Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 09-07-2020 and time 11:42:54 (UTC) in region 1 km NW Zocca (MO)

A magnitude ML 1.6 earthquake occured in region: 1 km NW Zocca (MO), on

  • 09-07-2020 11:42:54 (UTC)
  • 09-07-2020 13:42:54 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.3570, 10.9860 at 31 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
Zocca MO 2 4719 4719
Guiglia MO 8 3931 8650
Castel d'Aiano BO 9 1906 10556
Montese MO 10 3353 13909
Marano sul Panaro MO 11 5060 18969
Pavullo nel Frignano MO 12 17383 36352
Vergato BO 13 7639 43991
Vignola MO 14 25353 69344
Savignano sul Panaro MO 14 9177 78521
Castelvetro di Modena MO 17 11185 89706
Serramazzoni MO 17 8282 97988
Grizzana Morandi BO 17 3916 101904
Marzabotto BO 18 6779 108683
Gaggio Montano BO 18 4878 113561
Valsamoggia BO 18 30561 144122
Spilamberto MO 20 12621 156743

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km W of Bologna (386663 inhabitants)
33 Km S of Modena (184973 inhabitants)
47 Km N of Pistoia (90315 inhabitants)
47 Km SE of Reggio nell'Emilia (171345 inhabitants)
48 Km S of Carpi (70699 inhabitants)
54 Km N of Prato (191150 inhabitants)
58 Km W of Imola (69797 inhabitants)
68 Km N of Scandicci (50609 inhabitants)
69 Km NE of Lucca (89046 inhabitants)
69 Km NW of Firenze (382808 inhabitants)
72 Km W of Faenza (58541 inhabitants)
72 Km SE of Parma (192836 inhabitants)
73 Km SW of Ferrara (133155 inhabitants)
76 Km E of Massa (69479 inhabitants)
77 Km E of Carrara (63133 inhabitants)
80 Km NE of Viareggio (62467 inhabitants)
85 Km NE of Pisa (89158 inhabitants)
85 Km W of Forlì (117913 inhabitants)
96 Km E of La Spezia (93959 inhabitants)
97 Km W of Ravenna (159116 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 1.6 2020-07-09
11:42:54		 44.3568 10.986 31 2020-11-19
12:36:53		 Bollettino Sismico Italiano INGV 81096781
Reviewed
Rev100 		ML 1.7 2020-07-09
11:42:55		 44.3473 10.9842 29 2020-07-09
11:52:33		 Sala Sismica INGV-Roma 80905721
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-07-09 11:42:54 ± 0.29
Latitude 44.3568 ± 0.0117
Longitude 10.9860 ± 0.0126
Depth (km) 31 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 81096781

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1319
Semi-minor axis of confidence ellipse (meter) 308
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 175
Circular confidence region, given by single value of horizontal uncertainty (meter) 1320.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 189
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.00899
Epicentral distance of station farthest from the epicenter (degree) 0.40559
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 80905721
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-07-09 11:52:33

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 81096781
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-09-15 17:49:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.BDI.HHE. 2020-07-09T11:43:11.22 0.6 undecidable manual S 224 45.0216 120 0.3 46
IV.VISG.HHZ. 2020-07-09T11:43:10.24 0.6 undecidable manual S 117 40.2264 123 0.42 46
GU.POPM.HHZ. 2020-07-09T11:43:09.84 0.3 undecidable manual S 208 39.1275 124 0.27 70
GU.GSCL.HHZ. 2020-07-09T11:43:07.95 0.6 undecidable manual S 269 31.5462 131 -0.03 50
IV.FNVD.HHZ. 2020-07-09T11:43:05.91 0.3 undecidable manual S 153 23.6541 140 -0.56 66
IV.ZCCA.HHZ. 2020-07-09T11:43:04.48 0.3 undecidable manual S 229 0.999 178 0.28 74
IV.MPPT.EHZ. 2020-07-09T11:43:04.35 0.3 undecidable manual P 169 45.0216 120 0.19 71
IV.BDI.HHE. 2020-07-09T11:43:04.35 0.1 undecidable manual P 224 45.0216 120 0.19 94
IV.VISG.HHZ. 2020-07-09T11:43:03.46 0.1 undecidable manual P 117 40.2264 123 -0.06 97
IV.SEI.HHZ. 2020-07-09T11:43:03.88 0.3 undecidable manual P 138 44.7219 120 -0.25 69
GU.POPM.HHZ. 2020-07-09T11:43:03.52 0.1 undecidable manual P 208 39.1275 124 0.13 96
IV.MTRZ.HNZ. 2020-07-09T11:43:03.63 0.3 undecidable manual P 98 35.1426 127 0.74 62
GU.GSCL.HHZ. 2020-07-09T11:43:02.08 0.3 undecidable manual P 269 31.5462 131 -0.39 71
IV.FNVD.HHZ. 2020-07-09T11:43:01.13 0.1 positive manual P 153 23.6541 140 -0.47 92
IV.ZCCA.HHZ. 2020-07-09T11:42:59.97 0.1 positive manual P 229 0.999 178 -0.31 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ZCCA.HNE. ML:1.8 0.0003416692 0.3264 AML other m 2020-07-09T11:43:04.96
IV.ZCCA.HHE. ML:1.7 0.0002685 0.32 AML other m 2020-07-09T11:43:04.81
IV.ZCCA.HNN. ML:1.7 0.0002677967 1.52 AML other m 2020-07-09T11:43:04.99
IV.ZCCA.HHN. ML:1.6 0.00019046775 1.776 AML other m 2020-07-09T11:43:05.92
IV.FNVD.HHE. ML:1.6 0.00016418784999999998 0.1408 AML other m 2020-07-09T11:43:06.28
IV.FNVD.HHN. ML:1.8 0.000243 0.32 AML other m 2020-07-09T11:43:06.38
GU.GSCL.HHN. ML:1.5 0.00008770425 1.6608 AML other m 2020-07-09T11:43:08.88
GU.GSCL.HHE. ML:1.4 0.000070480995 1.6416 AML other m 2020-07-09T11:43:09.05
GU.POPM.HHE. ML:1.8 0.000179 0.18 AML other m 2020-07-09T11:43:10.82
GU.POPM.HHN. ML:1.8 0.00018217695 1.8208 AML other m 2020-07-09T11:43:11.93
IV.VISG.HHE. ML:1.2 0.000039036795 1.5776 AML other m 2020-07-09T11:43:12.80
IV.VISG.HHN. ML:1.2 0.000040796475 0.2432 AML other m 2020-07-09T11:43:12.55
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