Earthquake with magnitude of Md 2.3 on date 08-06-1985 and time 09:54:53 (Italy) in region Confine Italia Svizzera (SVIZZERA)

A magnitude Md 2.3 earthquake occured in region: Confine Italia Svizzera (SVIZZERA), on

  • 08-06-1985 07:54:53 (UTC)
  • 08-06-1985 09:54:53 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.0460, 7.8590 at 8 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
Macugnaga VB 12 557 557
Ceppo Morelli VB 18 321 878
Antrona Schieranco VB 20 428 1306

Municipalities with at least 50000 inhabitants

An earthquake occurred to
79 Km W of Varese (80799 inhabitants)
84 Km W of Gallarate (53343 inhabitants)
89 Km NW of Novara (104380 inhabitants)
91 Km NW of Busto Arsizio (83106 inhabitants)
96 Km NW of Legnano (60262 inhabitants)
98 Km W of Como (84495 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 2.3 1985-06-08
07:54:53
46.046 7.859 8 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 8199
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-06-08 07:54:53 ± 0.501
Latitude 46.0460 ± 0.0167
Longitude 7.8590 ± 0.0595
Depth (km) 8 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 8199

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) 4953.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 112
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
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) 0.00065
Epicentral distance of station farthest from the epicenter (degree) 0.01983
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitude information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 8199
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:12:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.HAU.Z. 1985-06-08T07:55:56.90 10.0 undecidable manual SN 332 2.1978 0.26 0.5
--.SLE.Z. 1985-06-08T07:55:45.50 10.0 undecidable manual SN 13 1.7649 -0.68 0.5
--.SAX.Z. 1985-06-08T07:55:43.00 10.0 undecidable manual SN 39 1.5762 1.46 0.2
--.ZUL.Z. 1985-06-08T07:55:37.50 10.0 undecidable manual SN 14 1.4763 -1.71 0.2
--.HAU.Z. 1985-06-08T07:55:31.40 10.0 undecidable manual PN 332 2.1978 1.61 0.4
--.BSF.Z. 1985-06-08T07:55:25.90 10.0 undecidable manual PN 338 1.9203 0.02 1.5
--.ROF.Z. 1985-06-08T07:55:23.40 10.0 undecidable manual PN 338 1.7538 -0.18 1.5
--.SLE.Z. 1985-06-08T07:55:23.60 10.0 undecidable manual PN 13 1.7649 -0.15 1.5
--.SAX.Z. 1985-06-08T07:55:22.50 10.0 undecidable manual PN 39 1.5762 1.43 0.6
--.BN9.Z. 1985-06-08T07:55:18.00 10.0 undecidable manual PN 220 1.2876 0.83 1.3
--.ZUL.Z. 1985-06-08T07:55:17.80 10.0 undecidable manual PN 14 1.4763 -1.93 0.3
--.BBS.Z. 1985-06-08T07:55:17.70 10.0 undecidable manual PN 350 1.4319 -1.46 0.6
--.LLS.Z. 1985-06-08T07:55:16.00 10.0 undecidable manual PN 44 1.1211 1.11 1
--.ORO.Z. 1985-06-08T07:55:08.50 10.0 undecidable manual SG 168 0.4218 -0.55 0.9
--.ORO.Z. 1985-06-08T07:55:02.00 10.0 positive manual PG 168 0.4218 -0.31 3.4
--.MMK.Z. 1985-06-08T07:54:57.20 10.0 undecidable manual SG 85 0.0666 0.03 0.7
--.MMK.Z. 1985-06-08T07:54:55.40 10.0 undecidable manual PG 85 0.0666 -0.06 1.8
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download