Earthquake with magnitude of Md 2.8 on date 13-12-1997 and time 03:54:30 (Italy) in region 3 km SW Sambuca Pistoiese (PT)

A magnitude Md 2.8 earthquake occured in region: 3 km SW Sambuca Pistoiese (PT), on

  • 13-12-1997 02:54:30 (UTC)
  • 13-12-1997 03:54:30 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.09, 10.97 at 0 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 3 1626 1626
Alto Reno Terme BO 8 6960 8586
Castel di Casio BO 10 3448 12034
Lizzano in Belvedere BO 10 2212 14246
Gaggio Montano BO 13 4878 19124
Cantagallo PO 13 3105 22229
Camugnano BO 13 1885 24114
San Marcello Pistoiese PT 15 6416 30530
Vernio PO 15 6060 36590
Castiglione dei Pepoli BO 16 5648 42238
Cutigliano PT 17 1488 43726
Montale PT 17 10737 54463
Piteglio PT 17 1683 56146
Pistoia PT 18 90315 146461
Vaiano PO 18 9895 156356
Montemurlo PO 19 18456 174812
Fanano MO 19 2989 177801

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km N of Pistoia (90315 inhabitants)
25 Km NW of Prato (191150 inhabitants)
40 Km NW of Scandicci (50609 inhabitants)
42 Km NW of Firenze (382808 inhabitants)
46 Km NE of Lucca (89046 inhabitants)
54 Km SW of Bologna (386663 inhabitants)
61 Km NE of Pisa (89158 inhabitants)
62 Km S of Modena (184973 inhabitants)
63 Km E of Viareggio (62467 inhabitants)
66 Km E of Massa (69479 inhabitants)
66 Km W of Imola (69797 inhabitants)
70 Km E of Carrara (63133 inhabitants)
73 Km SE of Reggio nell'Emilia (171345 inhabitants)
76 Km W of Faenza (58541 inhabitants)
78 Km S of Carpi (70699 inhabitants)
80 Km NE of Livorno (159219 inhabitants)
87 Km W of Forlì (117913 inhabitants)
90 Km NW of Siena (53903 inhabitants)
91 Km E of La Spezia (93959 inhabitants)
94 Km SE of Parma (192836 inhabitants)
98 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
Rev 1000 Md 2.8
ML-VAX 2.2
1997-12-13
02:54:30
44.09 10.97 0 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 316809
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-12-13 02:54:30 ± 0.387
Latitude 44.09 ± 0.01
Longitude 10.97 ± 0.02
Depth (km) 0 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 316809

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) 2408.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 81
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 24
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) 0.0034
Epicentral distance of station farthest from the epicenter (degree) 0.02574
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 19
Magnitudes information

Md:2.8

Field Value
Value 2.8
Uncertainty
Num. used stations 6
Type of magnitude Md
Reference to an origin 316809
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:57:02

ML:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 13
Type of magnitude ML
Reference to an origin 316809
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 Takeoff_angle Residual Weight
--.FVI.Z. 1997-12-13T02:55:16.90 10.0 undecidable manual PN 25 0.0253 -0.29 1.1
--.PTCC.Z. 1997-12-13T02:55:15.70 10.0 undecidable manual PN 34 0.0257 -1.37 0.2
--.ORO.Z. 1997-12-13T02:55:14.53 10.0 undecidable manual PN 306 0.0236 0.8 0.8
--.AQU.Z. 1997-12-13T02:55:13.60 10.0 undecidable manual PN 133 0.0223 1.26 0.4
--.VAI.Z. 1997-12-13T02:55:11.53 10.0 undecidable manual PN 319 0.0212 1.3 0.4
--.NRCA.Z. 1997-12-13T02:55:04.27 10.0 undecidable manual PN 127 0.0179 -0.94 0.7
--.CRE.Z. 1997-12-13T02:55:01.90 10.0 undecidable manual SG 122 0.0076 -0.1 0.8
--.ARV.Z. 1997-12-13T02:55:01.66 10.0 undecidable manual PN! 111 0.0138 2.71 0
--.SNTG.Z. 1997-12-13T02:54:59.92 10.0 undecidable manual PN 119 0.0148 -0.52 1.4
--.SAL.Z. 1997-12-13T02:54:59.63 10.0 undecidable manual PN 348 0.0139 0.52 1.5
--.ASS.Z. 1997-12-13T02:54:59.28 10.0 undecidable manual PN 129 0.0142 -0.36 1.6
--.FB9.Z. 1997-12-13T02:54:56.95 10.0 undecidable manual PN 105 0.0122 0.48 1.6
--.BOB.Z. 1997-12-13T02:54:56.70 10.0 undecidable manual PN 302 0.0115 1.31 0.5
--.CSNT.Z. 1997-12-13T02:54:55.38 10.0 undecidable manual SG 158 0.0058 0.31 0.7
--.SFI.Z. 1997-12-13T02:54:54.50 10.0 undecidable manual SG 105 0.0059 -0.59 0.6
--.RSM.Z. 1997-12-13T02:54:53.16 10.0 undecidable manual PG 97 0.0096 0.82 1.1
--.CRE.Z. 1997-12-13T02:54:48.90 10.0 undecidable manual PG 122 0.0076 0.01 1.9
--.PII.Z. 1997-12-13T02:54:47.95 10.0 undecidable manual SG 221 0.0044 -0.96 0.3
--.CSNT.Z. 1997-12-13T02:54:45.30 10.0 undecidable manual PG 158 0.0058 0.48 1.6
--.SFI.Z. 1997-12-13T02:54:44.55 10.0 undecidable manual PG 105 0.0059 -0.01 1.9
--.GU9.Z. 1997-12-13T02:54:44.65 10.0 undecidable manual SG 313 0.0034 -0.16 0.7
--.PII.Z. 1997-12-13T02:54:40.78 10.0 undecidable manual PG 221 0.0044 -0.21 1.8
--.EB9.Z. 1997-12-13T02:54:40.88 10.0 undecidable manual PG 309 0.0046 -0.84 1
--.GU9.Z. 1997-12-13T02:54:38.60 10.0 undecidable manual PG 313 0.0034 -0.57 1.4
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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