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Geomagnetic storm information (October 2001)


yGeomagnetic storm observed on 1 October 2001z
Observatory Commencing time Ending time Geomagnetic field Geoelectric field
Type (sudden/gradual) Amplitude of abrupt onset H (nT)
‚g(nT)
Range Range
Hour Minute
(UTC)
Date Time
(UTC)
Horizontal component
H (nT)
Declination
D (arcminute)
Vertical component
Z (nT)
East-west component
(mV/km)
North-south component
(mV/km)
Kakioka 22.1h m 04d 20h gradual 171 -1 62 244 33
Memambetsu 22.1h m 04d 20m gradual 169 -1 51 17 62
Kanoya 22.1h m 04d 20h gradual 200 -1 79 76 22

(*) Time is in UTC (Universal Time Coordinated).
(*) Time is given in 1-minute increments for the sudden commencement type and in 0.1-hour increments for the gradual commencement type.
(*) "-1" is displayed for the range, when it is unknown due to missing measurements, etc.
(*) The range may not be determined for a storm which is followed by the next one before its ending (the ending time is indicated by "C").


Plot of Kakioka 1-minute geomagnetic field for the geomagnetic storm on 1 October 2001.
Plot of Memambetsu 1-minute geomagnetic field for the geomagnetic storm on 1 October 2001.
Plot of Kanoya 1-minute geomagnetic field for during the geomagnetic storm on 1 October 2001.

*) Plot diagram opens in a separate window.



yGeomagnetic storm observed on 11 October 2001z
Observatory Commencing time Ending time Geomagnetic field Geoelectric field
Type (sudden/gradual) Amplitude of abrupt onset H (nT)
‚g(nT)
Range Range
Hour Minute
(UTC)
Date Time
(UTC)
Horizontal component
H (nT)
Declination
D (arcminute)
Vertical component
Z (nT)
East-west component
(mV/km)
North-south component
(mV/km)
Kakioka 17h 00m 12d 24h sudden +49 116 -1 103 380 68
Memambetsu 17h 00m 12d 24m sudden +63 171 -1 47 23 51
Kanoya 17h 00m 12d 24h sudden +54 126 -1 107 111 31

(*) Time is in UTC (Universal Time Coordinated).
(*) Time is given in 1-minute increments for the sudden commencement type and in 0.1-hour increments for the gradual commencement type.
(*) "-1" is displayed for the range, when it is unknown due to missing measurements, etc.
(*) The range may not be determined for a storm which is followed by the next one before its ending (the ending time is indicated by "C").


Plot of Kakioka 1-minute geomagnetic field for the geomagnetic storm on 11 October 2001.
Plot of Memambetsu 1-minute geomagnetic field for the geomagnetic storm on 11 October 2001.
Plot of Kanoya 1-minute geomagnetic field for during the geomagnetic storm on 11 October 2001.

*) Plot diagram opens in a separate window.



yGeomagnetic storm observed on 21 October 2001z
Observatory Commencing time Ending time Geomagnetic field Geoelectric field
Type (sudden/gradual) Amplitude of abrupt onset H (nT)
‚g(nT)
Range Range
Hour Minute
(UTC)
Date Time
(UTC)
Horizontal component
H (nT)
Declination
D (arcminute)
Vertical component
Z (nT)
East-west component
(mV/km)
North-south component
(mV/km)
Kakioka 16h 47m 23d 18h sudden +58 213 -1 95 452 80
Memambetsu 16h 47m 23d 18m sudden +76 279 -1 73 40 143
Kanoya 16h 47m 23d 18h sudden +66 233 -1 83 120 54

(*) Time is in UTC (Universal Time Coordinated).
(*) Time is given in 1-minute increments for the sudden commencement type and in 0.1-hour increments for the gradual commencement type.
(*) "-1" is displayed for the range, when it is unknown due to missing measurements, etc.
(*) The range may not be determined for a storm which is followed by the next one before its ending (the ending time is indicated by "C").


Plot of Kakioka 1-minute geomagnetic field for the geomagnetic storm on 21 October 2001.
Plot of Memambetsu 1-minute geomagnetic field for the geomagnetic storm on 21 October 2001.
Plot of Kanoya 1-minute geomagnetic field for during the geomagnetic storm on 21 October 2001.

*) Plot diagram opens in a separate window.



yGeomagnetic storm observed on 28 October 2001z
Observatory Commencing time Ending time Geomagnetic field Geoelectric field
Type (sudden/gradual) Amplitude of abrupt onset H (nT)
‚g(nT)
Range Range
Hour Minute
(UTC)
Date Time
(UTC)
Horizontal component
H (nT)
Declination
D (arcminute)
Vertical component
Z (nT)
East-west component
(mV/km)
North-south component
(mV/km)
Kakioka 03h 18m 30d 05h sudden +34 199 -1 83 229 44
Memambetsu 03h 18m 30d 05m sudden +38 178 -1 55 15 40
Kanoya 03h 18m 30d 05h sudden +43 233 -1 96 73 25

(*) Time is in UTC (Universal Time Coordinated).
(*) Time is given in 1-minute increments for the sudden commencement type and in 0.1-hour increments for the gradual commencement type.
(*) "-1" is displayed for the range, when it is unknown due to missing measurements, etc.
(*) The range may not be determined for a storm which is followed by the next one before its ending (the ending time is indicated by "C").


Plot of Kakioka 1-minute geomagnetic field for the geomagnetic storm on 28 October 2001.
Plot of Memambetsu 1-minute geomagnetic field for the geomagnetic storm on 28 October 2001.
Plot of Kanoya 1-minute geomagnetic field for during the geomagnetic storm on 28 October 2001.

*) Plot diagram opens in a separate window.



yGeomagnetic storm observed on 31 October 2001z
Observatory Commencing time Ending time Geomagnetic field Geoelectric field
Type (sudden/gradual) Amplitude of abrupt onset H (nT)
‚g(nT)
Range Range
Hour Minute
(UTC)
Date Time
(UTC)
Horizontal component
H (nT)
Declination
D (arcminute)
Vertical component
Z (nT)
East-west component
(mV/km)
North-south component
(mV/km)
Kakioka 13h 48m 01d 21h sudden +19 122 -1 53 131 21
Memambetsu 13h 48m 01d 21m sudden +23 125 -1 26 9 30
Kanoya 13h 48m 01d 21h sudden +21 129 -1 59 36 12

(*) Time is in UTC (Universal Time Coordinated).
(*) Time is given in 1-minute increments for the sudden commencement type and in 0.1-hour increments for the gradual commencement type.
(*) "-1" is displayed for the range, when it is unknown due to missing measurements, etc.
(*) The range may not be determined for a storm which is followed by the next one before its ending (the ending time is indicated by "C").


Plot of Kakioka 1-minute geomagnetic field for the geomagnetic storm on 31 October 2001.
Plot of Memambetsu 1-minute geomagnetic field for the geomagnetic storm on 31 October 2001.
Plot of Kanoya 1-minute geomagnetic field for during the geomagnetic storm on 31 October 2001.

*) Plot diagram opens in a separate window.



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