Earthquake with magnitude of Md 2.4 on date 11-12-1997 and time 04:49:42 (Italy) in region 6 km W Sambuca Pistoiese (PT)

A magnitude Md 2.4 earthquake occured in region: 6 km W Sambuca Pistoiese (PT), on

  • 11-12-1997 03:49:42 (UTC)
  • 11-12-1997 04:49:42 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.1140, 10.9310 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
Sambuca Pistoiese PT 6 1626 1626
Alto Reno Terme BO 6 6960 8586
Lizzano in Belvedere BO 6 2212 10798
Gaggio Montano BO 10 4878 15676
Castel di Casio BO 10 3448 19124
San Marcello Pistoiese PT 13 6416 25540
Cutigliano PT 14 1488 27028
Camugnano BO 14 1885 28913
Fanano MO 15 2989 31902
Piteglio PT 16 1683 33585
Cantagallo PO 17 3105 36690
Montese MO 17 3353 40043
Castiglione dei Pepoli BO 18 5648 45691
Sestola MO 18 2508 48199
Vernio PO 19 6060 54259
Castel d'Aiano BO 20 1906 56165
Pistoia PT 20 90315 146480

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km N of Pistoia (90315 inhabitants)
29 Km NW of Prato (191150 inhabitants)
44 Km NW of Scandicci (50609 inhabitants)
46 Km NE of Lucca (89046 inhabitants)
46 Km NW of Firenze (382808 inhabitants)
54 Km SW of Bologna (386663 inhabitants)
59 Km S of Modena (184973 inhabitants)
61 Km E of Viareggio (62467 inhabitants)
61 Km NE of Pisa (89158 inhabitants)
64 Km E of Massa (69479 inhabitants)
67 Km E of Carrara (63133 inhabitants)
68 Km W of Imola (69797 inhabitants)
69 Km SE of Reggio nell'Emilia (171345 inhabitants)
75 Km S of Carpi (70699 inhabitants)
78 Km W of Faenza (58541 inhabitants)
80 Km NE of Livorno (159219 inhabitants)
88 Km E of La Spezia (93959 inhabitants)
89 Km W of Forlì (117913 inhabitants)
90 Km SE of Parma (192836 inhabitants)
94 Km NW of Siena (53903 inhabitants)
97 Km SW of Ferrara (133155 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 1.5
1997-12-11
03:49:42
44.114 10.931 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 316519
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-12-11 03:49:42 ± 0.14
Latitude 44.1140 ± 0.0113
Longitude 10.9310 ± 0.0155
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 316519

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) 1760.7
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 9
Number of defining phases 9
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) 0.00300
Epicentral distance of station farthest from the epicenter (degree) 0.00793
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitudes information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 316519
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:56:46

ML:1.5

Field Value
Value 1.5
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 316519
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
--.SFI.Z. 1997-12-11T03:50:05.53 10.0 undecidable manual SG 107 0.6882 -0.78 0
--.CRE.Z. 1997-12-11T03:50:00.40 10.0 undecidable manual PG 123 0.8769 0.32 0.8
--.PII.Z. 1997-12-11T03:49:59.33 10.0 undecidable manual SG 216 0.4884 -0.52 0.2
--.CSNT.Z. 1997-12-11T03:49:56.56 10.0 undecidable manual PG 157 0.6882 0.42 0.6
--.SFI.Z. 1997-12-11T03:49:55.97 10.0 undecidable manual PG 107 0.6882 -0.16 1.3
--.GU9.Z. 1997-12-11T03:49:55.50 10.0 undecidable manual SG 313 0.333 -0.02 0.7
--.PII.Z. 1997-12-11T03:49:52.30 10.0 undecidable manual PG 216 0.4884 -0.09 1.6
--.EB9.Z. 1997-12-11T03:49:52.57 10.0 undecidable manual PG 309 0.4773 0.36 0.9
--.GU9.Z. 1997-12-11T03:49:49.47 10.0 negative manual PG 313 0.333 -0.16 2.9
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download