Earthquake with magnitude of Md 3.4 on date 29-05-1985 and time 08:01:46 (Italy) in region 4 km NW Oyace (AO)

A magnitude Md 3.4 earthquake occured in region: 4 km NW Oyace (AO), on

  • 29-05-1985 06:01:46 (UTC)
  • 29-05-1985 08:01:46 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 45.88, 7.37 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
Oyace AO 4 219 219
Bionaz AO 4 236 455
Ollomont AO 6 157 612
Valpelline AO 7 657 1269
Doues AO 9 510 1779
Allein AO 11 229 2008
Roisan AO 12 1036 3044
Etroubles AO 13 501 3545
Gignod AO 13 1710 5255
Saint-Oyen AO 14 203 5458
Saint-Christophe AO 15 3432 8890
Saint-Rhémy-en-Bosses AO 16 338 9228
Quart AO 16 4039 13267
Aosta AO 17 34390 47657
Pollein AO 17 1569 49226
Brissogne AO 18 1008 50234
Nus AO 18 2984 53218
Saint-Marcel AO 18 1362 54580
Torgnon AO 18 558 55138
Charvensod AO 18 2468 57606
Verrayes AO 19 1302 58908
Fénis AO 19 1813 60721
Gressan AO 19 3387 64108
Antey-Saint-André AO 19 602 64710
Valtournenche AO 20 2277 66987

Municipalities with at least 50000 inhabitants

An earthquake occurred to
93 Km N of Torino (890529 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 3.4 1985-05-29
06:01:46
45.88 7.37 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 7489
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-05-29 06:01:46 ± 1.586
Latitude 45.88 ± 0.10
Longitude 7.37 ± 0.09
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 7489

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) 13315.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 269
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.8
Epicentral distance of station closest to the epicenter (degree) 0.00445
Epicentral distance of station farthest from the epicenter (degree) 0.01465
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

Md:3.4

Field Value
Value 3.4
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 7489
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:11:41
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.VAI.Z. 1985-05-29T06:02:20.00 10.0 undecidable manual SG 90 0.0087 0.74 0.6
--.BN9.Z. 1985-05-29T06:02:18.00 10.0 undecidable manual SG 210 0.0087 -0.88 0.5
--.STV.Z. 1985-05-29T06:02:15.00 10.0 undecidable manual PN 181 0.0147 0.48 1.5
--.BG1.Z. 1985-05-29T06:02:15.00 10.0 undecidable manual PN 93 0.0147 0.45 1.1
--.CK1.Z. 1985-05-29T06:02:14.50 10.0 undecidable manual PN 156 0.0143 0.45 1.6
--.VAI.Z. 1985-05-29T06:02:03.00 10.0 undecidable manual PG 90 0.0087 -2.23 0.5
--.BN9.Z. 1985-05-29T06:02:00.00 10.0 undecidable manual PG! 210 0.0087 -5.02 0
--.ORO.Z. 1985-05-29T06:01:56.00 10.0 undecidable manual PG 121 0.0045 -0.39 2.1
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