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Minor mag. 1.0 earthquake - France: Mulhouse F on Tuesday, Sep 27, 2022 at 4:17 am (GMT +2) -

Minor mag. 1.0 earthquake - France: Mulhouse F on Tuesday, Sep 27, 2022 at 4:17 am (GMT +2) Minor mag. 1.0 earthquake - France: Mulhouse F on Tuesday, Sep 27, 2022 at 4:17 am (GMT +2)

Minor magnitude 1.0 earthquake at 12 km depth

27 Sep 02:19 UTC: First to report: SED after 2 minutes.
27 Sep 07:34: Magnitude recalculated from 1.4 to 1.0. Hypocenter depth recalculated from 12.4 to 12.3 km (from 7.7 to 7.6 mi). Epicenter location corrected by 1.1 km (0.7 mi) towards S.

Earthquake details

Date & timeSep 27, 2022 02:17:22 UTC -
Local time at epicenterTuesday, Sep 27, 2022 at 4:17 am (GMT +2)
Depth12.3 km
Epicenter latitude / longitude47.67°N / 7.47°E (France)
Antipode47.67°S / 172.53°W
Shaking intensityNot felt
Primary data sourceSED (Swiss Seismological Service)
Nearby towns and cities2 km (1 mi) NE of Sierentz (pop: 2,560) | Show on map | Quakes nearby
11 km (7 mi) NW of St. Louis (pop: 20,900) | Show on map | Quakes nearby
14 km (9 mi) SE of Mulhouse (pop: 111,400) | Show on map | Quakes nearby
15 km (9 mi) SE of Illzach (pop: 15,500) | Show on map | Quakes nearby
15 km (9 mi) NNW of Basel (Switzerland) (pop: 164,500) | Show on map | Quakes nearby
19 km (12 mi) SE of Wittenheim (Haut-Rhin) (pop: 15,700) | Show on map | Quakes nearby
29 km (18 mi) NW of Liestal (Switzerland) (pop: 12,800) | Show on map | Quakes nearby
401 km (249 mi) ESE of Paris (pop: 2,138,600) | Show on map | Quakes nearby
Weather at epicenter at time of quakeModerate Rain 11°C (52 F), humidity: 89%, wind: 6 m/s (12 kts) from W
Estimated seismic energy released2 x 106 joules (0.554 kilowatt hours) | about seismic energy
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Data for the same earthquake reported by different agencies

Info: The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.
1.012 kmFrance: Mulhouse FSED
0.912 kmFrance: Near BaselRENASS
1.012 kmFrance: SwitzerlandRaspberryShake


Seismic station: Echery - Sainte Marie aux Mines, France (ECH/G network) | Distance from quake: 65 km / 40 mi | Show on map | Station Info
Seismic station Echery - Sainte Marie aux Mines, France: vertical movement plot around time of quake (source: IRIS/BUD)
Seismogram (vertical component) around time of quake. Thin dotted red line indicates time of quake. Seismic waves arrive some time later, depending on distance. Source: IRIS Buffer of Uniform Data (BUD) webtool
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User reports for this quake (1)

At magnitude 1.0, such a quake wouldn't normally be felt by people, but could be recorded instrumentally.
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Basel / Weak shaking (MMI III) / rattling, vibrating / 10-15 s

Earlier earthquakes in the same area

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