Earthquake with magnitude of Md 3.0 on date 21-04-1985 and time 08:06:38 (Italy) in region 4 km E Casola in Lunigiana (MS)

A magnitude Md 3.0 earthquake occured in region: 4 km E Casola in Lunigiana (MS), on

  • 21-04-1985 06:06:38 (UTC)
  • 21-04-1985 08:06:38 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.21, 10.23 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
Casola in Lunigiana MS 4 988 988
Minucciano LU 5 2102 3090
Sillano Giuncugnano LU 6 1085 4175
Piazza al Serchio LU 7 2367 6542
Fivizzano MS 9 7925 14467
Camporgiano LU 10 2176 16643
San Romano in Garfagnana LU 11 1410 18053
Vagli Sotto LU 12 939 18992
Comano MS 12 714 19706
Careggine LU 13 564 20270
Villa Collemandina LU 15 1334 21604
Castiglione di Garfagnana LU 16 1818 23422
Licciana Nardi MS 16 4949 28371
Pieve Fosciana LU 17 2414 30785
Carrara MS 18 63133 93918
Castelnuovo di Garfagnana LU 18 5950 99868
Fosdinovo MS 19 4883 104751
Ventasso RE 19 4295 109046

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km NE of Carrara (63133 inhabitants)
20 Km NE of Massa (69479 inhabitants)
34 Km E of La Spezia (93959 inhabitants)
38 Km N of Viareggio (62467 inhabitants)
46 Km NW of Lucca (89046 inhabitants)
57 Km N of Pisa (89158 inhabitants)
63 Km SW of Reggio nell'Emilia (171345 inhabitants)
63 Km W of Pistoia (90315 inhabitants)
66 Km S of Parma (192836 inhabitants)
73 Km N of Livorno (159219 inhabitants)
74 Km SW of Modena (184973 inhabitants)
79 Km W of Prato (191150 inhabitants)
82 Km SW of Carpi (70699 inhabitants)
91 Km NW of Scandicci (50609 inhabitants)
94 Km W of Bologna (386663 inhabitants)
96 Km NW 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 1985-04-21
06:06:38
44.21 10.23 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 5079
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-04-21 06:06:38 ± 0.223
Latitude 44.21 ± 0.02
Longitude 10.23 ± 0.03
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 5079

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) 2941.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 56
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 29
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) 0.00267
Epicentral distance of station farthest from the epicenter (degree) 0.04177
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 21
Magnitude information

Md:3

Field Value
Value 3
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 5079
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:09:35
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.HAU.Z. 1985-04-21T06:07:50.80 10.0 undecidable manual PN? 326 0.0418 2.41 0
--.CTI.Z. 1985-04-21T06:07:40.00 10.0 undecidable manual SN 28 0.0188 1.26 0.2
--.STV.Z. 1985-04-21T06:07:39.20 10.0 undecidable manual SN 272 0.0186 0.83 0.4
--.BG1.Z. 1985-04-21T06:07:29.50 10.0 undecidable manual SN 347 0.0144 2.27 0
--.SAL.Z. 1985-04-21T06:07:25.00 10.0 undecidable manual SN 8 0.0126 2.43 0
--.BN9.Z. 1985-04-21T06:07:24.00 10.0 undecidable manual PN? 289 0.0239 2.88 0
--.TRI.Z. 1985-04-21T06:07:23.50 10.0 undecidable manual PN 58 0.0262 -1.09 0.6
--.LMR.Z. 1985-04-21T06:07:23.50 10.0 undecidable manual PN 253 0.0253 0.16 1.2
--.FRF.Z. 1985-04-21T06:07:21.50 10.0 undecidable manual PN 257 0.0239 0.4 1.1
--.CTI.Z. 1985-04-21T06:07:13.00 10.0 undecidable manual PN 28 0.0188 -0.29 1.4
--.STV.Z. 1985-04-21T06:07:13.10 10.0 undecidable manual PN 272 0.0186 0.02 1.4
--.CVF.Z. 1985-04-21T06:07:11.00 10.0 undecidable manual PN 211 0.0172 0.11 1.5
--.PAG.Z. 1985-04-21T06:07:11.90 10.0 undecidable manual PN 16 0.0181 -0.26 1.4
--.PAN.Z. 1985-04-21T06:07:11.20 10.0 undecidable manual PN 22 0.0179 -0.68 1.1
--.GEN.Z. 1985-04-21T06:07:09.80 10.0 undecidable manual SG 283 0.0085 -0.98 0.4
--.RNI.Z. 1985-04-21T06:07:08.40 10.0 undecidable manual PN 9 0.0161 -0.8 1.1
--.DDS.Z. 1985-04-21T06:07:08.70 10.0 undecidable manual PN 22 0.0162 -0.6 1.3
--.FIR.N. 1985-04-21T06:07:07.00 10.0 undecidable manual SG 120 0.0077 -0.98 0.4
--.BG1.Z. 1985-04-21T06:07:06.70 10.0 undecidable manual PN 347 0.0144 0.05 1.6
--.BAL.Z. 1985-04-21T06:07:06.90 10.0 undecidable manual PN 15 0.0147 -0.07 1.6
--.CH1.Z. 1985-04-21T06:07:04.50 10.0 undecidable manual PN 114 0.0123 1.13 0.7
--.SAL.Z. 1985-04-21T06:07:03.50 10.0 negative manual PN 8 0.0126 -0.46 2.8
--.CK1.Z. 1985-04-21T06:07:03.00 10.0 undecidable manual PN 279 0.0126 -0.93 1
--.PS9.Z. 1985-04-21T06:06:58.50 10.0 undecidable manual SG 156 0.0048 0.92 0.4
--.FIR.Z. 1985-04-21T06:06:56.00 10.0 undecidable manual PG 120 0.0077 0.47 1.4
--.GEN.Z. 1985-04-21T06:06:55.70 10.0 undecidable manual PG 283 0.0085 -1.45 0.5
--.BD1.Z. 1985-04-21T06:06:50.00 10.0 undecidable manual SG 119 0.0027 -0.19 0.9
--.PS9.Z. 1985-04-21T06:06:49.90 10.0 undecidable manual PG 156 0.0048 0.37 1.5
--.BD1.Z. 1985-04-21T06:06:45.00 10.0 positive manual PG 119 0.0027 -0.26 3.1
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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