Earthquake with magnitude of Md 4.1 on date 24-12-1997 and time 18:53:09 (Italy) in region 8 km NE Coreglia Antelminelli (LU)

A magnitude Md 4.1 earthquake occured in region: 8 km NE Coreglia Antelminelli (LU), on

  • 24-12-1997 17:53:09 (UTC)
  • 24-12-1997 18:53:09 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.14, 10.56 at 4 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
Coreglia Antelminelli LU 8 5215 5215
Abetone PT 9 621 5836
Fosciandora LU 9 602 6438
Fiumalbo MO 9 1280 7718
Barga LU 9 10034 17752
Pievepelago MO 9 2222 19974
Pieve Fosciana LU 12 2414 22388
Castiglione di Garfagnana LU 12 1818 24206
Castelnuovo di Garfagnana LU 12 5950 30156
Gallicano LU 13 3807 33963
Molazzana LU 13 1043 35006
Riolunato MO 13 712 35718
Villa Collemandina LU 13 1334 37052
Bagni di Lucca LU 14 6161 43213
Cutigliano PT 16 1488 44701
Fabbriche di Vergemoli LU 17 768 45469
Borgo a Mozzano LU 17 6994 52463
San Romano in Garfagnana LU 18 1410 53873
Frassinoro MO 18 1926 55799
Montecreto MO 18 940 56739
Camporgiano LU 18 2176 58915
Careggine LU 19 564 59479

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km N of Lucca (89046 inhabitants)
35 Km E of Massa (69479 inhabitants)
36 Km NW of Pistoia (90315 inhabitants)
37 Km E of Carrara (63133 inhabitants)
39 Km NE of Viareggio (62467 inhabitants)
48 Km N of Pisa (89158 inhabitants)
51 Km NW of Prato (191150 inhabitants)
58 Km E of La Spezia (93959 inhabitants)
63 Km S of Reggio nell'Emilia (171345 inhabitants)
64 Km SW of Modena (184973 inhabitants)
65 Km NW of Scandicci (50609 inhabitants)
68 Km NE of Livorno (159219 inhabitants)
69 Km NW of Firenze (382808 inhabitants)
74 Km SW of Bologna (386663 inhabitants)
76 Km S of Parma (192836 inhabitants)
77 Km SW of Carpi (70699 inhabitants)
95 Km W of Imola (69797 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 4.1
ML-VAX 3.5
1997-12-24
17:53:09
44.14 10.56 4 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 317839
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-12-24 17:53:09 ± 0.255
Latitude 44.14 ± 0.01
Longitude 10.56 ± 0.02
Depth (km) 4 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 317839

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) 2071
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 96
Number of associated phases, regardless of their use for origin computation 37
Number of defining phases 37
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) 0.00194
Epicentral distance of station farthest from the epicenter (degree) 0.04169
Number of stations at which the event was observed 32
Number of stations from which data was used for origin computation 32
Magnitudes information

Md:4.1

Field Value
Value 4.1
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 317839
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:58:00

ML:3.5

Field Value
Value 3.5
Uncertainty
Num. used stations 13
Type of magnitude ML
Reference to an origin 317839
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. 1997-12-24T17:54:30.30 10.0 undecidable manual SN 31 0.0261 -0.55 0.4
--.CI9.Z. 1997-12-24T17:54:22.47 10.0 undecidable manual PN! 133 0.0417 2.47 0
--.FG3.Z. 1997-12-24T17:54:20.90 10.0 undecidable manual PN 119 0.0416 1.02 0.6
--.SDI.Z. 1997-12-24T17:54:05.69 10.0 undecidable manual PN! 134 0.0305 2.75 0
--.PQ9.Z. 1997-12-24T17:53:58.49 10.0 undecidable manual PN 134 0.0266 1.55 0.3
--.BNI.Z. 1997-12-24T17:53:57.90 10.0 undecidable manual PN 289 0.0261 0.82 0.8
--.PTCC.Z. 1997-12-24T17:53:56.94 10.0 undecidable manual PN 39 0.027 -0.57 1
--.FVI.Z. 1997-12-24T17:53:56.32 10.0 undecidable manual PN 31 0.0261 0.05 1.5
--.AQU.Z. 1997-12-24T17:53:55.53 10.0 undecidable manual PN 129 0.0245 1.75 0.2
--.GE9.Z. 1997-12-24T17:53:54.39 10.0 undecidable manual PN 39 0.0253 -0.48 1.2
--.MCGN.Z. 1997-12-24T17:53:51.59 10.0 undecidable manual PN 316 0.0232 -0.04 1.6
--.BR9.Z. 1997-12-24T17:53:49.44 10.0 undecidable manual PN 356 0.021 0.95 0.8
--.DOI.Z. 1997-12-24T17:53:48.23 10.0 undecidable manual PN 280 0.0215 -1.01 0.8
--.MNS.Z. 1997-12-24T17:53:48.45 10.0 undecidable manual PN 137 0.021 0.11 1.7
--.VVI.Z. 1997-12-24T17:53:47.70 10.0 positive manual PN 34 0.0204 -0.39 2.9
--.VAI.Z. 1997-12-24T17:53:46.56 10.0 negative manual PN 324 0.0193 0.82 2
--.NRCA.Z. 1997-12-24T17:53:46.92 10.0 undecidable manual PN 124 0.0203 -0.45 1.3
--.CTI.Z. 1997-12-24T17:53:44.29 10.0 undecidable manual PN 21 0.0185 -0.32 1.6
--.ARV.Z. 1997-12-24T17:53:42.39 10.0 undecidable manual PN 109 0.0164 0.92 1.2
--.SNTG.Z. 1997-12-24T17:53:42.20 10.0 undecidable manual PN 116 0.0173 -0.63 1.1
--.SFI.Z. 1997-12-24T17:53:42.30 10.0 undecidable manual SG 103 0.0086 -0.68 0.4
--.FB9.Z. 1997-12-24T17:53:41.21 10.0 undecidable manual PN! 104 0.0149 2.16 0
--.ASS.Z. 1997-12-24T17:53:40.81 10.0 undecidable manual PN 124 0.0167 -0.97 0.7
--.CKI.Z. 1997-12-24T17:53:37.54 10.0 undecidable manual PN 280 0.0149 -1.52 0.3
--.SAL.Z. 1997-12-24T17:53:37.22 10.0 undecidable manual PN 359 0.0132 0.7 1.3
--.RSM.Z. 1997-12-24T17:53:36.41 10.0 undecidable manual PN 97 0.0123 1.23 0.7
--.BS9.Z. 1997-12-24T17:53:33.67 10.0 undecidable manual PN! 81 0.0098 2.32 0
--.CRE.Z. 1997-12-24T17:53:30.90 10.0 undecidable manual PN 116 0.0101 -0.88 0.8
--.SFI.Z. 1997-12-24T17:53:29.90 10.0 undecidable manual PG 103 0.0086 0.31 1.8
--.BOB.Z. 1997-12-24T17:53:29.80 10.0 undecidable manual PG 308 0.0091 -0.83 1.2
--.CSNT.Z. 1997-12-24T17:53:26.87 10.0 undecidable manual PG 141 0.0076 0.08 1.9
--.PII.Z. 1997-12-24T17:53:25.10 10.0 undecidable manual SG 183 0.0037 -0.41 0.6
--.EB9.Z. 1997-12-24T17:53:22.22 10.0 undecidable manual SG 339 0.0027 1.05 0.3
--.PII.Z. 1997-12-24T17:53:18.66 10.0 undecidable manual PG 183 0.0037 0.02 1.9
--.GU9.Z. 1997-12-24T17:53:17.10 10.0 undecidable manual SG 5 0.0019 -0.86 0.4
--.EB9.Z. 1997-12-24T17:53:16.16 10.0 undecidable manual PG 339 0.0027 -0.03 1.9
--.GU9.Z. 1997-12-24T17:53:14.42 10.0 undecidable manual PG 5 0.0019 0.13 1.8
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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