| 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 | 06h 08m | C | sudden | +13 | 116 | -1 | 46 | ||
| Memambetsu | 06h 06m | C | sudden | +18 | 122 | -1 | 28 | ||
| Kanoya | 06h 08m | C | sudden | +16 | 117 | -1 | 43 | ||
(*) 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 February 1992.
Plot of Memambetsu 1-minute geomagnetic field for the geomagnetic storm on 1 February 1992.
Plot of Kanoya 1-minute geomagnetic field for during the geomagnetic storm on 1 February 1992.
*) Plot diagram opens in a separate window.
| 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 | 11h 53m | 05d 06h | sudden | +50 | 156 | -1 | 96 | ||
| Memambetsu | 11h 54m | 05d 03m | sudden | +62 | 187 | -1 | 28 | ||
| Kanoya | 11h 53m | 05d 04h | sudden | +59 | 166 | -1 | 97 | ||
(*) 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 2 February 1992.
Plot of Memambetsu 1-minute geomagnetic field for the geomagnetic storm on 2 February 1992.
Plot of Kanoya 1-minute geomagnetic field for during the geomagnetic storm on 2 February 1992.
*) Plot diagram opens in a separate window.
| 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 | 14h 28m | 10d 21h | sudden | +57 | 250 | -1 | 117 | ||
| Memambetsu | 14h 28m | 10d 20m | sudden | +87 | 278 | -1 | 76 | ||
| Kanoya | 14h 28m | 10d 24h | sudden | +63 | 265 | -1 | 117 | ||
(*) 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 8 February 1992.
Plot of Memambetsu 1-minute geomagnetic field for the geomagnetic storm on 8 February 1992.
Plot of Kanoya 1-minute geomagnetic field for during the geomagnetic storm on 8 February 1992.
*) Plot diagram opens in a separate window.
| 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 | 08h 05m | 18d 06h | sudden | +12 | 79 | -1 | 51 | ||
| Memambetsu | 08h 05m | 18d 06m | sudden | +14 | 85 | -1 | 16 | ||
| Kanoya | 08h 05m | 18d 06h | sudden | +19 | 100 | -1 | 52 | ||
(*) 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 17 February 1992.
Plot of Memambetsu 1-minute geomagnetic field for the geomagnetic storm on 17 February 1992.
Plot of Kanoya 1-minute geomagnetic field for during the geomagnetic storm on 17 February 1992.
*) Plot diagram opens in a separate window.
| 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 | 01h 09m | 22d 12h | sudden | +10 | 278 | -1 | 106 | ||
| Memambetsu | 01h 09m | 22d 18m | sudden | +12 | 267 | -1 | 60 | ||
| Kanoya | 01h 10m | 22d 24h | sudden | +23 | 322 | -1 | 103 | ||
(*) 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 20 February 1992.
Plot of Memambetsu 1-minute geomagnetic field for the geomagnetic storm on 20 February 1992.
Plot of Kanoya 1-minute geomagnetic field for during the geomagnetic storm on 20 February 1992.
*) Plot diagram opens in a separate window.
| 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 28m | 26d 02h | sudden | +18 | 125 | -1 | 90 | ||
| Memambetsu | 16h 28m | C | sudden | +23 | 163 | -1 | 53 | ||
| Kanoya | 16h 28m | C | sudden | +21 | 125 | -1 | 80 | ||
(*) 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 24 February 1992.
Plot of Memambetsu 1-minute geomagnetic field for the geomagnetic storm on 24 February 1992.
Plot of Kanoya 1-minute geomagnetic field for during the geomagnetic storm on 24 February 1992.
*) Plot diagram opens in a separate window.
| 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 58m | 28d 03h | sudden | +56 | 173 | -1 | 83 | ||
| Memambetsu | 16h 57m | 28d 04m | sudden | +72 | 221 | -1 | 49 | ||
| Kanoya | 17h 57m | 28d 15h | sudden | +65 | 188 | -1 | 79 | ||
(*) 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 26 February 1992.
Plot of Memambetsu 1-minute geomagnetic field for the geomagnetic storm on 26 February 1992.
Plot of Kanoya 1-minute geomagnetic field for during the geomagnetic storm on 26 February 1992.
*) Plot diagram opens in a separate window.
| 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 | 09h 20m | 01d 12h | sudden | +20 | 101 | -1 | 60 | ||
| Memambetsu | 09h 21m | 01d 10m | sudden | +24 | 106 | -1 | 32 | ||
| Kanoya | 09h 20m | 01d 24h | sudden | +22 | 127 | -1 | 59 | ||
(*) 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 29 February 1992.
Plot of Memambetsu 1-minute geomagnetic field for the geomagnetic storm on 29 February 1992.
Plot of Kanoya 1-minute geomagnetic field for during the geomagnetic storm on 29 February 1992.
*) Plot diagram opens in a separate window.
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