7.6 Magnitude Earthquake in Caribbean Triggers Tsunami Advisory

A 7.6 magnitude earthquake struck the western Caribbean, leading to a tsunami advisory for the Cayman Islands. Residents were advised to evacuate to higher ground. Puerto Rico and the US Virgin Islands were later declared safe. The US Geological Survey reassessed the earthquake’s magnitude from an initial 8.0 to 7.6, noting limited exposure to the shaking.

A 7.6 magnitude earthquake occurred in the western Caribbean on Saturday evening, prompting the issuance of a tsunami advisory. The advisory was specifically directed at the Cayman Islands after Puerto Rico and the US Virgin Islands were determined to be safe. The US Geological Survey reported that the earthquake struck at 6:30 PM local time, with a depth of approximately 6 miles and located about 130 miles south-southwest of George Town, Cayman Islands.

The Cayman Islands Hazard Management Agency issued a statement advising residents near the coastline to move inland. They warned that tsunami activity could arise within an hour of the advisory. The agency cautioned that although tsunami waves might measure only 1.5 feet, their effects could be dangerously extensive, reaching widths of 50-60 miles. Additionally, Cuba was noted to be under a tsunami threat, with potential waves varying from 3 to 10 feet in height, except in certain areas.

Initially, the National Weather Service issued an advisory for Puerto Rico and the Virgin Islands, urging immediate action due to the threat of dangerous waves and currents. Governor Jenniffer González Colón of Puerto Rico strongly recommended that residents evacuate the water, especially from the west and south coasts of the island. She reiterated that while no significant impact was expected, it was crucial for safety that individuals remain out of the water until further notice.

The US Geological Survey initially rated the earthquake at 8.0 before re-evaluating it to 7.6, asserting that “little or no population” experienced the shaking. The agency noted that significant earthquakes are not unusual at this plate boundary, having recorded ten or more magnitude 6 events over the past century. One notable incident was the January 10, 2018, earthquake, which measured 7.5 and resulted in minor damage and a small tsunami.

The expansive nature of the underwater geography helped to limit potential damage from these earthquakes, according to the USGS. This earthquake, while concerning, falls within the region’s historical seismic activity, illustrating the need for preparedness and appropriate responses to natural threats. The situation is under constant review by relevant authorities.

The Caribbean region is seismically active due to the complex tectonic dynamics surrounding the Caribbean Plate. The presence of multiple fault lines increases the likelihood of significant earthquakes. Historically, the region has experienced numerous earthquakes of various magnitudes including those that have led to tsunami warnings. Awareness and preparedness to respond effectively to such events are critical in minimizing risks to local populations.

In conclusion, the recent 7.6 magnitude earthquake in the Caribbean underscores the seismic risks faced by the region. The issuance of tsunami advisories, particularly for the Cayman Islands while advising Puerto Rico and the US Virgin Islands to exercise caution, demonstrates the importance of precautionary measures. Continuous monitoring and timely information from authorities can aid in managing potential threats to safety during such geological events.

Original Source: www.firstpost.com