Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.4 on date 03-02-2017 and time 17:47:54 (Italy) in region 3 km W Casola Valsenio (RA)

A magnitude ML 2.4 earthquake occured in region: 3 km W Casola Valsenio (RA), on

  • 03-02-2017 16:47:54 (UTC)
  • 03-02-2017 17:47:54 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.2320, 11.5850 at 18 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
Casola Valsenio RA 3 2617 2617
Fontanelice BO 4 1943 4560
Borgo Tossignano BO 5 3288 7848
Castel del Rio BO 7 1246 9094
Casalfiumanese BO 8 3438 12532
Riolo Terme RA 12 5720 18252
Palazzuolo sul Senio FI 14 1154 19406
Dozza BO 15 6652 26058
Brisighella RA 15 7639 33697
Imola BO 17 69797 103494
Marradi FI 18 3139 106633
Monterenzio BO 18 6035 112668
Castel San Pietro Terme BO 19 20811 133479
Modigliana FC 19 4560 138039
Castel Bolognese RA 20 9554 147593

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km SW of Imola (69797 inhabitants)
25 Km W of Faenza (58541 inhabitants)
35 Km SE of Bologna (386663 inhabitants)
36 Km W of Forlì (117913 inhabitants)
53 Km W of Ravenna (159116 inhabitants)
54 Km W of Cesena (96758 inhabitants)
55 Km NE of Prato (191150 inhabitants)
58 Km NE of Firenze (382808 inhabitants)
62 Km NE of Scandicci (50609 inhabitants)
63 Km NE of Pistoia (90315 inhabitants)
67 Km S of Ferrara (133155 inhabitants)
70 Km SE of Modena (184973 inhabitants)
81 Km W of Rimini (147750 inhabitants)
83 Km SE of Carpi (70699 inhabitants)
88 Km N of Arezzo (99543 inhabitants)
92 Km SE of Reggio nell'Emilia (171345 inhabitants)
95 Km S of Rovigo (51867 inhabitants)
97 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 2.4 2017-02-03
16:47:54		 44.2323 11.5852 18 2018-01-10
09:51:17		 Bollettino Sismico Italiano INGV 50048411
Reviewed
Rev100 		ML 2.4 2017-02-03
16:47:53		 44.2112 11.6188 28 2017-02-03
17:08:36		 Sala Sismica INGV-Roma 40465011
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-02-03 16:47:54 ± 0.13
Latitude 44.2323 ± 0.0072
Longitude 11.5852 ± 0.0088
Depth (km) 18 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 50048411

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 769
Semi-minor axis of confidence ellipse (meter) 453
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 337
Circular confidence region, given by single value of horizontal uncertainty (meter) 770.0
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 63
Number of defining phases 35
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.36
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.22667
Number of stations at which the event was observed 55
Number of stations from which data was used for origin computation 28
Magnitudes information

ML:2.4

Field Value
Value 2.4
Uncertainty 0.3
Num. used stations 7
Type of magnitude ML
Reference to an origin 40465011
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-02-03 17:08:36

ML:2.4

Field Value
Value 2.4
Uncertainty 0.2
Num. used stations 5
Type of magnitude ML
Reference to an origin 50048411
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-09-13 15:59:54
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
AC.VLO.HHZ. 2017-02-03T16:48:44.08 3.0 positive manual Pg 24.389999 0
RF.GEPF.HHZ. 2017-02-03T16:48:42.16 3.0 negative manual Pg 18.049999 0
IV.EUCT.HNZ. 2017-02-03T16:48:38.49 3.0 negative manual Pg 14.66 0
IV.VOBA.HNZ. 2017-02-03T16:48:32.64 3.0 negative manual Pg 10.85 0
IV.SPS2.HHZ. 2017-02-03T16:48:29.79 3.0 undecidable manual Sn -3.94 0
IV.CTI.HHZ. 2017-02-03T16:48:23.11 3.0 undecidable manual Pn -0.01 0
IV.LEOD.HNZ. 2017-02-03T16:48:23.70 3.0 positive manual Pn 2.4 0
GU.GRAM.HHZ. 2017-02-03T16:48:21.15 3.0 undecidable manual P 284 122.7882 6.27 0
IV.ZONE.HHZ. 2017-02-03T16:48:18.94 3.0 negative manual Pn -5.96 0
SI.LUSI.HHZ. 2017-02-03T16:48:18.61 3.0 positive manual Pn -5.42 0
IV.ATLO.EHZ. 2017-02-03T16:48:17.06 3.0 undecidable manual P 147 120.7902 2.43 0
Z3.A303A.HHZ. 2017-02-03T16:48:17.17 0.6 undecidable manual P 25 136.1637 93 0.3 38
IV.ZOVE.HNZ. 2017-02-03T16:48:16.53 0.6 undecidable manual P 357 135.6642 93 -0.27 37
IV.ATVA.EHZ. 2017-02-03T16:48:15.52 3.0 undecidable manual P 152 119.7912 1.03 0
IV.TEOL.HHZ. 2017-02-03T16:48:15.02 0.3 undecidable manual P 3 125.4744 94 -0.21 58
IV.MPAG.EHZ. 2017-02-03T16:48:14.55 3.0 undecidable manual P 125 115.7952 0.73 0
IV.ATVO.HHZ. 2017-02-03T16:48:14.35 0.6 undecidable manual P 145 114.996 94 0.74 34
IV.FROS.HHZ. 2017-02-03T16:48:14.92 0.3 undecidable manual P 197 118.5924 94 0.76 50
IV.PIEI.HNZ. 2017-02-03T16:48:13.25 0.3 undecidable manual P 135 108.3138 94 0.66 53
IV.ATPI.EHZ. 2017-02-03T16:48:13.13 1.0 undecidable manual P 143 108.6135 94 0.5 19
IV.HAGA.HHZ. 2017-02-03T16:48:12.08 3.0 undecidable manual Pn -0.2 0
IV.PE3.EHZ. 2017-02-03T16:48:12.72 3.0 undecidable manual P 129 94.5387 2.25 0
IV.PII.HHZ. 2017-02-03T16:48:11.81 0.3 undecidable manual P 237 101.8203 94 0.22 61
GU.CARD.HHZ. 2017-02-03T16:48:10.22 0.3 undecidable manual P 256 90.7425 95 0.33 61
GU.MAIM.HHZ. 2017-02-03T16:48:10.67 0.3 undecidable manual P 248 94.0392 95 0.28 62
IV.ASQU.HHZ. 2017-02-03T16:48:10.40 0.3 undecidable manual S 161 51.0156 100 -0.28 68
IV.TRTR.HHZ. 2017-02-03T16:48:09.05 3.0 undecidable manual Sg 4.75 0
IV.CSNT.HHZ. 2017-02-03T16:48:09.88 0.1 positive manual P 196 87.4458 95 0.49 79
IV.OSSC.HNZ. 2017-02-03T16:48:09.17 0.1 negative manual P 199 83.1501 96 0.44 81
IV.PARC.HHZ. 2017-02-03T16:48:08.92 0.6 undecidable manual P 141 83.1501 96 0.19 43
IV.RUFI.EHZ. 2017-02-03T16:48:08.81 0.3 undecidable manual S 188 44.1225 102 -0.08 71
IV.MOCL.EHZ. 2017-02-03T16:48:08.10 0.3 undecidable manual S 232 40.9257 104 0.06 71
IV.BDI.HNZ. 2017-02-03T16:48:08.89 0.6 undecidable manual P 257 80.9523 96 0.5 40
IV.CRE.HHZ. 2017-02-03T16:48:07.24 0.3 undecidable manual P 157 74.0703 97 -0.1 67
IV.T1241.EHZ. 2017-02-03T16:48:06.70 3.0 undecidable manual S 2.52 0
IV.CRMI.HHZ. 2017-02-03T16:48:06.76 0.1 negative manual P 225 68.376 97 0.29 86
Z3.A305A.HHZ. 2017-02-03T16:48:05.90 3.0 undecidable manual P 104.8173 -6.2 0
IV.SEI.HHZ. 2017-02-03T16:48:04.50 0.3 undecidable manual S 222 26.751 114 0.05 73
IV.ZCCA.HNZ. 2017-02-03T16:48:04.24 0.6 undecidable manual P 285 50.1165 101 0.56 42
IV.MCRV.HHZ. 2017-02-03T16:48:04.05 3.0 undecidable manual S 3.66 0
IV.ASQU.HHZ. 2017-02-03T16:48:03.27 0.3 undecidable manual P 161 51.0156 100 -0.54 63
IV.MTCR.EHZ. 2017-02-03T16:48:03.31 0.1 positive manual P 244 51.6039 100 -0.6 82
IV.MPPT.EHZ. 2017-02-03T16:48:03.16 0.3 undecidable manual P 232 49.8168 101 -0.48 64
IV.IMOL.EHZ. 2017-02-03T16:48:03.40 0.3 undecidable manual S 41 18.87 125 0.79 62
IV.LMD.HHZ. 2017-02-03T16:48:02.80 0.3 undecidable manual S 150 19.7691 124 -0.01 75
IV.BRIS.HHZ. 2017-02-03T16:48:02.10 0.1 undecidable manual S 93 14.4744 134 0.4 94
IV.TERO.HHZ. 2017-02-03T16:48:02.46 3.0 undecidable manual S 2.61 0
IV.RUFI.EHZ. 2017-02-03T16:48:02.13 0.3 undecidable manual P 188 44.1225 102 -0.65 61
IV.BRSN.HNE. 2017-02-03T16:48:01.81 0.3 undecidable manual P 82 39.7269 104 -0.31 67
IV.MOCL.EHZ. 2017-02-03T16:48:01.90 0.1 positive manual P 232 40.9257 104 -0.39 89
IV.SEI.HHZ. 2017-02-03T16:47:59.69 0.3 undecidable manual P 222 26.751 114 -0.53 66
IV.IMOL.EHZ. 2017-02-03T16:47:58.98 0.1 positive manual P 41 18.87 125 -0.17 95
IV.BRIS.HHZ. 2017-02-03T16:47:58.17 0.1 negative manual P 93 14.4744 134 -0.46 91
IV.MTRZ.HHZ. 2017-02-03T16:47:58.77 0.1 negative manual P 305 15.5733 132 0.01 100
IV.LMD.HHZ. 2017-02-03T16:47:58.63 0.1 negative manual P 150 19.7691 124 -0.64 85
IV.TRIV.HNZ. 2017-02-03T16:47:56.16 3.0 undecidable manual S 2.7 0
IV.IACL.HHZ. 2017-02-03T16:47:53.51 3.0 positive manual Pn -0.73 0
IV.MMO1.EHZ. 2017-02-03T16:47:45.27 3.0 undecidable manual Pg 4.59 0
IV.MCRV.HHZ. 2017-02-03T16:47:40.21 3.0 undecidable manual Pn 2.14 0
IV.T1214.EHZ. 2017-02-03T16:47:39.06 3.0 undecidable manual P -0.09 0
IV.T1243.HHZ. 2017-02-03T16:47:36.67 3.0 undecidable manual P -1.78 0
IV.T1299.EHZ. 2017-02-03T16:47:36.79 3.0 negative manual P -0.98 0
IV.SACR.HHZ. 2017-02-03T16:47:32.97 3.0 undecidable manual P -1.05 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BRIS.HHN. ML:2.6 0.0029100000000000003 0.22 AML other m 2017-02-03T16:48:02.37
IV.BRIS.HNN. ML:2.5 0.00227 0.42 AML other m 2017-02-03T16:48:02.36
IV.BRIS.HNE. ML:2.6 0.002555 0.6 AML other m 2017-02-03T16:48:02.45
IV.BRIS.HHE. ML:2.6 0.0025099999999999996 0.6 AML other m 2017-02-03T16:48:02.45
IV.IMOL.HNE. ML:2.1 0.000869 0.88 AML other m 2017-02-03T16:48:05.10
IV.IMOL.HNN. ML:2.1 0.00088 0.44 AML other m 2017-02-03T16:48:05.21
IV.LMD.HHN. ML:2.0 0.000618 1.86 AML other m 2017-02-03T16:48:03.01
IV.LMD.HHE. ML:2.1 0.0007709999999999999 0.36 AML other m 2017-02-03T16:48:03.26
IV.MTRZ.HNE. ML:2.3 0.001375 1.38 AML other m 2017-02-03T16:48:04.26
IV.MTRZ.HHE. ML:2.3 0.001425 1.4 AML other m 2017-02-03T16:48:04.25
IV.MTRZ.HHN. ML:2.6 0.0024050000000000005 0.46 AML other m 2017-02-03T16:48:05.50
IV.MTRZ.HNN. ML:2.5 0.002375 0.44 AML other m 2017-02-03T16:48:05.51
IV.SEI.HHN. ML:2.7 0.002565 0.26 AML other m 2017-02-03T16:48:05.09
IV.SEI.HHE. ML:2.2 0.000807 0.44 AML other m 2017-02-03T16:48:05.58
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