Earthquake with magnitude of Md 2.5 on date 21-02-2000 and time 23:07:17 (Italy) in region 5 km NW Firenzuola (FI)

A magnitude Md 2.5 earthquake occured in region: 5 km NW Firenzuola (FI), on

  • 21-02-2000 22:07:17 (UTC)
  • 21-02-2000 23:07:17 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.16, 11.36 at 3 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
Firenzuola FI 5 4726 4726
Monghidoro BO 8 3749 8475
San Benedetto Val di Sambro BO 12 4315 12790
Loiano BO 13 4294 17084
Castel del Rio BO 13 1246 18330
Monzuno BO 15 6328 24658
Palazzuolo sul Senio FI 16 1154 25812
Castiglione dei Pepoli BO 17 5648 31460
Monterenzio BO 19 6035 37495
Fontanelice BO 19 1943 39438
Grizzana Morandi BO 20 3916 43354
Barberino di Mugello FI 20 10836 54190

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km SW of Imola (69797 inhabitants)
37 Km NE of Prato (191150 inhabitants)
37 Km S of Bologna (386663 inhabitants)
43 Km NE of Pistoia (90315 inhabitants)
44 Km W of Faenza (58541 inhabitants)
44 Km N of Firenze (382808 inhabitants)
47 Km NE of Scandicci (50609 inhabitants)
55 Km W of Forlì (117913 inhabitants)
64 Km SE of Modena (184973 inhabitants)
70 Km W of Cesena (96758 inhabitants)
73 Km W of Ravenna (159116 inhabitants)
77 Km E of Lucca (89046 inhabitants)
78 Km S of Ferrara (133155 inhabitants)
79 Km SE of Carpi (70699 inhabitants)
83 Km SE of Reggio nell'Emilia (171345 inhabitants)
88 Km NW of Arezzo (99543 inhabitants)
91 Km NE of Pisa (89158 inhabitants)
93 Km N of Siena (53903 inhabitants)
95 Km E of Viareggio (62467 inhabitants)
97 Km W of Rimini (147750 inhabitants)
98 Km E of Massa (69479 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
Rev 1000 Md 2.5 2000-02-21
22:07:17
44.16 11.36 3 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 382889
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2000-02-21 22:07:17 ± 0.245
Latitude 44.16 ± 0.01
Longitude 11.36 ± 0.02
Depth (km) 3 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 382889

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) 1994
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 160
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.6
Epicentral distance of station closest to the epicenter (degree) 0.003
Epicentral distance of station farthest from the epicenter (degree) 0.01651
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitude information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 6
Type of magnitude Md
Reference to an origin 382889
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 22:59:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.ARV.Z. 2000-02-21T22:08:01.00 10.0 undecidable manual SN 119 0.0118 -0.41 0.6
--.FB9.Z. 2000-02-21T22:07:57.00 10.0 undecidable manual SN 113 0.01 0.27 0.7
--.NRCA.Z. 2000-02-21T22:07:50.77 10.0 undecidable manual PN 135 0.0165 0.76 0.8
--.ASS.Z. 2000-02-21T22:07:45.44 10.0 undecidable manual PN 138 0.013 0.85 0.8
--.BOB.Z. 2000-02-21T22:07:45.00 10.0 undecidable manual PN 294 0.0134 -0.32 1.4
--.PII.Z. 2000-02-21T22:07:44.23 10.0 undecidable manual SG 234 0.0066 -0.61 0.6
--.ARV.Z. 2000-02-21T22:07:43.25 10.0 undecidable manual PN 119 0.0118 0.34 1.5
--.CSNT.Z. 2000-02-21T22:07:42.78 10.0 undecidable manual SG 183 0.0062 -0.23 0.8
--.GU9.Z. 2000-02-21T22:07:39.83 10.0 undecidable manual SG 289 0.0053 0.1 0.9
--.FB9.Z. 2000-02-21T22:07:39.30 10.0 undecidable manual PN 113 0.01 -1.17 0.5
--.RSM.Z. 2000-02-21T22:07:33.93 10.0 undecidable manual PG 105 0.0073 -0.73 1.3
--.CSNT.Z. 2000-02-21T22:07:32.91 10.0 undecidable manual PG 183 0.0062 0.62 1.5
--.PII.Z. 2000-02-21T22:07:32.36 10.0 undecidable manual PG 234 0.0066 -0.98 0.8
--.PGD.Z. 2000-02-21T22:07:32.27 10.0 undecidable manual SG 137 0.0034 -0.19 0.8
--.GU9.Z. 2000-02-21T22:07:31.47 10.0 undecidable manual PG 289 0.0053 1.08 0.7
--.ZC9.Z. 2000-02-21T22:07:31.10 10.0 undecidable manual SG 304 0.003 0.52 0.7
--.PGD.Z. 2000-02-21T22:07:26.45 10.0 undecidable manual PG 137 0.0034 0.26 2
--.ZC9.Z. 2000-02-21T22:07:24.62 10.0 undecidable manual PG 304 0.003 -0.49 1.7
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
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