A strong earthquake rattled Istanbul, Turkey, and neighboring regions, sending panicked people pouring into streets but apparently causing no major damage.

ISTANBUL (AP) — An earthquake with a preliminary magnitude of 6.2 shook Istanbul and other areas on Wednesday, Turkey’s disaster and emergency management agency said. There were no immediate reports of serious damage or injuries in the metropolis of 16 million.

Many Istanbul residents have spent the night outdoors, too fearful to return to their homes, following a strong earthquake and over 180 aftershocks