Earthquake with magnitude of Md 2.5 on date 28-03-1992 and time 22:31:09 (Italy) in region Confine Italia Svizzera (SVIZZERA)

A magnitude Md 2.5 earthquake occured in region: Confine Italia Svizzera (SVIZZERA), on

  • 28-03-1992 21:31:09 (UTC)
  • 28-03-1992 22:31:09 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.6820, 9.3620 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

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
99 Km N 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 2.5 1992-03-28
21:31:09
46.682 9.362 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 161449
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1992-03-28 21:31:09 ± 0.306
Latitude 46.6820 ± 0.0174
Longitude 9.3620 ± 0.0419
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 161449

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) 3740.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 118
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) 0.6
Epicentral distance of station closest to the epicenter (degree) 0.00186
Epicentral distance of station farthest from the epicenter (degree) 0.02186
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitude information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 161449
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:30:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.BSF.Z. 1992-03-28T21:32:10.00 10.0 undecidable manual SN 304 2.0868 -1.15 0.2
--.HAU.Z. 1992-03-28T21:31:50.40 10.0 undecidable manual PN 304 2.4309 0.51 1.2
--.LPL.Z. 1992-03-28T21:31:48.80 10.0 undecidable manual PN! 238 2.1534 2.61 0
--.LPG.Z. 1992-03-28T21:31:47.70 10.0 undecidable manual PN 237 2.1534 1.52 0.3
--.BSF.Z. 1992-03-28T21:31:46.30 10.0 undecidable manual PN 304 2.0868 1.13 0.6
--.CDF.Z. 1992-03-28T21:31:46.90 10.0 undecidable manual PN 321 2.22 -0.2 1.4
--.FUR.Z. 1992-03-28T21:31:44.20 10.0 undecidable manual PN 40 1.9536 0.69 1.1
--.VAI.Z. 1992-03-28T21:31:43.00 10.0 undecidable manual SG 206 0.9102 1.22 0.2
--.FEL.Z. 1992-03-28T21:31:36.70 10.0 undecidable manual PN 323 1.4874 -0.41 1.6
--.MMK.Z. 1992-03-28T21:31:32.00 10.0 undecidable manual PN 237 1.1544 -0.3 1.8
--.SLE.Z. 1992-03-28T21:31:32.70 10.0 undecidable manual PN 331 1.2321 -0.73 1.2
--.VAI.Z. 1992-03-28T21:31:27.00 10.0 undecidable manual PG 206 0.9102 -1.2 0.6
--.TMA.Z. 1992-03-28T21:31:23.20 10.0 undecidable manual PG 210 0.666 -0.47 1.6
--.LLS.Z. 1992-03-28T21:31:15.80 10.0 undecidable manual PG 304 0.2886 -0.48 1.6
--.VDL.Z. 1992-03-28T21:31:13.90 10.0 undecidable manual PG 159 0.2109 -0.52 1.5
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