Earthquake with magnitude of Md 2.0 on date 25-11-2001 and time 15:21:02 (Italy) in region 6 km SW Greve in Chianti (FI)

A magnitude Md 2.0 earthquake occured in region: 6 km SW Greve in Chianti (FI), on

  • 25-11-2001 14:21:02 (UTC)
  • 25-11-2001 15:21:02 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.5480, 11.2610 at 5 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
Greve in Chianti FI 6 13862 13862
Barberino Val d'Elsa FI 7 4386 18248
Tavarnelle Val di Pesa FI 7 7800 26048
Castellina in Chianti SI 9 2859 28907
Radda in Chianti SI 11 1613 30520
Poggibonsi SI 13 29196 59716
San Casciano in Val di Pesa FI 14 17062 76778
Impruneta FI 15 14615 91393
Gaiole in Chianti SI 17 2758 94151
Monteriggioni SI 17 9810 103961
Certaldo FI 18 16121 120082
Colle di Val d'Elsa SI 18 21620 141702
Montespertoli FI 18 13537 155239
Cavriglia AR 19 9614 164853
San Gimignano SI 20 7820 172673

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km S of Scandicci (50609 inhabitants)
25 Km S of Firenze (382808 inhabitants)
26 Km N of Siena (53903 inhabitants)
39 Km SE of Prato (191150 inhabitants)
51 Km W of Arezzo (99543 inhabitants)
51 Km SE of Pistoia (90315 inhabitants)
69 Km E of Lucca (89046 inhabitants)
72 Km E of Pisa (89158 inhabitants)
77 Km E of Livorno (159219 inhabitants)
88 Km N of Grosseto (82087 inhabitants)
89 Km E of Viareggio (62467 inhabitants)
96 Km SW of Faenza (58541 inhabitants)
97 Km SW of Imola (69797 inhabitants)
98 Km SW of Forlì (117913 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 2001-11-25
14:21:02
43.548 11.261 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 431339
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2001-11-25 14:21:02 ± 0.175
Latitude 43.5480 ± 0.0092
Longitude 11.2610 ± 0.0162
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 431339

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) 1652.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 153
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
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) 0.00065
Epicentral distance of station farthest from the epicenter (degree) 0.00631
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:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 431339
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 23:47:14
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.BDI.Z. 2001-11-25T14:21:27.21 10.0 undecidable manual SG 317 0.6993 -0.25 0.5
--.SFI.Z. 2001-11-25T14:21:22.23 10.0 undecidable manual SG 49 0.5439 -0.45 0.4
--.CRE.Z. 2001-11-25T14:21:20.97 10.0 undecidable manual SG 81 0.4995 -0.14 0.7
--.BDI.Z. 2001-11-25T14:21:16.88 10.0 undecidable manual PG 317 0.6993 0.16 1.4
--.CRE.Z. 2001-11-25T14:21:14.60 10.0 undecidable manual PG 81 0.4995 1 0.2
--.SFI.Z. 2001-11-25T14:21:13.48 10.0 undecidable manual PG 49 0.5439 -0.48 1
--.CSNT.Z. 2001-11-25T14:21:05.68 10.0 undecidable manual SG 163 0.0666 0.14 0.7
--.CSNT.Z. 2001-11-25T14:21:03.75 10.0 negative manual PG 163 0.0666 -0.31 3
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