Experts Warn of Impending Mega-Earthquake on San Andreas Fault

A mega-earthquake along California’s San Andreas Fault is expected within 30 years. With a possible magnitude of 8, it could lead to about 1,800 deaths and $200 billion in damages. Experts stress the unpredictability and urgency of preparing for potential catastrophic effects as such events historically occur every 150 years.

Experts warn of an impending mega-earthquake along California’s San Andreas Fault, with a significant event anticipated within the next 30 years. This fault spans approximately 800 miles and is overdue for a catastrophic earthquake estimated to reach a magnitude of 8. Projections indicate that such an event could result in 1,800 fatalities, 50,000 injuries, and around $200 billion in damages according to estimates from the Great California Shakeout, although experts suggest this may be conservative.

Geological assessments show that massive earthquakes on the San Andreas Fault occur approximately every 150 years, with the last significant event occurring 167 years ago. Experts like Christie Rowe of the Nevada Seismological Laboratory emphasize the unpredictability of such earthquakes, asserting that while they could happen at any moment, there remains potential for a delay of up to 300 years. “We want people to know that this could happen at any time,” Rowe stated.

The initial ground shaking will commence within the first 30 seconds of the earthquake, with locations up to 60 miles from the epicenter experiencing intense shaking rated at level 9. This degree of shaking is classified as violent and poses significant risks, including building collapses and structural failures, as indicated by the United States Geological Survey.

If the epicenter is near the Salton Sea, Los Angeles could experience level 2 to 3 shaking about 45 seconds after the rupture. High-intensity tremors could further escalate after 75 seconds, intensifying the shaking to level 9 at roughly 90 seconds post-event. Violent shaking may persist in Los Angeles for at least one minute, likely leading to extensive damage and casualties.

Rowe highlights the scale of potential destruction, noting that “the magnitude of damage is so great that it’s not trivial to prepare for it.” Addressing the consequences of this seismic event is crucial for minimizing loss of life and damage to infrastructure.

The forecasted mega-earthquake along the San Andreas Fault poses a significant threat within the next 30 years, with potential for catastrophic consequences including substantial fatalities and damages. Experts emphasize preparation, understanding the unpredictability of seismic events, and the urgency of raising awareness to mitigate the impact of the anticipated disaster. Awareness and preparedness are critical to reducing the inevitable destruction this natural phenomenon could cause.

Original Source: www.dailystar.co.uk