Earthquake with magnitude of Md 2.0 on date 20-09-2003 and time 15:03:42 (UTC) in region 6 km SE Monterenzio (BO)

A magnitude Md 2.0 earthquake occured in region: 6 km SE Monterenzio (BO), on

  • 20-09-2003 15:03:42 (UTC)
  • 20-09-2003 17:03:42 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.2810, 11.4430 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
Monterenzio BO 6 6035 6035
Castel del Rio BO 9 1246 7281
Loiano BO 10 4294 11575
Fontanelice BO 10 1943 13518
Borgo Tossignano BO 12 3288 16806
Monghidoro BO 12 3749 20555
Monzuno BO 14 6328 26883
Casalfiumanese BO 14 3438 30321
Pianoro BO 14 17460 47781
Casola Valsenio RA 16 2617 50398
Dozza BO 17 6652 57050
Castel San Pietro Terme BO 18 20811 77861
San Benedetto Val di Sambro BO 18 4315 82176
Ozzano dell'Emilia BO 19 13596 95772
Firenzuola FI 19 4726 100498

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km W of Imola (69797 inhabitants)
25 Km SE of Bologna (386663 inhabitants)
35 Km W of Faenza (58541 inhabitants)
48 Km W of Forlì (117913 inhabitants)
52 Km NE of Prato (191150 inhabitants)
57 Km NE of Pistoia (90315 inhabitants)
58 Km SE of Modena (184973 inhabitants)
59 Km N of Firenze (382808 inhabitants)
62 Km NE of Scandicci (50609 inhabitants)
62 Km W of Ravenna (159116 inhabitants)
63 Km S of Ferrara (133155 inhabitants)
66 Km W of Cesena (96758 inhabitants)
71 Km SE of Carpi (70699 inhabitants)
79 Km SE of Reggio nell'Emilia (171345 inhabitants)
89 Km NE of Lucca (89046 inhabitants)
92 Km SW of Rovigo (51867 inhabitants)
93 Km W of Rimini (147750 inhabitants)
97 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 2.0 2003-09-20
15:03:42
44.281 11.443 6 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 486189
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2003-09-20 15:03:42 ± 0.3
Latitude 44.2810 ± 0.0141
Longitude 11.4430 ± 0.0185
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 486189

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) 2148.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 220
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
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) 0.00777
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

Md:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations 5
Type of magnitude Md
Reference to an origin 486189
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 00:43:35
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.SFI.Z. 2003-09-20T15:04:00.84 10.0 undecidable manual SG 142 0.4662 0.49 0.1
--.PII.Z. 2003-09-20T15:03:59.45 10.0 undecidable manual PG 229 0.8658 -0.55 0.2
--.CRE.Z. 2003-09-20T15:03:57.95 10.0 undecidable manual PG 150 0.7437 -0.01 1.3
--.BDI.Z. 2003-09-20T15:03:56.17 10.0 undecidable manual PG 250 0.6327 0.27 0.9
--.VMG.Z. 2003-09-20T15:03:55.24 10.0 undecidable manual SG 167 0.3219 0 0.7
--.SFI.Z. 2003-09-20T15:03:52.67 10.0 undecidable manual PG 142 0.4662 -0.11 1.5
--.SEI.Z. 2003-09-20T15:03:51.93 10.0 undecidable manual SG 194 0.2331 0.19 0.5
--.ZCCA.Z. 2003-09-20T15:03:50.39 10.0 undecidable manual PG 282 0.333 0.29 1
--.VMG.Z. 2003-09-20T15:03:49.52 10.0 undecidable manual PG 167 0.3219 -0.31 0.9
--.SEI.Z. 2003-09-20T15:03:47.90 10.0 negative manual PG 194 0.2331 0.09 3.1
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