Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 18-05-2018 and time 06:28:07 (Italy) in region 4 km SW Tredozio (FC)

A magnitude ML 2.0 earthquake occured in region: 4 km SW Tredozio (FC), on

  • 18-05-2018 04:28:07 (UTC)
  • 18-05-2018 06:28:07 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.0620, 11.7030 at 5 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
Tredozio FC 4 1212 1212
Marradi FI 7 3139 4351
Portico e San Benedetto FC 7 756 5107
Premilcuore FC 11 799 5906
Rocca San Casciano FC 11 1910 7816
Modigliana FC 13 4560 12376
Palazzuolo sul Senio FI 14 1154 13530
Dovadola FC 16 1653 15183
San Godenzo FI 16 1167 16350
Galeata FC 18 2516 18866
Brisighella RA 19 7639 26505
Casola Valsenio RA 19 2617 29122
Civitella di Romagna FC 20 3786 32908

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km SW of Faenza (58541 inhabitants)
33 Km SW of Forlì (117913 inhabitants)
33 Km S of Imola (69797 inhabitants)
44 Km W of Cesena (96758 inhabitants)
48 Km NE of Firenze (382808 inhabitants)
52 Km E of Prato (191150 inhabitants)
54 Km NE of Scandicci (50609 inhabitants)
56 Km SW of Ravenna (159116 inhabitants)
56 Km SE of Bologna (386663 inhabitants)
64 Km E of Pistoia (90315 inhabitants)
68 Km N of Arezzo (99543 inhabitants)
69 Km W of Rimini (147750 inhabitants)
86 Km S of Ferrara (133155 inhabitants)
88 Km NE of Siena (53903 inhabitants)
90 Km SE of Modena (184973 inhabitants)
98 Km W of Pesaro (94582 inhabitants)
99 Km E 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 2.0 2018-05-18
04:28:07		 44.062 11.7027 5 2019-04-24
14:50:50		 Bollettino Sismico Italiano INGV 59298061
Reviewed
Rev100 		ML 2.0 2018-05-18
04:28:07		 44.0668 11.7068 6 2018-05-18
04:35:57		 Sala Sismica INGV-Roma 56971931
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-05-18 04:28:07 ± 0.07
Latitude 44.0620 ± 0.0036
Longitude 11.7027 ± 0.0050
Depth (km) 5 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 59298061

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 449
Semi-minor axis of confidence ellipse (meter) 155
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 40
Circular confidence region, given by single value of horizontal uncertainty (meter) 450.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 91
Number of associated phases, regardless of their use for origin computation 54
Number of defining phases 41
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.91371
Number of stations at which the event was observed 35
Number of stations from which data was used for origin computation 25
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 38
Type of magnitude ML
Reference to an origin 56971931
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-05-18 04:35:57

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 40
Type of magnitude ML
Reference to an origin 59298061
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-03-05 17:01:36
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MODR.HHZ. 2018-05-18T04:29:39.67 3.0 undecidable manual Sn -2.58 0
IV.VIVA.HHZ. 2018-05-18T04:29:22.06 3.0 undecidable manual Sg 1.56 0
IV.EUCT.HNZ. 2018-05-18T04:29:17.18 3.0 undecidable manual Sg 2.89 0
IV.PTQR.HHZ. 2018-05-18T04:29:15.18 3.0 undecidable manual Sn -4.16 0
IV.MTCE.HHZ. 2018-05-18T04:29:14.84 3.0 undecidable manual Sg 0.79 0
IV.VVLD.HHZ. 2018-05-18T04:28:53.88 3.0 undecidable manual Pg 2.9 0
IV.LPEL.HHZ. 2018-05-18T04:28:51.99 3.0 undecidable manual Pn -0.52 0
MN.TRI.HHZ. 2018-05-18T04:28:44.42 3.0 undecidable manual Pn -1.57 0
CR.BRJN.HHZ. 2018-05-18T04:28:37.26 3.0 positive manual Pn -1.64 0
IV.ATPI.EHZ. 2018-05-18T04:28:35.60 3.0 undecidable manual S 140 87.9453 50 0.63 0
IV.CAFI.HHZ. 2018-05-18T04:28:34.00 0.6 undecidable manual S 165 83.9493 50 0.1 43
IV.FDMO.HHZ. 2018-05-18T04:28:33.77 3.0 undecidable manual P -0.62 0
IV.CSNT.HHZ. 2018-05-18T04:28:31.20 0.6 undecidable manual S 207 73.1712 50 0.18 43
GU.POPM.HHZ. 2018-05-18T04:28:31.80 0.3 undecidable manual S 269 75.369 50 0.19 64
IV.BADI.EHZ. 2018-05-18T04:28:31.80 0.6 undecidable manual S 145 75.0693 50 0.28 42
IV.OSSC.HHZ. 2018-05-18T04:28:30.40 0.6 undecidable manual S 212 70.0743 50 0.23 43
IV.CPGN.EHZ. 2018-05-18T04:28:29.40 3.0 undecidable manual S 120 57.1983 50 2.65 0
IV.SSP9.EHZ. 2018-05-18T04:28:28.20 0.3 undecidable manual S 147 64.0914 50 -0.39 63
IV.PARC.HHZ. 2018-05-18T04:28:28.20 0.6 undecidable manual S 137 62.7927 50 -0.04 45
IV.MTCR.EHZ. 2018-05-18T04:28:26.60 0.6 undecidable manual S 266 55.9995 50 0.19 44
IV.PII.HHZ. 2018-05-18T04:28:25.31 1.0 undecidable manual P 249 101.4207 50 -0.19 20
IV.CRE.HHZ. 2018-05-18T04:28:25.30 0.3 undecidable manual S 158 53.0025 50 -0.34 65
IV.MPPT.EHN. 2018-05-18T04:28:24.90 0.6 undecidable manual S 257 50.2164 50 0.02 47
GU.GSCL.HHZ. 2018-05-18T04:28:24.60 0.6 undecidable manual P 290 94.239 50 0.2 41
IV.FNVD.HHZ. 2018-05-18T04:28:24.40 0.3 undecidable manual S 284 47.619 50 0.21 67
IV.ATPI.EHZ. 2018-05-18T04:28:23.03 0.6 undecidable manual P 140 87.9453 50 -0.4 40
IV.MOCL.EHZ. 2018-05-18T04:28:22.10 0.3 undecidable manual S 262 42.1245 97 -0.29 67
IV.CAFI.HHZ. 2018-05-18T04:28:22.91 0.6 undecidable manual P 165 83.9493 50 0.09 43
GU.POPM.HHZ. 2018-05-18T04:28:21.89 1.0 undecidable manual P 269 75.369 50 0.39 21
IV.BADI.EHZ. 2018-05-18T04:28:21.46 1.0 undecidable manual P 145 75.0693 50 0.01 22
IV.CSNT.HHZ. 2018-05-18T04:28:21.35 0.6 undecidable manual P 207 73.1712 50 0.19 43
IV.IMOL.EHZ. 2018-05-18T04:28:20.20 3.0 undecidable manual S 5 33.1446 99 0.88 0
IV.ZCCA.HNN. 2018-05-18T04:28:20.97 1.0 undecidable manual P 299 65.9895 50 0.92 17
IV.OSSC.HHZ. 2018-05-18T04:28:20.63 1.0 undecidable manual P 212 70.0743 50 -0.04 22
IV.SSP9.EHZ. 2018-05-18T04:28:19.71 0.6 undecidable manual P 147 64.0914 50 -0.05 45
IV.CMPO.HNN. 2018-05-18T04:28:19.27 1.0 undecidable manual P 8 58.0974 50 0.44 21
IV.PARC.HHZ. 2018-05-18T04:28:19.26 1.0 undecidable manual P 137 62.7927 50 -0.29 21
IV.CPGN.EHZ. 2018-05-18T04:28:19.14 0.6 undecidable manual P 120 57.1983 50 0.45 42
IV.RUFI.EHZ. 2018-05-18T04:28:18.40 0.3 undecidable manual S 212 29.2485 100 0.42 67
IV.ASQU.HHZ. 2018-05-18T04:28:18.60 0.3 undecidable manual S 167 30.2475 99 0.28 69
IV.MTCR.EHZ. 2018-05-18T04:28:18.12 0.1 undecidable manual P 266 55.9995 50 -0.38 85
IV.MPPT.EHN. 2018-05-18T04:28:17.22 0.6 undecidable manual P 257 50.2164 50 -0.39 43
IV.CRE.HHZ. 2018-05-18T04:28:17.38 0.3 undecidable manual P 158 53.0025 50 -0.67 59
IV.FNVD.HHZ. 2018-05-18T04:28:16.88 0.3 undecidable manual P 284 47.619 50 -0.34 66
IV.MTRZ.HNN. 2018-05-18T04:28:15.41 0.6 undecidable manual P 322 35.5422 98 0.54 42
IV.MOCL.EHZ. 2018-05-18T04:28:15.79 0.1 undecidable manual P 262 42.1245 97 -0.38 87
IV.SFI.HNZ. 2018-05-18T04:28:15.40 0.3 undecidable manual S 147 20.868 104 0.25 70
IV.FAEN.HNZ. 2018-05-18T04:28:14.25 1.0 undecidable manual P 29 28.749 100 0.71 20
IV.IMOL.EHZ. 2018-05-18T04:28:14.64 0.3 undecidable manual P 5 33.1446 99 0.24 69
IV.ASQU.HHZ. 2018-05-18T04:28:13.74 0.1 positive manual P 167 30.2475 99 -0.08 95
IV.RUFI.EHZ. 2018-05-18T04:28:13.72 0.1 positive manual P 212 29.2485 100 0.09 95
IV.SFI.HNZ. 2018-05-18T04:28:12.11 0.1 positive manual P 147 20.868 104 0.12 96
IV.LMD.HHZ. 2018-05-18T04:28:09.30 0.1 undecidable manual S 12 1.7982 161 -0.23 97
IV.LMD.HHZ. 2018-05-18T04:28:08.67 0.1 negative manual P 12 1.7982 161 -0.08 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SFI.HNE. ML:2.2 0.0013250000000000002 0.14 AML other m 2018-05-18T04:28:15.81
IV.SFI.EHE. ML:2.2 0.001335 0.14 AML other m 2018-05-18T04:28:15.82
IV.SFI.EHN. ML:2.3 0.001643507 0.1024 AML other m 2018-05-18T04:28:16.48
IV.SFI.HNN. ML:2.3 0.001625 0.12 AML other m 2018-05-18T04:28:16.48
IV.RUFI.EHN. ML:2.3 0.0010085365 0.2624 AML other m 2018-05-18T04:28:18.96
IV.RUFI.EHE. ML:1.9 0.000442515 0.4192 AML other m 2018-05-18T04:28:19.00
IV.ASQU.HHN. ML:2.4 0.0011984655000000003 0.3424 AML other m 2018-05-18T04:28:19.07
IV.IMOL.HNN. ML:2.5 0.0014949999999999998 1.1 AML other m 2018-05-18T04:28:22.99
IV.IMOL.HNE. ML:2.4 0.00126 0.84 AML other m 2018-05-18T04:28:23.46
IV.MOCL.EHN. ML:2.3 0.0006665000000000001 0.22 AML other m 2018-05-18T04:28:23.31
IV.MOCL.EHE. ML:2.0 0.0003172357 1.3408 AML other m 2018-05-18T04:28:23.60
IV.FNVD.HHN. ML:2.1 0.0003380011 0.5184 AML other m 2018-05-18T04:28:24.59
IV.FNVD.HHE. ML:2.1 0.00036634540000000004 0.4992 AML other m 2018-05-18T04:28:25.40
IV.CRE.HHN. ML:2.4 0.000617 0.44 AML other m 2018-05-18T04:28:25.63
IV.CRE.HHE. ML:2.1 0.0003375 0.64 AML other m 2018-05-18T04:28:25.43
IV.MTCR.EHE. ML:1.8 0.00014490369999999999 0.6176 AML other m 2018-05-18T04:28:27.59
IV.MTCR.EHN. ML:1.7 0.00011295455 2.2208 AML other m 2018-05-18T04:28:26.70
IV.BADI.EHN. ML:1.6 0.00006060186000000001 0.4992 AML other m 2018-05-18T04:28:32.19
IV.PARC.HHN. ML:1.8 0.0001365 0.48 AML other m 2018-05-18T04:28:32.82
IV.PARC.HHE. ML:1.8 0.00011885 1.48 AML other m 2018-05-18T04:28:32.85
IV.BADI.EHE. ML:1.9 0.00011949999999999999 0.5 AML other m 2018-05-18T04:28:33.26
GU.POPM.HHE. ML:1.8 0.0001022 0.84 AML other m 2018-05-18T04:28:33.18
GU.POPM.HHN. ML:2.0 0.00016949999999999997 0.26 AML other m 2018-05-18T04:28:33.48
IV.OSSC.HHN. ML:2.0 0.0001795 0.74 AML other m 2018-05-18T04:28:34.72
IV.OSSC.HHE. ML:2.1 0.0002175 0.5 AML other m 2018-05-18T04:28:35.04
IV.OSSC.HNN. ML:2.2 0.00026700000000000004 0.52 AML other m 2018-05-18T04:28:35.30
IV.CSNT.HHE. ML:2.0 0.0001675 0.44 AML other m 2018-05-18T04:28:35.37
IV.CSNT.HHN. ML:2.1 0.00022 0.58 AML other m 2018-05-18T04:28:35.47
IV.ATPI.EHN. ML:1.5 0.000033841535 0.3808 AML other m 2018-05-18T04:28:36.02
IV.OSSC.HNE. ML:2.0 0.0001795 0.86 AML other m 2018-05-18T04:28:36.17
IV.CAFI.HNE. ML:1.8 0.00008817007000000001 1.2992 AML other m 2018-05-18T04:28:36.14
IV.CAFI.HHE. ML:2.0 0.0001445 0.64 AML other m 2018-05-18T04:28:37.27
IV.CAFI.HHN. ML:1.8 0.00007489999999999999 0.32 AML other m 2018-05-18T04:28:38.82
IV.ATPI.EHE. ML:1.8 0.00007915 0.36 AML other m 2018-05-18T04:28:41.68
IV.PII.HHN. ML:1.9 0.00007879999999999999 1.46 AML other m 2018-05-18T04:28:43.76
GU.GSCL.HHE. ML:1.7 0.00006055 1.02 AML other m 2018-05-18T04:28:46.53
IV.PII.HHE. ML:1.9 0.0000756 1.66 AML other m 2018-05-18T04:28:46.12
GU.GSCL.HHN. ML:1.8 0.0000637 0.96 AML other m 2018-05-18T04:28:50.05
IV.FDMO.HHE. ML:1.8 0.000028450000000000004 0.64 AML other m 2018-05-18T04:29:06.40
IV.FDMO.HHN. ML:1.7 0.000027249999999999998 0.7 AML other m 2018-05-18T04:29:08.62
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