Earthquake with magnitude of Md 2.1 on date 01-11-2003 and time 05:54:54 (Italy) in region 8 km W Castelnuovo di Val di Cecina (PI)

A magnitude Md 2.1 earthquake occured in region: 8 km W Castelnuovo di Val di Cecina (PI), on

  • 01-11-2003 04:54:54 (UTC)
  • 01-11-2003 05:54:54 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.2310, 10.8140 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
Castelnuovo di Val di Cecina PI 8 2231 2231
Pomarance PI 9 5897 8128
Monteverdi Marittimo PI 10 758 8886
Monterotondo Marittimo GR 10 1371 10257
Guardistallo PI 17 1234 11491
Casale Marittimo PI 18 1122 12613
Sassetta LI 18 514 13127
Bibbona LI 18 3175 16302
Castagneto Carducci LI 18 9010 25312
Montescudaio PI 18 2144 27456
Montecatini Val di Cecina PI 19 1749 29205
Radicondoli SI 19 914 30119
Volterra PI 20 10519 40638
Montieri GR 20 1204 41842
Suvereto LI 20 3072 44914

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km W of Siena (53903 inhabitants)
54 Km SE of Livorno (159219 inhabitants)
58 Km NW of Grosseto (82087 inhabitants)
63 Km SE of Pisa (89158 inhabitants)
66 Km SW of Scandicci (50609 inhabitants)
70 Km SW of Firenze (382808 inhabitants)
73 Km SE of Lucca (89046 inhabitants)
76 Km SW of Prato (191150 inhabitants)
79 Km S of Pistoia (90315 inhabitants)
84 Km SE of Viareggio (62467 inhabitants)
90 Km W of Arezzo (99543 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
ML-VAX 1.6
2003-11-01
04:54:54
43.231 10.814 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 488539
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2003-11-01 04:54:54 ± 0.586
Latitude 43.2310 ± 0.0326
Longitude 10.8140 ± 0.0221
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 488539

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) 4043.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 272
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) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00372
Epicentral distance of station farthest from the epicenter (degree) 0.00818
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

Md:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 488539
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 00:46:04

ML:1.6

Field Value
Value 1.6
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 488539
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
--.PII.Z. 2003-11-01T04:55:13.30 10.0 undecidable manual SG 337 0.5328 -0.15 0.6
--.SEI.Z. 2003-11-01T04:55:12.68 10.0 undecidable manual PG 25 0.9102 0.52 0.8
--.VMG.Z. 2003-11-01T04:55:12.47 10.0 undecidable manual PG 35 0.8991 0.51 0.8
--.CRE.Z. 2003-11-01T04:55:12.18 10.0 undecidable manual PG 64 0.9102 0.02 1.7
--.CSNT.N. 2003-11-01T04:55:09.26 10.0 undecidable manual SG 55 0.4107 -0.37 0.5
--.PII.Z. 2003-11-01T04:55:05.40 10.0 undecidable manual PG 337 0.5328 -0.1 1.8
--.CSNT.Z. 2003-11-01T04:55:02.57 10.0 undecidable manual PG 55 0.4107 -0.51 0.8
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