Earthquake with magnitude of Md 2.4 on date 21-04-2000 and time 09:13:44 (Italy) in region 7 km S Figline e Incisa Valdarno (FI)

A magnitude Md 2.4 earthquake occured in region: 7 km S Figline e Incisa Valdarno (FI), on

  • 21-04-2000 07:13:44 (UTC)
  • 21-04-2000 09:13:44 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.6040, 11.4310 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
Figline e Incisa Valdarno FI 7 23505 23505
San Giovanni Valdarno AR 9 17018 40523
Greve in Chianti FI 9 13862 54385
Cavriglia AR 10 9614 63999
Castelfranco Piandiscò AR 10 9632 73631
Reggello FI 12 16290 89921
Rignano sull'Arno FI 13 8651 98572
Radda in Chianti SI 14 1613 100185
Terranuova Bracciolini AR 14 12346 112531
Montevarchi AR 14 24378 136909
Gaiole in Chianti SI 15 2758 139667
Loro Ciuffenna AR 16 5819 145486
Impruneta FI 17 14615 160101
Bagno a Ripoli FI 19 25611 185712
Castellina in Chianti SI 19 2859 188571
Pontassieve FI 19 20603 209174
Pelago FI 20 7660 216834

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km SE of Firenze (382808 inhabitants)
26 Km SE of Scandicci (50609 inhabitants)
33 Km N of Siena (53903 inhabitants)
40 Km W of Arezzo (99543 inhabitants)
41 Km SE of Prato (191150 inhabitants)
55 Km SE of Pistoia (90315 inhabitants)
79 Km E of Lucca (89046 inhabitants)
84 Km E of Pisa (89158 inhabitants)
84 Km SW of Faenza (58541 inhabitants)
85 Km SW of Forlì (117913 inhabitants)
86 Km S of Imola (69797 inhabitants)
88 Km SW of Cesena (96758 inhabitants)
91 Km E of Livorno (159219 inhabitants)
95 Km NW of Perugia (166134 inhabitants)
97 Km N of Grosseto (82087 inhabitants)
99 Km E of Viareggio (62467 inhabitants)
99 Km S of Bologna (386663 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 2.4 2000-04-21
07:13:44
43.604 11.431 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 387419
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2000-04-21 07:13:44 ± 0.195
Latitude 43.6040 ± 0.0239
Longitude 11.4310 ± 0.0245
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 387419

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) 3310.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 197
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) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00874
Epicentral distance of station farthest from the epicenter (degree) 0.00988
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:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 387419
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 23:04:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.ARV.Z. 2000-04-21T07:14:22.00 10.0 undecidable manual SN 95 1.0989 -0.09 0.5
--.ASS.Z. 2000-04-21T07:14:20.00 10.0 undecidable manual SG 121 1.0323 -0.33 0.3
--.FB9.Z. 2000-04-21T07:14:18.00 10.0 undecidable manual SG 85 0.9657 -0.32 0.1
--.ARV.Z. 2000-04-21T07:14:06.00 10.0 undecidable manual PN 95 1.0989 -0.02 1.4
--.ASS.Z. 2000-04-21T07:14:05.50 10.0 positive manual PG 121 1.0323 0.05 3.1
--.EB9.Z. 2000-04-21T07:14:05.88 10.0 undecidable manual PN 319 1.0878 -0.06 1.3
--.FB9.Z. 2000-04-21T07:14:04.50 10.0 undecidable manual PG 85 0.9657 0.65 0.2
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