Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 09-09-2021 and time 13:07:53 (Italy) in region 2 km NE Pavullo nel Frignano (MO)

A magnitude ML 1.7 earthquake occured in region: 2 km NE Pavullo nel Frignano (MO), on

  • 09-09-2021 11:07:53 (UTC)
  • 09-09-2021 13:07:53 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.3510, 10.8520 at 27 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
Pavullo nel Frignano MO 2 17383 17383
Serramazzoni MO 9 8282 25665
Polinago MO 10 1672 27337
Lama Mocogno MO 11 2734 30071
Zocca MO 12 4719 34790
Montese MO 12 3353 38143
Guiglia MO 12 3931 42074
Castel d'Aiano BO 14 1906 43980
Sestola MO 15 2508 46488
Marano sul Panaro MO 15 5060 51548
Montecreto MO 15 940 52488
Prignano sulla Secchia MO 16 3747 56235
Fanano MO 16 2989 59224
Palagano MO 17 2194 61418
Montefiorino MO 18 2203 63621
Gaggio Montano BO 18 4878 68499
Castelvetro di Modena MO 19 11185 79684
Vignola MO 19 25353 105037
Maranello MO 20 17359 122396

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km S of Modena (184973 inhabitants)
42 Km W of Bologna (386663 inhabitants)
42 Km SE of Reggio nell'Emilia (171345 inhabitants)
47 Km N of Pistoia (90315 inhabitants)
48 Km S of Carpi (70699 inhabitants)
56 Km NW of Prato (191150 inhabitants)
63 Km NE of Lucca (89046 inhabitants)
65 Km SE of Parma (192836 inhabitants)
66 Km NE of Massa (69479 inhabitants)
67 Km E of Carrara (63133 inhabitants)
69 Km W of Imola (69797 inhabitants)
71 Km NW of Scandicci (50609 inhabitants)
72 Km NE of Viareggio (62467 inhabitants)
72 Km NW of Firenze (382808 inhabitants)
79 Km NE of Pisa (89158 inhabitants)
81 Km SW of Ferrara (133155 inhabitants)
82 Km W of Faenza (58541 inhabitants)
86 Km E of La Spezia (93959 inhabitants)
96 Km W of Forlì (117913 inhabitants)
99 Km NE of Livorno (159219 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 2021-09-09
11:07:53		 44.3508 10.8517 27 2022-03-30
13:04:07		 Bollettino Sismico Italiano INGV 95952691
Reviewed
Rev100 		ML 1.7 2021-09-09
11:07:52		 44.3697 10.8198 35 2021-09-09
11:13:58		 Sala Sismica INGV-Roma 95232311
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-09-09 11:07:53 ± 0.19
Latitude 44.3508 ± 0.0081
Longitude 10.8517 ± 0.0075
Depth (km) 27 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 95952691

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 841
Semi-minor axis of confidence ellipse (meter) 310
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 188
Circular confidence region, given by single value of horizontal uncertainty (meter) 840.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 96
Number of associated phases, regardless of their use for origin computation 43
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.43262
Number of stations at which the event was observed 32
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 26
Type of magnitude ML
Reference to an origin 95232311
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-09-09 11:13:58

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 36
Type of magnitude ML
Reference to an origin 95952691
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-02-24 02:36:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ILOS.HHZ. 2021-09-09T11:09:48.64 3.0 negative manual Pg 18.41 0
IV.IFOR.HHZ. 2021-09-09T11:09:47.07 3.0 undecidable manual Sn 0.79 0
IV.GIZZ.HHZ. 2021-09-09T11:09:27.72 3.0 undecidable manual Pn -3.2 0
GU.LSD.HHZ. 2021-09-09T11:09:24.54 3.0 undecidable manual Sg 8.95 0
TV.SU26.HHZ. 2021-09-09T11:09:14.26 3.0 undecidable manual Pn -0.49 0
IV.CMPR.HHZ. 2021-09-09T11:09:07.97 3.0 undecidable manual Pn -2.47 0
IV.PP3.EHZ. 2021-09-09T11:09:06.24 3.0 undecidable manual Sg 9.19 0
IV.TST02.HHZ. 2021-09-09T11:09:02.02 3.0 undecidable manual Pg 14.86 0
IV.SGG.HHZ. 2021-09-09T11:08:53.17 3.0 undecidable manual Pn 0.18 0
IV.ARVD.HHZ. 2021-09-09T11:08:52.28 3.0 undecidable manual Sg 7.18 0
SL.LJU.BHZ. 2021-09-09T11:08:44.12 3.0 undecidable manual Pn 1.17 0
IV.MF5.EHZ. 2021-09-09T11:08:31.46 3.0 negative manual Pn 0.36 0
OX.CIMO.HHZ. 2021-09-09T11:08:30.37 3.0 undecidable manual Pn -1.48 0
IV.BRES.EHZ. 2021-09-09T11:08:29.63 3.0 undecidable manual Pn -4.72 0
GU.RNCA.HHZ. 2021-09-09T11:08:20.19 3.0 undecidable manual Pg 0.93 0
IV.MAGA.HHZ. 2021-09-09T11:08:19.61 0.6 undecidable manual P 354 159.0186 54 1.23 24
IV.RIBO.EHZ.01 2021-09-09T11:08:16.90 3.0 undecidable manual Pn -1.29 0
IV.CRMI.HHZ. 2021-09-09T11:08:13.44 0.3 undecidable manual S 171 62.3931 108 0.21 67
IV.BOSL.HHZ. 2021-09-09T11:08:13.90 0.6 undecidable manual S 138 62.493 108 0.66 40
IV.SEI.HHZ. 2021-09-09T11:08:11.11 0.6 undecidable manual S 129 52.0035 112 0.49 43
IV.VISG.HHZ. 2021-09-09T11:08:10.20 0.6 undecidable manual S 111 49.617 113 0.17 46
IV.MOCL.EHZ. 2021-09-09T11:08:09.09 0.6 undecidable manual S 146 46.4202 114 -0.16 46
IV.MPPT.EHZ. 2021-09-09T11:08:09.60 0.6 undecidable manual S 156 47.619 114 0.08 47
GU.SARM.EHE. 2021-09-09T11:08:08.06 0.3 undecidable manual S 243 40.3263 118 0.28 68
IV.BDI.HHZ. 2021-09-09T11:08:07.14 0.6 undecidable manual S 213 37.8288 120 -0.07 48
GU.POPM.HHZ. 2021-09-09T11:08:06.56 0.6 undecidable manual S 193 34.743 122 0.06 48
IV.PII.HHZ. 2021-09-09T11:08:06.49 0.3 undecidable manual P 201 74.4699 105 -0.16 66
IV.BOSL.HHZ. 2021-09-09T11:08:05.01 0.1 negative manual P 138 62.493 108 0.14 90
GU.MAIM.HHZ. 2021-09-09T11:08:04.51 0.6 undecidable manual P 211 56.3991 110 0.53 41
GU.EQUI.HHE. 2021-09-09T11:08:04.43 0.6 undecidable manual P 250 59.1963 109 0.04 46
IV.CRMI.HHZ. 2021-09-09T11:08:04.83 0.3 undecidable manual P 171 62.3931 108 -0.04 69
IV.SEI.HHZ. 2021-09-09T11:08:03.11 0.3 undecidable manual P 129 52.0035 112 -0.25 67
GU.GSCL.HHZ. 2021-09-09T11:08:03.69 0.6 undecidable manual S 270 20.868 138 0.03 49
IV.MOCL.EHZ. 2021-09-09T11:08:02.13 0.3 undecidable manual P 146 46.4202 114 -0.44 65
IV.ZCCA.HHZ. 2021-09-09T11:08:02.98 0.6 undecidable manual S 90 9.879 158 0.88 40
IV.MPPT.EHZ. 2021-09-09T11:08:02.28 0.3 undecidable manual P 156 47.619 114 -0.44 65
IV.VISG.HHZ. 2021-09-09T11:08:02.52 0.3 undecidable manual P 111 49.617 113 -0.5 64
GU.SARM.EHE. 2021-09-09T11:08:01.81 0.3 undecidable manual P 243 40.3263 118 0.09 71
IV.BDI.HHZ. 2021-09-09T11:08:01.04 0.3 undecidable manual P 213 37.8288 120 -0.35 68
GU.POPM.HHZ. 2021-09-09T11:08:00.61 0.1 positive manual P 193 34.743 122 -0.37 90
IV.FNVD.HHZ. 2021-09-09T11:07:59.56 3.0 positive manual P -0.14 0
GU.GSCL.HHZ. 2021-09-09T11:07:59.17 0.3 undecidable manual P 270 20.868 138 -0.17 73
IV.ZCCA.HHZ. 2021-09-09T11:07:58.36 0.1 negative manual P 90 9.879 158 -0.08 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ZCCA.HHE. ML:2.3 0.0011479565 0.32 AML other m 2021-09-09T11:08:03.83
IV.ZCCA.HNE. ML:2.3 0.0010126630999999998 0.3072 AML other m 2021-09-09T11:08:03.84
IV.ZCCA.HHN. ML:2.2 0.0009505278 0.3584 AML other m 2021-09-09T11:08:04.10
GU.GSCL.HHE. ML:1.4 0.000099879155 0.2624 AML other m 2021-09-09T11:08:05.49
GU.GSCL.HHN. ML:1.4 0.0001151 0.2 AML other m 2021-09-09T11:08:05.77
IV.FNVD.HHE. ML:2.0 0.00034646545 0.4416 AML other m 2021-09-09T11:08:05.90
IV.FNVD.HHN. ML:2.1 0.00047999999999999996 1.68 AML other m 2021-09-09T11:08:06.09
GU.POPM.HHE. ML:2.1 0.00040100000000000004 0.28 AML other m 2021-09-09T11:08:06.77
GU.POPM.HHN. ML:2.0 0.0002845 0.26 AML other m 2021-09-09T11:08:07.06
IV.BDI.HHE. ML:1.5 0.000097018325 0.4032 AML other m 2021-09-09T11:08:07.64
IV.BDI.HNN. ML:1.7 0.000143314 0.256 AML other m 2021-09-09T11:08:08.22
IV.BDI.HHN. ML:1.7 0.0001513633 0.2432 AML other m 2021-09-09T11:08:08.22
IV.ZCCA.HNN. ML:2.3 0.0011434983999999999 0.8192 AML other m 2021-09-09T11:08:09.05
IV.BDI.HNE. ML:1.6 0.00013162185 0.3456 AML other m 2021-09-09T11:08:09.17
IV.MOCL.EHE. ML:1.6 0.00010313392500000001 0.3968 AML other m 2021-09-09T11:08:09.89
IV.VISG.HHN. ML:1.4 0.00005895 0.56 AML other m 2021-09-09T11:08:11.43
IV.CRMI.HNE. ML:1.8 0.00010856033 0.8 AML other m 2021-09-09T11:08:10.84
IV.MPPT.EHN. ML:1.4 0.000054449999999999995 0.34 AML other m 2021-09-09T11:08:11.65
IV.MOCL.EHN. ML:1.5 0.00007704999999999999 0.4 AML other m 2021-09-09T11:08:11.69
IV.MPPT.EHE. ML:1.4 0.00006620000000000001 0.9 AML other m 2021-09-09T11:08:12.50
IV.VISG.HHE. ML:1.2 0.000039750000000000004 0.32 AML other m 2021-09-09T11:08:12.57
IV.SEI.HHE. ML:1.8 0.000142 1.64 AML other m 2021-09-09T11:08:14.83
GU.MAIM.HHN. ML:1.5 0.0000614 0.4 AML other m 2021-09-09T11:08:14.14
IV.CRMI.HHN. ML:1.3 0.000036302555 0.3392 AML other m 2021-09-09T11:08:14.74
IV.CRMI.HHE. ML:1.4 0.00004745 1.46 AML other m 2021-09-09T11:08:14.19
IV.SEI.HHN. ML:1.9 0.0001825 0.44 AML other m 2021-09-09T11:08:15.19
IV.BOSL.HHE. ML:1.5 0.000052900000000000005 1.36 AML other m 2021-09-09T11:08:15.15
GU.MAIM.HHE. ML:1.2 0.000034149999999999997 1.4 AML other m 2021-09-09T11:08:16.72
IV.PII.HHE. ML:1.9 0.00010392001499999999 0.416 AML other m 2021-09-09T11:08:17.49
IV.BOSL.HHN. ML:1.3 0.000035279519999999995 0.384 AML other m 2021-09-09T11:08:17.79
IV.PII.HHN. ML:1.8 0.00007971434 0.5184 AML other m 2021-09-09T11:08:18.58
GU.RNCA.HHE. ML:1.8 0.000031701365000000005 0.2624 AML other m 2021-09-09T11:08:21.82
IV.CRMI.HNN. ML:2.1 0.0002281981 1.2544 AML other m 2021-09-09T11:08:27.70
IV.MAGA.HHE. ML:2.6 0.000163 0.38 AML other m 2021-09-09T11:08:42.87
IV.MAGA.HHN. ML:2.4 0.00011685000000000001 0.3 AML other m 2021-09-09T11:08:42.83
GU.RNCA.HHN. ML:1.7 0.000022986489999999997 0.6208 AML other m 2021-09-09T11:09:01.51
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