A magnitude M 2.2 earthquake occured in region: Confine Italia Svizzera (SVIZZERA), on
and geographic coordinates (lat, lon) 46.2590, 7.3240 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.
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 2.2 | 1990-04-26 01:09:03 |
46.259 | 7.324 | 5 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 115269 |
Field | Value |
---|---|
Time (UTC) | 1990-04-26 01:09:03 ± 0.329 |
Latitude | 46.2590 ± 0.0226 |
Longitude | 7.3240 ± 0.0315 |
Depth (km) | 5 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 115269 |
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) | 3492.3 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 104 |
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) | 0.6 |
Epicentral distance of station closest to the epicenter (degree) | 0.00162 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01676 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 2.2 |
Uncertainty | |
Num. used stations | |
Type of magnitude | M |
Reference to an origin | 115269 |
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. | 1990-04-26T01:10:01.60 | 10.0 | undecidable | manual | SN | 339 | 1.8648 | 1.84 | 0 | |
--.BSF.Z. | 1990-04-26T01:09:53.50 | 10.0 | undecidable | manual | SN | 347 | 1.6095 | -0.22 | 0.4 | |
--.HAU.Z. | 1990-04-26T01:09:37.10 | 10.0 | undecidable | manual | PN | 339 | 1.8648 | 1.11 | 0.4 | |
--.SLE.Z. | 1990-04-26T01:09:32.50 | 10.0 | undecidable | manual | PN | 27 | 1.6983 | -1.25 | 0.3 | |
--.BSF.Z. | 1990-04-26T01:09:31.80 | 10.0 | undecidable | manual | PN | 347 | 1.6095 | -0.7 | 0.8 | |
--.VDL.Z. | 1990-04-26T01:09:31.90 | 10.0 | undecidable | manual | PN | 80 | 1.4874 | 1 | 0.5 | |
--.LPL.Z. | 1990-04-26T01:09:20.60 | 10.0 | undecidable | manual | PG | 209 | 0.8436 | -0.3 | 1.2 | |
--.LPG.Z. | 1990-04-26T01:09:20.80 | 10.0 | undecidable | manual | PG | 207 | 0.8547 | -0.29 | 1.2 | |
--.MMK.Z. | 1990-04-26T01:09:13.60 | 10.0 | positive | manual | PG | 114 | 0.4884 | -0.65 | 1.9 | |
--.EMS.Z. | 1990-04-26T01:09:10.70 | 10.0 | positive | manual | PG | 235 | 0.3219 | -0.25 | 2.5 | |
--.DIX.Z. | 1990-04-26T01:09:08.60 | 10.0 | negative | manual | PG | 161 | 0.1776 | 0.78 | 1.6 |