Earthquake with magnitude of Md 2.1 on date 19-09-2003 and time 04:27:38 (Italy) in region 2 km NE Campi Bisenzio (FI)

A magnitude Md 2.1 earthquake occured in region: 2 km NE Campi Bisenzio (FI), on

  • 19-09-2003 02:27:38 (UTC)
  • 19-09-2003 04:27:38 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.8410, 11.1540 at 6 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
Campi Bisenzio FI 3 46166 46166
Calenzano FI 3 17489 63655
Sesto Fiorentino FI 4 48958 112613
Prato PO 6 191150 303763
Signa FI 8 19179 322942
Poggio a Caiano PO 8 10007 332949
Lastra a Signa FI 9 20156 353105
Scandicci FI 9 50609 403714
Carmignano PO 11 14450 418164
Firenze FI 11 382808 800972
Fiesole FI 12 13969 814941
Vaglia FI 13 5073 820014
Montemurlo PO 13 18456 838470
Agliana PT 14 17525 855995
Quarrata PT 14 26190 882185
Vaiano PO 15 9895 892080
Montale PT 15 10737 902817
Montelupo Fiorentino FI 16 14098 916915
Bagno a Ripoli FI 17 25611 942526
Capraia e Limite FI 18 7670 950196
Impruneta FI 19 14615 964811
Vinci FI 19 14604 979415
Barberino di Mugello FI 19 10836 990251
Scarperia e San Piero FI 19 12217 1002468

Municipalities with at least 50000 inhabitants

An earthquake occurred to
6 Km SE of Prato (191150 inhabitants)
9 Km N of Scandicci (50609 inhabitants)
11 Km NW of Firenze (382808 inhabitants)
22 Km E of Pistoia (90315 inhabitants)
52 Km E of Lucca (89046 inhabitants)
60 Km N of Siena (53903 inhabitants)
62 Km E of Pisa (89158 inhabitants)
72 Km NW of Arezzo (99543 inhabitants)
73 Km E of Viareggio (62467 inhabitants)
73 Km SW of Imola (69797 inhabitants)
74 Km S of Bologna (386663 inhabitants)
75 Km E of Livorno (159219 inhabitants)
77 Km SW of Faenza (58541 inhabitants)
83 Km SW of Forlì (117913 inhabitants)
84 Km E of Massa (69479 inhabitants)
89 Km E of Carrara (63133 inhabitants)
91 Km S of Modena (184973 inhabitants)
93 Km W of Cesena (96758 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 2003-09-19
02:27:38
43.841 11.154 6 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 485979
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2003-09-19 02:27:38 ± 0.877
Latitude 43.8410 ± 0.0377
Longitude 11.1540 ± 0.0255
Depth (km) 6 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 485979

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) 4669.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 261
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) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00227
Epicentral distance of station farthest from the epicenter (degree) 0.00469
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information

Md:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 485979
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 00:43:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.SFI.Z. 2003-09-19T02:27:57.14 10.0 undecidable manual SG 82 0.4995 -0.39 0.6
--.PGD.Z. 2003-09-19T02:27:54.81 10.0 undecidable manual SG 85 0.3996 0.29 0.7
--.ZCCA.Z. 2003-09-19T02:27:50.00 10.0 undecidable manual PG 346 0.5217 0.03 1.8
--.SEI.Z. 2003-09-19T02:27:49.70 10.0 undecidable manual SG 34 0.2553 0.21 0.8
--.SFI.Z. 2003-09-19T02:27:48.69 10.0 undecidable manual PG 82 0.4995 -0.86 0.6
--.PGD.Z. 2003-09-19T02:27:48.74 10.0 undecidable manual PG 85 0.3996 0.92 0.6
--.SEI.Z. 2003-09-19T02:27:44.41 10.0 undecidable manual PG 34 0.2553 -0.14 2
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