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M6.9 earthquake, Argentina, 2005-03-21

MagnitudeM6.9mwb

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Depth579 km

Time (UTC)2005-03-21 12:23

Rank in 200512 / 150among M6+

Rank since 19001947 / 14,458

Energy vs an M6×22approx.

67 km ENE of Joaquín V. González, Argentina · -24.98, -63.47

M5.5+ within 100 km in the next 30 days

Event	Time (UTC)	Depth	Place
M6.4 2005-03-21	2005-03-21 12:43	570 km	59 km ESE of Apolinario Saravia, Argentina

M6.5+ within 300 km (largest first)

1991 M7.3M7.3

1962 M7.2M7.2

1950 M7.1M7.1

1916 M7.1M7.1

2011 M7.0M7.0

1948 M6.9M6.9

2005 M6.9M6.9

2006 M6.8M6.8

2023 M6.8M6.8

1967 M6.7M6.7

1959 M6.6M6.6

1994 M6.5M6.5

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.1 2004-11-12	2004-11-12 06:36	569 km	36 km NNW of El Hoyo, Argentina
M6.5 1994-08-19	1994-08-19 10:02	564 km	46 km NNW of El Hoyo, Argentina
M7.3 1991-06-23	1991-06-23 21:22	558 km	27 km NNW of El Hoyo, Argentina
M6.5 1989-02-28	1989-02-28 13:01	569 km	86 km E of General Enrique Mosconi, Argentina
M6.0 1987-11-06	1987-11-06 18:47	538 km	32 km SE of General Mosconi, Argentina
M6.0 1977-02-04	1977-02-04 07:46	549 km	70 km ESE of Apolinario Saravia, Argentina
M6.7 1967-09-09	1967-09-09 10:06	580 km	39 km NNE of Suncho Corral, Argentina
M6.2 1967-01-17	1967-01-17 01:07	591 km	34 km S of El Hoyo, Argentina
M6.3 1966-12-20	1966-12-20 12:26	578 km	57 km SSE of Taco Pozo, Argentina
M6.3 1964-12-09	1964-12-09 13:35	583 km	41 km S of El Hoyo, Argentina

Energy ratio uses the rule that one magnitude unit is about 32 times the energy. Magnitudes and locations are USGS values and can differ from national agencies. Older records are less complete and less precise.