Event characteristics This information has been confirmed by a seismologist.
SWITZERLAND ORID : 5037916
20/09/21 13 Arrivals 4 Iterations RMS : 0.50 Type :eq
Origin time: 05:17:18.61 ± 0.07
Latitude : 47.51 ± 0.6 1/2 Major Axis : 1.6 km
Longitude : 7.60 ± 0.7 1/2 Minor Axis : 1.1 km
Depth: 15. (Imposed) Azimuth mj Axis : 150.7 deg
ML : 1.91±0.22 of 6 stations MD : 2.20±0.16 of 4 stations
Location in relation to nearby cities 3 km ESE of BASEL (SWITZERLAND) (173000 residents)
8 km SE of HEGENHEIM (HAUT-RHIN) (2300 residents)
9 km S of HUNINGUE (HAUT-RHIN) (6300 residents)
30 km ESE of ALTKIRCH (HAUT-RHIN) (5100 residents)
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