Earthquake with magnitude of Md 2.2 on date 09-03-1985 and time 15:03:43 (Italy) in region 2 km E San Damiano Macra (CN)

A magnitude Md 2.2 earthquake occured in region: 2 km E San Damiano Macra (CN), on

  • 09-03-1985 14:03:43 (UTC)
  • 09-03-1985 15:03:43 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.5, 7.28 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
San Damiano Macra CN 2 430 430
Cartignano CN 2 190 620
Roccabruna CN 5 1585 2205
Valmala CN 7 52 2257
Dronero CN 7 7035 9292
Melle CN 8 292 9584
Macra CN 8 59 9643
Villar San Costanzo CN 8 1547 11190
Frassino CN 8 265 11455
Celle di Macra CN 8 100 11555
Pradleves CN 9 250 11805
Montemale di Cuneo CN 10 241 12046
Brossasco CN 10 1084 13130
Monterosso Grana CN 11 505 13635
Castelmagno CN 11 66 13701
Venasca CN 12 1437 15138
Sampeyre CN 12 1022 16160
Stroppo CN 12 103 16263
Valgrana CN 13 786 17049
Isasca CN 13 76 17125
Rossana CN 13 908 18033
Caraglio CN 15 6836 24869
Brondello CN 15 290 25159
Busca CN 15 10181 35340
Gambasca CN 16 371 35711
Marmora CN 16 68 35779
Martiniana Po CN 16 734 36513
Elva CN 16 97 36610
Piasco CN 16 2774 39384
Canosio CN 17 80 39464
Sanfront CN 17 2395 41859
Bernezzo CN 17 4104 45963
Pagno CN 18 585 46548
Costigliole Saluzzo CN 18 3375 49923
Rifreddo CN 18 1078 51001
Prazzo CN 18 170 51171
Castellar CN 18 295 51466
Rittana CN 19 109 51575
Valloriate CN 19 109 51684
Revello CN 19 4262 55946
Cervasca CN 20 5013 60959
Verzuolo CN 20 6459 67418
Casteldelfino CN 20 157 67575

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km W of Cuneo (56081 inhabitants)
64 Km SW of Moncalieri (57294 inhabitants)
71 Km SW of Torino (890529 inhabitants)
85 Km NW of Sanremo (54807 inhabitants)
86 Km SW of Asti (76202 inhabitants)
98 Km W 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 Md 2.2 1985-03-09
14:03:43
44.5 7.28 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 3129
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-03-09 14:03:43 ± 0.252
Latitude 44.50 ± 0.02
Longitude 7.28 ± 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 3129

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) 3113.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 150
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) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00219
Epicentral distance of station farthest from the epicenter (degree) 0.00639
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:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 3129
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:07:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.BN9.Z. 1985-03-09T14:04:07.50 10.0 undecidable manual SG 322 0.0062 -0.45 0.6
--.ROB.Z. 1985-03-09T14:04:00.70 10.0 undecidable manual SG 114 0.0041 0.28 0.6
--.BN9.Z. 1985-03-09T14:03:58.00 10.0 undecidable manual PG 322 0.0062 0.36 1.2
--.CK1.Z. 1985-03-09T14:03:57.00 10.0 undecidable manual PG 96 0.0064 -0.93 0.4
--.ROB.Z. 1985-03-09T14:03:54.10 10.0 undecidable manual PG 114 0.0041 0.8 0.6
--.STV.Z. 1985-03-09T14:03:52.70 10.0 undecidable manual SG 172 0.0022 -0.79 0.4
--.STV.Z. 1985-03-09T14:03:49.50 10.0 positive manual PG 172 0.0022 0.2 3.2
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
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