Earthquake with magnitude of Md 2.4 on date 27-06-1997 and time 19:18:55 (Italy) in region 4 km W Tavarnelle Val di Pesa (FI)

A magnitude Md 2.4 earthquake occured in region: 4 km W Tavarnelle Val di Pesa (FI), on

  • 27-06-1997 17:18:55 (UTC)
  • 27-06-1997 19:18:55 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.5730, 11.1330 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
Tavarnelle Val di Pesa FI 4 7800 7800
Barberino Val d'Elsa FI 5 4386 12186
Certaldo FI 8 16121 28307
Montespertoli FI 9 13537 41844
San Casciano in Val di Pesa FI 10 17062 58906
Poggibonsi SI 12 29196 88102
Castelfiorentino FI 14 17504 105606
San Gimignano SI 14 7820 113426
Gambassi Terme FI 15 4870 118296
Greve in Chianti FI 15 13862 132158
Impruneta FI 16 14615 146773
Colle di Val d'Elsa SI 17 21620 168393
Castellina in Chianti SI 17 2859 171252
Montaione FI 18 3700 174952
Montelupo Fiorentino FI 20 14098 189050

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km S of Scandicci (50609 inhabitants)
24 Km SW of Firenze (382808 inhabitants)
33 Km NW of Siena (53903 inhabitants)
34 Km S of Prato (191150 inhabitants)
44 Km SE of Pistoia (90315 inhabitants)
59 Km SE of Lucca (89046 inhabitants)
61 Km E of Pisa (89158 inhabitants)
62 Km W of Arezzo (99543 inhabitants)
66 Km E of Livorno (159219 inhabitants)
78 Km E of Viareggio (62467 inhabitants)
90 Km N of Grosseto (82087 inhabitants)
95 Km SE of Massa (69479 inhabitants)
99 Km SW of Imola (69797 inhabitants)
100 Km SW of Faenza (58541 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
ML-VAX 1.7
1997-06-27
17:18:55
43.573 11.133 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 272189
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-06-27 17:18:55 ± 0.153
Latitude 43.5730 ± 0.0114
Longitude 11.1330 ± 0.0121
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 272189

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) 1596.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 157
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
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) 0.00130
Epicentral distance of station farthest from the epicenter (degree) 0.00777
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:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 272189
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:17:15

ML:1.7

Field Value
Value 1.7
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 272189
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
--.GU9.Z. 1997-06-27T17:19:24.78 10.0 undecidable manual SG 333 0.8658 -0.1 0.5
--.SFI.Z. 1997-06-27T17:19:16.50 10.0 undecidable manual SG 57 0.6105 -0.11 0.7
--.BDI.Z. 1997-06-27T17:19:16.91 10.0 undecidable manual SG 321 0.6216 -0.04 0.7
--.GU9.Z. 1997-06-27T17:19:13.49 10.0 undecidable manual PG 333 0.8658 1.23 0.1
--.PII.Z. 1997-06-27T17:19:12.00 10.0 undecidable manual SG 288 0.4551 0.14 0.8
--.BDI.Z. 1997-06-27T17:19:07.68 10.0 undecidable manual PG 321 0.6216 0 1.8
--.SFI.Z. 1997-06-27T17:19:07.22 10.0 undecidable manual PG 57 0.6105 -0.26 1.5
--.PII.Z. 1997-06-27T17:19:04.32 10.0 undecidable manual PG 288 0.4551 -0.42 1.2
--.CSNT.Z. 1997-06-27T17:19:02.00 10.0 undecidable manual SG 131 0.1443 0.18 0.7
--.CSNT.Z. 1997-06-27T17:18:59.00 10.0 undecidable manual PG 131 0.1443 0.06 2
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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