Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 22-09-2021 and time 05:32:17 (UTC) in region 5 km NE San Felice sul Panaro (MO)

A magnitude ML 2.3 earthquake occured in region: 5 km NE San Felice sul Panaro (MO), on

  • 22-09-2021 05:32:17 (UTC)
  • 22-09-2021 07:32:17 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.8810, 11.1740 at 7 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
San Felice sul Panaro MO 5 10900 10900
Mirandola MO 9 23875 34775
Medolla MO 9 6308 41083
Camposanto MO 11 3201 44284
Finale Emilia MO 11 15699 59983
Poggio Rusco MN 12 6625 66608
San Giovanni del Dosso MN 12 1248 67856
Cavezzo MO 12 7026 74882
Magnacavallo MN 14 1561 76443
Villa Poma MN 14 2023 78466
San Possidonio MO 14 3619 82085
Schivenoglia MN 14 1203 83288
San Giacomo delle Segnate MN 15 1639 84927
Concordia sulla Secchia MO 15 8641 93568
San Prospero MO 16 5860 99428
Sermide MN 17 6189 105617
Pieve di Coriano MN 18 1035 106652
Crevalcore BO 18 13465 120117
Carbonara di Po MN 18 1297 121414
Felonica MN 18 1359 122773
Ravarino MO 18 6233 129006
Castelnovo Bariano RO 19 2762 131768
Castelmassa RO 19 4252 136020
Borgofranco sul Po MN 19 784 136804
Calto RO 19 743 137547
Bondeno FE 19 14655 152202
Cento FE 19 35686 187888
Sant'Agostino FE 20 6853 194741
Bomporto MO 20 10157 204898

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km E of Carpi (70699 inhabitants)
33 Km NE of Modena (184973 inhabitants)
36 Km W of Ferrara (133155 inhabitants)
45 Km NW of Bologna (386663 inhabitants)
48 Km E of Reggio nell'Emilia (171345 inhabitants)
53 Km W of Rovigo (51867 inhabitants)
64 Km S of Verona (258765 inhabitants)
67 Km E of Parma (192836 inhabitants)
73 Km NW of Imola (69797 inhabitants)
80 Km SW of Vicenza (112953 inhabitants)
80 Km SW of Padova (210401 inhabitants)
87 Km NW of Faenza (58541 inhabitants)
95 Km E of Cremona (71901 inhabitants)
96 Km NW of Ravenna (159116 inhabitants)
100 Km NW of Forlì (117913 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Bulletin
Rev1000 		ML 2.3 2021-09-22
05:32:17		 44.8813 11.1743 7 2022-03-30
13:04:12		 Bollettino Sismico Italiano INGV 96851271
Reviewed
Rev100 		ML 2.3 2021-09-22
05:32:20		 44.8558 11.224 5 2021-09-22
05:47:01		 Sala Sismica INGV-Roma 95724781
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-09-22 05:32:17 ± 0.3
Latitude 44.8813 ± 0.0090
Longitude 11.1743 ± 0.0140
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 96851271

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1147
Semi-minor axis of confidence ellipse (meter) 876
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 230
Circular confidence region, given by single value of horizontal uncertainty (meter) 1150.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 118
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 33
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.47
Epicentral distance of station closest to the epicenter (degree) 0.12231
Epicentral distance of station farthest from the epicenter (degree) 1.30761
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 24
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 33
Type of magnitude ML
Reference to an origin 96851271
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-02-18 16:10:56

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 30
Type of magnitude ML
Reference to an origin 95724781
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-09-22 05:47:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
SI.LUSI.HHZ. 2021-09-22T05:32:57.27 0.6 undecidable manual S 352 120.99 38 -1.41 25
ST.DOSS.HHZ. 2021-09-22T05:32:54.61 0.6 undecidable manual S 1 110.9001 38 -1.34 27
IV.MAGA.HHZ. 2021-09-22T05:32:54.00 0.6 undecidable manual S 337 107.9142 38 -1.14 30
ST.VARA.EHZ. 2021-09-22T05:32:53.49 0.6 undecidable manual S 348 107.0151 38 -1.4 26
OX.MARN.HHZ. 2021-09-22T05:32:47.64 0.6 undecidable manual S 2 83.9493 38 -0.99 34
IV.MSSA.HHZ. 2021-09-22T05:32:45.76 0.3 undecidable manual P 245 145.1436 38 0.82 48
IV.PII.HHZ. 2021-09-22T05:32:43.68 0.6 undecidable manual P 202 138.5613 38 -0.24 39
IV.ASQU.HHZ. 2021-09-22T05:32:43.22 0.3 undecidable manual P 158 129.87 38 0.66 53
ST.GAGG.HHZ. 2021-09-22T05:32:43.67 0.3 undecidable manual P 353 134.3655 38 0.4 57
IV.CTI.HHZ. 2021-09-22T05:32:43.56 0.3 undecidable manual P 16 134.6652 38 0.25 59
ST.RONC.EHZ. 2021-09-22T05:32:42.60 1.0 undecidable manual P 341 129.2706 38 0.13 20
ST.PANI.EHZ. 2021-09-22T05:32:42.26 0.6 undecidable manual P 5 130.2696 38 -0.37 39
SI.LUSI.HHZ. 2021-09-22T05:32:41.68 0.6 undecidable manual P 352 120.99 38 0.5 38
IV.TEOL.HHE. 2021-09-22T05:32:41.95 0.6 undecidable manual S 36 66.0894 38 -1.83 21
IV.MAGA.HHZ. 2021-09-22T05:32:39.23 0.3 undecidable manual P 337 107.9142 38 0.07 65
ST.VARA.EHZ. 2021-09-22T05:32:39.24 0.6 undecidable manual P 348 107.0151 38 0.22 42
ST.DOSS.HHZ. 2021-09-22T05:32:39.85 0.3 undecidable manual P 1 110.9001 38 0.23 62
IV.SGAL.EHZ. 2021-09-22T05:32:38.96 1.0 undecidable manual P 319 101.4207 38 0.81 18
IV.SALO.HHZ. 2021-09-22T05:32:38.10 0.6 undecidable manual P 328 96.2259 38 0.76 36
IV.MBAL.EHZ. 2021-09-22T05:32:37.36 0.6 undecidable manual P 345 93.8394 38 0.39 41
IV.LMD.HHZ. 2021-09-22T05:32:37.70 0.6 undecidable manual P 154 98.6235 38 -0.02 44
OX.MARN.HHZ. 2021-09-22T05:32:35.51 0.6 undecidable manual P 2 83.9493 38 0.07 45
IV.VISG.HHZ. 2021-09-22T05:32:34.94 0.6 undecidable manual P 165 79.5648 38 0.19 44
IV.MTRZ.HNN. 2021-09-22T05:32:33.64 0.3 undecidable manual P 162 66.0894 38 0.98 53
IV.TEOL.HHE. 2021-09-22T05:32:32.56 0.3 undecidable manual P 36 66.0894 38 -0.1 70
IV.ZCCA.HNN. 2021-09-22T05:32:31.70 0.6 undecidable manual P 195 60.8946 38 -0.16 46
IV.NDIM.HHZ. 2021-09-22T05:32:29.02 0.6 undecidable manual S 272 21.6672 50 -0.06 51
IV.SBPO.HNN. 2021-09-22T05:32:27.35 0.6 undecidable manual P 313 27.4503 50 1.64 26
IV.RAVA.EHZ. 2021-09-22T05:32:26.17 0.3 undecidable manual S 197 14.5743 117 -1.22 51
IV.CAVE.HHZ. 2021-09-22T05:32:26.24 0.6 undecidable manual S 263 13.5753 118 -0.62 45
IV.NDIM.HHZ. 2021-09-22T05:32:25.24 0.6 undecidable manual P 272 21.6672 50 0.97 38
IV.CAVE.HHZ. 2021-09-22T05:32:23.20 0.1 undecidable manual P 263 13.5753 118 0.2 100
IV.RAVA.EHZ. 2021-09-22T05:32:22.91 0.1 undecidable manual P 197 14.5743 117 -0.39 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NDIM.HHN. ML:2.4 0.001645 1.8 AML other m 2021-09-22T05:32:31.01
IV.NDIM.HNN. ML:2.5 0.002485 1.8 AML other m 2021-09-22T05:32:31.01
IV.NDIM.HNE. ML:2.7 0.0036349999999999998 0.28 AML other m 2021-09-22T05:32:31.44
IV.NDIM.HHE. ML:2.6 0.002675 0.28 AML other m 2021-09-22T05:32:31.44
OX.MARN.HHE. ML:2.5 0.00038 0.28 AML other m 2021-09-22T05:32:49.81
OX.MARN.HNN. ML:2.4 0.00029104905000000006 0.3808 AML other m 2021-09-22T05:32:49.84
OX.MARN.HHN. ML:2.3 0.00028599999999999996 1.62 AML other m 2021-09-22T05:32:49.03
IV.MBAL.EHN. ML:2.2 0.00016215 0.98 AML other m 2021-09-22T05:32:52.32
IV.MBAL.EHE. ML:2.1 0.0001485 1.68 AML other m 2021-09-22T05:32:53.11
IV.LMD.HHN. ML:1.6 0.00004675 1.26 AML other m 2021-09-22T05:32:54.14
IV.LMD.HHE. ML:1.5 0.00003695 1.02 AML other m 2021-09-22T05:32:54.75
IV.SGAL.EHE. ML:2.0 0.0000955 0.16 AML other m 2021-09-22T05:32:54.31
IV.SGAL.EHN. ML:2.0 0.00010899999999999999 0.76 AML other m 2021-09-22T05:32:54.44
ST.DOSS.HHE. ML:2.4 0.0001875 1.6 AML other m 2021-09-22T05:32:56.99
ST.DOSS.HHN. ML:2.1 0.00010250000000000001 0.56 AML other m 2021-09-22T05:32:57.25
SI.LUSI.HHN. ML:2.7 0.00034199999999999996 0.24 AML other m 2021-09-22T05:32:58.65
SI.LUSI.HHE. ML:2.4 0.00017999999999999998 0.48 AML other m 2021-09-22T05:32:58.42
ST.PANI.EHE. ML:2.2 0.00009764999999999999 0.4 AML other m 2021-09-22T05:33:01.26
ST.PANI.EHN. ML:2.1 0.00009049999999999999 0.26 AML other m 2021-09-22T05:33:01.64
IV.CTI.HHE. ML:2.4 0.0001555 0.24 AML other m 2021-09-22T05:33:01.95
IV.PII.HHN. ML:1.9 0.0000523 1.42 AML other m 2021-09-22T05:33:02.72
IV.CTI.HHN. ML:2.4 0.000176 0.2 AML other m 2021-09-22T05:33:02.13
ST.RONC.EHE. ML:2.2 0.0000989 1.02 AML other m 2021-09-22T05:33:02.24
ST.GAGG.HHN. ML:2.2 0.00009315000000000001 0.28 AML other m 2021-09-22T05:33:02.40
ST.RONC.EHN. ML:2.2 0.00010815 0.42 AML other m 2021-09-22T05:33:02.35
ST.GAGG.HHE. ML:2.4 0.000158 0.82 AML other m 2021-09-22T05:33:02.05
IV.PII.HHE. ML:2.0 0.000057999999999999994 0.3 AML other m 2021-09-22T05:33:02.31
IV.ASQU.HHE. ML:1.6 0.0000266 0.42 AML other m 2021-09-22T05:33:02.80
IV.ASQU.HHN. ML:1.7 0.00003525 0.42 AML other m 2021-09-22T05:33:03.78
IV.MAGA.HHE. ML:2.6 0.00035099999999999997 1.56 AML other m 2021-09-22T05:33:03.05
IV.MAGA.HHN. ML:2.5 0.000261 1.64 AML other m 2021-09-22T05:33:03.02
IV.MSSA.HHE. ML:2.2 0.0000872 1.26 AML other m 2021-09-22T05:33:06.93
IV.MSSA.HHN. ML:2.2 0.0000778 0.82 AML other m 2021-09-22T05:33:09.65
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
Waveforms Seismic signals in miniseed + resp format Download