(4.9 Mb) -

The 4.9 mb Caraíbas–Itacarambi Earthquake: A Rare Intracratonic Event

Ensuring infrastructure can withstand rare but possible tremors. (4.9 MB)

The "mb" in 4.9 mb stands for . This scale measures the P-waves (primary waves) that travel through the interior of the Earth. It is specifically useful for deep-focus earthquakes or those occurring at distances where other scales might be less accurate. 4. Why This Matters Today (4.9 MB)

The epicenter was near Itacarambi, in the São Francisco Craton area. (4.9 MB)

At a magnitude of , the quake was powerful enough to cause significant local concern.

Researchers continue to study the Caraíbas–Itacarambi earthquake to improve hazard maps for Brazil. Understanding these "sleeping" faults helps in: