Earthquake with magnitude of Md 2.0 on date 12-06-1986 and time 14:54:46 (Italy) in region 2 km NW Roccavignale (SV)

A magnitude Md 2.0 earthquake occured in region: 2 km NW Roccavignale (SV), on

  • 12-06-1986 12:54:46 (UTC)
  • 12-06-1986 14:54:46 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.38, 8.18 at 4 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
Roccavignale SV 2 752 752
Cengio SV 2 3563 4315
Millesimo SV 3 3383 7698
Montezemolo CN 3 259 7957
Saliceto CN 4 1323 9280
Cosseria SV 4 1105 10385
Castelnuovo di Ceva CN 5 110 10495
Plodio SV 6 650 11145
Camerana CN 6 631 11776
Priero CN 7 529 12305
Murialdo SV 7 841 13146
Cairo Montenotte SV 8 13269 26415
Sale delle Langhe CN 8 486 26901
Sale San Giovanni CN 9 183 27084
Carcare SV 9 5587 32671
Perlo CN 9 116 32787
Pallare SV 9 923 33710
Gottasecca CN 9 148 33858
Paroldo CN 11 211 34069
Nucetto CN 11 430 34499
Monesiglio CN 11 645 35144
Osiglia SV 11 444 35588
Ceva CN 12 5782 41370
Bormida SV 12 387 41757
Massimino SV 12 113 41870
Mombarcaro CN 13 268 42138
Castelletto Uzzone CN 13 331 42469
Prunetto CN 13 451 42920
Dego SV 13 1985 44905
Torresina CN 13 52 44957
Roascio CN 13 97 45054
Mallare SV 13 1146 46200
Altare SV 14 2108 48308
Bagnasco CN 14 1035 49343
Battifollo CN 15 219 49562
Igliano CN 15 74 49636
Gorzegno CN 15 304 49940
Piana Crixia SV 16 788 50728
San Benedetto Belbo CN 16 179 50907
Scagnello CN 16 194 51101
Calizzano SV 17 1475 52576
Murazzano CN 17 834 53410
Mombasiglio CN 17 609 54019
Castellino Tanaro CN 17 312 54331
Niella Belbo CN 17 372 54703
Lesegno CN 17 794 55497
Marsaglia CN 18 245 55742
Lisio CN 18 201 55943
Levice CN 18 231 56174
Pezzolo Valle Uzzone CN 18 344 56518
Merana AL 18 189 56707
Giusvalla SV 19 441 57148
Bergolo CN 19 71 57219
Bonvicino CN 19 92 57311
Rialto SV 19 564 57875
Bossolasco CN 19 679 58554
Feisoglio CN 19 316 58870
Priola CN 19 701 59571
Viola CN 20 391 59962
Rocca Cigliè CN 20 142 60104
Monasterolo Casotto CN 20 89 60193

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km W of Savona (61345 inhabitants)
50 Km E of Cuneo (56081 inhabitants)
58 Km S of Asti (76202 inhabitants)
60 Km W of Genova (586655 inhabitants)
69 Km SW of Alessandria (93943 inhabitants)
70 Km NE of Sanremo (54807 inhabitants)
80 Km SE of Moncalieri (57294 inhabitants)
87 Km SE of Torino (890529 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 2.0
M 2.2
1986-06-12
12:54:46
44.38 8.18 4 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 29209
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-06-12 12:54:46 ± 0.108
Latitude 44.38 ± 0.01
Longitude 8.18 ± 0.01
Depth (km) 4 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 29209

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) 1086.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 139
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00065
Epicentral distance of station farthest from the epicenter (degree) 0.00696
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

Md:2

Field Value
Value 2
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 29209
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:30:35

M:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 29209
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 09:48:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.SOO.Z. 1986-06-12T12:55:14.50 10.0 undecidable manual SG 279 0.007 -0.25 0.3
--.STV.Z. 1986-06-12T12:55:09.80 10.0 undecidable manual SG 258 0.0056 0.15 0.6
--.SOO.Z. 1986-06-12T12:55:02.70 10.0 undecidable manual PG 279 0.007 -0.13 1
--.STV.Z. 1986-06-12T12:55:00.10 10.0 undecidable manual PG 258 0.0056 0.21 0.9
--.ROB.Z. 1986-06-12T12:54:55.60 10.0 undecidable manual SG 251 0.002 -0.05 0.7
--.FIN.Z. 1986-06-12T12:54:52.90 10.0 undecidable manual SG 173 0.0015 -0.38 0.3
--.ROB.Z. 1986-06-12T12:54:51.80 10.0 undecidable manual PG 251 0.002 0 1.7
--.FIN.Z. 1986-06-12T12:54:50.60 10.0 positive manual PG 173 0.0015 0.16 2.7
--.CKI.Z. 1986-06-12T12:54:50.50 10.0 undecidable manual SG 59 0.0006 0.59 0.1
--.CKI.Z. 1986-06-12T12:54:48.20 10.0 positive manual PG 59 0.0006 -0.29 1.7
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
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