Earthquake with magnitude of Md 3.0 on date 25-02-1987 and time 19:15:45 (Italy) in region 3 km W Minucciano (LU)

A magnitude Md 3.0 earthquake occured in region: 3 km W Minucciano (LU), on

  • 25-02-1987 18:15:45 (UTC)
  • 25-02-1987 19:15:45 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.16, 10.17 at 5 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
Minucciano LU 3 2102 2102
Casola in Lunigiana MS 4 988 3090
Fivizzano MS 9 7925 11015
Vagli Sotto LU 11 939 11954
Piazza al Serchio LU 11 2367 14321
Carrara MS 11 63133 77454
Fosdinovo MS 12 4883 82337
Sillano Giuncugnano LU 12 1085 83422
Camporgiano LU 13 2176 85598
Careggine LU 13 564 86162
Ortonovo SP 13 8277 94439
Castelnuovo Magra SP 14 8415 102854
San Romano in Garfagnana LU 14 1410 104264
Massa MS 14 69479 173743
Comano MS 15 714 174457
Licciana Nardi MS 15 4949 179406
Montignoso MS 16 10323 189729
Aulla MS 17 11263 200992
Sarzana SP 18 21976 222968
Villa Collemandina LU 18 1334 224302
Podenzana MS 19 2180 226482
Tresana MS 19 2044 228526
Seravezza LU 19 13073 241599
Castiglione di Garfagnana LU 20 1818 243417
Pieve Fosciana LU 20 2414 245831

Municipalities with at least 50000 inhabitants

An earthquake occurred to
11 Km NE of Carrara (63133 inhabitants)
14 Km N of Massa (69479 inhabitants)
28 Km E of La Spezia (93959 inhabitants)
34 Km N of Viareggio (62467 inhabitants)
44 Km NW of Lucca (89046 inhabitants)
53 Km NW of Pisa (89158 inhabitants)
65 Km W of Pistoia (90315 inhabitants)
69 Km N of Livorno (159219 inhabitants)
70 Km SW of Reggio nell'Emilia (171345 inhabitants)
72 Km S of Parma (192836 inhabitants)
81 Km SW of Modena (184973 inhabitants)
81 Km W of Prato (191150 inhabitants)
89 Km SW of Carpi (70699 inhabitants)
93 Km W of Scandicci (50609 inhabitants)
98 Km W of Firenze (382808 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
M 3.0
1987-02-25
18:15:45
44.17 10.17 5 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 41979
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1987-02-25 18:15:45 ± 0.422
Latitude 44.17 ± 0.02
Longitude 10.17 ± 0.02
Depth (km) 5 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 41979

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) 2222.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 66
Number of associated phases, regardless of their use for origin computation 58
Number of defining phases 58
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.7
Epicentral distance of station closest to the epicenter (degree) 0.00291
Epicentral distance of station farthest from the epicenter (degree) 0.051
Number of stations at which the event was observed 33
Number of stations from which data was used for origin computation 33
Magnitudes information

Md:3

Field Value
Value 3
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 41979
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:41:43

M:3

Field Value
Value 3
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 41979
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 09:42:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.BGF.Z. 1987-02-25T18:18:14.00 10.0 undecidable manual SN 297 0.051 1.76 0.1
--.SMF.Z. 1987-02-25T18:18:00.20 10.0 undecidable manual SN 301 0.0457 1.87 0.1
--.CDF.Z. 1987-02-25T18:17:50.00 10.0 undecidable manual SN 336 0.0422 1 0.4
--.HAU.Z. 1987-02-25T18:17:50.00 10.0 undecidable manual SN 327 0.0419 1.67 0.2
--.BSF.Z. 1987-02-25T18:17:42.60 10.0 undecidable manual SN 328 0.0391 1.71 0.2
--.BGF.Z. 1987-02-25T18:17:11.80 10.0 undecidable manual PN 297 0.051 1.53 0.4
--.LRG.Z. 1987-02-25T18:17:05.60 10.0 undecidable manual SN 257 0.0255 0.7 0.6
--.SMF.Z. 1987-02-25T18:17:03.80 10.0 undecidable manual PN 301 0.0457 1.56 0.4
--.LMR.Z. 1987-02-25T18:17:02.80 10.0 undecidable manual SN 254 0.0249 -0.5 0.7
--.FRF.Z. 1987-02-25T18:16:59.20 10.0 undecidable manual SN 258 0.0235 -0.27 0.7
--.CDF.Z. 1987-02-25T18:16:57.00 10.0 undecidable manual PN 336 0.0422 0.16 1.3
--.HAU.Z. 1987-02-25T18:16:57.20 10.0 undecidable manual PN 327 0.0419 0.74 1.1
--.RSP.Z. 1987-02-25T18:16:52.20 10.0 undecidable manual SN 296 0.0206 0.24 0.8
--.BSF.Z. 1987-02-25T18:16:52.20 10.0 undecidable manual PN 328 0.0391 0.04 1.4
--.SOO.Z. 1987-02-25T18:16:48.50 10.0 undecidable manual SN 280 0.0199 -1.7 0.2
--.CTI.Z. 1987-02-25T18:16:47.00 10.0 undecidable manual SN 28 0.0193 -1.63 0.2
--.STV.Z. 1987-02-25T18:16:45.00 10.0 undecidable manual SN 273 0.0183 -0.85 0.6
--.SBF.Z. 1987-02-25T18:16:44.20 10.0 undecidable manual SN 262 0.0179 -0.51 0.7
--.CVF.Z. 1987-02-25T18:16:40.40 10.0 undecidable manual SN 211 0.0167 -1.16 0.4
--.IMP.Z. 1987-02-25T18:16:35.70 10.0 undecidable manual SN 262 0.0148 -1.06 0.5
--.ROB.Z. 1987-02-25T18:16:35.10 10.0 undecidable manual SN 275 0.0148 -1.57 0.2
--.SAL.Z. 1987-02-25T18:16:33.00 10.0 undecidable manual SN 10 0.0131 0.74 0.7
--.FO1.Z. 1987-02-25T18:16:33.00 10.0 undecidable manual PN 36 0.0274 -1.2 0.9
--.CRE.Z. 1987-02-25T18:16:32.00 10.0 undecidable manual SN 112 0.0125 1.39 0.3
--.LPL.Z. 1987-02-25T18:16:32.70 10.0 undecidable manual PN 300 0.025 2.03 0.3
--.LRG.Z. 1987-02-25T18:16:32.20 10.0 undecidable manual PN 257 0.0255 0.82 1.4
--.LPG.Z. 1987-02-25T18:16:32.50 10.0 undecidable manual PN 300 0.0249 2.11 0.3
--.LMR.Z. 1987-02-25T18:16:30.20 10.0 undecidable manual PN 254 0.0249 -0.26 1.8
--.FRF.Z. 1987-02-25T18:16:28.20 10.0 undecidable manual PN 258 0.0235 -0.05 1.9
--.MF9.Z. 1987-02-25T18:16:28.00 10.0 undecidable manual SN 103 0.0113 0.73 0.7
--.FIN.Z. 1987-02-25T18:16:28.70 10.0 undecidable manual SN 272 0.0126 -2.16 0.1
--.RSP.Z. 1987-02-25T18:16:25.40 10.0 undecidable manual PN 296 0.0206 1.48 0.8
--.SOO.Z. 1987-02-25T18:16:22.20 10.0 undecidable manual PN 280 0.0199 -0.7 1.6
--.ASS.Z. 1987-02-25T18:16:22.50 10.0 undecidable manual PN 120 0.0189 1.12 1.2
--.DA9.Z. 1987-02-25T18:16:21.50 10.0 undecidable manual PN 280 0.019 0 2.1
--.VAI.Z. 1987-02-25T18:16:21.00 10.0 undecidable manual PN 330 0.0176 1.55 0.7
--.STV.Z. 1987-02-25T18:16:20.30 10.0 undecidable manual PN 273 0.0183 -0.09 2.1
--.CTI.Z. 1987-02-25T18:16:20.50 10.0 undecidable manual PN 28 0.0193 -1.49 0.7
--.SBF.Z. 1987-02-25T18:16:19.60 10.0 undecidable manual PN 262 0.0179 -0.13 2
--.CVF.Z. 1987-02-25T18:16:18.10 10.0 undecidable manual PN 211 0.0167 0.2 2
--.GEN.Z. 1987-02-25T18:16:17.20 10.0 undecidable manual SG 286 0.0082 -0.66 0.7
--.IMP.Z. 1987-02-25T18:16:14.70 10.0 undecidable manual PN 262 0.0148 -0.44 1.9
--.ROB.Z. 1987-02-25T18:16:14.40 10.0 undecidable manual PN 275 0.0148 -0.69 1.6
--.MDI.Z. 1987-02-25T18:16:14.50 10.0 undecidable manual PN 349 0.0147 -0.51 1.8
--.CO9.Z. 1987-02-25T18:16:13.00 10.0 undecidable manual SG 320 0.007 -0.88 0.6
--.VEA.Z. 1987-02-25T18:16:12.40 10.0 undecidable manual SG 332 0.0074 -2.5 0
--.SAL.Z. 1987-02-25T18:16:12.00 10.0 undecidable manual PN 10 0.0131 -0.54 1.8
--.FIN.Z. 1987-02-25T18:16:11.10 10.0 undecidable manual PN 272 0.0126 -0.63 1.7
--.CRE.Z. 1987-02-25T18:16:11.00 10.0 undecidable manual PN 112 0.0125 -0.59 1.7
--.CKI.Z. 1987-02-25T18:16:10.50 10.0 undecidable manual PN 281 0.0123 -0.83 1.5
--.MF9.Z. 1987-02-25T18:16:09.00 10.0 undecidable manual PN 103 0.0113 -0.66 1.7
--.PS9.Z. 1987-02-25T18:16:04.50 10.0 undecidable manual SG 150 0.0045 -0.41 1.1
--.GEN.Z. 1987-02-25T18:16:04.10 10.0 undecidable manual PG 286 0.0082 -0.13 2
--.CO9.Z. 1987-02-25T18:16:01.00 10.0 undecidable manual PG 320 0.007 -0.93 1.3
--.VEA.Z. 1987-02-25T18:16:01.70 10.0 undecidable manual PG 332 0.0074 -0.81 1.5
--.PS9.Z. 1987-02-25T18:15:57.50 10.0 undecidable manual PG 150 0.0045 0.75 1.6
--.BDI.Z. 1987-02-25T18:15:57.50 10.0 undecidable manual SG 108 0.0029 -0.7 0.7
--.BDI.Z. 1987-02-25T18:15:53.00 10.0 undecidable manual PG 108 0.0029 0.13 2.1
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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