Earthquake with magnitude of Md 2.1 on date 24-09-2003 and time 20:14:53 (Italy) in region 5 km W Fontanelice (BO)

A magnitude Md 2.1 earthquake occured in region: 5 km W Fontanelice (BO), on

  • 24-09-2003 18:14:53 (UTC)
  • 24-09-2003 20:14:53 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.2710, 11.4960 at 6 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
Fontanelice BO 5 1943 1943
Castel del Rio BO 6 1246 3189
Borgo Tossignano BO 8 3288 6477
Monterenzio BO 9 6035 12512
Casalfiumanese BO 10 3438 15950
Casola Valsenio RA 11 2617 18567
Loiano BO 14 4294 22861
Dozza BO 15 6652 29513
Monghidoro BO 15 3749 33262
Castel San Pietro Terme BO 16 20811 54073
Pianoro BO 18 17460 71533
Monzuno BO 18 6328 77861
Palazzuolo sul Senio FI 18 1154 79015
Riolo Terme RA 18 5720 84735
Firenzuola FI 19 4726 89461
Ozzano dell'Emilia BO 20 13596 103057
Imola BO 20 69797 172854

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km W of Imola (69797 inhabitants)
28 Km SE of Bologna (386663 inhabitants)
31 Km W of Faenza (58541 inhabitants)
44 Km W of Forlì (117913 inhabitants)
54 Km NE of Prato (191150 inhabitants)
58 Km W of Ravenna (159116 inhabitants)
59 Km NE of Firenze (382808 inhabitants)
59 Km NE of Pistoia (90315 inhabitants)
61 Km W of Cesena (96758 inhabitants)
62 Km SE of Modena (184973 inhabitants)
62 Km NE of Scandicci (50609 inhabitants)
64 Km S of Ferrara (133155 inhabitants)
75 Km SE of Carpi (70699 inhabitants)
84 Km SE of Reggio nell'Emilia (171345 inhabitants)
89 Km W of Rimini (147750 inhabitants)
92 Km S of Rovigo (51867 inhabitants)
92 Km NE of Lucca (89046 inhabitants)
95 Km NW of Arezzo (99543 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 2.1 2003-09-24
18:14:53
44.271 11.496 6 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 486659
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2003-09-24 18:14:53 ± 0.366
Latitude 44.2710 ± 0.0161
Longitude 11.4960 ± 0.0171
Depth (km) 6 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 486659

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) 2242.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 222
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00210
Epicentral distance of station farthest from the epicenter (degree) 0.00729
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

Md:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 7
Type of magnitude Md
Reference to an origin 486659
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 00:44:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.CSNT.Z. 2003-09-24T18:15:21.36 10.0 undecidable manual SG 190 0.8103 -0.3 0.3
--.PGD.Z. 2003-09-24T18:15:10.21 10.0 undecidable manual SG 157 0.4218 0.88 0
--.CSNT.Z. 2003-09-24T18:15:09.11 10.0 undecidable manual PG 190 0.8103 -0.45 0.4
--.CRE.Z. 2003-09-24T18:15:07.90 10.0 undecidable manual PG 153 0.7326 -0.12 1.3
--.BDI.Z. 2003-09-24T18:15:07.70 10.0 undecidable manual PG 252 0.6771 0.01 1.5
--.VMG.Z. 2003-09-24T18:15:05.39 10.0 undecidable manual SG 173 0.3108 0.19 0.6
--.SFI.Z. 2003-09-24T18:15:02.80 10.0 undecidable manual PG 145 0.444 0.03 1.8
--.SEI.Z. 2003-09-24T18:15:02.89 10.0 undecidable manual SG 204 0.2331 0.45 0.2
--.PGD.Z. 2003-09-24T18:15:02.54 10.0 undecidable manual PG 157 0.4218 0.1 1.7
--.ZCCA.Z. 2003-09-24T18:15:01.78 10.0 undecidable manual PG 282 0.3774 0.24 1.3
--.VMG.Z. 2003-09-24T18:14:59.84 10.0 undecidable manual PG 173 0.3108 -0.21 1.4
--.SEI.Z. 2003-09-24T18:14:58.32 10.0 undecidable manual PG 204 0.2331 -0.14 1.6
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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