Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 04-08-2019 and time 11:20:39 (Italy) in region 3 km NW Montefiorino (MO)

A magnitude ML 1.4 earthquake occured in region: 3 km NW Montefiorino (MO), on

  • 04-08-2019 09:20:39 (UTC)
  • 04-08-2019 11:20:39 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.3860, 10.6020 at 9 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
Montefiorino MO 3 2203 2203
Toano RE 4 4463 6666
Palagano MO 8 2194 8860
Prignano sulla Secchia MO 9 3747 12607
Carpineti RE 10 4064 16671
Frassinoro MO 10 1926 18597
Polinago MO 11 1672 20269
Villa Minozzo RE 11 3750 24019
Baiso RE 12 3315 27334
Lama Mocogno MO 13 2734 30068
Serramazzoni MO 16 8282 38350
Casina RE 16 4504 42854
Castelnovo ne' Monti RE 17 10465 53319
Castellarano RE 17 15232 68551
Riolunato MO 18 712 69263
Montecreto MO 18 940 70203
Viano RE 18 3374 73577
Pavullo nel Frignano MO 19 17383 90960
Pievepelago MO 20 2222 93182

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km S of Reggio nell'Emilia (171345 inhabitants)
39 Km SW of Modena (184973 inhabitants)
50 Km SW of Carpi (70699 inhabitants)
51 Km SE of Parma (192836 inhabitants)
53 Km NE of Carrara (63133 inhabitants)
53 Km NE of Massa (69479 inhabitants)
56 Km NW of Pistoia (90315 inhabitants)
60 Km W of Bologna (386663 inhabitants)
61 Km N of Lucca (89046 inhabitants)
64 Km NE of Viareggio (62467 inhabitants)
69 Km NW of Prato (191150 inhabitants)
69 Km E of La Spezia (93959 inhabitants)
76 Km N of Pisa (89158 inhabitants)
84 Km NW of Scandicci (50609 inhabitants)
86 Km NW of Firenze (382808 inhabitants)
89 Km W of Imola (69797 inhabitants)
95 Km SE of Cremona (71901 inhabitants)
95 Km SW of Ferrara (133155 inhabitants)
96 Km N 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 1.4 2019-08-04
09:20:39		 44.386 10.6022 9 2019-11-13
14:31:06		 Bollettino Sismico Italiano INGV 73266451
Reviewed
Rev100 		ML 1.4 2019-08-04
09:20:39		 44.3877 10.6033 10 2019-08-04
09:28:32		 Sala Sismica INGV-Roma 71157831
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-08-04 09:20:39 ± 0.18
Latitude 44.3860 ± 0.0090
Longitude 10.6022 ± 0.0113
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 73266451

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1012
Semi-minor axis of confidence ellipse (meter) 796
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 355
Circular confidence region, given by single value of horizontal uncertainty (meter) 1010.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 171
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.56298
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 71157831
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-08-04 09:28:32

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 73266451
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-10-15 10:47:05
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VVLD.HHZ. 2019-08-04T09:22:20.43 3.0 undecidable manual Sg 2.63 0
IV.ERC.EHZ. 2019-08-04T09:22:19.36 3.0 undecidable manual Pn 1.02 0
IV.VCEL.EHZ. 2019-08-04T09:22:09.96 3.0 undecidable manual Sn -1.62 0
IT.MTCL.HGZ. 2019-08-04T09:21:54.01 3.0 undecidable manual Sg 3.45 0
IV.MONC.HHZ. 2019-08-04T09:21:48.09 3.0 undecidable manual Sg 6.14 0
IV.AGLI.HHZ. 2019-08-04T09:21:43.41 3.0 undecidable manual Pg 8.16 0
MN.TRI.HHZ. 2019-08-04T09:21:27.66 3.0 positive manual Pg 2.62 0
IV.MILN.HNZ. 2019-08-04T09:21:26.54 3.0 undecidable manual S -2.11 0
IV.MOCL.EHZ. 2019-08-04T09:20:59.77 0.6 undecidable manual S 132 62.493 50 0.72 37
GU.GRAM.HHZ. 2019-08-04T09:20:54.93 0.6 undecidable manual S 286 44.0226 50 0.8 36
GU.CARD.HHZ. 2019-08-04T09:20:53.48 0.6 undecidable manual S 193 41.0256 50 0.15 45
GU.POPM.HHZ. 2019-08-04T09:20:53.13 0.6 undecidable manual S 162 39.7269 50 0.14 46
IV.BDI.HNZ. 2019-08-04T09:20:52.01 0.6 undecidable manual S 181 35.8419 50 0.07 47
MN.VLC.HHZ. 2019-08-04T09:20:50.75 0.3 undecidable manual S 214 30.4473 107 0.27 68
IV.MOCL.EHZ. 2019-08-04T09:20:50.30 0.3 undecidable manual P 132 62.493 50 -0.47 63
GU.SARM.EHZ. 2019-08-04T09:20:49.66 0.3 undecidable manual S 216 27.5502 108 0.14 72
GU.CARD.HHZ. 2019-08-04T09:20:47.14 0.1 undecidable manual P 193 41.0256 50 -0.33 90
GU.GRAM.HHZ. 2019-08-04T09:20:47.59 0.1 undecidable manual P 286 44.0226 50 -0.34 90
GU.POPM.HHZ. 2019-08-04T09:20:46.91 0.1 undecidable manual P 162 39.7269 50 -0.36 89
IV.BDI.HNZ. 2019-08-04T09:20:46.40 0.1 undecidable manual P 181 35.8419 50 -0.27 92
IV.ZCCA.HHZ. 2019-08-04T09:20:46.14 0.1 undecidable manual P 97 29.9478 107 0.41 90
GU.SARM.EHZ. 2019-08-04T09:20:45.22 0.1 undecidable manual P 216 27.5502 108 -0.05 96
MN.VLC.HHZ. 2019-08-04T09:20:45.78 0.1 positive manual P 214 30.4473 107 -0.04 97
GU.GSCL.HHZ. 2019-08-04T09:20:41.68 0.1 positive manual P 196 4.0959 156 0.22 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
MN.VLC.HHN. ML:1.2 0.00007780000000000001 0.22 AML other m 2019-08-04T09:20:46.21
MN.VLC.HHE. ML:1.2 0.00007704999999999999 0.54 AML other m 2019-08-04T09:20:52.31
IV.ZCCA.HHE. ML:1.5 0.00014600000000000003 1.6 AML other m 2019-08-04T09:20:53.89
GU.CARD.HHE. ML:1.4 0.00008625 1.14 AML other m 2019-08-04T09:20:54.35
IV.ZCCA.HHN. ML:1.5 0.000168 0.34 AML other m 2019-08-04T09:20:54.85
GU.POPM.HHN. ML:1.9 0.000265 0.44 AML other m 2019-08-04T09:20:54.74
GU.POPM.HHE. ML:1.6 0.000133 1.24 AML other m 2019-08-04T09:20:55.03
GU.CARD.HHN. ML:1.2 0.00005875 0.44 AML other m 2019-08-04T09:20:56.52
GU.GRAM.HHE. ML:1.5 0.0000986 0.2 AML other m 2019-08-04T09:20:56.65
GU.GRAM.HHN. ML:1.5 0.000101 1.14 AML other m 2019-08-04T09:20:56.35
IV.MOCL.EHE. ML:1.2 0.0000315 0.38 AML other m 2019-08-04T09:21:03.14
IV.MOCL.EHN. ML:1.0 0.000019586 0.42 AML other m 2019-08-04T09:21:23.38
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