Massive Earthquake Hits Japan, Aftershocks Expected to Continue
In the early hours of the morning, Japan was struck by a powerful earthquake with a magnitude of 7.5. The earthquake, originating from a relatively shallow depth of six miles, rattled the western coast of the country. The aftershocks were felt for miles, causing widespread concern amongst the residents.
Seismologist Maureen Long, the chair of Earth and Planetary Sciences at Yale University, shed some light on the situation. Long explained that aftershocks are expected to persist for an extended period of time, possibly lasting for days, weeks, or even months. This is typical for earthquakes of this magnitude, and residents in the affected areas are advised to remain vigilant and prepared for potential further aftershocks.
Although the most common scenario suggests that the largest aftershock would be one point lower on the magnitude scale, there is a slight chance of a larger earthquake occurring. Long emphasized that it is not the most likely scenario but cannot be ruled out entirely. Thus far, approximately a dozen aftershocks measuring five or greater on the magnitude scale have already been recorded, with the largest reaching a magnitude of 6.2.
Officials have canceled tsunami warnings but have issued tsunami advisories due to the continuation of aftershocks. Long reiterated that caution should be exercised as there is a possibility of another tsunami being triggered if a sizable aftershock were to occur. The initial tsunami waves caused by the main shock reached several feet along the west coast of Japan, highlighting the potential danger that remains.
The depth of an earthquake plays a significant role in its impact. Shallow earthquakes, such as this one, are more damaging compared to deeper ones. With this earthquake occurring close to the surface, the population and infrastructure experience stronger shaking, leading to an increased risk of damage. Additionally, shallow underwater earthquakes also pose the potential for tsunamis, as demonstrated in this event.
In comparing this earthquake to the devastating 2011 earthquake that led to the Fukushima nuclear disaster, it is crucial to note the size and location differences. The 2011 earthquake registered as a magnitude nine, over ten times larger than the recent earthquake. Furthermore, the east coast of Japan, unlike the western coast, resides near a subduction zone known for producing massive earthquakes. Although damaging earthquakes can still occur along the west coast, the magnitude nine earthquakes commonly associated with subduction zones are less likely.
Maureen Long expressed that learning from such events is crucial. Japan's high level of earthquake awareness and preparedness serves as an example for earthquake-prone regions worldwide. She emphasized the importance of knowing what to do during earthquakes, having emergency plans and preparedness kits readily available. Being aware and proactive can greatly assist in managing natural disasters when they inevitably occur.
As Japan rebuilds and recovers from this recent earthquake, the lessons learned will undoubtedly play a crucial role in ensuring the safety and resilience of the country in the face of future natural disasters.
