Earthquake with magnitude of Md 2.4 on date 29-05-1985 and time 23:25:27 (Italy) in region Svizzera (SVIZZERA)

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

  • 29-05-1985 21:25:27 (UTC)
  • 29-05-1985 23:25:27 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.3160, 7.2630 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

No Italian municipalities within 20 km distance.

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 1985-05-29
21:25:27
46.316 7.263 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 7529
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-05-29 21:25:27 ± 0.363
Latitude 46.3160 ± 0.0224
Longitude 7.2630 ± 0.0786
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 7529

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) 6533.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 153
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) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00761
Epicentral distance of station farthest from the epicenter (degree) 0.02113
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:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 7529
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:11:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.HAU.Z. 1985-05-29T21:26:21.20 10.0 undecidable manual SN 340 1.7982 0.41 0.6
--.BSF.Z. 1985-05-29T21:26:15.40 10.0 undecidable manual SN 348 1.5429 0.56 0.6
--.LBF.Z. 1985-05-29T21:26:06.40 10.0 undecidable manual PN 288 2.3421 0.55 1.2
--.HAU.Z. 1985-05-29T21:25:56.40 10.0 undecidable manual PN 340 1.7982 -1.88 0.2
--.BSF.Z. 1985-05-29T21:25:55.50 10.0 undecidable manual PN 348 1.5429 0.66 1.3
--.ROF.Z. 1985-05-29T21:25:52.60 10.0 undecidable manual PN 350 1.3875 -0.01 1.8
--.BN9.Z. 1985-05-29T21:25:51.50 10.0 undecidable manual PN 198 1.3209 -0.3 1.7
--.ORO.Z. 1985-05-29T21:25:45.00 10.0 undecidable manual PG? 144 0.8436 0.63 0.6
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