Earthquake with magnitude of Md 1.7 on date 09-10-1985 and time 18:24:42 (Italy) in region 1 km S Millesimo (SV)

A magnitude Md 1.7 earthquake occured in region: 1 km S Millesimo (SV), on

  • 09-10-1985 17:24:42 (UTC)
  • 09-10-1985 18:24:42 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.3560, 8.2090 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
Millesimo SV 1 3383 3383
Roccavignale SV 2 752 4135
Cosseria SV 3 1105 5240
Plodio SV 3 650 5890
Cengio SV 4 3563 9453
Murialdo SV 6 841 10294
Montezemolo CN 6 259 10553
Pallare SV 6 923 11476
Castelnuovo di Ceva CN 6 110 11586
Carcare SV 7 5587 17173
Cairo Montenotte SV 7 13269 30442
Saliceto CN 7 1323 31765
Osiglia SV 8 444 32209
Bormida SV 9 387 32596
Camerana CN 9 631 33227
Priero CN 10 529 33756
Mallare SV 10 1146 34902
Perlo CN 10 116 35018
Sale delle Langhe CN 11 486 35504
Altare SV 11 2108 37612
Sale San Giovanni CN 11 183 37795
Nucetto CN 12 430 38225
Gottasecca CN 12 148 38373
Massimino SV 13 113 38486
Dego SV 13 1985 40471
Paroldo CN 14 211 40682
Monesiglio CN 14 645 41327
Ceva CN 14 5782 47109
Bagnasco CN 14 1035 48144
Calizzano SV 15 1475 49619
Castelletto Uzzone CN 15 331 49950
Prunetto CN 16 451 50401
Mombarcaro CN 16 268 50669
Rialto SV 16 564 51233
Torresina CN 16 52 51285
Battifollo CN 16 219 51504
Roascio CN 16 97 51601
Piana Crixia SV 17 788 52389
Quiliano SV 18 7232 59621
Orco Feglino SV 18 890 60511
Scagnello CN 18 194 60705
Calice Ligure SV 18 1730 62435
Giusvalla SV 18 441 62876
Gorzegno CN 18 304 63180
Igliano CN 18 74 63254
Magliolo SV 19 974 64228
Vezzi Portio SV 19 809 65037
Lisio CN 19 201 65238
Mombasiglio CN 19 609 65847
Priola CN 19 701 66548
Bardineto SV 19 756 67304
San Benedetto Belbo CN 19 179 67483
Merana AL 19 189 67672
Castellino Tanaro CN 20 312 67984
Lesegno CN 20 794 68778

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km W of Savona (61345 inhabitants)
52 Km E of Cuneo (56081 inhabitants)
58 Km W of Genova (586655 inhabitants)
61 Km S of Asti (76202 inhabitants)
68 Km NE of Sanremo (54807 inhabitants)
70 Km SW of Alessandria (93943 inhabitants)
83 Km SE of Moncalieri (57294 inhabitants)
90 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
Bulletin
Rev1000
Md 1.7 1985-10-09
17:24:42
44.356 8.209 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 14389
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-10-09 17:24:42 ± 0.195
Latitude 44.3560 ± 0.0137
Longitude 8.2090 ± 0.0199
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 14389

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) 2193.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 142
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00073
Epicentral distance of station farthest from the epicenter (degree) 0.00437
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information

Md:1.7

Field Value
Value 1.7
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 14389
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:17:18
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.IMP.Z. 1985-10-09T17:24:53.50 10.0 undecidable manual PG 207 0.4884 0.32 0.9
--.ROB.Z. 1985-10-09T17:24:52.40 10.0 undecidable manual SG 257 0.2442 -0.35 0.5
--.ROB.Z. 1985-10-09T17:24:48.60 10.0 undecidable manual PG 257 0.2442 0 1.7
--.CK1.Z. 1985-10-09T17:24:48.20 10.0 undecidable manual SG 37 0.0777 0.6 0.3
--.FIN.Z. 1985-10-09T17:24:48.90 10.0 undecidable manual SG 180 0.1443 -0.68 0.2
--.FIN.Z. 1985-10-09T17:24:46.90 10.0 undecidable manual PG 180 0.1443 0.13 1.8
--.CK1.Z. 1985-10-09T17:24:45.00 10.0 positive manual PG 37 0.0777 -0.63 1.5
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download