Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of M 2.0 on date 04-10-1985 and time 14:13:04 (Italy) in region 1 km W Zuccarello (SV)

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

  • 04-10-1985 13:13:04 (UTC)
  • 04-10-1985 14:13:04 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.1140, 8.1040 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Zuccarello SV 1 309 309
Castelvecchio di Rocca Barbena SV 2 145 454
Castelbianco SV 2 330 784
Erli SV 3 245 1029
Arnasco SV 4 645 1674
Cisano sul Neva SV 4 2085 3759
Vendone SV 5 388 4147
Balestrino SV 6 595 4742
Nasino SV 6 207 4949
Onzo SV 6 219 5168
Ortovero SV 7 1586 6754
Alto CN 8 128 6882
Villanova d'Albenga SV 8 2657 9539
Aquila d'Arroscia IM 8 166 9705
Toirano SV 9 2644 12349
Garlenda SV 9 1254 13603
Bardineto SV 9 756 14359
Ranzo IM 9 557 14916
Boissano SV 10 2492 17408
Casanova Lerrone SV 10 749 18157
Ceriale SV 11 5561 23718
Garessio CN 11 3244 26962
Borghetto Santo Spirito SV 11 4948 31910
Albenga SV 11 24213 56123
Borghetto d'Arroscia IM 12 456 56579
Caprauna CN 12 104 56683
Loano SV 13 11407 68090
Alassio SV 13 10934 79024
Stellanello SV 13 808 79832
Giustenice SV 13 977 80809
Testico SV 13 196 81005
Vessalico IM 14 282 81287
Calizzano SV 14 1475 82762
Magliolo SV 15 974 83736
Pietra Ligure SV 15 8992 92728
Tovo San Giacomo SV 15 2582 95310
Armo IM 15 111 95421
Cesio IM 16 283 95704
Ormea CN 16 1617 97321
Laigueglia SV 16 1810 99131
Priola CN 16 701 99832
Villa Faraldi IM 16 444 100276
Pieve di Teco IM 17 1338 101614
Borgio Verezzi SV 17 2205 103819
Andora SV 18 7552 111371
Caravonica IM 18 282 111653
Chiusanico IM 18 607 112260
Rialto SV 18 564 112824
Calice Ligure SV 18 1730 114554
Chiusavecchia IM 19 577 115131
Diano Arentino IM 19 722 115853
Pornassio IM 19 685 116538
Lucinasco IM 20 272 116810
Borgomaro IM 20 865 117675

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km SW of Savona (61345 inhabitants)
41 Km NE of Sanremo (54807 inhabitants)
54 Km SE of Cuneo (56081 inhabitants)
74 Km W of Genova (586655 inhabitants)
88 Km S of Asti (76202 inhabitants)
98 Km SW of Alessandria (93943 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 		M 2.0 1985-10-04
13:13:04		 44.114 8.104 10 2013-07-15
08:41:04		 Bollettino Sismico Italiano INGV 14119
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-10-04 13:13:04 ± 0.064
Latitude 44.1140 ± 0.0037
Longitude 8.1040 ± 0.0059
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 14119

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) 619.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 179
Number of associated phases, regardless of their use for origin computation 6
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00105
Epicentral distance of station farthest from the epicenter (degree) 0.00219
Number of stations at which the event was observed 3
Number of stations from which data was used for origin computation 3
Magnitude information

M:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 14119
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(km) Takeoff_angle Residual Weight
--.ROB.Z. 1985-10-04T13:13:14.50 10.0 undecidable manual SG 318 0.2442 -0.06 0.6
--.IMP.Z. 1985-10-04T13:13:14.30 10.0 undecidable manual SG 217 0.2442 -0.21 0.1
--.FIN.Z. 1985-10-04T13:13:10.20 10.0 undecidable manual SG 38 0.1221 -0.18 0.2
--.ROB.Z. 1985-10-04T13:13:10.40 10.0 undecidable manual PG 318 0.2442 0.04 1.8
--.IMP.Z. 1985-10-04T13:13:10.40 10.0 undecidable manual PG 217 0.2442 0.07 1.5
--.FIN.Z. 1985-10-04T13:13:08.00 10.0 undecidable manual PG 38 0.1221 0.06 1.8
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