Earthquake with magnitude of Md 3.1 on date 25-09-1990 and time 05:19:01 (UTC) in region Confine Italia Svizzera (SVIZZERA)

A magnitude Md 3.1 earthquake occured in region: Confine Italia Svizzera (SVIZZERA), on

  • 25-09-1990 05:19:01 (UTC)
  • 25-09-1990 07:19:01 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.14, 7.68 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
95 Km W 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 3.1
M 3.3
1990-09-25
05:19:01
46.14 7.68 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 127759
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-09-25 05:19:01 ± 0.116
Latitude 46.14 ± 0.01
Longitude 7.68 ± 0.01
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 127759

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) 1633
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 43
Number of associated phases, regardless of their use for origin computation 55
Number of defining phases 55
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) 0.0017
Epicentral distance of station farthest from the epicenter (degree) 0.05585
Number of stations at which the event was observed 51
Number of stations from which data was used for origin computation 51
Magnitudes information

Md:3.1

Field Value
Value 3.1
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 127759
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:58:48

M:3.3

Field Value
Value 3.3
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 127759
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
--.GRR.Z. 1990-09-25T05:20:33.60 10.0 undecidable manual PN 294 0.0559 0.08 0.8
--.FLN.Z. 1990-09-25T05:20:32.50 10.0 undecidable manual PN 298 0.0549 0.41 0.7
--.BGF.Z. 1990-09-25T05:20:32.00 10.0 undecidable manual SN 278 0.0302 -1.19 0.2
--.MFF.Z. 1990-09-25T05:20:23.30 10.0 undecidable manual PN 277 0.0486 0.68 0.6
--.LFF.Z. 1990-09-25T05:20:18.00 10.0 undecidable manual PN 258 0.045 0.98 0.4
--.LPO.Z. 1990-09-25T05:20:14.80 10.0 undecidable manual PN 254 0.043 0.87 0.5
--.DOU.Z. 1990-09-25T05:20:10.50 10.0 positive manual PN 333 0.0401 1.02 0.9
--.RJF.Z. 1990-09-25T05:20:09.20 10.0 undecidable manual PN 261 0.0393 0.78 0.6
--.LSF.Z. 1990-09-25T05:20:07.20 10.0 undecidable manual PN 273 0.0383 0.49 0.8
--.CAF.Z. 1990-09-25T05:20:05.40 10.0 undecidable manual PN 254 0.037 0.63 0.8
--.TCF.Z. 1990-09-25T05:20:00.60 10.0 undecidable manual PN 274 0.034 0.35 1
--.PGF.Z. 1990-09-25T05:19:59.80 10.0 undecidable manual PN 164 0.0334 0.55 0.9
--.MAF.Z. 1990-09-25T05:19:57.20 10.0 undecidable manual PN 272 0.0318 0.32 1.1
--.GRC.Z. 1990-09-25T05:19:55.33 10.0 undecidable manual PN 291 0.0302 0.9 0.6
--.BGF.Z. 1990-09-25T05:19:54.80 10.0 undecidable manual PN 278 0.0302 0.38 1.1
--.AVF.Z. 1990-09-25T05:19:50.40 10.0 undecidable manual PN 283 0.0274 0.25 1.2
--.SSF.Z. 1990-09-25T05:19:49.80 10.0 undecidable manual PN 289 0.027 0.18 1.2
--.LRG.Z. 1990-09-25T05:19:48.80 10.0 undecidable manual PN 199 0.0256 1.48 0.2
--.LOR.Z. 1990-09-25T05:19:47.70 10.0 undecidable manual PN 294 0.0256 0.27 1.2
--.SMF.Z. 1990-09-25T05:19:45.20 10.0 undecidable manual PN 281 0.0242 -0.07 1.3
--.BNI.Z. 1990-09-25T05:19:45.00 10.0 undecidable manual SN 212 0.0116 0.95 0.3
--.LBF.Z. 1990-09-25T05:19:45.00 10.0 undecidable manual PN 289 0.0241 -0.09 1.3
--.IMI.Z. 1990-09-25T05:19:40.36 10.0 undecidable manual PN 175 0.0201 1.4 0.3
--.SBF.Z. 1990-09-25T05:19:40.50 10.0 undecidable manual PN 184 0.0205 0.87 0.8
--.CDF.Z. 1990-09-25T05:19:39.80 10.0 undecidable manual PN 353 0.0206 -0.61 1.1
--.WLS.Z. 1990-09-25T05:19:38.73 10.0 undecidable manual PN 354 0.0205 -0.89 0.8
--.HAU.Z. 1990-09-25T05:19:36.30 10.0 undecidable manual PN 334 0.0186 -0.45 1.2
--.FIN.Z. 1990-09-25T05:19:36.59 10.0 undecidable manual PN 168 0.0176 1.29 0.4
--.ECH.Z. 1990-09-25T05:19:36.56 10.0 undecidable manual PN 350 0.0189 -0.62 1.1
--.ROB.Z. 1990-09-25T05:19:34.53 10.0 undecidable manual PN 175 0.0165 0.95 0.7
--.ENR.Z. 1990-09-25T05:19:34.24 10.0 undecidable manual PN 185 0.0172 -0.43 1.2
--.STV.Z. 1990-09-25T05:19:33.91 10.0 undecidable manual PN 187 0.0171 -0.52 1.2
--.PCP.Z. 1990-09-25T05:19:33.26 10.0 undecidable manual PN 158 0.0154 1.49 0.3
--.BSF.Z. 1990-09-25T05:19:31.94 10.0 undecidable manual PN 340 0.0161 -1.01 0.7
--.SLE.Z. 1990-09-25T05:19:31.40 10.0 negative manual PN 18 0.0154 -0.47 2.4
--.MOF.Z. 1990-09-25T05:19:31.93 10.0 undecidable manual PN 347 0.0157 -0.4 1.3
--.VAI.Z. 1990-09-25T05:19:30.00 10.0 undecidable manual SG 109 0.0072 -0.18 0.6
--.PZZ.Z. 1990-09-25T05:19:30.77 10.0 undecidable manual PN 193 0.0151 -0.65 1
--.ZLA.Z. 1990-09-25T05:19:28.40 10.0 positive manual PN 19 0.0128 0.59 2.2
--.BNI.Z. 1990-09-25T05:19:26.50 10.0 undecidable manual PN 212 0.0116 0.45 1.2
--.RRL.Z. 1990-09-25T05:19:26.89 10.0 undecidable manual PN 207 0.0123 -0.23 1.4
--.VDL.Z. 1990-09-25T05:19:25.80 10.0 positive manual PN 73 0.0115 -0.11 2.8
--.LLS.Z. 1990-09-25T05:19:23.30 10.0 positive manual PN 51 0.0104 -0.88 1.6
--.ORO.Z. 1990-09-25T05:19:21.00 10.0 undecidable manual SG 157 0.0049 -1.11 0.3
--.RSP.Z. 1990-09-25T05:19:20.65 10.0 undecidable manual PG 196 0.0092 -1.58 0.2
--.VAI.Z. 1990-09-25T05:19:19.00 10.0 undecidable manual PG 109 0.0072 0.96 0.7
--.LPG.Z. 1990-09-25T05:19:18.40 10.0 undecidable manual PG 225 0.0082 -1.61 0.2
--.LPL.Z. 1990-09-25T05:19:18.40 10.0 undecidable manual PG 226 0.0081 -1.54 0.2
--.TMA.Z. 1990-09-25T05:19:17.80 10.0 negative manual PG 91 0.0074 -0.64 2.1
--.LSD.Z. 1990-09-25T05:19:15.91 10.0 undecidable manual PG 208 0.007 -1.55 0.2
--.ORO.Z. 1990-09-25T05:19:13.00 10.0 positive manual PG 157 0.0049 -0.38 2.6
--.ORX.Z. 1990-09-25T05:19:12.81 10.0 undecidable manual PG 157 0.0049 -0.48 1.2
--.EMS.Z. 1990-09-25T05:19:11.30 10.0 undecidable manual PG 262 0.0047 -1.52 0.2
--.MMK.Z. 1990-09-25T05:19:06.80 10.0 negative manual PG 113 0.0019 0.42 2.5
--.DIX.Z. 1990-09-25T05:19:05.40 10.0 positive manual PG 252 0.0017 -0.53 2.3
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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