Earthquake with magnitude of Md 3.0 on date 10-09-1985 and time 18:07:29 (Italy) in region 3 km SE Riolunato (MO)

A magnitude Md 3.0 earthquake occured in region: 3 km SE Riolunato (MO), on

  • 10-09-1985 16:07:29 (UTC)
  • 10-09-1985 18:07:29 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.21, 10.67 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
Riolunato MO 3 712 712
Fiumalbo MO 4 1280 1992
Pievepelago MO 4 2222 4214
Montecreto MO 6 940 5154
Abetone PT 7 621 5775
Sestola MO 9 2508 8283
Fanano MO 10 2989 11272
Frassinoro MO 12 1926 13198
Lama Mocogno MO 12 2734 15932
Palagano MO 13 2194 18126
Cutigliano PT 14 1488 19614
Polinago MO 16 1672 21286
Montefiorino MO 17 2203 23489
Lizzano in Belvedere BO 19 2212 25701
Coreglia Antelminelli LU 20 5215 30916
Pavullo nel Frignano MO 20 17383 48299
Fosciandora LU 20 602 48901
San Marcello Pistoiese PT 20 6416 55317

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km NW of Pistoia (90315 inhabitants)
43 Km NE of Lucca (89046 inhabitants)
46 Km E of Massa (69479 inhabitants)
48 Km E of Carrara (63133 inhabitants)
50 Km NW of Prato (191150 inhabitants)
51 Km NE of Viareggio (62467 inhabitants)
53 Km SW of Modena (184973 inhabitants)
54 Km S of Reggio nell'Emilia (171345 inhabitants)
59 Km NE of Pisa (89158 inhabitants)
62 Km SW of Bologna (386663 inhabitants)
65 Km NW of Scandicci (50609 inhabitants)
66 Km S of Carpi (70699 inhabitants)
68 Km E of La Spezia (93959 inhabitants)
68 Km NW of Firenze (382808 inhabitants)
71 Km SE of Parma (192836 inhabitants)
78 Km NE of Livorno (159219 inhabitants)
85 Km W of Imola (69797 inhabitants)
97 Km W of Faenza (58541 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 1985-09-10
16:07:29
44.21 10.67 10 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 13019
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-09-10 16:07:29 ± 0.472
Latitude 44.21 ± 0.02
Longitude 10.67 ± 0.03
Depth (km) 10 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 13019

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) 3484
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 77
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 24
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) 0.00138
Epicentral distance of station farthest from the epicenter (degree) 0.02712
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 5
Type of magnitude Md
Reference to an origin 13019
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:16:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.RBL.Z. 1985-09-10T16:08:18.00 10.0 undecidable manual PN 41 0.0271 0.9 0.7
--.VOY.Z. 1985-09-10T16:08:14.60 10.0 undecidable manual PN 50 0.0261 -1.03 0.9
--.COL.Z. 1985-09-10T16:08:11.00 10.0 undecidable manual PN 43 0.0244 -1.83 0.4
--.DA9.Z. 1985-09-10T16:08:09.00 10.0 undecidable manual PN 277 0.0221 -0.44 1.1
--.MNS.Z. 1985-09-10T16:08:08.00 10.0 undecidable manual PN? 140 0.021 0.25 0.5
--.RCL.Z. 1985-09-10T16:08:07.80 10.0 undecidable manual PN 34 0.0215 -0.77 1.1
--.STV.Z. 1985-09-10T16:08:07.70 10.0 undecidable manual PN 272 0.0215 -0.75 0.9
--.CAV.Z. 1985-09-10T16:08:03.50 10.0 undecidable manual PN 14 0.0193 -1.73 0.5
--.CTI.Z. 1985-09-10T16:08:03.50 10.0 undecidable manual PN 20 0.0176 0.92 0.9
--.AS1.Z. 1985-09-10T16:08:02.00 10.0 undecidable manual PN 127 0.0165 1.14 0.8
--.BG1.Z. 1985-09-10T16:08:01.00 10.0 undecidable manual PN 336 0.0153 1.95 0.3
--.ROB.Z. 1985-09-10T16:08:01.90 10.0 undecidable manual PN 273 0.018 -1.22 0.7
--.PAN.Z. 1985-09-10T16:08:00.20 10.0 undecidable manual PN 13 0.017 -1.41 0.7
--.RNI.Z. 1985-09-10T16:08:00.50 10.0 undecidable manual PN 359 0.0159 0.56 1.3
--.SAL.Z. 1985-09-10T16:07:56.00 10.0 undecidable manual PN 355 0.0125 1.14 0.9
--.GEN.Z. 1985-09-10T16:07:53.40 10.0 undecidable manual PN 280 0.0113 0.55 1.5
--.CO9.Z. 1985-09-10T16:07:52.00 10.0 undecidable manual PG 303 0.0092 2.2 0.2
--.FIR.N. 1985-09-10T16:07:52.00 10.0 undecidable manual SG 135 0.0054 1.01 0.4
--.BVT.Z. 1985-09-10T16:07:52.10 10.0 undecidable manual SG 293 0.0059 -0.7 0.4
--.BVT.Z. 1985-09-10T16:07:43.10 10.0 undecidable manual PG 293 0.0059 0.14 1.6
--.FIR.Z. 1985-09-10T16:07:41.50 10.0 undecidable manual PG 135 0.0054 -0.42 1.6
--.PS9.Z. 1985-09-10T16:07:39.50 10.0 positive manual PG 191 0.0045 -0.42 3
--.BD1.Z. 1985-09-10T16:07:36.00 10.0 undecidable manual SG 198 0.0014 -0.39 0.6
--.BD1.Z. 1985-09-10T16:07:34.00 10.0 positive manual PG 198 0.0014 0.51 2.7
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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