Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Md 2.3 on date 10-03-2004 and time 22:58:58 (Italy) in region 1 km NW Bagno di Romagna (FC)

A magnitude Md 2.3 earthquake occured in region: 1 km NW Bagno di Romagna (FC), on

  • 10-03-2004 21:58:58 (UTC)
  • 10-03-2004 22:58:58 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.8700, 11.9720 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.

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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 1 6026 6026
Verghereto FC 9 1907 7933
Santa Sofia FC 10 4136 12069
Sarsina FC 15 3446 15515
Galeata FC 15 2516 18031
Civitella di Romagna FC 16 3786 21817
Casteldelci RN 17 407 22224
Chiusi della Verna AR 19 2023 24247
Sant'Agata Feltria RN 19 2151 26398
Premilcuore FC 20 799 27197

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 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)
52 Km W of Rimini (147750 inhabitants)
58 Km SE of Imola (69797 inhabitants)
58 Km E of Firenze (382808 inhabitants)
64 Km SW of Ravenna (159116 inhabitants)
65 Km E of Scandicci (50609 inhabitants)
70 Km E of Prato (191150 inhabitants)
76 Km W of Pesaro (94582 inhabitants)
80 Km NE of Siena (53903 inhabitants)
84 Km W of Fano (60888 inhabitants)
85 Km E of Pistoia (90315 inhabitants)
86 Km SE of Bologna (386663 inhabitants)
91 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
ML-VAX 1.8 		2004-03-10
21:58:58		 43.87 11.972 9 2013-07-15
08:40:51		 Bollettino Sismico Italiano INGV 494679
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2004-03-10 21:58:58 ± 0.145
Latitude 43.8700 ± 0.0126
Longitude 11.9720 ± 0.0113
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 494679

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) 1671.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 147
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00081
Epicentral distance of station farthest from the epicenter (degree) 0.01190
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 7
Type of magnitude Md
Reference to an origin 494679
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 00:52:22

ML:1.8

Field Value
Value 1.8
Uncertainty
Num. used stations 4
Type of magnitude ML
Reference to an origin 494679
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
--.ARV.Z. 2004-03-10T21:59:26.97 10.0 undecidable manual SG 117 0.7881 0.78 0.1
--.NRCA.Z. 2004-03-10T21:59:23.46 10.0 undecidable manual PN 140 1.3209 0.44 0.7
--.FSSB.Z. 2004-03-10T21:59:20.23 10.0 undecidable manual SG 106 0.5994 0.02 0.8
--.PII.Z. 2004-03-10T21:59:19.80 10.0 undecidable manual PN 262 1.0545 -0.21 1.2
--.SNTG.Z. 2004-03-10T21:59:17.30 10.0 undecidable manual PG 130 0.9213 -0.09 1.4
--.SEI.Z. 2004-03-10T21:59:16.13 10.0 undecidable manual SG 292 0.4773 0.1 0.8
--.ARV.Z. 2004-03-10T21:59:13.82 10.0 undecidable manual PG 117 0.7881 -0.73 0.4
--.VMG.Z. 2004-03-10T21:59:11.71 10.0 undecidable manual SG 286 0.3108 0.7 0.2
--.FSSB.Z. 2004-03-10T21:59:10.58 10.0 undecidable manual PG 106 0.5994 -0.52 0.9
--.CRE.Z. 2004-03-10T21:59:09.10 10.0 undecidable manual SG 183 0.2442 0.38 0.6
--.SEI.Z. 2004-03-10T21:59:08.25 10.0 undecidable manual PG 292 0.4773 -0.45 1.2
--.RSM.Z. 2004-03-10T21:59:07.10 10.0 undecidable manual PG 80 0.3441 0.77 0.4
--.PGD.Z. 2004-03-10T21:59:06.82 10.0 undecidable manual SG 271 0.1776 0.48 0.4
--.VMG.Z. 2004-03-10T21:59:05.65 10.0 undecidable manual PG 286 0.3108 -0.14 2
--.CRE.Z. 2004-03-10T21:59:04.48 10.0 undecidable manual PG 183 0.2442 0 2.1
--.PGD.Z. 2004-03-10T21:59:03.16 10.0 undecidable manual PG 271 0.1776 0.06 2.1
--.SFI.Z. 2004-03-10T21:59:03.54 10.0 undecidable manual SG 290 0.0888 -0.05 0.8
--.SFI.Z. 2004-03-10T21:59:01.48 10.0 undecidable manual PG 290 0.0888 -0.03 2.1
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