Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 16-02-2018 and time 13:27:10 (Italy) in region 1 km W Zola Predosa (BO)

A magnitude ML 1.9 earthquake occured in region: 1 km W Zola Predosa (BO), on

  • 16-02-2018 12:27:10 (UTC)
  • 16-02-2018 13:27:10 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.4960, 11.2020 at 30 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
Zola Predosa BO 1 18770 18770
Monte San Pietro BO 4 10982 29752
Anzola dell'Emilia BO 6 12267 42019
Casalecchio di Reno BO 7 36327 78346
Valsamoggia BO 9 30561 108907
Calderara di Reno BO 10 13196 122103
Bologna BO 11 386663 508766
Sasso Marconi BO 12 14735 523501
Savignano sul Panaro MO 13 9177 532678
Spilamberto MO 15 12621 545299
San Cesario sul Panaro MO 15 6407 551706
Vignola MO 15 25353 577059
Castel Maggiore BO 16 18231 595290
San Giovanni in Persiceto BO 16 27982 623272
Sala Bolognese BO 16 8353 631625
Castelfranco Emilia MO 16 32677 664302
Pianoro BO 17 17460 681762
San Lazzaro di Savena BO 17 32065 713827
Marzabotto BO 17 6779 720606
Marano sul Panaro MO 19 5060 725666
Sant'Agata Bolognese BO 20 7291 732957

Municipalities with at least 50000 inhabitants

An earthquake occurred to
11 Km W of Bologna (386663 inhabitants)
28 Km SE of Modena (184973 inhabitants)
41 Km SE of Carpi (70699 inhabitants)
44 Km W of Imola (69797 inhabitants)
50 Km SW of Ferrara (133155 inhabitants)
51 Km E of Reggio nell'Emilia (171345 inhabitants)
59 Km W of Faenza (58541 inhabitants)
66 Km NE of Pistoia (90315 inhabitants)
69 Km N of Prato (191150 inhabitants)
73 Km W of Forlì (117913 inhabitants)
77 Km E of Parma (192836 inhabitants)
79 Km SW of Rovigo (51867 inhabitants)
80 Km W of Ravenna (159116 inhabitants)
81 Km N of Firenze (382808 inhabitants)
82 Km N of Scandicci (50609 inhabitants)
91 Km NE of Lucca (89046 inhabitants)
92 Km W of Cesena (96758 inhabitants)
99 Km NE of Massa (69479 inhabitants)
99 Km E of Carrara (63133 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 1.9 2018-02-16
12:27:10		 44.4958 11.2018 30 2019-04-24
14:49:23		 Bollettino Sismico Italiano INGV 55276011
Reviewed
Rev100 		ML 1.9 2018-02-16
12:27:11		 44.432 11.1873 29 2018-02-16
12:39:38		 Sala Sismica INGV-Roma 53942111
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-02-16 12:27:10 ± 0.3
Latitude 44.4958 ± 0.0144
Longitude 11.2018 ± 0.0227
Depth (km) 30 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 55276011

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1688
Semi-minor axis of confidence ellipse (meter) 622
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 66
Circular confidence region, given by single value of horizontal uncertainty (meter) 1690.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 109
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.61
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.28333
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 44
Type of magnitude ML
Reference to an origin 55276011
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-04-09 09:06:20

ML:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations 28
Type of magnitude ML
Reference to an origin 53942111
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-02-16 12:39:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
MN.TRI.HHZ. 2018-02-16T12:28:32.18 3.0 undecidable manual Sg 5.5 0
IV.FRON.EHZ. 2018-02-16T12:27:59.76 3.0 undecidable manual S -2.12 0
IV.MSSA.HHZ. 2018-02-16T12:27:52.32 3.0 undecidable manual S -1.92 0
IV.MILN.HHZ. 2018-02-16T12:27:50.94 3.0 negative manual Pg 4.8 0
IV.EUCT.HNZ. 2018-02-16T12:27:47.55 3.0 undecidable manual Pg 3.07 0
IV.COR1.EHZ. 2018-02-16T12:27:42.87 3.0 positive manual Pn 0.3 0
IV.ZONE.HHZ. 2018-02-16T12:27:41.02 3.0 undecidable manual P -3.34 0
IV.CRMI.HHZ. 2018-02-16T12:27:34.16 0.3 undecidable manual S 193 79.6647 105 -0.37 63
IV.BLLA.EHZ. 2018-02-16T12:27:34.97 3.0 positive manual P -0.15 0
IV.RUFI.EHZ. 2018-02-16T12:27:33.41 0.3 undecidable manual S 161 76.9674 106 -0.43 63
IV.MAGO.HHZ. 2018-02-16T12:27:32.62 0.3 undecidable manual P 198 142.4463 54 -0.17 57
IV.CRE.HHZ. 2018-02-16T12:27:30.32 0.3 undecidable manual P 148 114.1968 54 1.05 48
IV.OSSC.HHZ. 2018-02-16T12:27:28.47 0.3 undecidable manual P 178 107.9142 101 0.01 65
IV.MTCR.EHZ. 2018-02-16T12:27:27.63 0.3 undecidable manual S 197 54.3012 113 -0.49 65
IV.SEI.HHZ. 2018-02-16T12:27:27.12 0.3 undecidable manual S 166 50.5161 115 -0.09 71
GU.CARD.HHZ. 2018-02-16T12:27:25.26 3.0 undecidable manual P 1.13 0
IV.SFI.EHZ. 2018-02-16T12:27:25.36 0.3 undecidable manual P 142 83.25 105 0.61 59
GU.MAIM.HHZ. 2018-02-16T12:27:25.62 0.3 undecidable manual P 221 85.7475 104 0.5 62
IV.CRMI.HHZ. 2018-02-16T12:27:24.71 0.3 undecidable manual P 193 79.6647 105 0.49 62
IV.RUFI.EHZ. 2018-02-16T12:27:24.74 0.1 undecidable manual P 161 76.9674 106 0.92 71
MN.VLC.HHZ. 2018-02-16T12:27:23.88 0.3 undecidable manual P 240 74.6697 107 0.4 64
GU.POPM.HHZ. 2018-02-16T12:27:22.15 0.1 undecidable manual P 215 61.1943 110 0.64 82
IV.MTRZ.HHZ. 2018-02-16T12:27:22.15 0.3 undecidable manual S 139 26.9508 134 0.2 72
IV.ZCCA.HHZ. 2018-02-16T12:27:21.91 0.1 undecidable manual S 228 24.0537 137 0.51 90
IV.FNVD.HHZ. 2018-02-16T12:27:21.98 0.1 undecidable manual S 190 36.9297 124 -2.06 37
IV.MOCL.EHZ. 2018-02-16T12:27:20.15 0.3 undecidable manual P 182 54.501 113 -0.4 66
IV.NDIM.HHZ. 2018-02-16T12:27:20.09 3.0 undecidable manual P 0
IV.MTCR.EHZ. 2018-02-16T12:27:20.00 0.3 undecidable manual P 197 54.3012 113 -0.51 64
IV.SEI.HHZ. 2018-02-16T12:27:18.92 0.6 undecidable manual P 166 50.5161 115 -1.07 34
IV.CAVE.HHN. 2018-02-16T12:27:18.53 0.3 undecidable manual P 339 43.9227 119 -0.55 65
IV.MTRZ.HHZ. 2018-02-16T12:27:18.08 0.1 undecidable manual P 139 26.9508 134 1.13 69
IV.FERS.HNN. 2018-02-16T12:27:18.63 0.3 undecidable manual P 30 52.503 114 -1.64 38
IV.FNVD.HHZ. 2018-02-16T12:27:17.08 0.1 undecidable manual P 190 36.9297 124 -1.08 69
IV.ZCCA.HHZ. 2018-02-16T12:27:16.70 0.1 undecidable manual P 228 24.0537 137 0.06 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ZCCA.HNN. ML:2.1 0.0005212974 0.5184 AML other m 2018-02-16T12:27:22.18
IV.ZCCA.HHE. ML:2.2 0.0005781513 0.4032 AML other m 2018-02-16T12:27:22.14
IV.ZCCA.HHN. ML:2.2 0.0005984077 0.5184 AML other m 2018-02-16T12:27:22.19
IV.ZCCA.HNE. ML:2.1 0.00052558885 0.2496 AML other m 2018-02-16T12:27:22.14
IV.FNVD.HHE. ML:2.2 0.0005428117 0.0768 AML other m 2018-02-16T12:27:22.24
IV.FNVD.HHN. ML:2.5 0.0009059619 0.1152 AML other m 2018-02-16T12:27:22.44
IV.MTRZ.HNE. ML:2.2 0.0005312354 0.256 AML other m 2018-02-16T12:27:26.31
IV.MTRZ.HHE. ML:2.2 0.0005340426000000001 0.256 AML other m 2018-02-16T12:27:26.31
IV.MTRZ.HHN. ML:2.1 0.0004079171 0.2624 AML other m 2018-02-16T12:27:26.12
IV.MTRZ.HNN. ML:2.0 0.0003958047 0.2816 AML other m 2018-02-16T12:27:26.12
IV.SEI.HHN. ML:2.4 0.0005052309500000001 0.2368 AML other m 2018-02-16T12:27:28.98
IV.SEI.HHE. ML:2.3 0.00042952984999999996 0.384 AML other m 2018-02-16T12:27:27.57
IV.MTCR.EHN. ML:2.1 0.00023020775 0.1792 AML other m 2018-02-16T12:27:28.49
IV.MTCR.EHE. ML:1.8 0.00012610151 0.2368 AML other m 2018-02-16T12:27:27.87
IV.MOCL.EHN. ML:1.7 0.00011019761999999999 0.2368 AML other m 2018-02-16T12:27:31.35
IV.MOCL.EHE. ML:1.8 0.00013340639999999998 0.32 AML other m 2018-02-16T12:27:30.47
GU.POPM.HHE. ML:2.1 0.00020058675 0.256 AML other m 2018-02-16T12:27:31.19
GU.POPM.HHN. ML:1.9 0.00013762615 0.1984 AML other m 2018-02-16T12:27:33.42
MN.VLC.HHN. ML:1.6 0.00005552206499999999 0.736 AML other m 2018-02-16T12:27:40.18
MN.VLC.HNN. ML:1.7 0.00007736321 1.1584 AML other m 2018-02-16T12:27:25.08
MN.VLC.HNE. ML:1.9 0.000102973965 0.864 AML other m 2018-02-16T12:27:45.41
MN.VLC.HHE. ML:1.5 0.000040462905 0.64 AML other m 2018-02-16T12:27:39.88
IV.CRMI.HHN. ML:1.6 0.00004432998 0.5184 AML other m 2018-02-16T12:27:36.69
IV.CRMI.HHE. ML:1.6 0.00004951751 0.6144 AML other m 2018-02-16T12:27:36.73
IV.RUFI.EHN. ML:1.7 0.00006415784 0.3968 AML other m 2018-02-16T12:27:37.11
IV.RUFI.EHE. ML:1.6 0.00005882238500000001 0.3776 AML other m 2018-02-16T12:27:37.19
GU.CARD.HHE. ML:1.8 0.00008362388500000001 0.1792 AML other m 2018-02-16T12:27:43.33
GU.CARD.HHN. ML:2.0 0.00012400015 0.3584 AML other m 2018-02-16T12:27:37.61
IV.SFI.EHN. ML:1.8 0.00008124551 0.5952 AML other m 2018-02-16T12:27:40.79
IV.SFI.HNE. ML:2.0 0.000120919515 0.8 AML other m 2018-02-16T12:27:46.49
IV.SFI.HNN. ML:2.2 0.00016934975000000002 0.9664 AML other m 2018-02-16T12:27:32.61
IV.SFI.EHE. ML:1.6 0.000047986300000000005 0.8256 AML other m 2018-02-16T12:27:39.21
GU.MAIM.HHN. ML:1.8 0.000077381585 0.7168 AML other m 2018-02-16T12:27:40.41
GU.MAIM.HHE. ML:1.7 0.00005657578 0.5632 AML other m 2018-02-16T12:27:41.58
IV.OSSC.HHN. ML:1.7 0.000044675515 0.7168 AML other m 2018-02-16T12:27:43.57
IV.OSSC.HNE. ML:2.2 0.00012274755 0.6144 AML other m 2018-02-16T12:28:04.33
IV.OSSC.HNN. ML:2.3 0.0001805765 1.1328 AML other m 2018-02-16T12:27:54.91
IV.OSSC.HHE. ML:1.8 0.000054917800000000005 0.64 AML other m 2018-02-16T12:27:44.17
IV.CRE.HHN. ML:2.0 0.00008509196999999999 0.5376 AML other m 2018-02-16T12:27:47.11
IV.CRE.HHE. ML:1.9 0.000055541515 0.6656 AML other m 2018-02-16T12:27:46.54
IV.MAGO.HHE. ML:1.7 0.00002516497 0.4992 AML other m 2018-02-16T12:27:56.04
IV.MAGO.HHN. ML:1.7 0.000023485905000000002 1.024 AML other m 2018-02-16T12:28:07.64
IV.BLLA.EHN. ML:2.6 0.0003143767 0.1984 AML other m 2018-02-16T12:27:49.80
IV.BLLA.EHE. ML:2.5 0.0002598883 0.1408 AML other m 2018-02-16T12:28:01.17
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