Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 09-09-2007 and time 04:31:56 (Italy) in region 3 km SE Castel Bolognese (RA)

A magnitude ML 2.0 earthquake occured in region: 3 km SE Castel Bolognese (RA), on

  • 09-09-2007 02:31:56 (UTC)
  • 09-09-2007 04:31:56 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.3020, 11.8270 at 2 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
Castel Bolognese RA 3 9554 9554
Faenza RA 5 58541 68095
Solarolo RA 7 4488 72583
Riolo Terme RA 9 5720 78303
Bagnara di Romagna RA 10 2429 80732
Brisighella RA 10 7639 88371
Imola BO 11 69797 158168
Mordano BO 11 4760 162928
Cotignola RA 13 7474 170402
Lugo RA 15 32390 202792
Sant'Agata sul Santerno RA 16 2862 205654
Massa Lombarda RA 16 10653 216307
Modigliana FC 16 4560 220867
Casalfiumanese BO 17 3438 224305
Dozza BO 17 6652 230957
Castrocaro Terme e Terra del Sole FC 17 6426 237383
Bagnacavallo RA 18 16739 254122
Russi RA 18 12247 266369
Casola Valsenio RA 18 2617 268986
Castel Guelfo di Bologna BO 19 4455 273441
Borgo Tossignano BO 19 3288 276729
Forlì FC 19 117913 394642

Municipalities with at least 50000 inhabitants

An earthquake occurred to
5 Km W of Faenza (58541 inhabitants)
11 Km SE of Imola (69797 inhabitants)
19 Km W of Forlì (117913 inhabitants)
32 Km W of Ravenna (159116 inhabitants)
38 Km W of Cesena (96758 inhabitants)
44 Km E of Bologna (386663 inhabitants)
62 Km S of Ferrara (133155 inhabitants)
65 Km W of Rimini (147750 inhabitants)
75 Km NE of Prato (191150 inhabitants)
75 Km NE of Firenze (382808 inhabitants)
79 Km NE of Scandicci (50609 inhabitants)
81 Km E of Modena (184973 inhabitants)
83 Km E of Pistoia (90315 inhabitants)
86 Km S of Rovigo (51867 inhabitants)
92 Km SE of Carpi (70699 inhabitants)
93 Km N of Arezzo (99543 inhabitants)
97 Km W of Pesaro (94582 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 		Md 2.4
ML 2.0 		2007-09-09
02:31:56		 44.302 11.827 2 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 651079
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2007-09-09 02:31:56 ± 0.17
Latitude 44.3020 ± 0.0072
Longitude 11.8270 ± 0.0088
Depth (km) 2 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 651079

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 760
Semi-minor axis of confidence ellipse (meter) 186
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 17
Circular confidence region, given by single value of horizontal uncertainty (meter) 1063.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 100
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 27
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.63
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.75008
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.4
Num. used stations
Type of magnitude ML
Reference to an origin 651079
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 12:22:18

Md:2.4

Field Value
Value 2.4
Uncertainty 0.3
Num. used stations
Type of magnitude Md
Reference to an origin 651079
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 12:22:18
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MAGA.BHE. 2007-09-09T02:32:50.38 0.1 undecidable manual Sg 331 188.5668 -0.42 59
IV.APPI.EHZ. 2007-09-09T02:32:31.04 10.0 undecidable manual Pg 0 0 0
IV.NOVE.EHN. 2007-09-09T02:32:29.05 10.0 undecidable manual Pg 0 0 0
IV.FSSB.BHN. 2007-09-09T02:32:28.72 0.1 undecidable manual Sg 131 101.5206 0.925 65
IV.NRCA.SHZ. 2007-09-09T02:32:28.72 0.1 undecidable manual Pg 147 192.9624 0.442 57
IV.CTI.EHZ. 2007-09-09T02:32:27.24 0.1 undecidable manual Pg 356 194.2611 -1.196 41
IV.CSNT.BHZ. 2007-09-09T02:32:27.75 0.1 undecidable manual Sg 205 101.4207 -0.019 86
IV.MAGA.BHE. 2007-09-09T02:32:26.92 0.1 undecidable manual Pg 331 188.5668 -0.807 51
IV.CRMI.HHE. 2007-09-09T02:32:26.04 10.0 undecidable manual Pg 0 0 0
IV.RAVA.EHN. 2007-09-09T02:32:22.57 10.0 undecidable manual Pg 0 0 0
IV.SNTG.SHZ. 2007-09-09T02:32:21.75 10.0 undecidable manual Pg 0 0 0
IV.PZZT.HHN. 2007-09-09T02:32:21.37 0.1 undecidable manual Sg 256 79.0653 -0.415 83
IV.MURB.HHE. 2007-09-09T02:32:19.45 0.1 undecidable manual Pg 154 128.0718 0.917 62
IV.PII.SHZ. 2007-09-09T02:32:18.08 0.1 undecidable manual Pg 239 122.1888 0.457 75
IV.FNVD.HHZ. 2007-09-09T02:32:16.74 0.1 undecidable manual Sg 255 57.8976 0.598 81
IV.CSNT.BHZ. 2007-09-09T02:32:15.20 0.1 undecidable manual Pg 205 101.4207 0.771 70
IV.BDI.HHE. 2007-09-09T02:32:15.34 0.1 undecidable manual Pg 255 101.3208 0.921 65
IV.FSSB.BHN. 2007-09-09T02:32:14.21 0.1 undecidable manual Pg 131 101.5206 -0.234 82
IV.BADI.EHN. 2007-09-09T02:32:12.48 0.1 undecidable manual Pg 159 94.0392 -0.801 70
IV.FIU.EHE. 2007-09-09T02:32:12.84 0.1 undecidable manual Sg 325 46.0206 0.663 81
IV.SEI.SHZ. 2007-09-09T02:32:12.47 0.1 undecidable manual Sg 234 46.3203 0.193 92
IV.VMG.SHZ. 2007-09-09T02:32:11.42 0.1 undecidable manual Sg 211 43.9227 -0.047 95
IV.SFI.SHZ. 2007-09-09T02:32:10.91 0.1 undecidable manual Sg 178 44.0226 -0.601 83
IV.PZZT.HHN. 2007-09-09T02:32:10.86 0.1 undecidable manual Pg 256 79.0653 -0.114 88
IV.FNVD.HHZ. 2007-09-09T02:32:07.10 0.1 undecidable manual Pg 255 57.8976 -0.617 81
IV.RSM.SHZ. 2007-09-09T02:32:07.97 0.1 undecidable manual Pg 129 64.491 -0.766 75
IV.SEI.SHZ. 2007-09-09T02:32:05.20 0.1 undecidable manual Pg 234 46.3203 -0.284 90
IV.SFI.SHZ. 2007-09-09T02:32:05.23 0.1 undecidable manual Pg 178 44.0226 0.188 92
IV.FIU.EHE. 2007-09-09T02:32:05.36 0.1 undecidable manual Pg 325 46.0206 -0.067 94
IV.VMG.SHZ. 2007-09-09T02:32:04.78 0.1 undecidable manual Pg 211 43.9227 -0.237 92
IV.BRSN.SHZ. 2007-09-09T02:32:03.44 0.1 undecidable manual Sg 96 19.9689 0.277 95
IV.BRSN.SHZ. 2007-09-09T02:32:00.21 0.1 undecidable manual Pg 96 19.9689 -0.013 100
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