Earthquake with magnitude of Md 2.1 on date 03-06-2003 and time 04:32:17 (Italy) in region 5 km S Santa Sofia (FC)

A magnitude Md 2.1 earthquake occured in region: 5 km S Santa Sofia (FC), on

  • 03-06-2003 02:32:17 (UTC)
  • 03-06-2003 04:32:17 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.9020, 11.8970 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
Santa Sofia FC 5 4136 4136
Bagno di Romagna FC 8 6026 10162
Galeata FC 11 2516 12678
Civitella di Romagna FC 12 3786 16464
Premilcuore FC 13 799 17263
Verghereto FC 15 1907 19170
Portico e San Benedetto FC 17 756 19926
Rocca San Casciano FC 18 1910 21836
Pratovecchio Stia AR 19 5845 27681
Sarsina FC 20 3446 31127

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km SW of Forlì (117913 inhabitants)
38 Km SW of Cesena (96758 inhabitants)
43 Km S of Faenza (58541 inhabitants)
48 Km N of Arezzo (99543 inhabitants)
52 Km S of Imola (69797 inhabitants)
53 Km E of Firenze (382808 inhabitants)
56 Km W of Rimini (147750 inhabitants)
60 Km E of Scandicci (50609 inhabitants)
62 Km SW of Ravenna (159116 inhabitants)
64 Km E of Prato (191150 inhabitants)
79 Km E of Pistoia (90315 inhabitants)
79 Km NE of Siena (53903 inhabitants)
79 Km SE of Bologna (386663 inhabitants)
82 Km W of Pesaro (94582 inhabitants)
90 Km W of Fano (60888 inhabitants)
97 Km NW of Perugia (166134 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 2.1 2003-06-03
02:32:17
43.902 11.897 10 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 478669
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2003-06-03 02:32:17 ± 0.279
Latitude 43.9020 ± 0.0194
Longitude 11.8970 ± 0.0233
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 478669

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) 2851.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 154
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) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00024
Epicentral distance of station farthest from the epicenter (degree) 0.00372
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

Md:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 6
Type of magnitude Md
Reference to an origin 478669
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 00:35:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.SEI.Z. 2003-06-03T02:32:33.70 10.0 undecidable manual SG 291 0.4107 0.54 0.3
--.VMG.Z. 2003-06-03T02:32:28.42 10.0 undecidable manual SG 283 0.2553 0.87 0.1
--.CRE.Z. 2003-06-03T02:32:28.48 10.0 undecidable manual SG 172 0.2775 0.18 0.6
--.RSM.Z. 2003-06-03T02:32:26.40 10.0 undecidable manual PG 85 0.3996 0.63 0.6
--.SEI.Z. 2003-06-03T02:32:25.38 10.0 undecidable manual PG 291 0.4107 -0.69 0.5
--.PGD.Z. 2003-06-03T02:32:24.40 10.0 undecidable manual SG 258 0.1221 0.72 0.2
--.CRE.Z. 2003-06-03T02:32:23.22 10.0 undecidable manual PG 172 0.2775 -0.41 1.1
--.VMG.Z. 2003-06-03T02:32:22.84 10.0 undecidable manual PG 283 0.2553 -0.36 1.3
--.SFI.Z. 2003-06-03T02:32:20.95 10.0 undecidable manual SG 273 0.0222 -0.03 0.7
--.PGD.Z. 2003-06-03T02:32:20.73 10.0 positive manual PG 258 0.1221 -0.02 3.5
--.SFI.Z. 2003-06-03T02:32:18.91 10.0 positive manual PG 273 0.0222 -0.49 2.1
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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