Earthquake with magnitude of Md 2.4 on date 26-02-1986 and time 14:07:16 (Italy) in region Confine Italia Svizzera (SVIZZERA)

A magnitude Md 2.4 earthquake occured in region: Confine Italia Svizzera (SVIZZERA), on

  • 26-02-1986 13:07:16 (UTC)
  • 26-02-1986 14:07:16 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 45.9640, 7.3600 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
Bionaz AO 11 236 236
Oyace AO 13 219 455
Ollomont AO 13 157 612
Valpelline AO 15 657 1269
Doues AO 17 510 1779
Allein AO 18 229 2008
Etroubles AO 19 501 2509
Saint-Oyen AO 19 203 2712

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
Bulletin
Rev1000
Md 2.4 1986-02-26
13:07:16
45.964 7.36 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 23179
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-02-26 13:07:16 ± 0.171
Latitude 45.9640 ± 0.0116
Longitude 7.3600 ± 0.0169
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 23179

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) 1833.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 81
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
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) 0.00105
Epicentral distance of station farthest from the epicenter (degree) 0.01757
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitude information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 23179
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:25:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.RRL.-. 1986-02-26T13:07:54.70 10.0 undecidable manual SN 201 1.11 -0.32 0.6
--.BN9.Z. 1986-02-26T13:07:52.00 10.0 undecidable manual SG 207 1.0212 -0.48 0.5
--.SLE.-. 1986-02-26T13:07:52.10 10.0 undecidable manual PN 22 1.9536 1.78 0
--.VAI.Z. 1986-02-26T13:07:50.00 10.0 undecidable manual SG 95 0.9768 -1.09 0.3
--.LLS.-. 1986-02-26T13:07:44.00 10.0 undecidable manual PN 51 1.443 0.82 0.7
--.SOO.-. 1986-02-26T13:07:44.00 10.0 undecidable manual PN 187 1.4652 0.41 1.1
--.MUO.-. 1986-02-26T13:07:41.70 10.0 undecidable manual PN 41 1.3542 -0.37 1.2
--.RRL.-. 1986-02-26T13:07:38.80 10.0 undecidable manual PN 201 1.11 0.03 1.6
--.TMA.-. 1986-02-26T13:07:38.00 10.0 undecidable manual PG 81 1.0545 0.14 1.6
--.VAI.Z. 1986-02-26T13:07:37.00 10.0 undecidable manual PG 95 0.9768 0.5 1.3
--.BN9.Z. 1986-02-26T13:07:37.80 10.0 undecidable manual PG 207 1.0212 0.5 1.3
--.ORX.-. 1986-02-26T13:07:36.40 10.0 undecidable manual SG 127 0.5439 -0.56 0.5
--.LSD.-. 1986-02-26T13:07:36.00 10.0 undecidable manual SG 195 0.5217 -0.33 0.6
--.STG.-. 1986-02-26T13:07:35.30 10.0 undecidable manual PG 306 0.9546 -0.63 1.1
--.ORX.-. 1986-02-26T13:07:28.10 10.0 undecidable manual PG 127 0.5439 -0.24 1.7
--.LSD.-. 1986-02-26T13:07:28.40 10.0 undecidable manual PG 195 0.5217 0.42 1.5
--.MMK.-. 1986-02-26T13:07:25.40 10.0 undecidable manual PG 78 0.4218 -0.77 0.9
--.EMS.-. 1986-02-26T13:07:22.90 10.0 undecidable manual PG 289 0.3108 -0.77 0.9
--.DIX.-. 1986-02-26T13:07:19.00 10.0 undecidable manual PG 16 0.1221 -0.45 1.4
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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