Earthquake with magnitude of Md 2.9 on date 20-04-1985 and time 01:25:06 (Italy) in region 8 km N Carrara (MS)

A magnitude Md 2.9 earthquake occured in region: 8 km N Carrara (MS), on

  • 19-04-1985 23:25:06 (UTC)
  • 20-04-1985 01:25:06 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.15, 10.12 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
Carrara MS 8 63133 63133
Minucciano LU 8 2102 65235
Fosdinovo MS 8 4883 70118
Casola in Lunigiana MS 8 988 71106
Ortonovo SP 9 8277 79383
Castelnuovo Magra SP 9 8415 87798
Fivizzano MS 10 7925 95723
Massa MS 12 69479 165202
Sarzana SP 13 21976 187178
Vagli Sotto LU 14 939 188117
Aulla MS 14 11263 199380
Licciana Nardi MS 15 4949 204329
Montignoso MS 15 10323 214652
Piazza al Serchio LU 15 2367 217019
Ameglia SP 15 4365 221384
Podenzana MS 16 2180 223564
Santo Stefano di Magra SP 16 9360 232924
Tresana MS 17 2044 234968
Careggine LU 17 564 235532
Comano MS 17 714 236246
Arcola SP 17 10607 246853
Sillano Giuncugnano LU 17 1085 247938
Camporgiano LU 17 2176 250114
Lerici SP 18 10228 260342
Bolano SP 18 7813 268155
Vezzano Ligure SP 19 7356 275511
San Romano in Garfagnana LU 19 1410 276921
Seravezza LU 19 13073 289994

Municipalities with at least 50000 inhabitants

An earthquake occurred to
8 Km N of Carrara (63133 inhabitants)
12 Km N of Massa (69479 inhabitants)
23 Km E of La Spezia (93959 inhabitants)
33 Km NW of Viareggio (62467 inhabitants)
46 Km NW of Lucca (89046 inhabitants)
53 Km NW of Pisa (89158 inhabitants)
68 Km N of Livorno (159219 inhabitants)
68 Km W of Pistoia (90315 inhabitants)
74 Km SW of Reggio nell'Emilia (171345 inhabitants)
75 Km S of Parma (192836 inhabitants)
84 Km W of Prato (191150 inhabitants)
85 Km SW of Modena (184973 inhabitants)
94 Km SW of Carpi (70699 inhabitants)
96 Km W of Scandicci (50609 inhabitants)
99 Km E of Genova (586655 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 2.9 1985-04-19
23:25:06
44.15 10.12 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 5009
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-04-19 23:25:06 ± 0.249
Latitude 44.15 ± 0.02
Longitude 10.12 ± 0.02
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 5009

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) 2832.8
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 36
Number of defining phases 36
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.8
Epicentral distance of station closest to the epicenter (degree) 0.00461
Epicentral distance of station farthest from the epicenter (degree) 0.04193
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 19
Magnitude information

Md:2.9

Field Value
Value 2.9
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 5009
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:09:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.HAU.Z. 1985-04-19T23:27:08.60 10.0 undecidable manual SN 327 0.0419 0.76 0.4
--.LMR.Z. 1985-04-19T23:26:22.90 10.0 undecidable manual SN 254 0.0245 0.98 0.5
--.BN9.Z. 1985-04-19T23:26:20.00 10.0 undecidable manual SN 291 0.0235 0.9 0.5
--.FRF.Z. 1985-04-19T23:26:19.40 10.0 undecidable manual SN 258 0.0231 1.28 0.4
--.HAU.Z. 1985-04-19T23:26:17.60 10.0 undecidable manual PN 327 0.0419 1.01 0.8
--.CTI.Z. 1985-04-19T23:26:10.00 10.0 undecidable manual SN 29 0.0197 0.93 0.6
--.ORO.Z. 1985-04-19T23:26:09.50 10.0 undecidable manual SN? 315 0.019 2.12 0
--.VAI.E. 1985-04-19T23:26:06.20 10.0 undecidable manual SN? 331 0.0176 2.41 0
--.STV.Z. 1985-04-19T23:26:05.20 10.0 undecidable manual SN 274 0.018 0.6 0.7
--.CVF.Z. 1985-04-19T23:26:01.30 10.0 undecidable manual SN 210 0.0164 0.98 0.6
--.ROB.Z. 1985-04-19T23:25:57.00 10.0 undecidable manual SN 276 0.0145 1.55 0.3
--.IMP.Z. 1985-04-19T23:25:55.20 10.0 undecidable manual SN 262 0.0145 -0.23 0.9
--.SAL.Z. 1985-04-19T23:25:52.00 10.0 undecidable manual SN 11 0.0134 -0.48 1.2
--.CH1.Z. 1985-04-19T23:25:52.00 10.0 undecidable manual SN 111 0.0127 1.25 0.4
--.FIN.Z. 1985-04-19T23:25:50.00 10.0 undecidable manual SN 273 0.0123 0.39 0.8
--.LMR.Z. 1985-04-19T23:25:50.10 10.0 undecidable manual PN 254 0.0245 0.02 1.9
--.CK1.Z. 1985-04-19T23:25:49.50 10.0 undecidable manual SN 282 0.0121 0.5 0.8
--.BN9.Z. 1985-04-19T23:25:48.50 10.0 undecidable manual PN 291 0.0235 0.05 1.9
--.FRF.Z. 1985-04-19T23:25:47.90 10.0 undecidable manual PN 258 0.0231 0.02 1.9
--.ORO.Z. 1985-04-19T23:25:43.00 10.0 undecidable manual PN 315 0.019 1.31 1
--.CTI.Z. 1985-04-19T23:25:43.00 10.0 undecidable manual PN 29 0.0197 0.34 2
--.VAI.Z. 1985-04-19T23:25:40.50 10.0 undecidable manual PN 331 0.0176 0.89 1.5
--.STV.Z. 1985-04-19T23:25:39.50 10.0 undecidable manual PN 274 0.018 -0.58 1.9
--.CVF.Z. 1985-04-19T23:25:39.70 10.0 undecidable manual PN? 210 0.0164 2.1 0.1
--.PCN.E. 1985-04-19T23:25:38.00 10.0 undecidable manual SG 340 0.0086 -1.27 0.4
--.BG1.Z. 1985-04-19T23:25:37.00 10.0 undecidable manual PN 350 0.0149 1.64 0.6
--.GEN.Z. 1985-04-19T23:25:36.10 10.0 undecidable manual SG 288 0.0079 -0.83 0.7
--.ROB.Z. 1985-04-19T23:25:34.00 10.0 undecidable manual PN 276 0.0145 -0.79 1.7
--.IMP.Z. 1985-04-19T23:25:34.10 10.0 undecidable manual PN 262 0.0145 -0.68 1.8
--.CH1.Z. 1985-04-19T23:25:32.00 10.0 undecidable manual PN 111 0.0127 -0.08 2.3
--.SAL.Z. 1985-04-19T23:25:30.50 10.0 negative manual PN? 11 0.0134 -2.58 0
--.CK1.Z. 1985-04-19T23:25:30.00 10.0 undecidable manual PN 282 0.0121 -1.07 1.3
--.FIN.Z. 1985-04-19T23:25:30.20 10.0 undecidable manual PN 273 0.0123 -1.22 1.1
--.PCN.Z. 1985-04-19T23:25:24.00 10.0 undecidable manual PG 340 0.0086 -1.45 0.8
--.GEN.Z. 1985-04-19T23:25:22.70 10.0 undecidable manual PG 288 0.0079 -1.4 0.9
--.PS9.Z. 1985-04-19T23:25:16.00 10.0 undecidable manual PG 145 0.0046 -1.24 1.1
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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