Earthquake with magnitude of Md 2.2 on date 18-10-2003 and time 20:28:14 (UTC) in region 4 km NW Fontanelice (BO)

A magnitude Md 2.2 earthquake occured in region: 4 km NW Fontanelice (BO), on

  • 18-10-2003 20:28:14 (UTC)
  • 18-10-2003 22:28:14 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.2870, 11.5370 at 5 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 4 1943 1943
Borgo Tossignano BO 4 3288 5231
Casalfiumanese BO 7 3438 8669
Castel del Rio BO 9 1246 9915
Casola Valsenio RA 10 2617 12532
Dozza BO 11 6652 19184
Monterenzio BO 11 6035 25219
Castel San Pietro Terme BO 13 20811 46030
Riolo Terme RA 15 5720 51750
Imola BO 16 69797 121547
Loiano BO 17 4294 125841
Ozzano dell'Emilia BO 18 13596 139437
Pianoro BO 19 17460 156897
Monghidoro BO 19 3749 160646
Palazzuolo sul Senio FI 19 1154 161800
Castel Guelfo di Bologna BO 20 4455 166255
Brisighella RA 20 7639 173894

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km W of Imola (69797 inhabitants)
28 Km W of Faenza (58541 inhabitants)
28 Km SE of Bologna (386663 inhabitants)
41 Km W of Forlì (117913 inhabitants)
55 Km W of Ravenna (159116 inhabitants)
57 Km NE of Prato (191150 inhabitants)
59 Km W of Cesena (96758 inhabitants)
62 Km S of Ferrara (133155 inhabitants)
62 Km NE of Firenze (382808 inhabitants)
63 Km SE of Modena (184973 inhabitants)
63 Km NE of Pistoia (90315 inhabitants)
65 Km NE of Scandicci (50609 inhabitants)
76 Km SE of Carpi (70699 inhabitants)
85 Km SE of Reggio nell'Emilia (171345 inhabitants)
86 Km W of Rimini (147750 inhabitants)
90 Km S of Rovigo (51867 inhabitants)
95 Km NW of Arezzo (99543 inhabitants)
96 Km NE of Lucca (89046 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 1.5
2003-10-18
20:28:14
44.287 11.537 5 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 487849
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2003-10-18 20:28:14 ± 0.382
Latitude 44.2870 ± 0.0167
Longitude 11.5370 ± 0.0198
Depth (km) 5 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 487849

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) 2436.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 230
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) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00235
Epicentral distance of station farthest from the epicenter (degree) 0.00745
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 6
Type of magnitude Md
Reference to an origin 487849
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 00:45:21

ML:1.5

Field Value
Value 1.5
Uncertainty
Num. used stations 5
Type of magnitude ML
Reference to an origin 487849
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.E. 2003-10-18T20:28:32.74 10.0 undecidable manual SG 149 0.444 1.11 0
--.CSNT.Z. 2003-10-18T20:28:31.57 10.0 undecidable manual PG 192 0.8214 -0.06 1.1
--.CRE.Z. 2003-10-18T20:28:29.66 10.0 undecidable manual PG 155 0.7326 -0.07 1.2
--.BDI.Z. 2003-10-18T20:28:29.24 10.0 undecidable manual PG? 251 0.6993 -0.11 0.4
--.VMG.Z. 2003-10-18T20:28:27.11 10.0 undecidable manual SG 178 0.3219 -0.05 0.6
--.SEI.Z. 2003-10-18T20:28:25.20 10.0 undecidable manual SG 208 0.2553 0.14 0.5
--.PGD.Z. 2003-10-18T20:28:24.33 10.0 undecidable manual PG 161 0.4329 0.14 1.3
--.SFI.Z. 2003-10-18T20:28:24.29 10.0 negative manual PG 149 0.444 -0.11 2.8
--.ZCCA.Z. 2003-10-18T20:28:23.96 10.0 undecidable manual PG 279 0.3996 0.38 0.6
--.VMG.Z. 2003-10-18T20:28:21.69 10.0 undecidable manual PG 178 0.3219 -0.13 1.4
--.SEI.Z. 2003-10-18T20:28:20.28 10.0 undecidable manual PG 208 0.2553 -0.23 1.1
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