Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 11-08-2021 and time 06:17:16 (Italy) in region 5 km E Lama Mocogno (MO)

A magnitude ML 1.4 earthquake occured in region: 5 km E Lama Mocogno (MO), on

  • 11-08-2021 04:17:16 (UTC)
  • 11-08-2021 06:17:16 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.2910, 10.7870 at 19 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Lama Mocogno MO 5 2734 2734
Pavullo nel Frignano MO 7 17383 20117
Sestola MO 7 2508 22625
Montecreto MO 7 940 23565
Polinago MO 8 1672 25237
Fanano MO 9 2989 28226
Palagano MO 12 2194 30420
Montese MO 13 3353 33773
Riolunato MO 13 712 34485
Serramazzoni MO 15 8282 42767
Montefiorino MO 15 2203 44970
Gaggio Montano BO 16 4878 49848
Pievepelago MO 16 2222 52070
Fiumalbo MO 17 1280 53350
Lizzano in Belvedere BO 17 2212 55562
Frassinoro MO 17 1926 57488
Castel d'Aiano BO 17 1906 59394
Zocca MO 18 4719 64113
Prignano sulla Secchia MO 18 3747 67860
Abetone PT 19 621 68481

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km N of Pistoia (90315 inhabitants)
41 Km S of Modena (184973 inhabitants)
47 Km S of Reggio nell'Emilia (171345 inhabitants)
50 Km W of Bologna (386663 inhabitants)
52 Km NW of Prato (191150 inhabitants)
55 Km NE of Lucca (89046 inhabitants)
55 Km S of Carpi (70699 inhabitants)
59 Km E of Massa (69479 inhabitants)
60 Km E of Carrara (63133 inhabitants)
64 Km NE of Viareggio (62467 inhabitants)
67 Km NW of Scandicci (50609 inhabitants)
67 Km SE of Parma (192836 inhabitants)
69 Km NW of Firenze (382808 inhabitants)
71 Km NE of Pisa (89158 inhabitants)
74 Km W of Imola (69797 inhabitants)
79 Km E of La Spezia (93959 inhabitants)
87 Km W of Faenza (58541 inhabitants)
90 Km SW of Ferrara (133155 inhabitants)
91 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
Reviewed
Rev100 		ML 1.4 2021-08-11
04:17:16		 44.2907 10.7873 19 2021-08-11
04:33:45		 Sala Sismica INGV-Roma 93945921
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-08-11 04:17:16 ± 0.23
Latitude 44.2907 ± 0.0072
Longitude 10.7873 ± 0.0075
Depth (km) 19 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 93945921

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 751
Semi-minor axis of confidence ellipse (meter) 343
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 195
Circular confidence region, given by single value of horizontal uncertainty (meter) 750.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 133
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.59895
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 93945921
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-08-11 04:33:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SGAL.EHZ. 2021-08-11T04:17:59.25 3.0 undecidable manual S 0.39 0
IV.PII.HHZ. 2021-08-11T04:17:37.08 0.6 undecidable manual S 198 66.4779 99 -0.18 46
GU.MAIM.HHZ. 2021-08-11T04:17:32.77 0.6 undecidable manual S 209 48.0186 103 0.34 45
IV.MOCL.EHZ. 2021-08-11T04:17:31.29 0.6 undecidable manual S 135 44.5221 104 -0.23 48
GU.CARD.HHZ. 2021-08-11T04:17:30.21 0.6 undecidable manual S 220 38.1285 107 0.35 46
IV.MPPT.EHZ. 2021-08-11T04:17:30.73 0.6 undecidable manual S 147 44.1225 104 -0.68 42
IV.PII.HHZ. 2021-08-11T04:17:28.65 0.6 negative manual P 198 66.4779 99 0 47
IV.BDI.HHZ. 2021-08-11T04:17:27.73 0.3 undecidable manual S 211 29.5482 114 0.02 76
GU.MAIM.HHZ. 2021-08-11T04:17:26.07 0.3 undecidable manual P 209 48.0186 103 0.21 70
GU.POPM.HHZ. 2021-08-11T04:17:26.85 0.6 undecidable manual S 185 27.3504 116 -0.34 47
IV.MPPT.EHZ. 2021-08-11T04:17:25.31 0.3 undecidable manual P 147 44.1225 104 0.04 73
IV.MOCL.EHZ. 2021-08-11T04:17:25.36 0.3 undecidable manual P 135 44.5221 104 0.03 73
IV.ZCCA.HHZ. 2021-08-11T04:17:25.37 0.6 undecidable manual S 66 16.4724 133 0.6 44
GU.GSCL.HHZ. 2021-08-11T04:17:24.40 0.3 undecidable manual S 293 17.1717 131 -0.51 69
GU.CARD.HHZ. 2021-08-11T04:17:24.49 0.1 positive manual P 220 38.1285 107 0.11 97
IV.BDI.HHZ. 2021-08-11T04:17:23.22 0.1 positive manual P 211 29.5482 114 0.08 99
GU.POPM.HHZ. 2021-08-11T04:17:22.88 0.1 positive manual P 185 27.3504 116 0.04 100
IV.ZCCA.HHZ. 2021-08-11T04:17:21.50 0.3 undecidable manual P 66 16.4724 133 0.06 76
GU.GSCL.HHZ. 2021-08-11T04:17:21.19 0.6 positive manual P 293 17.1717 131 -0.33 49
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ZCCA.HHE. ML:1.4 0.00016299999999999998 0.42 AML other m 2021-08-11T04:17:26.36
GU.POPM.HHE. ML:1.7 0.00021500000000000002 1.22 AML other m 2021-08-11T04:17:27.61
GU.POPM.HHN. ML:1.8 0.0002725 0.16 AML other m 2021-08-11T04:17:27.22
IV.BDI.HHE. ML:1.5 0.0001295 0.46 AML other m 2021-08-11T04:17:28.57
GU.GSCL.HHN. ML:1.3 0.000113 0.24 AML other m 2021-08-11T04:17:29.16
IV.BDI.HHN. ML:1.6 0.000158 0.38 AML other m 2021-08-11T04:17:29.16
GU.GSCL.HHE. ML:1.0 0.00005355 0.4 AML other m 2021-08-11T04:17:29.48
GU.CARD.HHN. ML:1.7 0.00014950000000000003 0.36 AML other m 2021-08-11T04:17:31.64
GU.CARD.HHE. ML:1.8 0.000187 0.52 AML other m 2021-08-11T04:17:31.54
IV.MPPT.EHN. ML:1.2 0.0000392 0.42 AML other m 2021-08-11T04:17:32.57
IV.MPPT.EHE. ML:1.2 0.000045950000000000006 0.28 AML other m 2021-08-11T04:17:32.57
IV.MOCL.EHN. ML:1.1 0.000037449999999999995 0.26 AML other m 2021-08-11T04:17:32.90
IV.MOCL.EHE. ML:1.2 0.000052 1.8 AML other m 2021-08-11T04:17:33.94
IV.ZCCA.HHN. ML:1.1 0.00007650907 0.2816 AML other m 2021-08-11T04:17:28.01
GU.MAIM.HHN. ML:1.0 0.0000262 1.12 AML other m 2021-08-11T04:17:33.60
GU.MAIM.HHE. ML:0.9 0.0000203 0.62 AML other m 2021-08-11T04:17:34.62
IV.PII.HHN. ML:1.4 0.0000454 0.26 AML other m 2021-08-11T04:17:39.56
IV.PII.HHE. ML:1.5 0.00006225 0.76 AML other m 2021-08-11T04:17:39.54
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