A magnitude ML 1.7 earthquake occured in region: 7 km SW Macugnaga (VB), on
and geographic coordinates (lat, lon) 45.9300, 7.8990 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 |
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 |
Gressoney-Saint-Jean | AO | 18 | 807 | 3399 |
Campertogno | VC | 18 | 237 | 3636 |
Rassa | VC | 20 | 71 | 3707 |
Boccioleto | VC | 20 | 205 | 3912 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.7 | 2021-08-01 05:37:57 |
45.9295 | 7.8987 | 11 | 2021-12-29 11:12:33 |
Bollettino Sismico Italiano INGV | 95864061 |
Reviewed Rev100 |
ML 1.7 | 2021-08-01 05:37:57 |
45.9288 | 7.8833 | 9 | 2021-08-01 05:45:00 |
Sala Sismica INGV-Roma | 93477751 |
Field | Value |
---|---|
Time (UTC) | 2021-08-01 05:37:57 ± 0.21 |
Latitude | 45.9295 ± 0.0108 |
Longitude | 7.8987 ± 0.0129 |
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 | 95864061 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1070 |
Semi-minor axis of confidence ellipse (meter) | 1015 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 345 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1070.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 83 |
Number of associated phases, regardless of their use for origin computation | 36 |
Number of defining phases | 23 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.47 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 1.60889 |
Number of stations at which the event was observed | 29 |
Number of stations from which data was used for origin computation | 16 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.3 |
Num. used stations | 20 |
Type of magnitude | ML |
Reference to an origin | 95864061 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-11-10 15:37:24 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.3 |
Num. used stations | 18 |
Type of magnitude | ML |
Reference to an origin | 93477751 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-08-01 05:45:00 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MIDA.HHZ. | 2021-08-01T05:39:53.80 | 3.0 | undecidable | manual | Pg | 23.74 | 0 | |||
IX.SCL3.EHZ.02 | 2021-08-01T05:39:51.11 | 3.0 | negative | manual | Pn | 2.58 | 0 | |||
IV.BRSN.EHZ. | 2021-08-01T05:39:49.79 | 3.0 | undecidable | manual | Sg | 18.01 | 0 | |||
TV.SF01.EHZ. | 2021-08-01T05:39:47.22 | 3.0 | undecidable | manual | Sn | -1.38 | 0 | |||
IV.GIUL.HHZ. | 2021-08-01T05:39:38.76 | 3.0 | undecidable | manual | Pg | 14.82 | 0 | |||
SL.LJU.BHZ. | 2021-08-01T05:39:30.32 | 3.0 | undecidable | manual | Pg | 23.09 | 0 | |||
IV.MMUR.HNZ. | 2021-08-01T05:39:22.61 | 3.0 | undecidable | manual | Pg | 18.42 | 0 | |||
SL.BOJS.BHZ. | 2021-08-01T05:39:17.52 | 3.0 | undecidable | manual | Pn | 2.79 | 0 | |||
IV.ARCI.HHZ. | 2021-08-01T05:39:12.78 | 3.0 | undecidable | manual | Pg | 14.1 | 0 | |||
IV.APEC.HHZ. | 2021-08-01T05:39:05.27 | 3.0 | positive | manual | Pn | 6.66 | 0 | |||
NI.POLC.HHZ. | 2021-08-01T05:38:58.34 | 3.0 | undecidable | manual | Pg | 10.53 | 0 | |||
IV.ASQU.HHZ. | 2021-08-01T05:38:56.67 | 3.0 | positive | manual | Pn | 5.02 | 0 | |||
IV.FNVD.HHZ. | 2021-08-01T05:38:41.75 | 3.0 | undecidable | manual | Pn | -1.56 | 0 | |||
CH.DAVOX.HHE. | 2021-08-01T05:38:26.85 | 0.6 | undecidable | manual | P | 57 | 178.5879 | 38 | 0.69 | 29 |
CH.BERNI.HHE. | 2021-08-01T05:38:25.86 | 0.3 | undecidable | manual | P | 71 | 171.7947 | 50 | 0.67 | 45 |
CH.GIMEL.HHZ. | 2021-08-01T05:38:22.88 | 0.6 | undecidable | manual | P | 299 | 142.1466 | 50 | 2.26 | 12 |
CH.FUSIO.HHZ. | 2021-08-01T05:38:21.27 | 0.6 | undecidable | manual | S | 45 | 82.7505 | 50 | -0.58 | 39 |
GU.LSD.HHZ. | 2021-08-01T05:38:20.08 | 0.3 | undecidable | manual | S | 229 | 78.9654 | 50 | -0.76 | 56 |
MN.BNI.HHZ. | 2021-08-01T05:38:20.79 | 0.3 | undecidable | manual | P | 225 | 135.9639 | 50 | 1.12 | 42 |
GU.BHB.HHZ. | 2021-08-01T05:38:18.11 | 0.3 | undecidable | manual | P | 202 | 131.0688 | 50 | -0.81 | 49 |
IV.VARE.HHZ. | 2021-08-01T05:38:17.14 | 0.3 | undecidable | manual | S | 96 | 67.5768 | 50 | -0.68 | 59 |
IV.MONC.HHN. | 2021-08-01T05:38:16.31 | 0.3 | undecidable | manual | P | 179 | 94.9383 | 50 | 2.96 | 4 |
CH.BNALP.HHE. | 2021-08-01T05:38:16.29 | 0.6 | undecidable | manual | P | 21 | 111.8991 | 50 | 0.33 | 40 |
GU.TRAV.HHZ. | 2021-08-01T05:38:12.00 | 0.3 | undecidable | manual | S | 194 | 47.8188 | 50 | -0.53 | 65 |
CH.MUGIO.HHZ. | 2021-08-01T05:38:12.50 | 0.3 | undecidable | manual | P | 90 | 88.245 | 50 | 0.19 | 65 |
GU.LSD.HHZ. | 2021-08-01T05:38:11.32 | 0.1 | undecidable | manual | P | 229 | 78.9654 | 50 | 0.44 | 83 |
GU.CIRO.HHZ. | 2021-08-01T05:38:11.18 | 0.3 | undecidable | manual | S | 215 | 44.4222 | 50 | -0.46 | 66 |
CH.FUSIO.HHZ. | 2021-08-01T05:38:11.82 | 0.1 | negative | manual | P | 45 | 82.7505 | 50 | 0.36 | 84 |
CH.DIX.HHZ. | 2021-08-01T05:38:10.17 | 0.3 | undecidable | manual | S | 294 | 41.3253 | 50 | -0.63 | 63 |
IV.VARE.HHZ. | 2021-08-01T05:38:09.19 | 0.1 | positive | manual | P | 96 | 67.5768 | 50 | 0.05 | 92 |
IV.MRGE.HHZ. | 2021-08-01T05:38:09.46 | 0.6 | undecidable | manual | P | 255 | 67.0773 | 50 | 0.4 | 43 |
GU.TRAV.HHZ. | 2021-08-01T05:38:06.30 | 0.1 | positive | manual | P | 194 | 47.8188 | 50 | 0.22 | 92 |
GU.CIRO.HHZ. | 2021-08-01T05:38:05.82 | 0.1 | positive | manual | P | 215 | 44.4222 | 50 | 0.26 | 92 |
CH.DIX.HHZ. | 2021-08-01T05:38:05.22 | 0.1 | negative | manual | P | 294 | 41.3253 | 50 | 0.14 | 95 |
CH.MMK.HHZ. | 2021-08-01T05:38:02.75 | 0.3 | undecidable | manual | S | 21 | 14.3745 | 127 | -0.76 | 62 |
CH.MMK.HHZ. | 2021-08-01T05:38:00.75 | 0.1 | positive | manual | P | 21 | 14.3745 | 127 | -0.12 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
CH.MMK.HHN. | ML:1.5 | 0.00028599999999999996 | 0.08 | AML | other | m | 2021-08-01T05:38:02.78 |
CH.MMK.HHE. | ML:1.1 | 0.0001265 | 0.28 | AML | other | m | 2021-08-01T05:38:02.74 |
CH.DIX.HHE. | ML:2.2 | 0.0005874999999999999 | 0.26 | AML | other | m | 2021-08-01T05:38:10.65 |
CH.DIX.HHN. | ML:2.2 | 0.00055 | 1.92 | AML | other | m | 2021-08-01T05:38:10.00 |
GU.CIRO.HHE. | ML:1.8 | 0.00020400000000000003 | 0.36 | AML | other | m | 2021-08-01T05:38:11.49 |
GU.CIRO.HHN. | ML:1.9 | 0.000234 | 0.3 | AML | other | m | 2021-08-01T05:38:11.70 |
GU.TRAV.HHE. | ML:1.8 | 0.0001875 | 1.4 | AML | other | m | 2021-08-01T05:38:12.11 |
GU.TRAV.HHN. | ML:1.9 | 0.000202 | 0.86 | AML | other | m | 2021-08-01T05:38:15.71 |
IV.VARE.HHE. | ML:1.4 | 0.00004235 | 1.36 | AML | other | m | 2021-08-01T05:38:17.07 |
IV.VARE.HHN. | ML:1.6 | 0.00006445000000000001 | 1.32 | AML | other | m | 2021-08-01T05:38:18.79 |
IV.MRGE.HHN. | ML:1.8 | 0.00009815 | 1.58 | AML | other | m | 2021-08-01T05:38:19.11 |
IV.MRGE.HHE. | ML:1.6 | 0.00007585 | 1.02 | AML | other | m | 2021-08-01T05:38:19.72 |
GU.LSD.HHE. | ML:2.0 | 0.000143 | 0.72 | AML | other | m | 2021-08-01T05:38:20.56 |
GU.LSD.HHN. | ML:1.8 | 0.00009755 | 0.56 | AML | other | m | 2021-08-01T05:38:21.27 |
CH.FUSIO.HHE. | ML:1.7 | 0.00006120000000000001 | 0.44 | AML | other | m | 2021-08-01T05:38:23.68 |
CH.MUGIO.HHN. | ML:1.5 | 0.0000385 | 0.38 | AML | other | m | 2021-08-01T05:38:24.38 |
CH.FUSIO.HHN. | ML:1.7 | 0.00006920000000000002 | 0.26 | AML | other | m | 2021-08-01T05:38:24.49 |
CH.MUGIO.HHE. | ML:1.4 | 0.00003205 | 0.94 | AML | other | m | 2021-08-01T05:38:25.31 |
GU.BHB.HHE. | ML:1.5 | 0.000021850000000000003 | 0.44 | AML | other | m | 2021-08-01T05:38:37.45 |
GU.BHB.HHN. | ML:1.5 | 0.00002095 | 1.16 | AML | other | m | 2021-08-01T05:38:38.81 |