Large Moment Magnitude (Mw) Earthquake Archive

March 1997
Total Number of Mw >6.0 Earthquakes per Month = 9
Cumulative Number of Mw >6.0 Earthquakes per Year = 23

Total Number of Mw >7.0 Earthquakes per Month = 0
Cumulative Number of Mw >7.0 Earthquakes per Year = 3

Date Time

Lat

Lon

Depth

Mw
Location
Mar. 07

0303

23.13S

175.82W

7

6.0
* Tonga Islands, South Pacific
Mar. 09

1143

29.75S

71.18W

38

6.2
Central Chile Coast
Mar. 11

0526

31.05S

177.70W

7

6.2
Kermedac Islands, South Pacific
Mar. 11

1922

7.79N

127.42E

8

6.9
* East of Philippines
Mar. 17

1207

6.62S

105.19E

440

6.3
* Kermedac Islands, South Pacific
Mar. 21

0805

31.13S

179.36E

39

6.4
West of Java, Indonesia
Mar. 24

1644

8.95S

71.36W

604

6.0
Western Brazil
Mar. 26

0208

51.26N

179.58E

13

6.6
Rat Islands, Aleutian Islands
Mar. 26

0831

32.43N

130.70E

17

6.1
Kyushu, Japan
Source: U.S. Geological Survey, National Earthquake Information Center; Harvard Geophysical Observatory, Harvard University (magnitudes with " * " are HRV).
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Disclaimer and Limitations
All data are preliminary and subject to change. Much of the information, including time, date, location, depth and magnitude, are determined by automatic processing. Future analysis may develop changes in these data. This data may not be reproduced, in part or in full, or by any form, including re-fax or re-mail transmissions, without prior written authorization from Advanced Geologic Exploration.

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