Earthquake with magnitude of Md 2.0 on date 19-09-2004 and time 15:14:08 (Italy) in region 6 km NW Tredozio (FC)

A magnitude Md 2.0 earthquake occured in region: 6 km NW Tredozio (FC), on

  • 19-09-2004 13:14:08 (UTC)
  • 19-09-2004 15:14:08 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.1100, 11.6830 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
Tredozio FC 6 1212 1212
Marradi FI 7 3139 4351
Modigliana FC 10 4560 8911
Palazzuolo sul Senio FI 11 1154 10065
Portico e San Benedetto FC 12 756 10821
Casola Valsenio RA 14 2617 13438
Rocca San Casciano FC 14 1910 15348
Brisighella RA 14 7639 22987
Dovadola FC 17 1653 24640
Premilcuore FC 17 799 25439
Castel del Rio BO 18 1246 26685
Riolo Terme RA 19 5720 32405
Fontanelice BO 19 1943 34348

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km SW of Faenza (58541 inhabitants)
27 Km S of Imola (69797 inhabitants)
31 Km W of Forlì (117913 inhabitants)
45 Km W of Cesena (96758 inhabitants)
51 Km SE of Bologna (386663 inhabitants)
51 Km NE of Firenze (382808 inhabitants)
53 Km E of Prato (191150 inhabitants)
54 Km SW of Ravenna (159116 inhabitants)
56 Km NE of Scandicci (50609 inhabitants)
64 Km E of Pistoia (90315 inhabitants)
71 Km W of Rimini (147750 inhabitants)
73 Km N of Arezzo (99543 inhabitants)
81 Km S of Ferrara (133155 inhabitants)
85 Km SE of Modena (184973 inhabitants)
92 Km NE of Siena (53903 inhabitants)
98 Km SE of Carpi (70699 inhabitants)
99 Km E of Lucca (89046 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 2004-09-19
13:14:08
44.11 11.683 9 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 505209
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2004-09-19 13:14:08 ± 0.119
Latitude 44.1100 ± 0.0057
Longitude 11.6830 ± 0.0048
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 505209

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) 740.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 231
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
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) 0.00154
Epicentral distance of station farthest from the epicenter (degree) 0.00364
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

Md:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 505209
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 01:03:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.SEI.Z. 2004-09-19T13:14:18.00 10.0 undecidable manual SG 256 0.2331 -0.04 0.5
--.PGD.Z. 2004-09-19T13:14:18.13 10.0 undecidable manual SG 173 0.2331 0.19 0.1
--.FNVD.Z. 2004-09-19T13:14:17.70 10.0 undecidable manual PG 278 0.3996 0.06 0.8
--.SFI.Z. 2004-09-19T13:14:17.90 10.0 undecidable manual SG 150 0.2331 -0.07 0.4
--.VMG.Z. 2004-09-19T13:14:15.81 10.0 undecidable manual SG 213 0.1665 -0.13 0.2
--.SFI.Z. 2004-09-19T13:14:13.86 10.0 negative manual PG 150 0.2331 -0.02 2.5
--.SEI.Z. 2004-09-19T13:14:13.86 10.0 undecidable manual PG 256 0.2331 -0.07 1
--.PGD.Z. 2004-09-19T13:14:13.86 10.0 negative manual PG 173 0.2331 -0.01 2.6
--.VMG.Z. 2004-09-19T13:14:12.79 10.0 undecidable manual PG 213 0.1665 0.08 0.9
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download