It's because of the tectonic plates around the world. When these move under the surface of the Earth it causes an Earthquake and at the point they move is the epicentre. Where the plates meet is where you are more likely to get Earthquakes, for example, one plate line is along the West of of America and another is around Japan that's why San Francisco is likely to have earthquakes and also Japan.
It is likely that more earthquakes will happen in California in the future, as it is a seismically active region. However, it is impossible to predict exactly when or where they will occur. It's important for residents to be prepared and have a plan in place for earthquake safety.
Earthquakes happen when the Earth's crust shifts violently. So if we know that an earthquake has happened in California, then scientist know that the crust under California is unstable, therefore making earthquakes more likely to happen there. Earthquakes can happen anywhere, but the tend to happen repeatedly in certain spots
Earthquakes are unpredictable and can happen at any time. However, it is impossible to know exactly when or where the next earthquake will occur. It is important to be prepared and follow safety precautions in earthquake-prone areas.
The Earth is 70% ocean.
more than a thousand each year
Earthquakes that happen in shallow water cause tsunami and other side affects like landslides.
more techtonic plate coliding in California
it means earthquakes will happen more often
it means earthquakes will happen more often
hurricanes don't happen as often as earthquakes
In Nepal they've found that more earthquakes happen in the northern hemisphere's winter. A few articles say this is due to increased rain fall, but I think it has more to do with the northern hemisphere reaching full solar aphelion (cloest point of orbit) in early January. This closer proximity to the sun exerts a huge gravitational pull on earth, triggering earthquakes.
Australia is in the middle of a tectonic plate, and earthquakes happen at the edges of these plates.