Large Moment Magnitude (Mw) Earthquake Archive


May 1990


Total Number of Mw >6.0 Earthquakes per Month = 22

Cumulative Number of Mw >6.0 Earthquakes per Year = 66



Total Number of Mw >7.0 Earthquakes per Month = 5

Cumulative Number of Mw >7.0 Earthquakes per Year = 10

Date

Time

Lat

Lon

Depth

Mw

? Location
May 01

1221

58.84N

156.85W

211

6.6

ALASKA PENINSULA
May 02

2250

5.60S

150.16E

816

6.5

NEW BRITAIN REGION
May 08

0001

6.90N

82.62W

96

6.5

SOUTH OF PANAMA
May 09

0421

56.38S

27.05W

112

6.0

S. SANDWHICH IS. REGION
May 11

1310

41.82N

130.85E

578

6.3

May 12

0450

49.03N

141.84E

605

7.2

May 13

0423

40.29S

176.06E

206

6.4

NORTH IS., NEW ZEALAND
May 14

2134

35.92S

71.41W

759

6.2

May 15

1425

36.04N

70.42E

113

6.0

May 15

1831

1.15N

123.86E

297

6.0

*

May 20

0732

18.10S

175.13W

232

6.3

May 20

0953

32.50S

179.62E

345

6.1

*

May 20

0222

05.12N

32.14E

149

7.2

SUDAN
May 22

1325

36.29S

97.87W

330

6.1

*

May 24

1934

5.27N

31.82E

165

6.5

*

SUDAN
May 24

2O00

5.35N

31.84E

160

7.1

*

SUDAN
May 24

2OO9

7.36S

120.36E

588

7.1

*

FLORES SEA
May 29

1831

56.95N

153.56W

247

6.1

*

May 30

O234

6.01S

77.22W

242

6.6

NORTHERN PERU
May 30

1O4O

45.84N

26.66E

89.3

7.0

*

ROMANIA
May 31

OO17

45.81N

26.76E

88.2

6.3

*

ROMANIA
May 31

0735

17.26N

100.70W

226

6.0

Source: U.S. Geological Survey, National Earthquake Information Center; Harvard Geophysical Observatory, Harvard University (magnitudes with " * " are HRV).

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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