Earthquake with magnitude of M 2.0 on date 27-02-1985 and time 12:52:30 (UTC) in region 1 km W Zuccarello (SV)

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

  • 27-02-1985 12:52:30 (UTC)
  • 27-02-1985 13:52:30 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.11, 8.1 at 9 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
Zuccarello SV 1 309 309
Castelbianco SV 2 330 639
Castelvecchio di Rocca Barbena SV 3 145 784
Erli SV 3 245 1029
Arnasco SV 4 645 1674
Cisano sul Neva SV 5 2085 3759
Vendone SV 5 388 4147
Nasino SV 6 207 4354
Onzo SV 6 219 4573
Balestrino SV 6 595 5168
Ortovero SV 6 1586 6754
Alto CN 8 128 6882
Villanova d'Albenga SV 8 2657 9539
Aquila d'Arroscia IM 8 166 9705
Garlenda SV 9 1254 10959
Toirano SV 9 2644 13603
Ranzo IM 9 557 14160
Bardineto SV 9 756 14916
Casanova Lerrone SV 10 749 15665
Boissano SV 10 2492 18157
Ceriale SV 11 5561 23718
Garessio CN 11 3244 26962
Borghetto d'Arroscia IM 11 456 27418
Albenga SV 11 24213 51631
Borghetto Santo Spirito SV 11 4948 56579
Caprauna CN 12 104 56683
Stellanello SV 13 808 57491
Loano SV 13 11407 68898
Alassio SV 13 10934 79832
Testico SV 13 196 80028
Vessalico IM 13 282 80310
Giustenice SV 14 977 81287
Calizzano SV 14 1475 82762
Magliolo SV 15 974 83736
Armo IM 15 111 83847
Cesio IM 15 283 84130
Pietra Ligure SV 15 8992 93122
Tovo San Giacomo SV 15 2582 95704
Ormea CN 16 1617 97321
Laigueglia SV 16 1810 99131
Villa Faraldi IM 16 444 99575
Priola CN 16 701 100276
Pieve di Teco IM 16 1338 101614
Borgio Verezzi SV 17 2205 103819
Andora SV 17 7552 111371
Caravonica IM 17 282 111653
Chiusanico IM 18 607 112260
Chiusavecchia IM 18 577 112837
Rialto SV 18 564 113401
Diano Arentino IM 19 722 114123
Calice Ligure SV 19 1730 115853
Pornassio IM 19 685 116538
Lucinasco IM 19 272 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
Rev 1000 M 2.0 1985-02-27
12:52:30
44.11 8.1 9 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 2699
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-02-27 12:52:30 ± 0.204
Latitude 44.11 ± 0.04
Longitude 8.10 ± 2.20
Depth (km) 9 ± 168 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 2699

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) 175688.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 178
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

Field Value
Value 2
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 2699
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
--.ROB.Z. 1985-02-27T12:52:40.00 10.0 undecidable manual SG 319 0.0022 -0.16 0.2
--.IMP.Z. 1985-02-27T12:52:39.90 10.0 undecidable manual SG 217 0.0022 -0.1 0.5
--.ROB.Z. 1985-02-27T12:52:36.00 10.0 positive manual PG 319 0.0022 0.11 1.1
--.IMP.Z. 1985-02-27T12:52:35.80 10.0 undecidable manual PG 217 0.0022 0.01 2
--.FIN.Z. 1985-02-27T12:52:35.60 10.0 undecidable manual SG 38 0.0011 -0.17 0.2
--.FIN.Z. 1985-02-27T12:52:33.40 10.0 undecidable manual PG 38 0.0011 0.04 2
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
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