Earthquake with magnitude of Md 2.2 on date 17-09-2003 and time 19:40:45 (Italy) in region 3 km N Monterenzio (BO)

A magnitude Md 2.2 earthquake occured in region: 3 km N Monterenzio (BO), on

  • 17-09-2003 17:40:45 (UTC)
  • 17-09-2003 19:40:45 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.3550, 11.4160 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
Monterenzio BO 3 6035 6035
Pianoro BO 7 17460 23495
Ozzano dell'Emilia BO 11 13596 37091
Loiano BO 12 4294 41385
San Lazzaro di Savena BO 13 32065 73450
Sasso Marconi BO 14 14735 88185
Monzuno BO 14 6328 94513
Castel San Pietro Terme BO 15 20811 115324
Fontanelice BO 16 1943 117267
Borgo Tossignano BO 16 3288 120555
Bologna BO 17 386663 507218
Marzabotto BO 17 6779 513997
Monghidoro BO 17 3749 517746
Dozza BO 17 6652 524398
Castel del Rio BO 17 1246 525644
Casalfiumanese BO 17 3438 529082
Casalecchio di Reno BO 18 36327 565409
Castenaso BO 18 14925 580334

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km SE of Bologna (386663 inhabitants)
24 Km W of Imola (69797 inhabitants)
38 Km W of Faenza (58541 inhabitants)
51 Km SE of Modena (184973 inhabitants)
52 Km W of Forlì (117913 inhabitants)
56 Km SW of Ferrara (133155 inhabitants)
58 Km NE of Prato (191150 inhabitants)
61 Km NE of Pistoia (90315 inhabitants)
63 Km W of Ravenna (159116 inhabitants)
64 Km SE of Carpi (70699 inhabitants)
66 Km N of Firenze (382808 inhabitants)
69 Km N of Scandicci (50609 inhabitants)
70 Km W of Cesena (96758 inhabitants)
73 Km SE of Reggio nell'Emilia (171345 inhabitants)
85 Km SW of Rovigo (51867 inhabitants)
92 Km NE of Lucca (89046 inhabitants)
97 Km W of Rimini (147750 inhabitants)
99 Km E of Parma (192836 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 1.6
2003-09-17
17:40:45
44.355 11.416 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 485659
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2003-09-17 17:40:45 ± 0.836
Latitude 44.3550 ± 0.0412
Longitude 11.4160 ± 0.0410
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 485659

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) 5616.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 317
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 7
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) 0.00267
Epicentral distance of station farthest from the epicenter (degree) 0.00745
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 485659
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 00:43:04

ML:1.6

Field Value
Value 1.6
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 485659
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
--.CRE.Z. 2003-09-17T17:41:02.59 10.0 undecidable manual PG 152 0.8214 0.32 0.8
--.VMG.Z. 2003-09-17T17:41:01.27 10.0 undecidable manual SG 166 0.3996 0.6 0.1
--.SEI.Z. 2003-09-17T17:40:57.80 10.0 undecidable manual SG 187 0.2997 -0.37 0.3
--.SFI.Z. 2003-09-17T17:40:56.83 10.0 undecidable manual PG 145 0.5439 -0.2 1.4
--.PGD.Z. 2003-09-17T17:40:56.54 10.0 undecidable manual PG 155 0.5217 -0.13 1.7
--.VMG.Z. 2003-09-17T17:40:54.30 10.0 undecidable manual PG 166 0.3996 -0.35 1
--.SEI.Z. 2003-09-17T17:40:52.67 10.0 undecidable manual PG 187 0.2997 0.15 1.7
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