Earthquake with magnitude of Md 2.0 on date 28-10-2003 and time 09:52:46 (Italy) in region E Monzuno (BO)

A magnitude Md 2.0 earthquake occured in region: E Monzuno (BO), on

  • 28-10-2003 08:52:46 (UTC)
  • 28-10-2003 09:52:46 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.2760, 11.2780 at 30 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
Monzuno BO 1 6328 6328
Loiano BO 4 4294 10622
Monghidoro BO 7 3749 14371
San Benedetto Val di Sambro BO 8 4315 18686
Marzabotto BO 9 6779 25465
Grizzana Morandi BO 10 3916 29381
Monterenzio BO 12 6035 35416
Vergato BO 13 7639 43055
Pianoro BO 13 17460 60515
Sasso Marconi BO 14 14735 75250
Castiglione dei Pepoli BO 18 5648 80898
Camugnano BO 19 1885 82783
Firenzuola FI 19 4726 87509
Castel del Rio BO 19 1246 88755

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km S of Bologna (386663 inhabitants)
36 Km W of Imola (69797 inhabitants)
46 Km NE of Prato (191150 inhabitants)
48 Km NE of Pistoia (90315 inhabitants)
48 Km W of Faenza (58541 inhabitants)
50 Km SE of Modena (184973 inhabitants)
56 Km N of Firenze (382808 inhabitants)
58 Km N of Scandicci (50609 inhabitants)
61 Km W of Forlì (117913 inhabitants)
64 Km SE of Carpi (70699 inhabitants)
68 Km SW of Ferrara (133155 inhabitants)
70 Km SE of Reggio nell'Emilia (171345 inhabitants)
75 Km W of Ravenna (159116 inhabitants)
78 Km NE of Lucca (89046 inhabitants)
79 Km W of Cesena (96758 inhabitants)
94 Km NE of Pisa (89158 inhabitants)
94 Km E of Viareggio (62467 inhabitants)
94 Km E of Massa (69479 inhabitants)
95 Km SE of Parma (192836 inhabitants)
97 Km E of Carrara (63133 inhabitants)
97 Km SW of Rovigo (51867 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
ML-VAX 1.5
2003-10-28
08:52:46
44.276 11.278 30 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 488399
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2003-10-28 08:52:46 ± 0.333
Latitude 44.2760 ± 0.0401
Longitude 11.2780 ± 0.0851
Depth (km) 30 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 488399

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) 8110.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 326
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) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00202
Epicentral distance of station farthest from the epicenter (degree) 0.00494
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitudes information

Md:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 488399
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 00:45:55

ML:1.5

Field Value
Value 1.5
Uncertainty
Num. used stations 2
Type of magnitude ML
Reference to an origin 488399
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. 2003-10-28T08:53:06.50 10.0 undecidable manual SN 132 0.5439 -0.24 0.2
--.PGD.Z. 2003-10-28T08:53:05.61 10.0 undecidable manual SN 141 0.4995 0.29 0.2
--.SEI.Z. 2003-10-28T08:52:58.49 10.0 undecidable manual SG 165 0.222 -0.07 0.6
--.PGD.Z. 2003-10-28T08:52:57.63 10.0 undecidable manual PN 141 0.4995 0.26 0.5
--.SFI.Z. 2003-10-28T08:52:57.90 10.0 undecidable manual PN 132 0.5439 -0.04 1.4
--.VMG.Z. 2003-10-28T08:52:55.14 10.0 undecidable manual PN 148 0.3552 -0.26 0.6
--.SEI.Z. 2003-10-28T08:52:53.49 10.0 negative manual PG 165 0.222 0.02 3.4
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