A magnitude M 2.5 earthquake occured in region: Svizzera (SVIZZERA), on
and geographic coordinates (lat, lon) 47.0730, 9.1880 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.
No Italian municipalities within 20 km distance.
No Italian municipalities within 100 km from the epicenter with at least 50000 inhabitants.
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
M 2.5 | 1991-04-28 05:17:06 |
47.073 | 9.188 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 140259 |
Field | Value |
---|---|
Time (UTC) | 1991-04-28 05:17:06 ± 0.175 |
Latitude | 47.0730 ± 0.0176 |
Longitude | 9.1880 ± 0.0296 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 140259 |
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) | 2972.3 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 154 |
Number of associated phases, regardless of their use for origin computation | 11 |
Number of defining phases | 11 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.3 |
Epicentral distance of station closest to the epicenter (degree) | 0.00227 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01910 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 11 |
Field | Value |
---|---|
Value | 2.5 |
Uncertainty | |
Num. used stations | |
Type of magnitude | M |
Reference to an origin | 140259 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2015-04-28 09:42:56 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.HAU.Z. | 1991-04-28T05:17:42.50 | 10.0 | undecidable | manual | PN | 296 | 2.1201 | 0.34 | 0.6 | |
--.CDF.Z. | 1991-04-28T05:17:38.70 | 10.0 | undecidable | manual | PN | 316 | 1.8537 | 0.32 | 0.6 | |
--.BSF.Z. | 1991-04-28T05:17:37.40 | 10.0 | undecidable | manual | PN | 295 | 1.776 | -0.05 | 0.7 | |
--.DIX.Z. | 1991-04-28T05:17:35.70 | 10.0 | undecidable | manual | PN | 231 | 1.5651 | 1.2 | 0.2 | |
--.MMK.Z. | 1991-04-28T05:17:31.30 | 10.0 | undecidable | manual | PN | 219 | 1.3098 | 0.24 | 0.8 | |
--.FEL.Z. | 1991-04-28T05:17:28.44 | 10.0 | undecidable | manual | PN | 315 | 1.1211 | 0.06 | 0.9 | |
--.SLE.Z. | 1991-04-28T05:17:23.30 | 10.0 | undecidable | manual | PG | 325 | 0.8325 | -0.18 | 1.8 | |
--.OSS.Z. | 1991-04-28T05:17:22.10 | 10.0 | undecidable | manual | PG | 120 | 0.7548 | 0.08 | 1.8 | |
--.ZLA.Z. | 1991-04-28T05:17:20.20 | 10.0 | undecidable | manual | PG | 306 | 0.6882 | -0.51 | 1.3 | |
--.VDL.Z. | 1991-04-28T05:17:19.30 | 10.0 | undecidable | manual | PG | 161 | 0.6105 | -0.1 | 1.8 | |
--.LLS.Z. | 1991-04-28T05:17:11.70 | 10.0 | undecidable | manual | PG | 208 | 0.2553 | -0.98 | 0.4 |