Earthquake with magnitude of Md 2.3 on date 09-04-2004 and time 21:02:03 (Italy) in region 3 km W Bagno di Romagna (FC)

A magnitude Md 2.3 earthquake occured in region: 3 km W Bagno di Romagna (FC), on

  • 09-04-2004 19:02:03 (UTC)
  • 09-04-2004 21:02:03 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.8710, 11.9460 at 9 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
Bagno di Romagna FC 3 6026 6026
Santa Sofia FC 9 4136 10162
Verghereto FC 10 1907 12069
Galeata FC 14 2516 14585
Civitella di Romagna FC 15 3786 18371
Sarsina FC 17 3446 21817
Premilcuore FC 18 799 22616
Casteldelci RN 19 407 23023
Chiusi della Verna AR 19 2023 25046

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km SW of Cesena (96758 inhabitants)
40 Km S of Forlì (117913 inhabitants)
45 Km N of Arezzo (99543 inhabitants)
47 Km S of Faenza (58541 inhabitants)
54 Km W of Rimini (147750 inhabitants)
56 Km E of Firenze (382808 inhabitants)
57 Km SE of Imola (69797 inhabitants)
63 Km E of Scandicci (50609 inhabitants)
64 Km SW of Ravenna (159116 inhabitants)
68 Km E of Prato (191150 inhabitants)
78 Km W of Pesaro (94582 inhabitants)
79 Km NE of Siena (53903 inhabitants)
83 Km E of Pistoia (90315 inhabitants)
85 Km SE of Bologna (386663 inhabitants)
86 Km W of Fano (60888 inhabitants)
92 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 2.3 2004-04-09
19:02:03
43.871 11.946 9 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 496179
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2004-04-09 19:02:03 ± 0.135
Latitude 43.8710 ± 0.0105
Longitude 11.9460 ± 0.0122
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 496179

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) 1520.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 170
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 13
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) 0.00065
Epicentral distance of station farthest from the epicenter (degree) 0.00850
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:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 7
Type of magnitude Md
Reference to an origin 496179
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 00:53:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.FSSB.Z. 2004-04-09T19:02:24.76 10.0 undecidable manual SG 106 0.6216 -0.5 0.2
--.SNTG.Z. 2004-04-09T19:02:22.90 10.0 undecidable manual PG 130 0.9435 0.27 0.8
--.SEI.Z. 2004-04-09T19:02:20.26 10.0 undecidable manual SG 293 0.4551 0.3 0.5
--.FSSB.Z. 2004-04-09T19:02:16.16 10.0 undecidable manual PG 106 0.6216 0.29 1
--.VMG.Z. 2004-04-09T19:02:15.31 10.0 undecidable manual SG 287 0.2997 0.4 0.4
--.SEI.Z. 2004-04-09T19:02:12.26 10.0 undecidable manual PG 293 0.4551 -0.55 0.4
--.CRE.Z. 2004-04-09T19:02:12.71 10.0 undecidable manual SG 179 0.2442 -0.45 0.3
--.PGD.Z. 2004-04-09T19:02:10.39 10.0 undecidable manual SG 271 0.1665 0.41 0.4
--.VMG.Z. 2004-04-09T19:02:09.73 10.0 undecidable manual PG 287 0.2997 -0.16 1.9
--.CRE.Z. 2004-04-09T19:02:08.91 10.0 undecidable manual PG 179 0.2442 0.02 2.2
--.SFI.Z. 2004-04-09T19:02:07.18 10.0 undecidable manual SG 295 0.0666 -0.15 0.8
--.PGD.Z. 2004-04-09T19:02:07.22 10.0 undecidable manual PG 271 0.1665 0.18 1.9
--.SFI.Z. 2004-04-09T19:02:05.43 10.0 undecidable manual PG 295 0.0666 -0.08 2.2
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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