A magnitude ML 0.5 earthquake occured in region: Confine Italia Svizzera (SVIZZERA), on
and geographic coordinates (lat, lon) 46.6700, 10.2280 at 11 km depth.
The earthquake was located by: Sala Sismica INGV-Roma.
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.
Municipality | Region | Distance (km) | Inhabitants | Cumulative Inhabitants |
---|---|---|---|---|
Livigno | SO | 16 | 6389 | 6389 |
Tubre | BZ | 18 | 977 | 7366 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.5 | 2021-02-18 18:38:39 |
46.6698 | 10.228 | 11 | 2021-02-18 18:46:23 |
Sala Sismica INGV-Roma | 87283511 |
Field | Value |
---|---|
Time (UTC) | 2021-02-18 18:38:39 ± 0.21 |
Latitude | 46.6698 ± 0.0144 |
Longitude | 10.2280 ± 0.0131 |
Depth (km) | 11 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 87283511 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1301 |
Semi-minor axis of confidence ellipse (meter) | 1097 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 32 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1300.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 168 |
Number of associated phases, regardless of their use for origin computation | 13 |
Number of defining phases | 9 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.29 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.29228 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 0.5 |
Uncertainty | 0.4 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 87283511 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-02-18 18:46:23 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MTMR.EHZ. | 2021-02-18T18:40:15.04 | 3.0 | negative | manual | Pn | 2.67 | 0 | |||
IV.CPGN.EHZ. | 2021-02-18T18:40:15.37 | 3.0 | undecidable | manual | Sg | 9.33 | 0 | |||
IV.VVLD.HHZ. | 2021-02-18T18:39:52.87 | 3.0 | negative | manual | Pn | -1.7 | 0 | |||
MN.TRI.HHZ. | 2021-02-18T18:39:21.43 | 3.0 | positive | manual | Pg | 8.25 | 0 | |||
CH.BERNI.HHZ. | 2021-02-18T18:38:50.68 | 0.6 | undecidable | manual | S | 209 | 32.4453 | 50 | -0.43 | 46 |
CH.DAVOX.HHZ. | 2021-02-18T18:38:49.93 | 0.6 | undecidable | manual | S | 295 | 29.2485 | 50 | -0.32 | 47 |
SI.MOSI.HHE. | 2021-02-18T18:38:48.97 | 0.6 | undecidable | manual | S | 103 | 25.1526 | 50 | -0.21 | 49 |
CH.BERNI.HHZ. | 2021-02-18T18:38:47.00 | 0.6 | positive | manual | P | 209 | 32.4453 | 50 | 0.62 | 42 |
CH.DAVOX.HHZ. | 2021-02-18T18:38:46.04 | 1.0 | negative | manual | P | 295 | 29.2485 | 50 | 0.16 | 24 |
SI.MOSI.HHE. | 2021-02-18T18:38:45.01 | 1.0 | undecidable | manual | P | 103 | 25.1526 | 50 | -0.26 | 24 |
IV.BRMO.HHZ. | 2021-02-18T18:38:45.15 | 1.0 | undecidable | manual | P | 153 | 24.1536 | 50 | 0.05 | 25 |
CH.FUORN.HHZ. | 2021-02-18T18:38:43.91 | 0.6 | undecidable | manual | S | 154 | 6.0939 | 150 | -0.31 | 48 |
CH.FUORN.HHZ. | 2021-02-18T18:38:42.63 | 0.1 | negative | manual | P | 154 | 6.0939 | 150 | 0.23 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
CH.FUORN.HHE. | ML:0.2 | 0.0000227822 | 4.7488 | AML | other | m | 2021-02-18T18:38:52.97 |
CH.FUORN.HHN. | ML:0.2 | 0.000026795164999999995 | 4.9664 | AML | other | m | 2021-02-18T18:38:44.40 |
IV.BRMO.HHE. | ML:0.5 | 0.000017635409999999998 | 5.4144 | AML | other | m | 2021-02-18T18:38:55.28 |
IV.BRMO.HHN. | ML:0.2 | 0.00001051325 | 3.7632 | AML | other | m | 2021-02-18T18:39:11.38 |
CH.DAVOX.HHE. | ML:1.3 | 0.00009255589 | 4.352 | AML | other | m | 2021-02-18T18:38:46.55 |
CH.DAVOX.HHN. | ML:1.3 | 0.00010088224 | 3.1488 | AML | other | m | 2021-02-18T18:39:07.45 |
CH.BERNI.HHE. | ML:0.5 | 0.00001488448 | 3.4432 | AML | other | m | 2021-02-18T18:38:55.35 |
CH.BERNI.HHN. | ML:0.7 | 0.000020983655 | 4.224 | AML | other | m | 2021-02-18T18:38:58.24 |