Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 18-07-2019 and time 20:36:42 (Italy) in region 4 km NW Borgo Tossignano (BO)

A magnitude ML 2.2 earthquake occured in region: 4 km NW Borgo Tossignano (BO), on

  • 18-07-2019 18:36:42 (UTC)
  • 18-07-2019 20:36:42 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.3100, 11.5660 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
Borgo Tossignano BO 4 3288 3288
Casalfiumanese BO 4 3438 6726
Fontanelice BO 6 1943 8669
Dozza BO 8 6652 15321
Castel San Pietro Terme BO 10 20811 36132
Casola Valsenio RA 11 2617 38749
Castel del Rio BO 12 1246 39995
Imola BO 13 69797 109792
Monterenzio BO 13 6035 115827
Riolo Terme RA 13 5720 121547
Castel Guelfo di Bologna BO 16 4455 126002
Ozzano dell'Emilia BO 17 13596 139598
Castel Bolognese RA 19 9554 149152
Brisighella RA 19 7639 156791
Medicina BO 20 16739 173530
Pianoro BO 20 17460 190990
Loiano BO 20 4294 195284

Municipalities with at least 50000 inhabitants

An earthquake occurred to
13 Km W of Imola (69797 inhabitants)
25 Km W of Faenza (58541 inhabitants)
27 Km SE of Bologna (386663 inhabitants)
39 Km W of Forlì (117913 inhabitants)
52 Km W of Ravenna (159116 inhabitants)
57 Km W of Cesena (96758 inhabitants)
59 Km S of Ferrara (133155 inhabitants)
61 Km NE of Prato (191150 inhabitants)
63 Km SE of Modena (184973 inhabitants)
65 Km NE of Firenze (382808 inhabitants)
67 Km NE of Pistoia (90315 inhabitants)
69 Km NE of Scandicci (50609 inhabitants)
75 Km SE of Carpi (70699 inhabitants)
84 Km W of Rimini (147750 inhabitants)
86 Km SE of Reggio nell'Emilia (171345 inhabitants)
87 Km S of Rovigo (51867 inhabitants)
97 Km N of Arezzo (99543 inhabitants)
100 Km NE of Lucca (89046 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 2.2 2019-07-18
18:36:42		 44.3105 11.5662 25 2019-11-13
14:31:07		 Bollettino Sismico Italiano INGV 73288931
Reviewed
Rev100 		ML 2.2 2019-07-18
18:36:42		 44.3118 11.5632 26 2019-07-18
18:56:35		 Sala Sismica INGV-Roma 70691131
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-07-18 18:36:42 ± 0.14
Latitude 44.3105 ± 0.0090
Longitude 11.5662 ± 0.0151
Depth (km) 25 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 73288931

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1170
Semi-minor axis of confidence ellipse (meter) 464
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 260
Circular confidence region, given by single value of horizontal uncertainty (meter) 1170.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 52
Number of associated phases, regardless of their use for origin computation 45
Number of defining phases 45
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.57
Epicentral distance of station closest to the epicenter (degree) 0.10072
Epicentral distance of station farthest from the epicenter (degree) 1.70511
Number of stations at which the event was observed 36
Number of stations from which data was used for origin computation 36
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 32
Type of magnitude ML
Reference to an origin 73288931
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-11-13 09:53:14

ML:2.2

Field Value
Value 2.2
Uncertainty 0.4
Num. used stations 58
Type of magnitude ML
Reference to an origin 70691131
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-07-18 18:56:35
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
SI.LUSI.HHZ. 2019-07-18T18:37:11.18 0.3 undecidable manual P 345 189.2661 54 -0.74 43
IV.MSSA.HHZ. 2019-07-18T18:37:10.59 0.3 undecidable manual P 271 162.615 54 1.99 24
ST.VARA.EHZ. 2019-07-18T18:37:09.61 0.3 undecidable manual P 343 176.0904 54 -0.67 47
ST.DOSS.HHZ. 2019-07-18T18:37:09.38 0.3 undecidable manual P 350 176.6898 54 -0.97 42
IV.MAGA.HHZ. 2019-07-18T18:37:09.88 0.3 undecidable manual P 336 178.2882 54 -0.68 47
OX.CGRP.HHZ. 2019-07-18T18:37:09.16 0.1 undecidable manual P 6 175.1913 54 -1.01 55
IV.ROVR.HHZ. 2019-07-18T18:37:06.99 0.3 undecidable manual P 346 153.2355 54 -0.44 58
IV.ATVO.HHZ. 2019-07-18T18:37:05.10 0.6 undecidable manual P 147 122.988 97 1.62 24
IV.ATPI.EHZ. 2019-07-18T18:37:04.32 0.6 undecidable manual P 145 116.4945 97 1.84 21
IV.PIEI.HHZ. 2019-07-18T18:37:03.76 0.3 undecidable manual P 138 115.6953 98 1.4 42
IV.TEOL.HHZ. 2019-07-18T18:37:01.84 0.1 undecidable manual P 4 116.8941 97 -0.7 77
IV.PE3.EHZ. 2019-07-18T18:37:00.95 0.6 undecidable manual P 132 100.8213 99 0.87 38
IV.MTCR.EHZ. 2019-07-18T18:37:00.74 0.3 undecidable manual S 235 54.7008 108 0.14 75
IV.SFI.EHZ. 2019-07-18T18:37:00.03 0.3 undecidable manual S 153 50.2164 109 0.55 71
IV.RUFI.EHZ. 2019-07-18T18:37:00.60 0.3 undecidable manual S 185 52.6029 108 0.53 70
IV.CSNT.HHZ. 2019-07-18T18:37:00.30 0.1 undecidable manual P 193 95.4378 99 1.02 71
IV.OSSC.HHZ. 2019-07-18T18:36:59.08 0.3 undecidable manual P 196 90.9423 100 0.48 66
GU.GSCL.HHN. 2019-07-18T18:36:58.68 0.3 undecidable manual P 274 77.7666 102 2.09 26
IV.PARC.HHZ. 2019-07-18T18:36:58.75 0.3 undecidable manual P 144 90.9423 100 0.16 71
IV.SSP9.EHZ. 2019-07-18T18:36:58.41 0.6 undecidable manual P 151 93.3399 100 -0.55 42
IV.SERM.EHN. 2019-07-18T18:36:58.05 0.1 undecidable manual P 345 80.4639 101 1.04 70
IV.MOCL.EHZ. 2019-07-18T18:36:58.20 0.3 undecidable manual S 222 45.7209 112 -0.14 78
IV.CRE.HHZ. 2019-07-18T18:36:57.79 0.1 undecidable manual P 158 82.6506 101 0.45 91
IV.FERS.HNE. 2019-07-18T18:36:56.12 0.3 undecidable manual P 358 65.7897 104 1.32 47
IV.CRMI.HHZ. 2019-07-18T18:36:56.28 0.3 undecidable manual P 220 73.8705 102 0.28 71
IV.CAVE.HHE. 2019-07-18T18:36:56.74 0.6 undecidable manual P 324 75.9684 102 0.41 46
IV.RAVA.EHZ. 2019-07-18T18:36:55.58 0.3 undecidable manual P 325 60.7947 106 1.53 41
GU.POPM.HHZ. 2019-07-18T18:36:55.59 0.3 undecidable manual P 246 70.7736 103 0.05 75
IV.SEI.HHZ. 2019-07-18T18:36:54.88 0.3 undecidable manual S 210 32.8449 120 -0.37 76
IV.LMD.HHZ. 2019-07-18T18:36:54.16 0.3 undecidable manual S 156 28.1496 125 -0.04 81
IV.ZCCA.HHZ. 2019-07-18T18:36:52.77 0.3 undecidable manual P 276 47.0196 111 0.74 64
IV.BRIS.HHZ. 2019-07-18T18:36:52.07 0.6 undecidable manual S 121 18.5703 138 -0.21 53
IV.MPPT.EHN. 2019-07-18T18:36:52.47 0.1 undecidable manual P 224 54.501 108 -0.65 89
IV.SFI.EHZ. 2019-07-18T18:36:52.17 0.1 undecidable manual P 153 50.2164 109 -0.33 97
IV.MTCR.EHZ. 2019-07-18T18:36:52.67 0.1 undecidable manual P 235 54.7008 108 -0.48 94
IV.RUFI.EHZ. 2019-07-18T18:36:52.53 0.1 undecidable manual P 185 52.6029 108 -0.31 98
IV.IMOL.EHZ. 2019-07-18T18:36:52.09 0.3 undecidable manual S 69 14.9739 145 0.41 76
IV.MTRZ.HHZ. 2019-07-18T18:36:51.38 0.3 undecidable manual S 271 11.1777 153 0.22 79
IV.MOCL.EHZ. 2019-07-18T18:36:51.20 0.1 undecidable manual P 222 45.7209 112 -0.64 91
IV.CMPO.HNE. 2019-07-18T18:36:51.01 0.3 undecidable manual P 32 35.4423 118 0.59 70
IV.SEI.HHZ. 2019-07-18T18:36:49.33 0.1 undecidable manual P 210 32.8449 120 -0.74 89
IV.LMD.HHZ. 2019-07-18T18:36:48.60 0.1 undecidable manual P 156 28.1496 125 -0.86 85
IV.MTRZ.HHZ. 2019-07-18T18:36:47.00 0.1 positive manual P 271 11.1777 153 -0.7 96
IV.BRIS.HHZ. 2019-07-18T18:36:47.72 0.1 positive manual P 121 18.5703 138 -0.63 95
IV.IMOL.EHZ. 2019-07-18T18:36:47.47 0.1 undecidable manual P 69 14.9739 145 -0.54 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BRIS.HNE. ML:2.4 0.00125450115 0.448 AML other m 2019-07-18T18:36:52.22
IV.BRIS.HHE. ML:2.4 0.00119928565 0.3328 AML other m 2019-07-18T18:36:52.27
IV.MTRZ.HHE. ML:2.9 0.00429 0.32 AML other m 2019-07-18T18:36:52.54
IV.MTRZ.HNE. ML:2.8 0.004095 0.3 AML other m 2019-07-18T18:36:52.55
IV.MTRZ.HHN. ML:3.0 0.0058622225 0.2816 AML other m 2019-07-18T18:36:53.38
IV.MTRZ.HNN. ML:3.0 0.005565 0.28 AML other m 2019-07-18T18:36:53.38
IV.IMOL.HNE. ML:2.7 0.002534759 0.4608 AML other m 2019-07-18T18:36:54.05
IV.BRIS.HNN. ML:2.2 0.00087296525 0.2944 AML other m 2019-07-18T18:36:54.67
IV.BRIS.HHN. ML:2.2 0.00087683855 0.2944 AML other m 2019-07-18T18:36:54.53
IV.LMD.HHE. ML:2.5 0.0012967713 0.32 AML other m 2019-07-18T18:36:54.75
IV.IMOL.HNN. ML:2.5 0.0017000000000000001 1.6 AML other m 2019-07-18T18:36:54.03
IV.LMD.HHN. ML:2.5 0.0012686817 0.2304 AML other m 2019-07-18T18:36:54.78
IV.SEI.HHN. ML:3.1 0.00433 0.64 AML other m 2019-07-18T18:36:55.66
IV.SEI.HHE. ML:2.7 0.001915 0.48 AML other m 2019-07-18T18:36:57.29
IV.MOCL.EHN. ML:2.1 0.0003085 0.92 AML other m 2019-07-18T18:36:59.10
IV.MOCL.EHE. ML:2.1 0.00029200000000000005 0.58 AML other m 2019-07-18T18:36:59.56
IV.SFI.EHE. ML:2.2 0.0003775 0.42 AML other m 2019-07-18T18:37:00.70
IV.SFI.EHN. ML:2.3 0.000437 0.5 AML other m 2019-07-18T18:37:00.99
IV.SFI.HNN. ML:2.3 0.00047599999999999997 0.5 AML other m 2019-07-18T18:37:00.74
IV.SFI.HNE. ML:2.2 0.00038849999999999996 0.88 AML other m 2019-07-18T18:37:01.69
IV.MTCR.EHE. ML:2.0 0.00023546885 0.4096 AML other m 2019-07-18T18:37:02.05
IV.MTCR.EHN. ML:2.0 0.0002008935 0.3328 AML other m 2019-07-18T18:37:02.05
IV.RUFI.EHE. ML:1.9 0.00017575915 0.448 AML other m 2019-07-18T18:37:02.84
IV.RUFI.EHN. ML:1.9 0.00017373655 0.4608 AML other m 2019-07-18T18:37:03.78
IV.MAGO.CHN. ML:1.9 0.000050350000000000004 0.32 AML other m 2019-07-18T18:37:07.30
IV.OSSC.HHN. ML:2.0 0.000117985115 0.6528 AML other m 2019-07-18T18:37:15.50
IV.PIEI.HHE. ML:2.0 0.00007175000000000001 0.42 AML other m 2019-07-18T18:37:24.18
IV.PIEI.HHN. ML:1.9 0.00005495 0.8 AML other m 2019-07-18T18:37:26.19
IV.ATPI.EHE. ML:2.0 0.00006950000000000001 0.46 AML other m 2019-07-18T18:37:28.46
IV.ARVD.HHE. ML:2.0 0.000059499999999999996 0.38 AML other m 2019-07-18T18:37:32.44
MN.TRI.HHN. ML:2.0 0.00001963376 0.4096 AML other m 2019-07-18T18:37:54.89
MN.TRI.HHE. ML:2.1 0.000028112484999999998 0.512 AML other m 2019-07-18T18:37:55.05
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
Waveforms Seismic signals in miniseed + resp format Download