1930 Curuçá River event
Coordinates: 5°1′S 71°38′W / 5.017°S 71.633°W
The 1930 Curuçá River event was a meteoric air burst that occurred on 13 August 1930 over the area of Curuçá River in Brazil.
The event received little attention until 1995, when British astronomer Mark E. Bailey found in the Vatican Library archives a 1931 issue of L'Osservatore Romano, which contained a dispatch from the Franciscan monk Fedele d'Alviano. D'Alviano had visited the region five days after the event and interviewed people from the region; they told him they were frightened of what had happened. According to Bailey, the Curuçá event was one of the most important impact events of the 20th century. Investigation of the data from the event suggests the meteor may have been related to the Perseid meteor shower, which occurs every August, peaking on 12 August.
Inspired by Bailey's article and based on images from Landsat satellites, the Brazilian astrophysicist Ramiro de la Reza was able to identify a potential astrobleme—the remains of a meteorite impact crater—measuring 1 km in diameter, to the southeast of the village of Argemiro.
The Brazilian government has not organized a qualified expedition to investigate the event. Only a religious missionary and a small TV-financed expedition have investigated the event.
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