A magnitude ML 1.7 earthquake occured in region: Confine Italia Svizzera (SVIZZERA), on
and geographic coordinates (lat, lon) 46.2010, 7.4370 at 12 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 |
ML 1.7 | 2021-04-22 20:42:56 |
46.2012 | 7.437 | 12 | 2021-07-12 16:55:10 |
Bollettino Sismico Italiano INGV | 90020671 |
Reviewed Rev100 |
ML 1.7 | 2021-04-22 20:42:56 |
46.1985 | 7.4472 | 11 | 2021-04-22 20:57:34 |
Sala Sismica INGV-Roma | 89372651 |
Field | Value |
---|---|
Time (UTC) | 2021-04-22 20:42:56 ± 0.11 |
Latitude | 46.2012 ± 0.0054 |
Longitude | 7.4370 ± 0.0078 |
Depth (km) | 12 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 90020671 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 667 |
Semi-minor axis of confidence ellipse (meter) | 193 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 315 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 670.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 112 |
Number of associated phases, regardless of their use for origin computation | 24 |
Number of defining phases | 22 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.28 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 1.68263 |
Number of stations at which the event was observed | 15 |
Number of stations from which data was used for origin computation | 13 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.3 |
Num. used stations | 16 |
Type of magnitude | ML |
Reference to an origin | 90020671 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-06-22 14:32:05 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.3 |
Num. used stations | 15 |
Type of magnitude | ML |
Reference to an origin | 89372651 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-04-22 20:57:34 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CPGN.EHZ. | 2021-04-22T20:44:12.52 | 3.0 | undecidable | manual | Pg | 12.92 | 0 | |||
ST.RONC.EHZ. | 2021-04-22T20:43:38.20 | 3.0 | undecidable | manual | Pg | 6.09 | 0 | |||
GU.RSP.HNN. | 2021-04-22T20:43:30.37 | 0.6 | undecidable | manual | S | 187 | 117.5934 | 90 | -0.12 | 40 |
RD.ORIF.BHZ. | 2021-04-22T20:43:26.74 | 0.6 | undecidable | manual | P | 221 | 186.7686 | 54 | 0.29 | 31 |
CH.GIMEL.HHZ. | 2021-04-22T20:43:25.11 | 0.6 | undecidable | manual | S | 293 | 96.9252 | 90 | 0.12 | 43 |
CH.FUSIO.HHZ. | 2021-04-22T20:43:24.95 | 0.6 | undecidable | manual | S | 73 | 98.0241 | 90 | -0.33 | 40 |
GU.BHB.HHZ. | 2021-04-22T20:43:22.34 | 0.6 | undecidable | manual | P | 185 | 152.1366 | 90 | 0.84 | 31 |
GU.TRAV.HHE. | 2021-04-22T20:43:20.54 | 0.6 | undecidable | manual | S | 163 | 80.0643 | 91 | 0.06 | 44 |
MN.BNI.HHZ. | 2021-04-22T20:43:20.67 | 0.3 | undecidable | manual | P | 205 | 140.4483 | 90 | 0.96 | 45 |
GU.CIRO.HHZ. | 2021-04-22T20:43:16.73 | 0.6 | undecidable | manual | S | 171 | 67.2771 | 91 | -0.33 | 42 |
GU.RSP.HNN. | 2021-04-22T20:43:16.70 | 0.3 | undecidable | manual | P | 187 | 117.5934 | 90 | 0.52 | 56 |
CH.BNALP.HHZ. | 2021-04-22T20:43:14.17 | 0.3 | undecidable | manual | P | 45 | 105.8163 | 90 | -0.2 | 60 |
GU.BLANC.HHZ. | 2021-04-22T20:43:13.36 | 0.6 | undecidable | manual | S | 225 | 55.4001 | 91 | -0.53 | 40 |
CH.FUSIO.HHZ. | 2021-04-22T20:43:13.15 | 0.3 | undecidable | manual | P | 73 | 98.0241 | 90 | -0.03 | 63 |
IV.MRGE.HHZ. | 2021-04-22T20:43:13.52 | 0.3 | undecidable | manual | S | 211 | 55.8996 | 91 | -0.51 | 60 |
CH.GIMEL.HHZ. | 2021-04-22T20:43:12.89 | 0.3 | undecidable | manual | P | 293 | 96.9252 | 90 | -0.12 | 62 |
GU.TRAV.HHE. | 2021-04-22T20:43:10.66 | 0.3 | undecidable | manual | P | 163 | 80.0643 | 91 | 0.25 | 64 |
CH.MMK.HHE. | 2021-04-22T20:43:10.39 | 0.6 | undecidable | manual | S | 112 | 43.8228 | 91 | -0.41 | 43 |
GU.CIRO.HHZ. | 2021-04-22T20:43:08.68 | 0.3 | undecidable | manual | P | 171 | 67.2771 | 91 | 0.25 | 66 |
IV.MRGE.HHZ. | 2021-04-22T20:43:06.44 | 0.1 | positive | manual | P | 211 | 55.8996 | 91 | -0.25 | 87 |
GU.BLANC.HHZ. | 2021-04-22T20:43:06.47 | 0.3 | undecidable | manual | P | 225 | 55.4001 | 91 | -0.13 | 67 |
CH.MMK.HHE. | 2021-04-22T20:43:04.68 | 0.3 | undecidable | manual | P | 112 | 43.8228 | 91 | -0.14 | 69 |
CH.DIX.HHZ. | 2021-04-22T20:43:02.75 | 0.3 | undecidable | manual | S | 189 | 13.5753 | 109 | -0.03 | 73 |
CH.DIX.HHZ. | 2021-04-22T20:43:00.26 | 0.1 | negative | manual | P | 189 | 13.5753 | 109 | 0.07 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
CH.DIX.HHE. | ML:2.9 | 0.00724 | 0.22 | AML | other | m | 2021-04-22T20:43:02.93 |
CH.DIX.HHN. | ML:2.3 | 0.0021200974999999998 | 0.0896 | AML | other | m | 2021-04-22T20:43:02.97 |
GU.BLANC.HHE. | ML:1.8 | 0.0001350714 | 0.2176 | AML | other | m | 2021-04-22T20:43:06.98 |
GU.BLANC.HHN. | ML:1.6 | 0.000101923105 | 0.128 | AML | other | m | 2021-04-22T20:43:13.95 |
IV.MRGE.HHE. | ML:2.3 | 0.00047950000000000005 | 1.72 | AML | other | m | 2021-04-22T20:43:14.11 |
IV.MRGE.HHN. | ML:1.9 | 0.00019649395 | 0.2176 | AML | other | m | 2021-04-22T20:43:15.03 |
GU.CIRO.HHE. | ML:1.4 | 0.000044957184999999996 | 0.1792 | AML | other | m | 2021-04-22T20:43:19.55 |
GU.CIRO.HHN. | ML:1.4 | 0.000042999999999999995 | 0.16 | AML | other | m | 2021-04-22T20:43:22.35 |
CH.FUSIO.HHN. | ML:1.5 | 0.00003610323 | 0.2176 | AML | other | m | 2021-04-22T20:43:25.49 |
CH.GIMEL.HHE. | ML:1.7 | 0.000050585610000000006 | 0.1792 | AML | other | m | 2021-04-22T20:43:29.73 |
CH.GIMEL.HHN. | ML:1.8 | 0.00006805 | 0.14 | AML | other | m | 2021-04-22T20:43:29.73 |
CH.BNALP.HHE. | ML:1.6 | 0.00003522309 | 0.2432 | AML | other | m | 2021-04-22T20:43:32.06 |
CH.BNALP.HHN. | ML:1.6 | 0.000042 | 0.72 | AML | other | m | 2021-04-22T20:43:32.80 |
CH.FUSIO.HHE. | ML:1.5 | 0.000027635325 | 0.2176 | AML | other | m | 2021-04-22T20:43:37.39 |
GU.BHB.HHN. | ML:1.6 | 0.000020468584999999998 | 0.3584 | AML | other | m | 2021-04-22T20:43:43.81 |
GU.BHB.HHE. | ML:1.6 | 0.0000218 | 0.56 | AML | other | m | 2021-04-22T20:43:45.33 |