Earthquake with magnitude of Md 2.6 on date 01-06-1985 and time 22:03:48 (Italy) in region Confine Italia Svizzera (SVIZZERA)

A magnitude Md 2.6 earthquake occured in region: Confine Italia Svizzera (SVIZZERA), on

  • 01-06-1985 20:03:48 (UTC)
  • 01-06-1985 22:03:48 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.36, 7.82 at 13 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

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
98 Km NW of Varese (80799 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 2.6 1985-06-01
20:03:48
46.36 7.82 13 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 7799
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-06-01 20:03:48 ± 0.547
Latitude 46.36 ± 0.02
Longitude 7.82 ± 0.08
Depth (km) 13 ± 7 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 7799

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) 6761.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 173
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.7
Epicentral distance of station closest to the epicenter (degree) 0.00291
Epicentral distance of station farthest from the epicenter (degree) 0.02566
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

Md:2.6

Field Value
Value 2.6
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 7799
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:11:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.LOR.Z. 1985-06-01T20:05:06.40 10.0 undecidable manual SN 290 0.0257 -0.09 0.6
--.SMF.Z. 1985-06-01T20:05:03.70 10.0 undecidable manual SN 277 0.0248 -0.29 0.5
--.HAU.Z. 1985-06-01T20:04:44.80 10.0 undecidable manual SN 329 0.0173 0.52 0.7
--.BSF.Z. 1985-06-01T20:04:37.00 10.0 undecidable manual SN 334 0.0147 -0.23 0.7
--.BN9.Z. 1985-06-01T20:04:34.60 10.0 undecidable manual SN 211 0.0138 -0.36 0.9
--.LOR.Z. 1985-06-01T20:04:34.90 10.0 undecidable manual PN 290 0.0257 1.34 0.6
--.SMF.Z. 1985-06-01T20:04:33.30 10.0 undecidable manual PN 277 0.0248 1.19 0.8
--.IMP.Z. 1985-06-01T20:04:29.50 10.0 undecidable manual PN 178 0.0219 1.66 0.4
--.HAU.Z. 1985-06-01T20:04:20.50 10.0 undecidable manual PN 329 0.0173 -0.23 1.8
--.BSF.Z. 1985-06-01T20:04:15.80 10.0 undecidable manual PN 334 0.0147 -0.87 1.1
--.BN9.Z. 1985-06-01T20:04:14.50 10.0 undecidable manual PN 211 0.0138 -0.85 1
--.ROF.Z. 1985-06-01T20:04:14.40 10.0 undecidable manual PN 334 0.0131 0.04 1.9
--.BBS.Z. 1985-06-01T20:04:09.80 10.0 undecidable manual PN 349 0.01 0.07 1.9
--.ORO.Z. 1985-06-01T20:04:02.00 10.0 undecidable manual PG 171 0.0066 -1.42 0.6
--.MMK.Z. 1985-06-01T20:03:56.40 10.0 undecidable manual PG 162 0.0029 0.69 1.4
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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