Popular belief holds that the danger of an earthquake is measured solely by its magnitude. However, geophysics and the records from 2026 demonstrate a more complex and alarming truth: in the anatomy of an earthquake, the vertical distance between the epicenter and the surface is the variable that determines the boundary between a passing scare and a humanitarian tragedy.
During the first eight and a half months of 2026, the planet recorded 11 earthquakes of magnitude 7.0 or greater on the moment magnitude scale (Mw), which measures seismic moment based on the surface area of the fault and the displacement of the rocks. According to data from the United States Geological Survey, these events ranged from Southeast Asia and the Pacific to Latin America.
A cross-analysis of the energy released, the hypocentral depth, and the impact on infrastructure reveals that the Earth's violence does not always translate into destruction, and that urban vulnerability continues to make the difference. In other words, the factor that separated a scare from tragedy was almost never the brute force of the fault. It was the distance between the wound and the planet's surface.
A snapshot of a seismic year
Between February and August, the map of major earthquakes in 2026 reveals a recognizable pattern: Malaysia in February, Tonga and Vanuatu in March, Indonesia and Japan in April, the Philippines in June, two earthquakes in Venezuela that same month, Mexico in July, Colombia on August 10, and just four days later, a second earthquake in Indonesia that closes—for now—the count for the year.
| Date | Location / Territory | Magnitude (Mw) | Depth |
|---|---|---|---|
| February 22–23 | (Sabah Malaysia | 7.1 | 629 km |
| 24 March | Neiafu Tonga | 7.5 | 229,5 km |
| 30 March | Luganville Vanuatu | 7.3 | 116 km |
| April 1–2 | Ternate Indonesia | 7.4 | 35 km |
| 20 Apr | Sanriku Japan | 7.4 | 35 km |
| June 7–8 | Mindanao Work shirts / service shirts | 7.8 | 55 km |
| 24 Jun | San Felipe (Yaracuy) Venezuela | 7.2 | 20 km |
| 24 Jun | La Guaira Venezuela | 7.5 | 10 km |
| 17 jul | Chiapas Mexico | 7.3 | 10 km |
| 10 needle | Choco Colombia | 7.4 | 107 km |
| 14 needle | Ende (Flores) Indonesia | 7.7 | 10 km |
Eight of the eleven events—Malaysia, Tonga, Vanuatu, Indonesia (on two separate occasions), Japan, the Philippines, and Mexico—occurred within or along the edges of the Pacific Ring of Fire, the subduction zone where most of the planet's strongest seismic activity is concentrated. In that sense, it is a statistically ordinary year: the historical global average is around 16 earthquakes of magnitude 7.0 or higher per year, so eleven events through mid-August are not, in themselves, evidence of an anomalous increase in global seismic activity.
What breaks the pattern is the Caribbean. The Venezuelan sequence of June—two shallow earthquakes on transform faults, the San Sebastián–Boconó system, at the edge of plates where the Caribbean meets South America—accounted for the vast majority of the year's fatalities, far exceeding any other event, despite not being the strongest or deepest.
A month later, on August 10, Colombia added its own chapter to that same region of the planet: a magnitude 7.4 earthquake near San José del Palmar, in Chocó, described by the Colombian Geological Service as the largest earthquake recorded in the country so far in the 21st century, which has already claimed the lives of 265 people and the material damage continues to be quantified.
And while everyone was focused on Colombia, on Friday, August 14, at 21:58 p.m. (Caracas time), a magnitude 7.7 earthquake struck Indonesia again, this time in the Flores region, 68 kilometers northwest of the city of Ende. The U.S. Geological Survey located the hypocenter at a depth of just 10 kilometers—a textbook shallow event—and the Indonesian Meteorological and Geophysical Institute (BMKG) immediately issued a tsunami warning for several provinces along the eastern coast. The country's disaster management authorities confirmed at least 47 deaths by Saturday morning, with rescue teams still unable to reach Nagekeo, the town closest to the epicenter, due to landslides blocking access roads. The death toll, they warned, would continue to rise. It was, in just a few hours, the latest confirmation of the central theme of this report: high magnitude, minimal depth.
The calendar also tells its own story: a first quarter dominated by intermediate or deep focus earthquakes in the Pacific —Malaysia in February, Tonga and Vanuatu in March—, followed by a string of shallow and deadly events concentrated between June and August in the Philippines, Venezuela, Colombia and Indonesia.
The kilometers that separate a scare from a disaster
In the early morning of February 23, at 12:57 a.m., in the South China Sea, off the coast of Sabah, Malaysia, the Earth's crust unleashed a 7.1 magnitude earthquake. The tremor was real: it was felt in towns in Sabah, Sarawak, Brunei, and even in skyscrapers in the capital, Singapore, more than 500 kilometers away. But no one died. There was no significant damage.
The U.S. Geological Survey located the epicenter less than 100 kilometers from Kota Kinabalu, at a depth of 619,8 kilometers—a figure that other agencies place at around 629 kilometers. The U.S. Tsunami Warning Center was clear: the depth of the earthquake meant that no tsunami activity was expected.
This very depth explains why the streets of coastal cities and the population barely felt a gentle tremor. The hypocenter was located so deep within the Earth's mantle that the dense rock absorbed and dispersed most of the energy before the waves reached the crust.
A day later, planetary physics showed its opposite side. At 6:04 pm, on the other side of the world, in the state of Yaracuy, the earth shook again. This time the earthquake registered a magnitude of 7.2. 39 seconds later, a second earthquake, of magnitude 7.5, shook the same state of La Guaira, with a hypocenter just 10 kilometers deep.
The two events form what seismologists call a "seismic doublet": almost identical epicenters, nearly twin waves, the strongest earthquake Venezuela has ever suffered, which experts say could be the release of residual tension from the 1900 earthquakeThe official tally shows that the number of dead stands at 6.301 and the number of injured exceeds 16, with more than a thousand buildings collapsed or damaged.
From these two events, we can conclude that, despite having the same magnitude, they had radically different outcomes. Therefore, we will now explain three variables to consider in order to understand the level of destruction caused by earthquakes.
Magnitude: a scale that deceives the eye
The moment magnitude scale is logarithmic or exponential, not linear. Each increment of one whole point represents about 32 times more energy released. This means that the difference between a 7.1 and a 7.8—which at first glance seems modest—is actually enormous: the Mindanao, Philippines earthquake of June 8, with a magnitude of 7.8, released almost 11 times more energy than the Sabah earthquake, with a magnitude of 7.1. It was, in fact, the strongest earthquake recorded on the planet so far in 2026.
Depth: the true decision-maker
This is the variable that truly determines whether an earthquake goes down in history as an anecdote or a tragedy. When the hypocenter is between 0 and 70 kilometers deep—what is known as a shallow earthquake—the destructive wave reaches the surface almost without losing force. When it exceeds 300 kilometers—as happened off the coast of Sabah, at 629 kilometers—it travels through hundreds of kilometers of the Earth's mantle, a mass of rock that absorbs and disperses much of that energy before it reaches cities. The mantle acts, in practice, as a giant natural shock absorber: people feel the swaying, lamps move, but buildings rarely collapse.
The two earthquakes in Venezuela in June were at the opposite end of that scale: 20 kilometers for the first, barely 10 for the second. Power was restored virtually unaffected to Caracas, La Guaira, and neighboring states.
Vulnerability: the variable that does depend on us
The two previous factors are pure, unchangeable physics. The third, however, is the only one over which societies have some control: soil type, urban density, and construction quality. The August 10th earthquake in Colombia—magnitude 7.4, with an intermediate-focus hypocenter at a depth of approximately 107 kilometers, near San José del Palmar in the Chocó region—serves as a reminder that even earthquakes that are not extremely shallow can cause significant damage when the wave travels through soft soils or reaches buildings lacking earthquake-resistant construction. It is precisely this variable that separates a drill from a catastrophe when geography has already worked against us.
Three earthquakes, three different physics
Shortly after midnight, thousands of people in northern Borneo, in Southeast Asia, felt the ground shake. It was, according to experts, the strongest earthquake to hit Malaysia in over a decade. And yet, the emergency response was almost anticlimactic: “So far, no emergency calls related to the earthquake have been received,” reported the Sabah fire and rescue operations center a few hours later. The explanation lies 629 kilometers underground: at that depth, within the upper mantle, seismic energy dissipates before it can cause destruction. It was this same physical phenomenon—not luck—that prevented this 7.1 magnitude earthquake from becoming a tragedy comparable to other earthquakes of similar magnitude but much shallower depths.
Shortly before 7:40 a.m., a magnitude 7.8 earthquake—the most powerful of the year anywhere on the planet—struck off the southern coast of Mindanao, near the province of Sarangani, Philippines. Unlike the Sabah earthquake, this one had a relatively shallow focus underwater, and that combination was enough to generate a tsunami: waves up to 1,48 meters high reached the coast of Sarangani, with smaller swells recorded as far away as Indonesia and Japan. On land, the quake toppled buildings in General Santos, a city of more than 700.000 inhabitants, and struck on the very first day of the school year. The death toll, according to later reports, exceeded forty, with several hundred injured, in addition to thousands of families evacuated due to the tsunami threat and an intense series of aftershocks.
In Venezuela, the three variables converged in their worst possible combination: high magnitude, minimal depth, and a densely populated region. The first earthquake, of magnitude 7.2, struck near San Felipe, in Yaracuy state; thirty-nine seconds later, the second, of magnitude 7.5, with its epicenter off the coast of La Guaira, finished off what the first had weakened. The U.S. Geological Survey described the main earthquake as a shallow strike-slip fault on the complex San Sebastián Fault system, the same tectonic structure that seismologists had already identified as a potential source of future large earthquakes in northern Venezuela. No city—nor any emergency response system—is designed to absorb two earthquakes of that magnitude within half a minute.
Lessons from 2026
Earthquakes don't kill because of their magnitude. They kill because of the combination of three factors that rarely align all at once against a city: how strong the rupture was, how close it was to the surface, and how prepared—or unprepared—the infrastructure was that received it. Sabah showed that a 7.1 magnitude earthquake can go almost unnoticed. Venezuela showed that a 7.2 and a 7.5 magnitude earthquake, shallow and consecutive, can overwhelm the response capacity of an entire region.
From this, the same old lessons emerge, the ones that are repeated every year after each catastrophe: earthquake-resistant building codes that are actually enforced, early tsunami warning systems that reach coastal communities in time, and seismic microzonation that identifies, street by street, where the soil amplifies the danger and where it attenuates it.
The eleven earthquakes of 2026—from the almost anecdotal tremor in Sabah to the double tragedy in Venezuela, including the more recent tragedy in Flores—draw a fairly accurate map of where prevention efforts should be focused before the Earth fractures again. The open question is not whether it will happen again—that is a geological certainty—but whether, by then, those lessons will have been put into practice.
