GSs with Dst < -100 nT

Acknowledgement: This catalog is available in Samwel & Miteva (2023) and the work was supported by the SCOSTEP/PRESTO 2020 project ‘On the relationship between major space weather phenomena in solar cycles 23 and 24’.

Abbreviations used:

AW: angular width

CME: coronal mass ejection

GS: geomagnetic storm

ICME: interplanetary CME

MPA: measurement position angles

SEE: solar energetic electron

SEP: solar energetic proton

SF: solar flare

dg: data gap

no: no event found

pd: previous day

u: uncertain

–: not applicable

All speeds in km/s; AW in degrees; SEE and SEP in differential units

GSGSGSGSGSIMFIMFSolar WindSolar WindSolar WindSFSFSFSFSFCMECMECMECMEICMESEESEESEPSEP
yyyymmddhrDstBz magnitudedensityspeedpressureDayonset timepeak timeclasslocationonset timespeed AWMPASpeedJe (103-175 keV)Je (175-315 keV)Jp (19-28 MeV)Jp (28-72 MeV)
199610235-105-10.68.15.86344.53uuu----uuuuundndnono
19974221-107-1512.78.43892.34uuu----uuuuundndnono
199751513-115-5.524.74.84472.11124:424:55C1.3N21W095:30464360264450ndnd2.02E-23.1E-3
199710114-130-7.8138.74222.876uu----15:28239174130400uuuu
19971175-1100.613.917.14566.5845:525:58X2.1S14W336:107853602434001979550830.9520.215
199711237-108-0.513.38.35004.0819uu----dgdgdgdgnonononono
19982181-100-16.116.418.14095.62uuu----uuuunonononono
199831021-116-14.211.76.75293.74uuu----uuuunonononono
1998546-205-16.732.217.780226.54213:3113:42X1.1S15W1514:0693836033155043760132611.40.303
19986265-101-1413.37.44692.9522uu----7:35278119119nouunono
19988612-13819.416.134.640310.14dguu----uuuunonononono
1998876-108-3.812.15.74202.12dguu----uuuunonononono
199882710-155-6.316.12.86312.062421:5022:12X1udgdgdgdgno2294768753.60.518
199892510-207-13.819.71.57772.12236:407:13M7.1N18E09dgdgdgdgno182531.67E-23.8E-3
1998101916-112-3.717.46.13861.6515uu----10:04262360264390uunono
19981187-149-12.136.26.76225.28519:0019:55M8.4N22W1820:441118360300450uunono
199811918-1427.5142.64321.127uu----uuuunonononono
1998111322-131-7.316.98.93492.179uu----18:18325190338390nononono
19991141-112-10.917.913.74194.81dguu----uuuunonononono
199921810-1238.312.42.46642.25162:493:12M3.2S23W14dgdgdgdgno180363.8E-3no
19999231-173-5.516.28.65896.12205:465:50C2.8u6:0660436014530nononono
199910227-237-13.333.216.85489.64180:010:04C1.0u0:06144240184480nononono
1999111323-106-6.612.44.44441.95dguu----dgdgdgdgnonononono
200021212-135-12.120.6135699.70101:402:08C7.3u2:30944360340540nononono
2000471-292-15.324.629.657120.82415:1215:41C9.7N16W6616:331188360265560943111610.5441.83E-2
20005249-1470.4183.76433.7621uu----7:27629138271530nononono
20007161-300-8.647.58.1103017.191410:0310:24X5.7N22W0710:541674360273740750613283399174.313.8
20008117-105-1012.224260.73815:3815:54C1.4u15:54867143287nonononono
200081210-234-15.533.64.76133.53915:1916:22C2.3N11W1116:3070236012580nononono
20009181-201527.511.379515.74164:064:26M5.9N14W075:18121536036003300572nono
200010514-181-4.911.818.452410.63219:5720:04C8.4--20:26569360180450uunono
2000101415-106-7.313.15.34131.949uuuu23:50798175318400257527.5E-38.0E-4
200010294-126-117.63.64041.19258:4511:25C4.0N06W608:26770360275380266565010.2121.89E-2
200011622-1594.410.214.45708.19318:3519:02C3.2N02W0218:2629136057510357101nono
2000112914-119-13.98.97.64874.842518:3318:44X1.9N20W2319:3267136034854028820380124nono
200132014-149-2.520.95.93892.0616uu----3:50271281312360nononono
20013319-387-3.537.617.564418.42299:5710:15X1.7N20W1910:26942360716001235538410.6278E-2
20014121-2712.434.57.37258.51105:065:26X2.3S23W095:302411360166640771621992.50.286
20014187-114-17.29.126.451312.91513:1913:50X14.4S20W8514:0711991672684301534346072831.35.1
200142216-102-17.911.113.73513.3118uu----uuuu350uunono
200181722-1054.529.823.448510.6314uu----16:0161836038500nononono
20019262-102-20.8198.16275.96249:3210:38X2.6S16E2310:312402360142350355156316147851.90.2
20011019-148-10.812.48.44813.73288:108:30M3.3S18W368:55846360140490nononono
200110315-166-3.620.43.752022910:1911:06M1.8N13E0311:5450921626490nononono
2001102122-18715.626.122.260816.391916:1316:30X1.6N15W2916:5090136027346017394190.124u
2001102812-157-8.411.39.94754.72514:4215:02X1.3S16W2115:251092360175360nononono
20011167-292-7.432.1uu99.99416:0316:20X1.0N06W1816:35181036023960045128462319382277.329.4
2001112417-221-11.315.51.49182.252222:3223:30M3.9S17W3623:30143736034972024768658749nono
200232410-100-11.79.511.54213.832015:4418:08C3.3S17W2017:5460336089450nononono
20024188-127-1214.115040.62153:053:55M1.2S15W013:5072036019848026766nono
20024207-1482.18.78.46317.51177:468:24M2.6S14W348:2612403602925003836170640.1029.4E-3
200251120-110-12.214.68.14373.23812:5813:27C4.2S12W0713:50614360614430nononono
200252318-109018.69.16938.74223:183:54C5.0S20W853:501557360250590uu1.58.25E-2
2002826-102-16.511.95.15252.9529uu----12:08562236301460nononono
20028217-106-7.88.744341.861611:3212:32M5.2S14E2012:30158536012146010822963.49E-21.3E-3
2002946-109-10.414.88.24153.2uuu----uuuunouunono
2002981-181-20.119.88.95064.57516:1817:06C5.2N09E2816:54174836011447018864970.2121.451E-2
200210117-176-9.415.418.53805.94uuu----uuuu390uunono
20021049-146-18.311.14.43891.32uuu----uuuu430uunono
20021078-1153.112.1u368u419:0719:12C5.7S14E4520:3074323038nouunono
2002101414-100-16.216.819.33564.44dguu----uuuunouunono
2002112111-128-7.313.26.46575.28uuu----uuuunouunono
20035301-144-12.516.55173864.76280:170:27X3.6S07W200:501366360292600nono0.1641.93E-2
200361810-1413.416.111.95177.11523:2523:56X1.3S07E8023:54205336084480656149nono
20037126-105-5.611.96.45714.78dguu----uuuunouunono
200381816-14812.7172.54370.951417:12uC3.8S10E0220:0637836025450uunono
200310301-353-20.819.2uuu289:5111:10X17.2S16E6811:302459360151300530063149234353.232.04
2003103023-383-6.525uuu2920:3720:49M1.0S15W0220:542029360190800uunono
2003112021-422-0.426.516.755310.21187:357:47M9.6N01W088:50166036020658010282591.11E-28.00E-4
200412214-130-5.818.37.26145.432023:46pduC5.5S13W090:06965360224560nononono
2004441-117-4.996.65043.2uuu----uuuu440nononono
200472517-136-4.418.413.95609.61226:547:00C2.0N05E147:3170015131560nononono
200472714-170-15.620.12.88424.162514:1915:14M1.1N08W3314:5413333602048701326938641.26.67E-2
200483023-129-7.69.420.64116.14uuu----uuuu390uunono
20041187-374-3.625.55.57287.13422:5323:09M5.4N08E1823:30105529331640nononono
2004111011-263-10.818.73.67063.57715:4216:06X2.0N09W1716:5417593600640nono10.770.691
20051189-1030.415uuu1522:2523:02X2.6N14W0823:072861360323no596641357812.711.234
20055819-110-4.38.65.57646.375uu----20:30118036082nonononono
20055159-247-5.954.8691512.821316:1316:57M8.0N12E1117:12168936026308794971536999.90.1406
200553014-113-23.515.48.54523.5126uu----15:06586360275460nononono
20056131-106-16.915.71.74710.93913:2813:34C1.5N07E1314:36377125267480uunono
200582412-184-3.32745.163541.06220:441:33M2.6S11W541:3211943602206607353.781500.40.17921.24E-2
200583120-122-6.414.310.74124.2529uu----10:541600360221no7142243.28E-26.6E-3
200591111-139-20.514.91.210462.63919:1320:04X6.2S10E5819:482257360115900nononono
200612158-162-7.512.30.77360.76132:142:40X3.4S06W232:5417743601937401587545718720.25.3
2011864-115-18.212.18.55665.2843:413:57M9.3N19W364:121315360298540962524731.790.266
201192624-118-17.212.11.96511.472412:3313:20M7.1N10E5612:48191536078580nononono
201110252-147-9.821.310.85145.5822uuuu1:25593360354460nononono
2012399-145-7.5163.37123.8170:020:24X5.4N17E270:2426843605755037096612185982.939.6
20124245-120-1510.65.64161.92uuu----uuuu370uuuu
201271517-139-6.223.32.45651.661215:3716:49X1.4S15W0116:488853601584902106155301.6830.133
20121015-122-3.320.75.93941.682823:3623:57C3.7N06W340:129473602513701215135130.2723.93E-2
20121099-109-9.715.71.74420.625uu----2:48612284202390nononono
201211148-108-8176.23961.849uu----15:12559276157380uunono
201331721-1326.412.435902.06155:466:58X1.1N11E117:12106336011252012472249E-34.0E-4
2013619-124-5.619.610.45015.34uuu----uuuunonononono
20136297-102-7.110.516.93734.4123uu----22:36174174302390nononono
20142199-119-2.818.49.84543.66169:209:26M1.1S11E0110:00634360227520305101nono
201531723-222-1120.18.25584.98151:152:13C9.1S22W251:4871936024056013452733.25E-22.9E-3
20156235-204-13.623.12.87023.12212:062:36M2.6N12E162:3613663607261030195152.1E-29.0E-4
201510723-124-11.86.72.77442.99uuuuuuuuunouunono
2015122023-155-26.618.76.64152.27168:349:03C6.6S13W049:3657936033440084nonono
2016111-110-3.21524630.882811:2012:45M1.8S23W1112:121212360163no5721291.15E-21.00E-3
2016101324-104-6.7241.43820.36uuu----uuuunonononono
20175288-125-9.716.98.43692.5723uu----5:00259243281360nononono
2017982-124-11.3213.46783.41611:5312:02X9.3S08W3312:241571360201590nono0.6044.46E-2
20188267-175-9.817.520.83865.5920uu----21:24126120266410nononono