Earthquake with magnitude of Md 2.2 on date 19-09-2003 and time 00:23:38 (UTC) in region 7 km NW Castel del Rio (BO)

A magnitude Md 2.2 earthquake occured in region: 7 km NW Castel del Rio (BO), on

  • 19-09-2003 00:23:38 (UTC)
  • 19-09-2003 02:23:38 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.2570, 11.4460 at 10 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.

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 del Rio BO 7 1246 1246
Monterenzio BO 8 6035 7281
Fontanelice BO 9 1943 9224
Loiano BO 10 4294 13518
Monghidoro BO 11 3749 17267
Borgo Tossignano BO 12 3288 20555
Monzuno BO 14 6328 26883
Casalfiumanese BO 14 3438 30321
Casola Valsenio RA 15 2617 32938
Firenzuola FI 16 4726 37664
Pianoro BO 17 17460 55124
San Benedetto Val di Sambro BO 18 4315 59439
Palazzuolo sul Senio FI 18 1154 60593
Dozza BO 19 6652 67245
Castel San Pietro Terme BO 20 20811 88056

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km W of Imola (69797 inhabitants)
28 Km SE of Bologna (386663 inhabitants)
35 Km W of Faenza (58541 inhabitants)
48 Km W of Forlì (117913 inhabitants)
50 Km NE of Prato (191150 inhabitants)
55 Km NE of Pistoia (90315 inhabitants)
56 Km N of Firenze (382808 inhabitants)
59 Km NE of Scandicci (50609 inhabitants)
60 Km SE of Modena (184973 inhabitants)
63 Km W of Ravenna (159116 inhabitants)
65 Km W of Cesena (96758 inhabitants)
66 Km S of Ferrara (133155 inhabitants)
74 Km SE of Carpi (70699 inhabitants)
81 Km SE of Reggio nell'Emilia (171345 inhabitants)
88 Km NE of Lucca (89046 inhabitants)
92 Km W of Rimini (147750 inhabitants)
95 Km NW of Arezzo (99543 inhabitants)
95 Km SW of Rovigo (51867 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 2.2 2003-09-19
00:23:38
44.257 11.446 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 485939
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2003-09-19 00:23:38 ± 0.33
Latitude 44.2570 ± 0.0198
Longitude 11.4460 ± 0.0270
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 485939

Uncertainty

Field Value
Preferred uncertainty description horizontal uncertainty
Semi-major axis of confidence ellipse (meter)
Semi-minor axis of confidence ellipse (meter)
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)
Circular confidence region, given by single value of horizontal uncertainty (meter) 3081.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 214
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00186
Epicentral distance of station farthest from the epicenter (degree) 0.00656
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 485939
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 00:43:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.CRE.Z. 2003-09-19T00:24:05.21 10.0 undecidable manual SG 150 0.7326 0.86 0.2
--.SFI.Z. 2003-09-19T00:23:56.30 10.0 undecidable manual SG 140 0.444 0.86 0.2
--.PGD.Z. 2003-09-19T00:23:54.61 10.0 undecidable manual SG 152 0.4218 0 0.9
--.CRE.Z. 2003-09-19T00:23:53.48 10.0 undecidable manual PG 150 0.7326 -0.12 1.6
--.VMG.Z. 2003-09-19T00:23:50.33 10.0 undecidable manual SG 166 0.2997 -0.22 0.8
--.SEI.Z. 2003-09-19T00:23:48.90 10.0 undecidable manual SG 197 0.2109 0.47 0.6
--.SFI.Z. 2003-09-19T00:23:47.83 10.0 undecidable manual PG 140 0.444 -0.63 1
--.PGD.Z. 2003-09-19T00:23:47.47 10.0 undecidable manual PG 152 0.4218 -0.5 1.4
--.ZCCA.Z. 2003-09-19T00:23:46.69 10.0 undecidable manual PG 285 0.3441 0.22 2
--.VMG.Z. 2003-09-19T00:23:44.94 10.0 undecidable manual PG 166 0.2997 -0.69 0.9
--.SEI.Z. 2003-09-19T00:23:43.43 10.0 undecidable manual PG 197 0.2109 -0.51 1.4
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download