Earthquake with magnitude of Md 2.2 on date 15-09-2003 and time 18:06:56 (UTC) in region 7 km W Fontanelice (BO)

A magnitude Md 2.2 earthquake occured in region: 7 km W Fontanelice (BO), on

  • 15-09-2003 18:06:56 (UTC)
  • 15-09-2003 20:06:56 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.2740, 11.4750 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
Fontanelice BO 7 1943 1943
Castel del Rio BO 7 1246 3189
Monterenzio BO 8 6035 9224
Borgo Tossignano BO 9 3288 12512
Casalfiumanese BO 12 3438 15950
Loiano BO 12 4294 20244
Casola Valsenio RA 13 2617 22861
Monghidoro BO 14 3749 26610
Dozza BO 16 6652 33262
Monzuno BO 16 6328 39590
Pianoro BO 16 17460 57050
Castel San Pietro Terme BO 17 20811 77861
Palazzuolo sul Senio FI 19 1154 79015
Firenzuola FI 19 4726 83741
Ozzano dell'Emilia BO 19 13596 97337
Riolo Terme RA 20 5720 103057

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km W of Imola (69797 inhabitants)
27 Km SE of Bologna (386663 inhabitants)
33 Km W of Faenza (58541 inhabitants)
46 Km W of Forlì (117913 inhabitants)
53 Km NE of Prato (191150 inhabitants)
58 Km NE of Pistoia (90315 inhabitants)
59 Km NE of Firenze (382808 inhabitants)
60 Km W of Ravenna (159116 inhabitants)
60 Km SE of Modena (184973 inhabitants)
62 Km NE of Scandicci (50609 inhabitants)
63 Km W of Cesena (96758 inhabitants)
64 Km S of Ferrara (133155 inhabitants)
73 Km SE of Carpi (70699 inhabitants)
82 Km SE of Reggio nell'Emilia (171345 inhabitants)
90 Km W of Rimini (147750 inhabitants)
91 Km NE of Lucca (89046 inhabitants)
92 Km S of Rovigo (51867 inhabitants)
96 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 2.2
ML-VAX 1.7
2003-09-15
18:06:56
44.274 11.475 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 484929
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2003-09-15 18:06:56 ± 0.418
Latitude 44.2740 ± 0.0257
Longitude 11.4750 ± 0.0294
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 484929

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) 3693.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 221
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) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00210
Epicentral distance of station farthest from the epicenter (degree) 0.00664
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitudes information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 484929
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 00:42:21

ML:1.7

Field Value
Value 1.7
Uncertainty
Num. used stations 4
Type of magnitude ML
Reference to an origin 484929
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 13:07:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.SFI.Z. 2003-09-15T18:07:14.30 10.0 undecidable manual SG 143 0.444 0.7 0.2
--.PGD.Z. 2003-09-15T18:07:13.97 10.0 undecidable manual SG 155 0.4329 1.29 0
--.CRE.Z. 2003-09-15T18:07:11.37 10.0 undecidable manual PG 152 0.7326 -0.18 0.9
--.BDI.Z. 2003-09-15T18:07:10.14 10.0 undecidable manual PG 251 0.6549 -0.04 1.1
--.VMG.Z. 2003-09-15T18:07:09.97 10.0 undecidable manual SG 170 0.3108 1.14 0
--.SFI.Z. 2003-09-15T18:07:06.20 10.0 undecidable manual PG 143 0.444 -0.14 1.3
--.SEI.Z. 2003-09-15T18:07:06.30 10.0 undecidable manual SG 200 0.2331 0.08 0.5
--.PGD.Z. 2003-09-15T18:07:05.89 10.0 undecidable manual PG 155 0.4329 -0.07 1.3
--.ZCCA.Z. 2003-09-15T18:07:04.99 10.0 negative manual PG 282 0.3552 0.37 2
--.VMG.Z. 2003-09-15T18:07:03.29 10.0 negative manual PG 170 0.3108 -0.44 1.7
--.SEI.Z. 2003-09-15T18:07:01.87 10.0 negative manual PG 200 0.2331 -0.36 2
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