Earthquake with magnitude of Md 3.4 on date 15-02-1986 and time 01:43:08 (UTC) in region Confine Italia Svizzera (SVIZZERA)

A magnitude Md 3.4 earthquake occured in region: Confine Italia Svizzera (SVIZZERA), on

  • 15-02-1986 01:43:08 (UTC)
  • 15-02-1986 02:43:08 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.02, 7.55 at 5 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
Valtournenche AO 17 2277 2277
Bionaz AO 19 236 2513

Municipalities with at least 50000 inhabitants

No Italian municipalities within 100 km from the epicenter with at least 50000 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
M 3.8
1986-02-15
01:43:08
46.02 7.55 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 22719
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-02-15 01:43:08 ± 0.158
Latitude 46.02 ± 0.02
Longitude 7.55 ± 0.02
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 22719

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) 2758
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 42
Number of associated phases, regardless of their use for origin computation 56
Number of defining phases 56
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.9
Epicentral distance of station closest to the epicenter (degree) 0.00097
Epicentral distance of station farthest from the epicenter (degree) 0.05553
Number of stations at which the event was observed 50
Number of stations from which data was used for origin computation 50
Magnitudes information

Md:3.4

Field Value
Value 3.4
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 22719
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:24:52

M:3.8

Field Value
Value 3.8
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 22719
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
--.CM8.Z. 1986-02-15T01:45:15.95 10.0 undecidable manual SN 123 0.0439 -0.4 0.5
--.GRR.Z. 1986-02-15T01:44:40.40 10.0 undecidable manual PN 295 0.0555 0.39 1
--.EPF.Z. 1986-02-15T01:44:38.80 10.0 undecidable manual PN 242 0.0534 2 0.2
--.FLN.Z. 1986-02-15T01:44:38.90 10.0 undecidable manual PN 299 0.0547 0.18 1.1
--.MFF.Z. 1986-02-15T01:44:29.50 10.0 undecidable manual PN 278 0.048 0.95 0.8
--.LFF.Z. 1986-02-15T01:44:23.70 10.0 undecidable manual PN 259 0.044 1.28 0.6
--.CM8.Z. 1986-02-15T01:44:23.00 10.0 undecidable manual PN 123 0.0439 0.72 1
--.LPO.Z. 1986-02-15T01:44:21.10 10.0 undecidable manual PN 255 0.0419 1.85 0.3
--.ASS.Z. 1986-02-15T01:44:20.50 10.0 undecidable manual PN 127 0.0422 0.9 0.9
--.ARV.Z. 1986-02-15T01:44:20.00 10.0 undecidable manual PN 121 0.0412 1.8 0.4
--.RJF.Z. 1986-02-15T01:44:15.30 10.0 undecidable manual PN 262 0.0384 1.41 0.6
--.RBL.Z. 1986-02-15T01:44:14.00 10.0 undecidable manual PN 81 0.0376 1.34 0.7
--.TRI.Z. 1986-02-15T01:44:14.50 10.0 undecidable manual PN 91 0.039 -0.29 1.3
--.LSF.Z. 1986-02-15T01:44:13.40 10.0 undecidable manual PN 275 0.0375 0.87 1
--.SAL.Z. 1986-02-15T01:44:12.50 10.0 undecidable manual SN 100 0.019 1.93 0.2
--.BVT.-. 1986-02-15T01:44:11.90 10.0 undecidable manual SN 133 0.02 -1.22 0.4
--.CAF.Z. 1986-02-15T01:44:11.10 10.0 undecidable manual PN 255 0.0359 1.01 0.9
--.CRE.Z. 1986-02-15T01:44:09.00 10.0 undecidable manual PN 125 0.0354 -0.31 1.4
--.TCF.Z. 1986-02-15T01:44:06.70 10.0 undecidable manual PN 275 0.0333 0.61 1.3
--.CO9.Z. 1986-02-15T01:44:03.00 10.0 undecidable manual SN 132 0.0164 -0.81 0.5
--.VEA.-. 1986-02-15T01:44:03.50 10.0 undecidable manual SN 127 0.0165 -0.55 0.6
--.MZF.Z. 1986-02-15T01:44:03.20 10.0 undecidable manual PN 274 0.0309 0.69 1.3
--.BGF.Z. 1986-02-15T01:44:01.10 10.0 undecidable manual PN 280 0.0295 0.69 1.3
--.PS9.Z. 1986-02-15T01:43:58.50 10.0 undecidable manual PN 136 0.028 0.42 1.5
--.AVF.Z. 1986-02-15T01:43:56.80 10.0 undecidable manual PN 286 0.0269 0.5 1.5
--.MDI.Z. 1986-02-15T01:43:56.50 10.0 undecidable manual SN 98 0.0137 -0.02 1
--.SSF.Z. 1986-02-15T01:43:56.20 10.0 undecidable manual PN 291 0.0266 0.25 1.6
--.BDI.Z. 1986-02-15T01:43:56.00 10.0 undecidable manual PN 131 0.0261 0.78 1.3
--.CTI.Z. 1986-02-15T01:43:54.80 10.0 undecidable manual PN 87 0.0256 0.47 1.6
--.LOR.Z. 1986-02-15T01:43:54.50 10.0 undecidable manual PN 297 0.0253 0.54 1.5
--.FRF.Z. 1986-02-15T01:43:52.00 10.0 undecidable manual PN 194 0.0228 1.85 0.4
--.SMF.Z. 1986-02-15T01:43:51.70 10.0 undecidable manual PN 284 0.0236 0.33 1.6
--.LBF.Z. 1986-02-15T01:43:51.60 10.0 undecidable manual PN 292 0.0237 0.15 1.7
--.CDF.Z. 1986-02-15T01:43:46.40 10.0 undecidable manual PN 355 0.0215 -1.73 0.5
--.SAL.Z. 1986-02-15T01:43:44.50 10.0 undecidable manual PN 100 0.019 0.2 1.7
--.BVT.-. 1986-02-15T01:43:44.90 10.0 undecidable manual PN 133 0.02 -0.87 1.3
--.IMP.-. 1986-02-15T01:43:44.10 10.0 undecidable manual PN 173 0.019 -0.23 1.7
--.VEA.-. 1986-02-15T01:43:41.60 10.0 undecidable manual PN 127 0.0165 1.06 1.1
--.FIN.-. 1986-02-15T01:43:40.60 10.0 undecidable manual PN 165 0.0168 -0.35 1.6
--.CO9.Z. 1986-02-15T01:43:40.80 10.0 undecidable manual PN 132 0.0164 0.41 1.6
--.OSS.-. 1986-02-15T01:43:40.50 10.0 undecidable manual PN 68 0.0172 -0.97 1.2
--.GEN.-. 1986-02-15T01:43:40.60 10.0 undecidable manual PN 147 0.0168 -0.43 1.6
--.BSF.Z. 1986-02-15T01:43:40.00 10.0 undecidable manual PN 344 0.0169 -1.06 1.1
--.SAX.-. 1986-02-15T01:43:38.80 10.0 undecidable manual PN 44 0.0156 -0.34 1.6
--.CKI.Z. 1986-02-15T01:43:38.50 10.0 undecidable manual PN 161 0.0151 0.15 1.7
--.ROB.-. 1986-02-15T01:43:37.10 10.0 undecidable manual PN 172 0.0155 -1.96 0.4
--.MDI.Z. 1986-02-15T01:43:36.00 10.0 undecidable manual PN 98 0.0137 -0.19 1.7
--.ZUL.-. 1986-02-15T01:43:34.90 10.0 undecidable manual PN 21 0.0141 -1.88 0.4
--.DA9.Z. 1986-02-15T01:43:34.50 10.0 undecidable manual PN 187 0.0138 -1.79 0.5
--.RRL.-. 1986-02-15T01:43:30.50 10.0 undecidable manual PN 206 0.011 -1.56 0.7
--.BN9.Z. 1986-02-15T01:43:29.50 10.0 undecidable manual PN 212 0.0103 -1.47 0.7
--.STG.-. 1986-02-15T01:43:27.70 10.0 undecidable manual PG 300 0.0092 -1.48 0.7
--.LPG.Z. 1986-02-15T01:43:22.50 10.0 undecidable manual PG 226 0.0068 -1.72 0.5
--.LSD.-. 1986-02-15T01:43:19.60 10.0 positive manual PG 205 0.0056 -2.09 0.3
--.EMS.-. 1986-02-15T01:43:16.30 10.0 undecidable manual PG 276 0.0038 -1.72 0.5
--.DIX.-. 1986-02-15T01:43:09.90 10.0 undecidable manual PG 301 0.001 -1.17 1
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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