Earthquake with magnitude of Md 3.4 on date 18-06-1985 and time 06:09:17 (Italy) in region 6 km N Compiano (PR)

A magnitude Md 3.4 earthquake occured in region: 6 km N Compiano (PR), on

  • 18-06-1985 04:09:17 (UTC)
  • 18-06-1985 06:09:17 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.55, 9.67 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
Compiano PR 6 1112 1112
Bedonia PR 6 3482 4594
Tornolo PR 8 1010 5604
Borgo Val di Taro PR 10 6999 12603
Bardi PR 11 2227 14830
Albareto PR 12 2156 16986
Valmozzola PR 17 539 17525
Ferriere PC 18 1294 18819
Santo Stefano d'Aveto GE 18 1126 19945
Varsi PR 19 1230 21175
Morfasso PC 20 1024 22199
Varese Ligure SP 20 2059 24258

Municipalities with at least 50000 inhabitants

An earthquake occurred to
51 Km N of La Spezia (93959 inhabitants)
56 Km S of Piacenza (102191 inhabitants)
59 Km W of Parma (192836 inhabitants)
61 Km E of Genova (586655 inhabitants)
62 Km NW of Carrara (63133 inhabitants)
68 Km NW of Massa (69479 inhabitants)
71 Km SW of Cremona (71901 inhabitants)
78 Km W of Reggio nell'Emilia (171345 inhabitants)
82 Km SE of Pavia (72576 inhabitants)
89 Km NW of Viareggio (62467 inhabitants)
93 Km E of Alessandria (93943 inhabitants)
98 Km E of Savona (61345 inhabitants)
99 Km W of Carpi (70699 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 3.4
ML-VAX 3.4
1985-06-18
04:09:17
44.55 9.67 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 8669
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-06-18 04:09:17 ± 0.126
Latitude 44.55 ± 0.01
Longitude 9.67 ± 0.01
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 8669

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) 1599.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 53
Number of associated phases, regardless of their use for origin computation 45
Number of defining phases 45
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) 0.00445
Epicentral distance of station farthest from the epicenter (degree) 0.04663
Number of stations at which the event was observed 35
Number of stations from which data was used for origin computation 35
Magnitudes information

Md:3.4

Field Value
Value 3.4
Uncertainty
Num. used stations 6
Type of magnitude Md
Reference to an origin 8669
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:12:38

ML:3.4

Field Value
Value 3.4
Uncertainty
Num. used stations 6
Type of magnitude ML
Reference to an origin 8669
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
--.BGF.Z. 1985-06-18T04:10:36.50 10.0 undecidable manual PN 295 0.0466 0.84 0.6
--.SSF.Z. 1985-06-18T04:10:33.50 10.0 undecidable manual PN 302 0.0448 0.66 0.7
--.AVF.Z. 1985-06-18T04:10:33.60 10.0 undecidable manual PN 299 0.0445 1.12 0.4
--.LOR.Z. 1985-06-18T04:10:32.00 10.0 undecidable manual PN 306 0.0438 0.6 0.8
--.LBF.Z. 1985-06-18T04:10:29.00 10.0 undecidable manual PN 303 0.0418 0.53 0.9
--.SMF.Z. 1985-06-18T04:10:28.40 10.0 undecidable manual PN 299 0.0412 0.93 0.5
--.HAU.Z. 1985-06-18T04:10:22.40 10.0 undecidable manual PN 327 0.0373 0.92 0.6
--.CDF.Z. 1985-06-18T04:10:21.70 10.0 undecidable manual PN 337 0.0377 -0.47 1
--.BSF.Z. 1985-06-18T04:10:17.30 10.0 undecidable manual PN 329 0.0345 0.06 1.2
--.STV.Z. 1985-06-18T04:10:10.00 10.0 undecidable manual SN 260 0.0153 0.04 0.7
--.ORO.Z. 1985-06-18T04:10:08.50 10.0 undecidable manual SN 312 0.0144 0.71 0.6
--.TRI.Z. 1985-06-18T04:10:06.00 10.0 undecidable manual PN 66 0.0279 -1.19 0.4
--.FO1.Z. 1985-06-18T04:10:06.20 10.0 undecidable manual PN 45 0.0268 0.72 0.9
--.VAI.Z. 1985-06-18T04:10:05.00 10.0 undecidable manual SN 334 0.0131 0.68 0.4
--.AS1.Z. 1985-06-18T04:10:02.00 10.0 undecidable manual PN 123 0.0235 1.63 0.2
--.LRG.Z. 1985-06-18T04:10:01.50 10.0 undecidable manual PN 246 0.0236 0.99 0.8
--.ROB.Z. 1985-06-18T04:09:59.60 10.0 undecidable manual SN 259 0.0117 -1.05 0.2
--.LMR.Z. 1985-06-18T04:09:59.60 10.0 undecidable manual PN 243 0.0232 -0.36 1.3
--.BG1.Z. 1985-06-18T04:09:59.00 10.0 undecidable manual SN 1 0.011 0.26 0.6
--.SAL.Z. 1985-06-18T04:09:58.50 10.0 undecidable manual SN 29 0.0109 0.03 0.7
--.FRF.Z. 1985-06-18T04:09:57.40 10.0 undecidable manual PN 246 0.0215 0.09 1.6
--.LPG.Z. 1985-06-18T04:09:56.30 10.0 undecidable manual PN 295 0.0204 0.58 1.3
--.PS9.Z. 1985-06-18T04:09:53.00 10.0 undecidable manual SG 143 0.0092 -0.52 0.7
--.CVF.Z. 1985-06-18T04:09:52.80 10.0 undecidable manual PN 196 0.0185 -0.06 1.7
--.CK1.Z. 1985-06-18T04:09:52.50 10.0 undecidable manual SG 263 0.009 -0.27 0.9
--.CH1.Z. 1985-06-18T04:09:52.10 10.0 undecidable manual PN 118 0.0168 1.86 0.1
--.CTI.Z. 1985-06-18T04:09:51.80 10.0 undecidable manual PN 42 0.0184 -0.77 1
--.GAI.Z. 1985-06-18T04:09:48.50 10.0 undecidable manual PN 287 0.0155 0.35 1.5
--.STV.Z. 1985-06-18T04:09:47.40 10.0 undecidable manual PN 260 0.0153 -0.47 1.4
--.BD1.Z. 1985-06-18T04:09:46.50 10.0 undecidable manual SG 126 0.0074 -0.36 0.8
--.ORX.Z. 1985-06-18T04:09:46.50 10.0 undecidable manual PN 312 0.0145 -0.16 1.7
--.ORO.Z. 1985-06-18T04:09:46.90 10.0 undecidable manual PN 312 0.0144 0.28 1.6
--.VAI.Z. 1985-06-18T04:09:44.50 10.0 positive manual PN 334 0.0131 -0.11 3.4
--.FIR.Z. 1985-06-18T04:09:44.50 10.0 undecidable manual PN 123 0.0123 1.13 0.7
--.IMP.Z. 1985-06-18T04:09:43.60 10.0 undecidable manual PN 244 0.0128 -0.46 1.3
--.ROB.Z. 1985-06-18T04:09:41.70 10.0 negative manual PN 259 0.0117 -0.79 0.9
--.BG1.Z. 1985-06-18T04:09:40.10 10.0 undecidable manual PN 1 0.011 -1.29 0.4
--.SAL.Z. 1985-06-18T04:09:40.50 10.0 undecidable manual PN 29 0.0109 -0.73 1.1
--.PS9.Z. 1985-06-18T04:09:38.00 10.0 positive manual PG 143 0.0092 -0.38 2.7
--.FIN.Z. 1985-06-18T04:09:38.50 10.0 undecidable manual PN 252 0.0099 -1.14 0.5
--.GEN.Z. 1985-06-18T04:09:37.10 10.0 undecidable manual SG 256 0.0049 -0.8 0.4
--.CK1.Z. 1985-06-18T04:09:37.50 10.0 undecidable manual PG 263 0.009 -0.44 1.4
--.BD1.Z. 1985-06-18T04:09:35.00 10.0 undecidable manual PG 126 0.0074 0.47 1.5
--.GEN.Z. 1985-06-18T04:09:29.20 10.0 undecidable manual PG 256 0.0049 -0.16 1.6
--.PCN.Z. 1985-06-18T04:09:27.50 10.0 undecidable manual PG 359 0.0045 -1.13 1.3
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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