MeteoriteFalls What fell near…

Vaca Muerta

A find, recorded in 1861 in Chile · 3.8 tonnes recovered · Mesosiderite-A1

Vaca Muerta ranks 18th by recovered mass among the 30,841 meteorite finds with a complete record in NASA’s Meteorite Landings dataset (records to 2013). No other find recorded in Chile is heavier; 402 finds there have complete records. Among stony-iron meteorites it is the second-heaviest find. Only two observed falls recovered more.

200 km400 km600 km12345Palca de AparzoRacoMedanitosSan Pedro de QuilesSanta Lucia (2008)
Recorded position
25.750° S, 70.500° W

Rings every 200 km.

Seen-to-fall neighbours

Medanitos, 342 km to the south-east, is the nearest meteorite that someone saw arrive (1953). In 1861, the year Vaca Muerta entered the record, four meteorites were seen to fall: Butsura in India, Grosnaja in Russia, Cañellas in Spain and one other.

#FallYearClassRecoveredDistance
1Medanitos1953Eucrite-cm31 g342 km south-east
2Raco1957H55 kg514 km east
3San Pedro de Quiles1956L6282 g592 km south
4Palca de Aparzo1988L51.4 kg620 km north-east
5Santa Lucia (2008)2008L64 kg673 km south

Vaca Muerta among other finds

In the record, three finds carry the label Mesosiderite-A1, against three observed falls. The closest fall of the same group (mesosiderite) is Estherville, 8,083 km away in the United States, one of seven such falls. Among the other giant finds, Imilac lies closest: 242 km away. Worldwide, the finds just above and below it are Brenham (4.3 tonnes) and Youndegin (3.8 tonnes).

Finds recorded in Chile, by recovered mass
RankFindClassRecordedRecovered
1Vaca MuertaMesosiderite-A118613.8 tonnes
2ImilacPallasite, PMG1822920 kg

Against the observed falls

falls medianVaca Muerta, 3.8 t1 g10 g100 g1 kg10 kg100 kg1 t10 t100 trecovered mass, log scale
Grey: all 1,063 observed falls, median 2.9 kg (dotted).