Earthquake with magnitude of M 3.0 on date 08-01-1987 and time 20:24:20 (Italy) in region Svizzera (SVIZZERA)

A magnitude M 3.0 earthquake occured in region: Svizzera (SVIZZERA), on

  • 08-01-1987 19:24:20 (UTC)
  • 08-01-1987 20:24:20 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 47.32, 7.67 at 6 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
Rev 1000 M 3.0 1987-01-08
19:24:20
47.32 7.67 6 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 39089
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1987-01-08 19:24:20 ± 0.502
Latitude 47.32 ± 0.02
Longitude 7.67 ± 0.03
Depth (km) 6 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 39089

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) 2761.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 105
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.8
Epicentral distance of station closest to the epicenter (degree) 0.00154
Epicentral distance of station farthest from the epicenter (degree) 0.02129
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 18
Magnitude information

M:3

Field Value
Value 3
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 39089
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 09:42:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.VAI.E. 1987-01-08T19:25:12.70 10.0 undecidable manual SN 151 0.0147 1.38 0.2
--.TMA.Z. 1987-01-08T19:25:07.10 10.0 undecidable manual SN 145 0.0132 -0.17 0.6
--.MMK.Z. 1987-01-08T19:25:01.00 10.0 undecidable manual SN 170 0.0115 -1.89 0.1
--.BNI.Z. 1987-01-08T19:25:00.40 10.0 undecidable manual PN 197 0.0213 0.46 1.1
--.CDF.Z. 1987-01-08T19:24:58.70 10.0 undecidable manual SN 346 0.01 -0.36 0.7
--.LPG.Z. 1987-01-08T19:24:55.50 10.0 undecidable manual PN 199 0.0173 1.6 0.4
--.LPL.Z. 1987-01-08T19:24:55.10 10.0 undecidable manual PN 199 0.0172 1.38 0.6
--.VAI.Z. 1987-01-08T19:24:51.20 10.0 negative manual PN 151 0.0147 1.26 1.4
--.ORO.Z. 1987-01-08T19:24:51.80 10.0 undecidable manual PN 172 0.0153 0.94 1
--.TMA.Z. 1987-01-08T19:24:47.90 10.0 undecidable manual PN 145 0.0132 0.3 1.6
--.MUO.Z. 1987-01-08T19:24:46.30 10.0 undecidable manual SG 115 0.0068 -1.51 0.2
--.SLE.Z. 1987-01-08T19:24:46.80 10.0 undecidable manual SG 50 0.0064 0.41 0.7
--.EMS.Z. 1987-01-08T19:24:44.40 10.0 undecidable manual PN 202 0.0121 -1.54 0.5
--.MMK.Z. 1987-01-08T19:24:43.80 10.0 undecidable manual PN 170 0.0115 -1.27 0.8
--.CDF.Z. 1987-01-08T19:24:43.30 10.0 undecidable manual PN 346 0.01 0.44 1.7
--.SAX.Z. 1987-01-08T19:24:43.40 10.0 undecidable manual PN 92 0.0102 0.3 1.7
--.DIX.Z. 1987-01-08T19:24:42.90 10.0 undecidable manual PN 188 0.0113 -1.72 0.4
--.HAU.Z. 1987-01-08T19:24:42.30 10.0 undecidable manual PN 308 0.01 -0.54 1.6
--.ZLA.Z. 1987-01-08T19:24:40.40 10.0 undecidable manual SG 70 0.0045 0.75 0.6
--.LLS.Z. 1987-01-08T19:24:40.60 10.0 undecidable manual PG 116 0.0092 -0.75 1.4
--.BSF.Z. 1987-01-08T19:24:35.90 10.0 undecidable manual PG 311 0.007 -0.87 1.3
--.MUO.Z. 1987-01-08T19:24:35.30 10.0 undecidable manual PG 115 0.0068 -1.06 1.1
--.SLE.Z. 1987-01-08T19:24:35.60 10.0 undecidable manual PG 50 0.0064 0.05 1.8
--.ZLA.Z. 1987-01-08T19:24:31.70 10.0 undecidable manual PG 70 0.0045 0.05 1.8
--.BBS.Z. 1987-01-08T19:24:25.20 10.0 undecidable manual PG 323 0.0015 0.33 1.7
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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