A magnitude ML 1.6 earthquake occured in region: Confine Italia Svizzera (SVIZZERA), on
and geographic coordinates (lat, lon) 45.9860, 7.8800 at 11 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.
Municipality | Region | Distance (km) | Inhabitants | Cumulative Inhabitants |
---|---|---|---|---|
Macugnaga | VB | 7 | 557 | 557 |
Ceppo Morelli | VB | 15 | 321 | 878 |
Alagna Valsesia | VC | 15 | 408 | 1286 |
Carcoforo | VC | 16 | 78 | 1364 |
Rima San Giuseppe | VC | 17 | 59 | 1423 |
Riva Valdobbia | VC | 18 | 258 | 1681 |
Vanzone con San Carlo | VB | 18 | 407 | 2088 |
Gressoney-La-Trinité | AO | 18 | 303 | 2391 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.6 | 2018-12-24 08:41:20 |
45.9858 | 7.8795 | 11 | 2019-06-04 09:16:18 |
Bollettino Sismico Italiano INGV | 68792371 |
Reviewed Rev100 |
ML 1.6 | 2018-12-24 08:41:20 |
45.9857 | 7.8798 | 11 | 2018-12-24 08:48:21 |
Sala Sismica INGV-Roma | 64146321 |
Field | Value |
---|---|
Time (UTC) | 2018-12-24 08:41:20 ± 0.18 |
Latitude | 45.9858 ± 0.0099 |
Longitude | 7.8795 ± 0.0272 |
Depth (km) | 11 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 68792371 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 2064 |
Semi-minor axis of confidence ellipse (meter) | 1123 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 86 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 2060.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 142 |
Number of associated phases, regardless of their use for origin computation | 15 |
Number of defining phases | 15 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.41 |
Epicentral distance of station closest to the epicenter (degree) | 0.08723 |
Epicentral distance of station farthest from the epicenter (degree) | 1.25635 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.3 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 64146321 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2018-12-24 08:48:21 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.3 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 68792371 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2019-05-22 15:48:31 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
MN.BNI.HHZ. | 2018-12-24T08:41:44.97 | 0.1 | undecidable | manual | P | 222 | 139.4604 | 50 | 1.1 | 56 |
IV.MRGE.HHZ. | 2018-12-24T08:41:41.12 | 0.6 | undecidable | manual | S | 250 | 67.5768 | 50 | -0.36 | 43 |
GU.REMY.HHZ. | 2018-12-24T08:41:38.79 | 0.3 | undecidable | manual | S | 254 | 58.1973 | 50 | -0.18 | 69 |
GU.TRAV.HHZ. | 2018-12-24T08:41:36.77 | 0.6 | undecidable | manual | S | 191 | 53.502 | 50 | -0.94 | 36 |
GU.CIRO.HHZ. | 2018-12-24T08:41:35.95 | 0.6 | undecidable | manual | S | 210 | 48.9177 | 50 | -0.55 | 43 |
CH.DIX.HHZ. | 2018-12-24T08:41:32.99 | 0.3 | undecidable | manual | S | 286 | 37.7289 | 50 | -0.53 | 66 |
IV.MRGE.HHZ. | 2018-12-24T08:41:32.96 | 0.3 | undecidable | manual | P | 250 | 67.5768 | 50 | 0.17 | 68 |
GU.REMY.HHZ. | 2018-12-24T08:41:31.68 | 0.1 | undecidable | manual | P | 254 | 58.1973 | 50 | 0.34 | 88 |
GU.TRAV.HHZ. | 2018-12-24T08:41:30.71 | 0.1 | positive | manual | P | 191 | 53.502 | 50 | 0.09 | 94 |
GU.CIRO.HHZ. | 2018-12-24T08:41:29.98 | 0.1 | undecidable | manual | P | 210 | 48.9177 | 50 | 0.06 | 95 |
CH.DIX.HHZ. | 2018-12-24T08:41:28.42 | 0.1 | undecidable | manual | P | 286 | 37.7289 | 50 | 0.22 | 94 |
GU.SATI.HHZ. | 2018-12-24T08:41:26.22 | 0.6 | undecidable | manual | S | 184 | 12.2766 | 131 | -0.39 | 47 |
CH.MMK.HHZ. | 2018-12-24T08:41:25.38 | 0.3 | undecidable | manual | S | 42 | 9.6792 | 138 | -0.59 | 67 |
CH.MMK.HHZ. | 2018-12-24T08:41:24.00 | 0.1 | undecidable | manual | P | 42 | 9.6792 | 138 | 0.16 | 100 |
GU.SATI.HHZ. | 2018-12-24T08:41:24.45 | 0.1 | undecidable | manual | P | 184 | 12.2766 | 131 | 0.24 | 98 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
CH.DIX.HHE. | ML:2.0 | 0.00034050000000000004 | 0.64 | AML | other | m | 2018-12-24T08:41:33.20 |
CH.DIX.HHN. | ML:2.1 | 0.0004465 | 0.72 | AML | other | m | 2018-12-24T08:41:33.58 |
GU.CIRO.HHE. | ML:1.4 | 0.00006645 | 0.82 | AML | other | m | 2018-12-24T08:41:36.35 |
GU.CIRO.HHN. | ML:1.4 | 0.0000627 | 0.96 | AML | other | m | 2018-12-24T08:41:36.31 |
GU.TRAV.HHE. | ML:1.8 | 0.00014649999999999998 | 1.52 | AML | other | m | 2018-12-24T08:41:37.23 |
GU.TRAV.HHN. | ML:1.8 | 0.0001715 | 0.88 | AML | other | m | 2018-12-24T08:41:38.54 |
GU.REMY.HHN. | ML:1.7 | 0.00010515 | 0.52 | AML | other | m | 2018-12-24T08:41:39.72 |
GU.REMY.HHE. | ML:1.5 | 0.00006905 | 0.52 | AML | other | m | 2018-12-24T08:41:41.77 |
IV.MRGE.HHN. | ML:1.5 | 0.0000507 | 0.08 | AML | other | m | 2018-12-24T08:41:42.19 |
IV.MRGE.HHE. | ML:1.4 | 0.000041099999999999996 | 0.56 | AML | other | m | 2018-12-24T08:41:43.41 |