Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 23-01-2015 and time 08:19:09 (Italy) in region 3 km W Castiglione dei Pepoli (BO)

A magnitude ML 2.0 earthquake occured in region: 3 km W Castiglione dei Pepoli (BO), on

  • 23-01-2015 07:19:09 (UTC)
  • 23-01-2015 08:19:09 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.1380, 11.1210 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
Castiglione dei Pepoli BO 3 5648 5648
Camugnano BO 4 1885 7533
Castel di Casio BO 7 3448 10981
Vernio PO 10 6060 17041
Sambuca Pistoiese PT 10 1626 18667
Alto Reno Terme BO 12 6960 25627
Cantagallo PO 12 3105 28732
San Benedetto Val di Sambro BO 13 4315 33047
Grizzana Morandi BO 13 3916 36963
Gaggio Montano BO 16 4878 41841
Vergato BO 16 7639 49480
Barberino di Mugello FI 18 10836 60316
Monghidoro BO 18 3749 64065
Lizzano in Belvedere BO 18 2212 66277
Castel d'Aiano BO 19 1906 68183
Vaiano PO 19 9895 78078
Monzuno BO 20 6328 84406

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km NE of Pistoia (90315 inhabitants)
29 Km N of Prato (191150 inhabitants)
42 Km N of Firenze (382808 inhabitants)
42 Km N of Scandicci (50609 inhabitants)
44 Km SW of Bologna (386663 inhabitants)
53 Km W of Imola (69797 inhabitants)
59 Km S of Modena (184973 inhabitants)
59 Km NE of Lucca (89046 inhabitants)
63 Km W of Faenza (58541 inhabitants)
74 Km SE of Reggio nell'Emilia (171345 inhabitants)
74 Km W of Forlì (117913 inhabitants)
74 Km NE of Pisa (89158 inhabitants)
74 Km S of Carpi (70699 inhabitants)
76 Km E of Viareggio (62467 inhabitants)
79 Km E of Massa (69479 inhabitants)
82 Km E of Carrara (63133 inhabitants)
87 Km SW of Ferrara (133155 inhabitants)
90 Km W of Cesena (96758 inhabitants)
91 Km W of Ravenna (159116 inhabitants)
92 Km NE of Livorno (159219 inhabitants)
93 Km N of Siena (53903 inhabitants)
96 Km NW of Arezzo (99543 inhabitants)
97 Km SE of Parma (192836 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 2015-01-23
07:19:09		 44.1377 11.1212 9 2015-10-19
09:26:59		 Bollettino Sismico Italiano INGV 21396791
Reviewed
Rev100 		ML 2.0 2015-01-23
07:19:09		 44.138 11.129 10 2015-01-23
07:37:50		 Sala Sismica INGV-Roma 16678591
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2015-01-23 07:19:09 ± 0.1
Latitude 44.1377 ± 0.0063
Longitude 11.1212 ± 0.0063
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 21396791

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 694
Semi-minor axis of confidence ellipse (meter) 498
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 347
Circular confidence region, given by single value of horizontal uncertainty (meter) 690.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 49
Number of associated phases, regardless of their use for origin computation 40
Number of defining phases 32
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.39
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.69518
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 19
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 16678591
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2015-01-23 07:37:49

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 21396791
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-09-15 12:12:14
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GIUL.HHZ. 2015-01-23T07:20:40.99 3.0 undecidable manual Sg 7.24 0
IV.LATB.EHZ. 2015-01-23T07:20:28.99 3.0 undecidable manual Sn -4.01 0
IV.PTRJ.HNZ. 2015-01-23T07:20:15.35 3.0 undecidable manual Pg 8.59 0
IV.LEOD.HNZ. 2015-01-23T07:19:57.99 3.0 undecidable manual S -0.02 0
IV.APEC.HHZ. 2015-01-23T07:19:45.99 3.0 undecidable manual S -1.26 0
IV.BOB.HHZ. 2015-01-23T07:19:38.42 3.0 undecidable manual P 3.87 0
IV.ATFO.HHZ. 2015-01-23T07:19:36.94 3.0 undecidable manual P 3.58 0
IV.FSSB.HHZ. 2015-01-23T07:19:34.12 3.0 undecidable manual P 1.06 0
IV.OSSC.HHZ. 2015-01-23T07:19:31.30 0.3 undecidable manual S 172 68.8755 50 0.35 65
IV.PII.HHZ. 2015-01-23T07:19:30.11 0.3 undecidable manual S 226 66.2781 50 -0.16 68
IV.ASQU.HHZ. 2015-01-23T07:19:30.06 0.3 undecidable manual S 125 65.3901 50 0.03 70
IV.SFI.EHZ. 2015-01-23T07:19:29.34 0.1 undecidable manual S 114 63.3921 50 -0.16 91
MN.VLC.HHZ. 2015-01-23T07:19:28.72 0.3 undecidable manual S 273 58.497 50 0.52 64
GU.MAIM.HHZ. 2015-01-23T07:19:27.56 0.3 undecidable manual S 244 55.9995 50 0.03 71
IV.BRIS.HHE. 2015-01-23T07:19:27.54 0.1 undecidable manual S 79 52.2033 50 1.02 70
IV.CRMI.HNN. 2015-01-23T07:19:23.15 0.3 undecidable manual S 197 39.627 50 0 74
IV.OSSC.HHZ. 2015-01-23T07:19:23.26 0.3 undecidable manual P 172 68.8755 50 1.28 44
IV.BDI.HHZ. 2015-01-23T07:19:23.73 0.3 undecidable manual S 259 42.7239 50 -0.24 70
GU.EQUI.HHN. 2015-01-23T07:19:23.30 0.3 undecidable manual P 273 77.1672 50 0.04 68
IV.PII.HHZ. 2015-01-23T07:19:21.40 0.1 undecidable manual P 226 66.2781 50 -0.19 90
IV.ASQU.HHZ. 2015-01-23T07:19:21.56 0.1 undecidable manual P 125 65.3901 50 0.11 92
IV.ERBM.EHZ. 2015-01-23T07:19:21.35 0.6 undecidable manual P 299 64.3911 50 0.06 46
IV.SFI.EHZ. 2015-01-23T07:19:20.58 0.1 undecidable manual P 114 63.3921 50 -0.56 83
GU.POPM.HHZ. 2015-01-23T07:19:20.72 0.1 undecidable manual S 251 30.747 50 -0.07 99
MN.VLC.HHZ. 2015-01-23T07:19:20.68 0.3 undecidable manual P 273 58.497 50 0.29 67
GU.MAIM.HHZ. 2015-01-23T07:19:19.53 0.1 undecidable manual P 244 55.9995 50 -0.47 86
IV.BRIS.HHE. 2015-01-23T07:19:19.98 0.1 undecidable manual P 79 52.2033 50 0.56 85
IV.RUFI.EHZ. 2015-01-23T07:19:17.66 0.3 undecidable manual P 137 45.4212 50 -0.72 60
IV.CRMI.HNN. 2015-01-23T07:19:17.17 0.3 undecidable manual P 197 39.627 50 -0.3 69
IV.PTF.SHZ. 2015-01-23T07:19:17.56 0.1 undecidable manual S 192 20.0688 115 0.15 99
IV.LMD.HHZ. 2015-01-23T07:19:17.57 0.3 undecidable manual P 98 47.1195 50 -1.07 51
IV.BDI.HHZ. 2015-01-23T07:19:17.72 0.1 undecidable manual P 259 42.7239 50 -0.23 93
IV.MTCR.EHZ. 2015-01-23T07:19:16.37 0.1 undecidable manual S 218 15.3735 121 0.4 95
GU.POPM.HHZ. 2015-01-23T07:19:15.88 0.1 positive manual P 251 30.747 50 -0.23 95
IV.ZCCA.HHZ. 2015-01-23T07:19:15.91 0.1 undecidable manual P 334 26.2515 109 0.6 87
IV.MTRZ.HHZ. 2015-01-23T07:19:15.92 0.3 undecidable manual P 51 30.9468 50 -0.23 72
IV.PTF.SHZ. 2015-01-23T07:19:14.07 0.1 undecidable manual P 192 20.0688 115 -0.09 100
IV.MTCR.EHZ. 2015-01-23T07:19:13.59 0.1 undecidable manual P 218 15.3735 121 0.26 97
IV.FNVD.HHZ. 2015-01-23T07:19:12.85 0.1 undecidable manual S 2 3.3966 160 -0.3 98
IV.FNVD.HHZ. 2015-01-23T07:19:11.44 0.1 undecidable manual P 2 3.3966 160 -0.26 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BDI.HHN. ML:2.2 0.0005395 0.96 AML other m 2015-01-23T07:19:24.56
IV.BDI.HNN. ML:2.2 0.0005845000000000001 0.96 AML other m 2015-01-23T07:19:24.56
IV.BDI.HHE. ML:2.1 0.000437 0.34 AML other m 2015-01-23T07:19:24.60
IV.BDI.HNE. ML:2.1 0.00040500000000000003 0.8 AML other m 2015-01-23T07:19:25.98
IV.FNVD.HHE. ML:2.6 0.008379999999999999 0.12 AML other m 2015-01-23T07:19:13.13
IV.LMD.HHN. ML:1.7 0.000149 1.12 AML other m 2015-01-23T07:19:28.92
IV.LMD.HHE. ML:1.7 0.00013450000000000002 0.5 AML other m 2015-01-23T07:19:31.14
GU.MAIM.HHN. ML:1.9 0.0001645 1.42 AML other m 2015-01-23T07:19:28.85
GU.MAIM.HHE. ML:1.8 0.00014500000000000003 0.44 AML other m 2015-01-23T07:19:29.09
IV.MTCR.EHE. ML:2.7 0.004475 0.18 AML other m 2015-01-23T07:19:16.58
IV.MTCR.EHN. ML:2.6 0.003965 0.28 AML other m 2015-01-23T07:19:16.51
IV.MTRZ.HHN. ML:2.1 0.000611 0.76 AML other m 2015-01-23T07:19:27.57
IV.MTRZ.HNN. ML:2.1 0.0005989999999999999 0.76 AML other m 2015-01-23T07:19:27.57
IV.MTRZ.HHE. ML:2.1 0.0006355 1.48 AML other m 2015-01-23T07:19:36.91
IV.MTRZ.HNE. ML:2.1 0.000631 1.46 AML other m 2015-01-23T07:19:36.92
IV.OSSC.HHE. ML:2.0 0.0001535 1.38 AML other m 2015-01-23T07:19:33.12
IV.OSSC.HHN. ML:2.0 0.00018449999999999999 0.74 AML other m 2015-01-23T07:19:34.89
IV.PII.HHN. ML:2.1 0.00022149999999999996 1.04 AML other m 2015-01-23T07:19:34.29
IV.PII.HHE. ML:2.2 0.000268 0.32 AML other m 2015-01-23T07:19:32.82
GU.POPM.HHE. ML:2.5 0.0014849999999999998 0.14 AML other m 2015-01-23T07:19:21.39
GU.POPM.HHN. ML:2.7 0.002615 0.18 AML other m 2015-01-23T07:19:21.39
IV.SFI.EHE. ML:1.8 0.00013265 0.48 AML other m 2015-01-23T07:19:29.65
IV.SFI.EHN. ML:2.0 0.000193 0.32 AML other m 2015-01-23T07:19:29.58
MN.VLC.HNE. ML:1.8 0.000123 0.98 AML other m 2015-01-23T07:19:30.71
MN.VLC.HHN. ML:1.8 0.000141 0.28 AML other m 2015-01-23T07:19:29.84
MN.VLC.HNN. ML:1.8 0.00013900000000000002 0.28 AML other m 2015-01-23T07:19:29.85
MN.VLC.HHE. ML:1.7 0.00010250000000000001 0.98 AML other m 2015-01-23T07:19:30.22
IV.ZCCA.HHE. ML:1.8 0.000374 1.52 AML other m 2015-01-23T07:19:29.26
IV.ZCCA.HHN. ML:1.8 0.000336 0.5 AML other m 2015-01-23T07:19:34.32
IV.ZCCA.HNN. ML:2.1 0.0006485000000000001 1.12 AML other m 2015-01-23T07:19:53.67
IV.ZCCA.HNE. ML:2.0 0.000512 1.58 AML other m 2015-01-23T07:19:53.68
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