ISTITUTO NAZIONALE DI GEOFISICA E VULCANOLOGIA

Earthquake with magnitude of Md 3.0 on date 03-12-1985 and time 04:26:16 (Italy) in region 7 km NE Bagni di Lucca (LU)

A magnitude Md 3.0 earthquake occured in region: 7 km NE Bagni di Lucca (LU), on

  • 03-12-1985 03:26:16 (UTC)
  • 03-12-1985 04:26:16 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.06, 10.64 at 12 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
Bagni di Lucca LU 7 6161 6161
Coreglia Antelminelli LU 9 5215 11376
Abetone PT 9 621 11997
Cutigliano PT 10 1488 13485
Piteglio PT 11 1683 15168
San Marcello Pistoiese PT 12 6416 21584
Borgo a Mozzano LU 12 6994 28578
Barga LU 13 10034 38612
Fiumalbo MO 13 1280 39892
Villa Basilica LU 15 1633 41525
Fosciandora LU 16 602 42127
Pievepelago MO 17 2222 44349
Gallicano LU 17 3807 48156
Marliana PT 17 3210 51366
Pescia PT 18 19644 71010
Molazzana LU 18 1043 72053
Massa e Cozzile PT 19 7983 80036
Riolunato MO 19 712 80748
Castelnuovo di Garfagnana LU 19 5950 86698

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km NW of Pistoia (90315 inhabitants)
27 Km NE of Lucca (89046 inhabitants)
38 Km NE of Viareggio (62467 inhabitants)
40 Km E of Massa (69479 inhabitants)
42 Km W of Prato (191150 inhabitants)
43 Km NE of Pisa (89158 inhabitants)
44 Km E of Carrara (63133 inhabitants)
55 Km NW of Scandicci (50609 inhabitants)
59 Km NW of Firenze (382808 inhabitants)
63 Km NE of Livorno (159219 inhabitants)
65 Km E of La Spezia (93959 inhabitants)
69 Km SW of Modena (184973 inhabitants)
71 Km S of Reggio nell'Emilia (171345 inhabitants)
74 Km SW of Bologna (386663 inhabitants)
83 Km S of Carpi (70699 inhabitants)
86 Km SE of Parma (192836 inhabitants)
91 Km W of Imola (69797 inhabitants)
99 Km NW of Siena (53903 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 3.0 1985-12-03
03:26:16
44.06 10.64 12 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 17309
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-12-03 03:26:16 ± 0.163
Latitude 44.06 ± 0.01
Longitude 10.64 ± 0.02
Depth (km) 12 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 17309

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) 2070.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 72
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 34
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) 0.00024
Epicentral distance of station farthest from the epicenter (degree) 0.02825
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 23
Magnitude information

Md:3

Field Value
Value 3
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 17309
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:20:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.RBL.Z. 1985-12-03T03:27:41.50 10.0 undecidable manual SN 39 0.0283 0.56 0.6
--.FO1.Z. 1985-12-03T03:27:36.50 10.0 undecidable manual SN 29 0.0265 0.35 0.5
--.TRI.Z. 1985-12-03T03:27:31.00 10.0 undecidable manual SN 52 0.0248 -0.69 0.5
--.CTI.Z. 1985-12-03T03:27:15.50 10.0 undecidable manual SN 19 0.0189 -0.82 0.4
--.ROB.Z. 1985-12-03T03:27:14.80 10.0 undecidable manual SN 277 0.018 1.08 0.2
--.RBL.Z. 1985-12-03T03:27:04.00 10.0 undecidable manual PN 39 0.0283 -1.09 0.4
--.SAL.Z. 1985-12-03T03:27:04.50 10.0 undecidable manual SN 356 0.0139 1.52 0.1
--.FO1.Z. 1985-12-03T03:27:01.50 10.0 undecidable manual PN 29 0.0265 -0.83 0.7
--.TRI.Z. 1985-12-03T03:26:59.00 10.0 undecidable manual PN 52 0.0248 -0.75 0.8
--.ORO.Z. 1985-12-03T03:26:56.00 10.0 undecidable manual PN 310 0.022 0.42 1.3
--.GEN.Z. 1985-12-03T03:26:55.30 10.0 undecidable manual SN 286 0.0114 -1.11 0.2
--.DA9.Z. 1985-12-03T03:26:55.50 10.0 undecidable manual PN 281 0.0222 -0.34 1.4
--.MNS.Z. 1985-12-03T03:26:53.00 10.0 undecidable manual PN 137 0.0201 0.37 1.4
--.VAI.Z. 1985-12-03T03:26:52.50 10.0 undecidable manual PN 324 0.0201 -0.15 1.6
--.CO9.Z. 1985-12-03T03:26:51.60 10.0 undecidable manual SN 309 0.01 -0.9 0.3
--.CTI.Z. 1985-12-03T03:26:50.50 10.0 undecidable manual PN 19 0.0189 -0.38 1.4
--.CRE.Z. 1985-12-03T03:26:50.00 10.0 undecidable manual SN 114 0.0093 -0.89 0.3
--.IMP.Z. 1985-12-03T03:26:48.00 10.0 undecidable manual PN 266 0.0178 -1.14 0.5
--.MDI.Z. 1985-12-03T03:26:48.00 10.0 undecidable manual PN 339 0.0165 0.85 0.9
--.ROB.Z. 1985-12-03T03:26:48.60 10.0 undecidable manual PN 277 0.018 -0.78 1
--.CKI.Z. 1985-12-03T03:26:47.00 10.0 undecidable manual PN 282 0.0155 1.32 0.4
--.ARV.Z. 1985-12-03T03:26:47.00 10.0 undecidable manual PN 107 0.0157 1.03 0.7
--.ASS.Z. 1985-12-03T03:26:47.00 10.0 undecidable manual PN 123 0.0159 0.87 0.9
--.FIN.Z. 1985-12-03T03:26:44.80 10.0 undecidable manual PN 275 0.0157 -1.18 0.5
--.SAL.Z. 1985-12-03T03:26:43.50 10.0 undecidable manual PN 356 0.0139 0.33 1.7
--.BVT.Z. 1985-12-03T03:26:41.00 10.0 undecidable manual SG 305 0.0065 -0.24 0.7
--.GEN.Z. 1985-12-03T03:26:40.00 10.0 undecidable manual PN 286 0.0114 0.62 1.3
--.CO9.Z. 1985-12-03T03:26:38.00 10.0 undecidable manual PN 309 0.01 0.87 0.9
--.CRE.Z. 1985-12-03T03:26:36.50 10.0 undecidable manual PN 114 0.0093 0.3 1.7
--.FIR.N. 1985-12-03T03:26:35.00 10.0 undecidable manual SG 122 0.0047 0.08 0.7
--.BVT.Z. 1985-12-03T03:26:31.40 10.0 undecidable manual PG 305 0.0065 0.78 1
--.FIR.Z. 1985-12-03T03:26:27.00 10.0 undecidable manual PG 122 0.0047 0.02 1.8
--.PS9.Z. 1985-12-03T03:26:23.50 10.0 positive manual PG 194 0.0031 -0.24 3.5
--.BDI.Z. 1985-12-03T03:26:18.50 10.0 positive manual PG 273 0.0002 -0.11 3.6
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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