Earthquake with magnitude of M 2.5 on date 29-08-1994 and time 04:04:56 (Italy) in region Svizzera (SVIZZERA)

A magnitude M 2.5 earthquake occured in region: Svizzera (SVIZZERA), on

  • 29-08-1994 02:04:56 (UTC)
  • 29-08-1994 04:04:56 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.8430, 8.8160 at 9 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
M 2.5 1994-08-29
02:04:56
46.843 8.816 9 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 215489
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1994-08-29 02:04:56 ± 0.428
Latitude 46.8430 ± 0.0175
Longitude 8.8160 ± 0.0339
Depth (km) 9 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 215489

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) 3230.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 100
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00113
Epicentral distance of station farthest from the epicenter (degree) 0.01368
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

M:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 215489
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 09:19:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.MOF.Z. 1994-08-29T02:05:44.23 10.0 undecidable manual SN 312 1.5207 1.28 0.1
--.FEL.Z. 1994-08-29T02:05:33.74 10.0 undecidable manual SN 332 1.1544 -0.73 0.2
--.BBS.Z. 1994-08-29T02:05:31.44 10.0 undecidable manual SN 305 1.0767 -1.11 0.1
--.MOF.Z. 1994-08-29T02:05:24.33 10.0 undecidable manual PN 312 1.5207 1.19 0.2
--.DIX.Z. 1994-08-29T02:05:19.19 10.0 undecidable manual PN 232 1.221 0.02 1.4
--.FEL.Z. 1994-08-29T02:05:18.86 10.0 undecidable manual PN 332 1.1544 0.62 1
--.BBS.Z. 1994-08-29T02:05:17.18 10.0 undecidable manual PN 305 1.0767 0.05 1.5
--.SLE.Z. 1994-08-29T02:05:14.00 10.0 undecidable manual PG 346 0.9435 -0.84 0.5
--.MMK.Z. 1994-08-29T02:05:14.60 10.0 undecidable manual PG 216 0.9768 -0.92 0.6
--.OSS.Z. 1994-08-29T02:05:14.19 10.0 undecidable manual PG 99 0.9213 -0.18 1.4
--.TMA.Z. 1994-08-29T02:05:11.10 10.0 positive manual PG 177 0.7326 0.15 2.9
--.VDL.Z. 1994-08-29T02:05:07.90 10.0 undecidable manual PG 128 0.5661 0 1.5
--.LLS.Z. 1994-08-29T02:04:59.60 10.0 undecidable manual PG 87 0.1221 0.06 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