Earthquake with magnitude of Md 2.4 on date 04-06-1985 and time 15:29:34 (Italy) in region 1 km NE Roaschia (CN)

A magnitude Md 2.4 earthquake occured in region: 1 km NE Roaschia (CN), on

  • 04-06-1985 13:29:34 (UTC)
  • 04-06-1985 15:29:34 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.2790, 7.4610 at 14 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
Roaschia CN 1 107 107
Roccavione CN 4 2761 2868
Robilante CN 5 2306 5174
Valdieri CN 5 935 6109
Borgo San Dalmazzo CN 6 12468 18577
Entracque CN 7 774 19351
Vernante CN 7 1178 20529
Roccasparvera CN 7 741 21270
Moiola CN 7 234 21504
Gaiola CN 8 582 22086
Vignolo CN 9 2600 24686
Rittana CN 9 109 24795
Boves CN 9 9835 34630
Valloriate CN 10 109 34739
Cervasca CN 12 5013 39752
Bernezzo CN 13 4104 43856
Limone Piemonte CN 13 1485 45341
Demonte CN 14 2003 47344
Peveragno CN 14 5543 52887
Cuneo CN 15 56081 108968
Caraglio CN 16 6836 115804
Valgrana CN 16 786 116590
Beinette CN 18 3423 120013
Chiusa di Pesio CN 18 3676 123689
Monterosso Grana CN 18 505 124194
Montemale di Cuneo CN 19 241 124435
Aisone CN 19 248 124683

Municipalities with at least 50000 inhabitants

An earthquake occurred to
15 Km SW of Cuneo (56081 inhabitants)
57 Km NW of Sanremo (54807 inhabitants)
81 Km W of Savona (61345 inhabitants)
82 Km S of Moncalieri (57294 inhabitants)
90 Km S of Torino (890529 inhabitants)
91 Km SW of Asti (76202 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 2.4 1985-06-04
13:29:34
44.279 7.461 14 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 7949
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-06-04 13:29:34 ± 0.144
Latitude 44.2790 ± 0.0163
Longitude 7.4610 ± 0.0132
Depth (km) 14 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 7949

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) 2094.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 120
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00081
Epicentral distance of station farthest from the epicenter (degree) 0.00850
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 7949
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:12:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.BN9.Z. 1985-06-04T13:30:06.50 10.0 undecidable manual SN 324 0.9435 -0.35 0.3
--.BN9.Z. 1985-06-04T13:29:53.50 10.0 undecidable manual PN 324 0.9435 0.32 0.9
--.FIN.Z. 1985-06-04T13:29:53.20 10.0 undecidable manual SG 97 0.5439 -0.58 0.2
--.IMP.Z. 1985-06-04T13:29:52.10 10.0 undecidable manual SG 139 0.4662 0.32 0.5
--.ROB.Z. 1985-06-04T13:29:46.80 10.0 undecidable manual SG 85 0.2886 0.77 0
--.FIN.Z. 1985-06-04T13:29:45.30 10.0 undecidable manual PG 97 0.5439 -0.33 1.2
--.IMP.Z. 1985-06-04T13:29:44.50 10.0 undecidable manual PG 139 0.4662 0.02 2.1
--.ROB.Z. 1985-06-04T13:29:41.20 10.0 undecidable manual PG 85 0.2886 0.04 2.1
--.STV.Z. 1985-06-04T13:29:40.50 10.0 undecidable manual SG 253 0.0888 0.14 0.8
--.STV.Z. 1985-06-04T13:29:37.70 10.0 undecidable manual PG 253 0.0888 -0.18 1.8
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download