INGVCENTRO​NAZIONALE​TERREMOTI
Sala Sismica

Earthquake with magnitude of M 2.0 on date 07-02-1985 and time 12:05:10 (UTC) in region 3 km W Taggia (IM)

A magnitude M 2.0 earthquake occured in region: 3 km W Taggia (IM), on

  • 07-02-1985 12:05:10 (UTC)
  • 07-02-1985 13:05:10 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.86, 7.82 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
Taggia IM 3 14116 14116
Castellaro IM 4 1256 15372
Sanremo IM 5 54807 70179
Ceriana IM 5 1250 71429
Riva Ligure IM 5 2910 74339
Pompeiana IM 6 823 75162
Terzorio IM 6 216 75378
Santo Stefano al Mare IM 7 2197 77575
Badalucco IM 7 1136 78711
Pietrabruna IM 8 501 79212
Montalto Ligure IM 9 377 79589
Cipressa IM 9 1290 80879
Costarainera IM 10 828 81707
Bajardo IM 10 312 82019
Ospedaletti IM 10 3367 85386
Seborga IM 11 315 85701
Civezza IM 11 609 86310
San Lorenzo al Mare IM 12 1297 87607
Perinaldo IM 12 870 88477
Dolcedo IM 12 1415 89892
Carpasio IM 12 168 90060
Prelà IM 12 503 90563
Apricale IM 13 629 91192
Vallebona IM 13 1310 92502
Soldano IM 14 977 93479
Vasia IM 14 389 93868
San Biagio della Cima IM 14 1329 95197
Castel Vittorio IM 14 287 95484
Bordighera IM 14 10469 105953
Isolabona IM 15 679 106632
Pigna IM 15 859 107491
Molini di Triora IM 16 617 108108
Vallecrosia IM 16 6956 115064
Dolceacqua IM 16 2074 117138
Camporosso IM 16 5632 122770
Triora IM 16 355 123125
Aurigo IM 17 347 123472
Borgomaro IM 17 865 124337
Imperia IM 17 42034 166371
Lucinasco IM 17 272 166643
Rocchetta Nervina IM 18 298 166941
Ventimiglia IM 18 24310 191251
Chiusavecchia IM 18 577 191828
Pontedassio IM 18 2323 194151
Rezzo IM 19 366 194517
Caravonica IM 19 282 194799
Chiusanico IM 19 607 195406

Municipalities with at least 50000 inhabitants

An earthquake occurred to
5 Km NE of Sanremo (54807 inhabitants)
64 Km SE of Cuneo (56081 inhabitants)
73 Km SW of Savona (61345 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 1985-02-07
12:05:10
43.86 7.82 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 1269
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-02-07 12:05:10 ± 0.408
Latitude 43.86 ± 0.02
Longitude 7.82 ± 0.03
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 1269

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) 3232.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 324
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) 0.00073
Epicentral distance of station farthest from the epicenter (degree) 0.00405
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 1269
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. 1985-02-07T12:05:27.00 10.0 undecidable manual SG 4 0.004 -0.12 0.4
--.FIN.Z. 1985-02-07T12:05:27.50 10.0 undecidable manual SG 38 0.004 0.33 0
--.ROB.Z. 1985-02-07T12:05:20.30 10.0 undecidable manual PG 4 0.004 0.07 1.1
--.FIN.Z. 1985-02-07T12:05:20.30 10.0 undecidable manual PG 38 0.004 0.04 1.2
--.IMP.Z. 1985-02-07T12:05:15.20 10.0 undecidable manual SG 40 0.0007 -0.28 0.1
--.IMP.Z. 1985-02-07T12:05:13.50 10.0 undecidable manual PG 40 0.0007 -0.01 3.1
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download