Earthquake with magnitude of Md 2.0 on date 27-06-1997 and time 18:56:59 (Italy) in region 3 km W Barberino Val d'Elsa (FI)

A magnitude Md 2.0 earthquake occured in region: 3 km W Barberino Val d'Elsa (FI), on

  • 27-06-1997 16:56:59 (UTC)
  • 27-06-1997 18:56:59 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.5490, 11.1310 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
Barberino Val d'Elsa FI 3 4386 4386
Tavarnelle Val di Pesa FI 4 7800 12186
Certaldo FI 7 16121 28307
Poggibonsi SI 9 29196 57503
San Gimignano SI 11 7820 65323
Montespertoli FI 12 13537 78860
San Casciano in Val di Pesa FI 13 17062 95922
Colle di Val d'Elsa SI 14 21620 117542
Castelfiorentino FI 14 17504 135046
Gambassi Terme FI 14 4870 139916
Castellina in Chianti SI 15 2859 142775
Greve in Chianti FI 16 13862 156637
Montaione FI 18 3700 160337
Impruneta FI 18 14615 174952
Monteriggioni SI 19 9810 184762

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km S of Scandicci (50609 inhabitants)
27 Km SW of Firenze (382808 inhabitants)
30 Km NW of Siena (53903 inhabitants)
37 Km S of Prato (191150 inhabitants)
46 Km SE of Pistoia (90315 inhabitants)
60 Km SE of Lucca (89046 inhabitants)
61 Km W of Arezzo (99543 inhabitants)
62 Km E of Pisa (89158 inhabitants)
66 Km E of Livorno (159219 inhabitants)
79 Km E of Viareggio (62467 inhabitants)
88 Km N of Grosseto (82087 inhabitants)
96 Km SE 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
Bulletin
Rev1000
Md 2.0 1997-06-27
16:56:59
43.549 11.131 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 272159
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-06-27 16:56:59 ± 0.21
Latitude 43.5490 ± 0.0188
Longitude 11.1310 ± 0.0174
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 272159

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) 2512.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 168
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) 0.00121
Epicentral distance of station farthest from the epicenter (degree) 0.00575
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 4
Type of magnitude Md
Reference to an origin 272159
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:17:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.BDI.Z. 1997-06-27T16:57:21.48 10.0 undecidable manual SG 323 0.6327 -0.48 0.4
--.SFI.Z. 1997-06-27T16:57:20.92 10.0 undecidable manual SG 55 0.6216 -0.59 0.3
--.PII.Z. 1997-06-27T16:57:15.63 10.0 undecidable manual SG 291 0.4662 -0.88 0.1
--.SFI.Z. 1997-06-27T16:57:12.45 10.0 undecidable manual PG 55 0.6216 0.26 1.6
--.BDI.Z. 1997-06-27T16:57:12.91 10.0 undecidable manual PG 323 0.6327 0.46 1.1
--.PII.Z. 1997-06-27T16:57:09.45 10.0 undecidable manual PG 291 0.4662 0.15 2.1
--.CSNT.Z. 1997-06-27T16:57:05.17 10.0 undecidable manual SG 123 0.1332 -0.67 0.3
--.CSNT.Z. 1997-06-27T16:57:03.33 10.0 undecidable manual PG 123 0.1332 0.19 2.1
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