lakes were ready to boil over at the instant of eruption. And of course there was the enormous fracture-line crack in the cliff, which had already caused a 10-foot shift in the rock face high above the ocean.
The newest report pointed out, thoughtfully, that the last time a volcano erupted with anything like the tsunami potential of Cumbre Vieja was 4,000 years ago on Reunion Island, a French territory since 1643, situated 420 miles east of Madagascar in the Indian Ocean.
A report from the Swiss Federal Institute of Technology, which had high-tech facilities to re-create model waves created by landslides, stated flatly, “If the Cumbre Vieja were to collapse as one single block, it would lead to a mega-tsunami.”
So far as the scientists understood, the volcanoes on the southwest flank of La Palma erupted about every two hundred years. And there was no evidence that one single eruption would cause the landslide. In fact, it might take five eruptions. There was, of course, no section in the report that dealt with the probable effects of a couple of 200,000-ton nuclear warheads blowing up in the middle of the Cumbre Vieja crater.
Admiral Morgan had another fearsome little aid to his presentation — a two-foot-square, 18-inch-high scale model of the volcanoes on the southwest corner of La Palma. It came from the University of California and had been flown in to Andrews by the U.S. Air Force, arriving at the White House by helicopter.
The model showed the seabed to the top of the peaks, the steeply sloping volcanic cliffs falling away from the mountains, way down below the surface of the water. The shoreline was marked, highlighting the sudden sweep of the land into the depths. It showed the probable zones of the landslide on the seabed, and it starkly illustrated the tremendous impact such an avalanche would create upon the water.
On the top of the model were the great peaks of Caldera de Taburiente, Cumbre Nueva, and just below them, Cumbre Vieja, sitting atop a massive craggy rock wall 2,000 feet above the ocean, which, the model showed, shelved down to a 4,000-foot depth.
“Jesus Christ,” said Admiral Doran. “That puts a pretty sharp light on it, eh?”
“Just look at the position of the Cumbre Vieja, perched up there on top of the wall,” said Arnold. “Just imagine what a nuclear bomb could do…Holy Shit! We gotta find this bastard!”
“I’ve just been reading a damn good book by Simon Winchester about Krakatoa,” said Admiral Dickson. “Been meaning to read it for years. That was one hell of an explosion…goddamned mountain blew itself to pieces, punched a damn great hole in the ocean, wrecked three hundred towns and villages, and killed 36,000 people. And you know what? Almost all the destruction, and absolutely all of the death, was caused by the tsunami. And the son of a bitch was nothing like the size of the one we’re looking at.”
“Jesus, Alan. You’re making me nervous,” said Arnold. “But I guess we have to face the reality, otherwise we’ll all end up under medical supervision at Camp David.”
“Okay,” said Alan Dickson. “We’ve dealt with the President. We’ve taken care of the French. Nearly. Now we’re about ready to sort out the ships. Maybe Frank could give us a rundown on the Atlantic Fleet as it stands.”