Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 12-11-2021 and time 01:31:31 (Italy) in region 5 km E Finale Emilia (MO)

A magnitude ML 1.7 earthquake occured in region: 5 km E Finale Emilia (MO), on

  • 12-11-2021 00:31:31 (UTC)
  • 12-11-2021 01:31:31 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.8420, 11.3620 at 25 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
Finale Emilia MO 5 15699 15699
Sant'Agostino FE 6 6853 22552
Bondeno FE 7 14655 37207
Mirabello FE 8 3266 40473
Vigarano Mainarda FE 11 7694 48167
Galliera BO 12 5439 53606
Poggio Renatico FE 13 9852 63458
Ficarolo RO 14 2438 65896
Cento FE 14 35686 101582
Pieve di Cento BO 15 7019 108601
Gaiba RO 15 1063 109664
San Pietro in Casale BO 16 12202 121866
Felonica MN 16 1359 123225
Salara RO 17 1160 124385
Calto RO 17 743 125128
San Felice sul Panaro MO 17 10900 136028
Stienta RO 18 3253 139281
Camposanto MO 19 3201 142482
Castello d'Argile BO 19 6550 149032
Sermide MN 19 6189 155221
Ceneselli RO 19 1719 156940
Occhiobello RO 19 11979 168919
Malalbergo BO 19 8943 177862
Castelmassa RO 20 4252 182114

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km W of Ferrara (133155 inhabitants)
38 Km E of Carpi (70699 inhabitants)
39 Km N of Bologna (386663 inhabitants)
41 Km NE of Modena (184973 inhabitants)
42 Km SW of Rovigo (51867 inhabitants)
60 Km E of Reggio nell'Emilia (171345 inhabitants)
61 Km NW of Imola (69797 inhabitants)
72 Km SE of Verona (258765 inhabitants)
74 Km NW of Faenza (58541 inhabitants)
75 Km SW of Padova (210401 inhabitants)
80 Km S of Vicenza (112953 inhabitants)
81 Km NW of Ravenna (159116 inhabitants)
82 Km E of Parma (192836 inhabitants)
87 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 1.7 2021-11-12
00:31:31		 44.8422 11.3615 25 2022-03-30
13:04:18		 Bollettino Sismico Italiano INGV 97824191
Reviewed
Rev100 		ML 1.9 2021-11-12
00:31:35		 44.7933 11.3553 7 2021-11-12
00:45:42		 Sala Sismica INGV-Roma 97403301
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-11-12 00:31:31 ± 0.19
Latitude 44.8422 ± 0.0090
Longitude 11.3615 ± 0.0127
Depth (km) 25 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 97824191

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1204
Semi-minor axis of confidence ellipse (meter) 685
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 225
Circular confidence region, given by single value of horizontal uncertainty (meter) 1200.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 132
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) 0.44
Epicentral distance of station closest to the epicenter (degree) 0.19245
Epicentral distance of station farthest from the epicenter (degree) 1.20779
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 22
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 17
Type of magnitude ML
Reference to an origin 97824191
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-03-07 17:54:16

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 28
Type of magnitude ML
Reference to an origin 97403301
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-11-12 00:45:42
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
ST.PANI.EHZ. 2021-11-12T00:32:15.95 0.6 undecidable manual S 359 134.0658 54 -2.92 3
SI.LUSI.HHZ. 2021-11-12T00:32:14.19 0.6 undecidable manual S 345 128.1717 54 -3.09 2
IV.MAGA.HHZ. 2021-11-12T00:32:11.33 0.6 undecidable manual S 331 118.2927 54 -3.26 2
ST.DOSS.HHZ. 2021-11-12T00:32:10.15 0.6 undecidable manual S 353 115.995 54 -3.83 2
IV.TREG.EHZ. 2021-11-12T00:31:59.92 0.6 undecidable manual S 348 77.1672 54 -3.5 2
ST.PANI.EHZ. 2021-11-12T00:31:58.88 0.3 undecidable manual P 359 134.0658 54 0.28 61
IV.TEOL.HHE. 2021-11-12T00:31:57.13 0.3 undecidable manual S 23 62.5929 54 -2.34 20
SI.LUSI.HHZ. 2021-11-12T00:31:57.77 0.3 undecidable manual P 345 128.1717 54 0.08 64
IV.ZOVE.EHZ. 2021-11-12T00:31:57.91 0.6 undecidable manual S 8 68.5758 54 -3.17 2
ST.VARA.EHZ. 2021-11-12T00:31:56.07 0.3 undecidable manual P 342 114.996 54 0.42 62
IV.MAGA.HHZ. 2021-11-12T00:31:56.18 0.3 undecidable manual P 331 118.2927 54 0.03 67
IV.CRMI.HHZ. 2021-11-12T00:31:56.56 0.3 undecidable manual P 195 119.991 54 0.14 65
ST.DOSS.HHZ. 2021-11-12T00:31:55.63 0.1 undecidable manual P 353 115.995 54 -0.18 86
IV.MBAL.EHZ. 2021-11-12T00:31:54.32 0.3 undecidable manual P 338 102.7194 54 0.58 60
IV.ZEN8.EHZ. 2021-11-12T00:31:53.45 0.3 undecidable manual P 331 101.0211 54 -0.03 68
IV.ROVR.HHZ. 2021-11-12T00:31:52.29 0.3 undecidable manual P 346 92.0412 54 0.2 68
IV.VMAN.HNZ. 2021-11-12T00:31:50.37 0.3 undecidable manual P 314 75.6687 54 0.83 58
IV.BRIS.HHZ. 2021-11-12T00:31:50.49 0.3 undecidable manual P 155 75.6687 54 0.96 54
IV.FNVD.HHZ. 2021-11-12T00:31:49.25 0.6 undecidable manual P 194 77.1672 54 -0.52 43
IV.TREG.EHZ. 2021-11-12T00:31:49.98 0.3 undecidable manual P 348 77.1672 54 0.21 69
IV.VISG.HHZ. 2021-11-12T00:31:49.05 0.6 undecidable manual P 175 72.6717 54 -0.03 48
IV.NDIM.HHZ. 2021-11-12T00:31:49.03 0.6 undecidable manual S 278 36.741 111 -0.56 45
IV.ZOVE.EHZ. 2021-11-12T00:31:48.19 0.1 undecidable manual P 8 68.5758 54 -0.24 93
IV.TEOL.HHE. 2021-11-12T00:31:47.45 0.3 undecidable manual P 23 62.5929 54 -0.06 74
IV.ZCCA.HHE. 2021-11-12T00:31:46.97 0.3 undecidable manual P 209 62.3931 54 -0.51 66
IV.MTRZ.HNN. 2021-11-12T00:31:46.97 0.3 undecidable manual P 175 58.8966 104 -0.21 72
IV.FIU.EHZ. 2021-11-12T00:31:44.05 0.3 undecidable manual S 155 24.6531 121 -0.76 66
IV.CAVE.HHZ. 2021-11-12T00:31:44.93 0.6 undecidable manual S 275 28.3494 117 -1.29 33
IV.RAVA.EHZ. 2021-11-12T00:31:43.33 0.3 undecidable manual S 243 21.3675 125 -0.28 76
IV.NDIM.HHZ. 2021-11-12T00:31:42.74 0.6 undecidable manual P 278 36.741 111 0.87 40
IV.CAVE.HHZ. 2021-11-12T00:31:40.14 0.3 undecidable manual P 275 28.3494 117 0.2 76
IV.FIU.EHZ. 2021-11-12T00:31:39.39 0.1 positive manual P 155 24.6531 121 0.25 100
IV.RAVA.EHZ. 2021-11-12T00:31:38.98 0.1 negative manual P 243 21.3675 125 0.53 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RAVA.EHN. ML:2.3 0.00098427625 0.22 AML other m 2021-11-12T00:31:43.48
IV.RAVA.EHE. ML:2.3 0.00095164285 0.22 AML other m 2021-11-12T00:31:44.15
IV.FIU.EHN. ML:2.0 0.00040849999999999995 0.18 AML other m 2021-11-12T00:31:44.17
IV.FIU.EHE. ML:1.9 0.0003349732 0.12 AML other m 2021-11-12T00:31:44.35
IV.CAVE.HHE. ML:1.5 0.00011565376499999999 0.32 AML other m 2021-11-12T00:31:45.71
IV.CAVE.HHN. ML:1.8 0.00023027325 0.24 AML other m 2021-11-12T00:31:45.84
IV.ZOVE.EHE. ML:1.7 0.000079082 1.82 AML other m 2021-11-12T00:31:57.05
IV.ZOVE.EHN. ML:1.4 0.00004652404 0.32 AML other m 2021-11-12T00:31:58.16
IV.TREG.EHE. ML:1.6 0.000049194465 0.22 AML other m 2021-11-12T00:32:00.10
IV.TREG.EHN. ML:1.5 0.000044544914999999995 0.18 AML other m 2021-11-12T00:32:00.04
IV.ROVR.HHE. ML:1.3 0.000019628425000000002 0.56 AML other m 2021-11-12T00:32:05.04
IV.MBAL.HNN. ML:2.2 0.00013738746499999998 0.86 AML other m 2021-11-12T00:32:08.67
ST.DOSS.HHE. ML:1.7 0.00003703726 0.26 AML other m 2021-11-12T00:32:11.35
ST.VARA.EHE. ML:1.8 0.000044643755 0.24 AML other m 2021-11-12T00:32:11.66
ST.DOSS.HHN. ML:1.4 0.000022349335 0.24 AML other m 2021-11-12T00:32:11.56
IV.MAGA.HHE. ML:1.9 0.000064365705 0.58 AML other m 2021-11-12T00:32:12.66
SI.LUSI.HHN. ML:1.8 0.00004470862 0.64 AML other m 2021-11-12T00:32:15.22
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