A magnitude ML 1.6 earthquake occured in region: 7 km SW Macugnaga (VB), on
and geographic coordinates (lat, lon) 45.9310, 7.9040 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.
Municipality | Region | Distance (km) | Inhabitants | Cumulative Inhabitants |
---|---|---|---|---|
Macugnaga | VB | 7 | 557 | 557 |
Alagna Valsesia | VC | 9 | 408 | 965 |
Riva Valdobbia | VC | 12 | 258 | 1223 |
Carcoforo | VC | 12 | 78 | 1301 |
Rima San Giuseppe | VC | 12 | 59 | 1360 |
Gressoney-La-Trinité | AO | 13 | 303 | 1663 |
Ceppo Morelli | VB | 14 | 321 | 1984 |
Rimasco | VC | 15 | 106 | 2090 |
Mollia | VC | 16 | 95 | 2185 |
Vanzone con San Carlo | VB | 17 | 407 | 2592 |
Campertogno | VC | 18 | 237 | 2829 |
Gressoney-Saint-Jean | AO | 18 | 807 | 3636 |
Bannio Anzino | VB | 20 | 475 | 4111 |
Boccioleto | VC | 20 | 205 | 4316 |
Rassa | VC | 20 | 71 | 4387 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.6 | 2021-04-02 13:47:32 |
45.9313 | 7.9038 | 10 | 2021-07-12 16:55:10 |
Bollettino Sismico Italiano INGV | 90018101 |
Reviewed Rev100 |
ML 1.6 | 2021-04-02 13:47:32 |
45.9257 | 7.906 | 10 | 2021-04-02 13:57:34 |
Sala Sismica INGV-Roma | 88710101 |
Field | Value |
---|---|
Time (UTC) | 2021-04-02 13:47:32 ± 0.19 |
Latitude | 45.9313 ± 0.0108 |
Longitude | 7.9038 ± 0.0129 |
Depth (km) | 10 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 90018101 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1056 |
Semi-minor axis of confidence ellipse (meter) | 1025 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 347 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1060.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 99 |
Number of associated phases, regardless of their use for origin computation | 28 |
Number of defining phases | 19 |
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) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 1.18441 |
Number of stations at which the event was observed | 19 |
Number of stations from which data was used for origin computation | 12 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.2 |
Num. used stations | 14 |
Type of magnitude | ML |
Reference to an origin | 88710101 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-04-02 13:57:34 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.2 |
Num. used stations | 17 |
Type of magnitude | ML |
Reference to an origin | 90018101 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-06-18 13:59:21 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.RIBO.EHZ.01 | 2021-04-02T13:49:28.94 | 3.0 | undecidable | manual | Sg | 12.97 | 0 | |||
TV.SF04.EHZ. | 2021-04-02T13:49:27.33 | 3.0 | undecidable | manual | Sn | 2.44 | 0 | |||
OT.OT13.EHZ. | 2021-04-02T13:49:25.07 | 3.0 | positive | manual | Pn | 6.49 | 0 | |||
IV.BRSN.EHZ. | 2021-04-02T13:49:07.59 | 3.0 | undecidable | manual | Sn | 0.48 | 0 | |||
IV.RNI2.HHZ. | 2021-04-02T13:49:04.73 | 3.0 | undecidable | manual | Pn | 0.31 | 0 | |||
IV.MF5.EHZ. | 2021-04-02T13:49:02.15 | 3.0 | undecidable | manual | Pg | 14.83 | 0 | |||
TV.SF04.EHZ. | 2021-04-02T13:48:46.28 | 3.0 | undecidable | manual | Pg | 10.5 | 0 | |||
IV.RIBO.EHZ.01 | 2021-04-02T13:48:40.98 | 3.0 | negative | manual | Pg | 10.21 | 0 | |||
IV.FIU.EHZ. | 2021-04-02T13:48:25.79 | 3.0 | negative | manual | Pg | 7.47 | 0 | |||
CH.FUSIO.HHZ. | 2021-04-02T13:47:57.05 | 0.6 | undecidable | manual | S | 45 | 82.251 | 50 | -0.19 | 43 |
GU.BHB.HHZ. | 2021-04-02T13:47:53.77 | 0.6 | undecidable | manual | P | 203 | 131.4684 | 50 | -0.64 | 35 |
CH.BNALP.HHE. | 2021-04-02T13:47:52.09 | 0.6 | undecidable | manual | P | 21 | 111.4995 | 50 | 0.74 | 35 |
IV.VARE.HHZ. | 2021-04-02T13:47:52.22 | 0.6 | undecidable | manual | S | 96 | 67.2771 | 50 | -1 | 34 |
IV.MRGE.HHZ. | 2021-04-02T13:47:52.50 | 0.6 | undecidable | manual | S | 255 | 67.5768 | 50 | -0.8 | 37 |
GU.RSP.HHE. | 2021-04-02T13:47:49.96 | 0.6 | undecidable | manual | P | 210 | 100.0221 | 50 | 0.38 | 40 |
GU.TRAV.HHE. | 2021-04-02T13:47:47.62 | 0.6 | undecidable | manual | S | 195 | 48.1185 | 50 | -0.49 | 43 |
CH.MUGIO.HHZ. | 2021-04-02T13:47:47.95 | 0.6 | undecidable | manual | P | 90 | 87.8454 | 50 | 0.26 | 42 |
CH.FUSIO.HHZ. | 2021-04-02T13:47:47.28 | 0.1 | negative | manual | P | 45 | 82.251 | 50 | 0.44 | 82 |
GU.CIRO.HHZ. | 2021-04-02T13:47:46.61 | 0.6 | undecidable | manual | S | 216 | 44.8218 | 50 | -0.63 | 41 |
GU.BLANC.HHZ. | 2021-04-02T13:47:46.56 | 0.6 | undecidable | manual | P | 263 | 75.4689 | 50 | 0.76 | 37 |
CH.DIX.HHZ. | 2021-04-02T13:47:45.64 | 0.6 | undecidable | manual | S | 294 | 41.625 | 50 | -0.73 | 40 |
IV.MRGE.HHZ. | 2021-04-02T13:47:45.23 | 0.3 | undecidable | manual | P | 255 | 67.5768 | 50 | 0.66 | 59 |
IV.VARE.HHZ. | 2021-04-02T13:47:44.63 | 0.3 | undecidable | manual | P | 96 | 67.2771 | 50 | 0.11 | 68 |
GU.TRAV.HHE. | 2021-04-02T13:47:41.78 | 0.1 | undecidable | manual | P | 195 | 48.1185 | 50 | 0.21 | 92 |
GU.CIRO.HHZ. | 2021-04-02T13:47:41.27 | 0.1 | positive | manual | P | 216 | 44.8218 | 50 | 0.2 | 93 |
CH.DIX.HHZ. | 2021-04-02T13:47:40.68 | 0.1 | negative | manual | P | 294 | 41.625 | 50 | 0.11 | 95 |
CH.MMK.HHE. | 2021-04-02T13:47:37.86 | 0.3 | undecidable | manual | S | 19 | 13.9749 | 126 | -0.81 | 61 |
CH.MMK.HHE. | 2021-04-02T13:47:36.23 | 0.1 | undecidable | manual | P | 19 | 13.9749 | 126 | 0.11 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
CH.DIX.HHE. | ML:1.7 | 0.00017820964449999997 | 0.0896 | AML | other | m | 2021-04-02T13:47:46.11 |
CH.DIX.HHN. | ML:1.9 | 0.0002531694 | 0.0704 | AML | other | m | 2021-04-02T13:47:46.29 |
GU.CIRO.HHE. | ML:1.5 | 0.00008800670499999999 | 0.16 | AML | other | m | 2021-04-02T13:47:46.94 |
GU.CIRO.HHN. | ML:1.7 | 0.00016499999999999997 | 0.32 | AML | other | m | 2021-04-02T13:47:47.15 |
IV.VARE.HHE. | ML:1.5 | 0.000055337004999999996 | 0.1152 | AML | other | m | 2021-04-02T13:47:53.15 |
IV.VARE.HHN. | ML:1.5 | 0.000059300195 | 0.1024 | AML | other | m | 2021-04-02T13:47:53.60 |
IV.MRGE.HHE. | ML:1.5 | 0.00005287792 | 0.0832 | AML | other | m | 2021-04-02T13:47:54.38 |
IV.MRGE.HHN. | ML:1.7 | 0.00008033669 | 0.064 | AML | other | m | 2021-04-02T13:47:54.58 |
CH.FUSIO.HHE. | ML:1.6 | 0.00005591392 | 0.16 | AML | other | m | 2021-04-02T13:47:58.92 |
CH.MUGIO.HHN. | ML:1.5 | 0.00003367143 | 0.0832 | AML | other | m | 2021-04-02T13:47:59.09 |
CH.FUSIO.HHN. | ML:1.6 | 0.000048292915 | 0.2304 | AML | other | m | 2021-04-02T13:47:59.95 |
CH.MUGIO.HHE. | ML:1.3 | 0.00002503389 | 0.192 | AML | other | m | 2021-04-02T13:48:02.10 |
IV.MONC.HHE. | ML:1.8 | 0.00006678601000000001 | 0.2816 | AML | other | m | 2021-04-02T13:48:07.89 |
GU.BHB.HHE. | ML:1.2 | 0.0000115854115 | 0.32 | AML | other | m | 2021-04-02T13:48:12.74 |
MN.BNI.HNN. | ML:1.7 | 0.000029585865 | 0.6784 | AML | other | m | 2021-04-02T13:48:13.37 |
GU.BHB.HHN. | ML:1.2 | 0.0000112541115 | 0.16 | AML | other | m | 2021-04-02T13:48:14.69 |
MN.BNI.HNE. | ML:1.8 | 0.000037974135 | 1.3408 | AML | other | m | 2021-04-02T13:48:15.89 |