Earthquake with magnitude of M 2.0 on date 27-01-1986 and time 11:50:17 (Italy) in region 1 km SW Murialdo (SV)

A magnitude M 2.0 earthquake occured in region: 1 km SW Murialdo (SV), on

  • 27-01-1986 10:50:17 (UTC)
  • 27-01-1986 11:50:17 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.31, 8.16 at 6 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
Murialdo SV 1 841 841
Osiglia SV 5 444 1285
Castelnuovo di Ceva CN 5 110 1395
Roccavignale SV 6 752 2147
Perlo CN 6 116 2263
Millesimo SV 7 3383 5646
Massimino SV 7 113 5759
Bormida SV 7 387 6146
Montezemolo CN 8 259 6405
Nucetto CN 8 430 6835
Plodio SV 9 650 7485
Cosseria SV 9 1105 8590
Priero CN 9 529 9119
Bagnasco CN 9 1035 10154
Calizzano SV 9 1475 11629
Cengio SV 9 3563 15192
Pallare SV 10 923 16115
Sale delle Langhe CN 11 486 16601
Saliceto CN 11 1323 17924
Mallare SV 11 1146 19070
Sale San Giovanni CN 12 183 19253
Battifollo CN 12 219 19472
Carcare SV 12 5587 25059
Camerana CN 12 631 25690
Ceva CN 13 5782 31472
Priola CN 13 701 32173
Bardineto SV 14 756 32929
Cairo Montenotte SV 14 13269 46198
Scagnello CN 14 194 46392
Rialto SV 14 564 46956
Lisio CN 14 201 47157
Paroldo CN 15 211 47368
Altare SV 15 2108 49476
Magliolo SV 15 974 50450
Viola CN 15 391 50841
Roascio CN 16 97 50938
Mombasiglio CN 16 609 51547
Calice Ligure SV 16 1730 53277
Garessio CN 16 3244 56521
Torresina CN 17 52 56573
Gottasecca CN 17 148 56721
Orco Feglino SV 17 890 57611
Giustenice SV 17 977 58588
Monasterolo Casotto CN 17 89 58677
Monesiglio CN 17 645 59322
Tovo San Giacomo SV 18 2582 61904
Lesegno CN 18 794 62698
Mombarcaro CN 18 268 62966
Igliano CN 19 74 63040
Vezzi Portio SV 19 809 63849
Castellino Tanaro CN 19 312 64161
Dego SV 20 1985 66146
Pamparato CN 20 302 66448
Prunetto CN 20 451 66899
Erli SV 20 245 67144

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km W of Savona (61345 inhabitants)
49 Km E of Cuneo (56081 inhabitants)
62 Km NE of Sanremo (54807 inhabitants)
63 Km W of Genova (586655 inhabitants)
65 Km S of Asti (76202 inhabitants)
76 Km SW of Alessandria (93943 inhabitants)
85 Km SE of Moncalieri (57294 inhabitants)
93 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 M 2.0 1986-01-27
10:50:17
44.31 8.16 6 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 21779
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-01-27 10:50:17 ± 0.315
Latitude 44.31 ± 0.02
Longitude 8.16 ± 0.01
Depth (km) 6 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 21779

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) 2056.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 253
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
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) 0.00097
Epicentral distance of station farthest from the epicenter (degree) 0.00534
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information

M:2

Field Value
Value 2
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 21779
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
--.STV.Z. 1986-01-27T10:50:39.50 10.0 undecidable manual SG 264 0.0053 -0.18 0.3
--.IMP.Z. 1986-01-27T10:50:34.80 10.0 undecidable manual SG 205 0.0039 0.15 0.4
--.STV.Z. 1986-01-27T10:50:30.90 10.0 undecidable manual PG 264 0.0053 0.44 0.2
--.IMP.Z. 1986-01-27T10:50:27.20 10.0 undecidable manual PG 205 0.0039 -0.36 0.4
--.ROB.Z. 1986-01-27T10:50:26.10 10.0 undecidable manual SG 267 0.0018 0.12 0.8
--.ROB.Z. 1986-01-27T10:50:22.40 10.0 undecidable manual PG 267 0.0018 -0.16 2.3
--.FIN.Z. 1986-01-27T10:50:22.80 10.0 undecidable manual SG 160 0.001 0.19 0.6
--.FIN.Z. 1986-01-27T10:50:20.60 10.0 undecidable manual PG 160 0.001 0 3
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
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