A magnitude ML 1.9 earthquake occured in region: 10 km NE Courmayeur (AO), on
and geographic coordinates (lat, lon) 45.8720, 7.0340 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 |
---|---|---|---|---|
Courmayeur | AO | 10 | 2807 | 2807 |
Pré-Saint-Didier | AO | 13 | 1050 | 3857 |
Saint-Rhémy-en-Bosses | AO | 13 | 338 | 4195 |
Morgex | AO | 13 | 2104 | 6299 |
La Salle | AO | 14 | 2087 | 8386 |
Saint-Oyen | AO | 15 | 203 | 8589 |
Etroubles | AO | 17 | 501 | 9090 |
La Thuile | AO | 18 | 761 | 9851 |
Allein | AO | 20 | 229 | 10080 |
Avise | AO | 20 | 305 | 10385 |
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 1.9 | 2020-10-12 16:04:47 |
45.8722 | 7.0343 | 11 | 2021-02-26 14:56:02 |
Bollettino Sismico Italiano INGV | 84382751 |
Reviewed Rev100 |
ML 1.8 | 2020-10-12 16:04:47 |
45.8703 | 7.0378 | 11 | 2020-10-12 16:17:10 |
Sala Sismica INGV-Roma | 83735111 |
Field | Value |
---|---|
Time (UTC) | 2020-10-12 16:04:47 ± 0.13 |
Latitude | 45.8722 ± 0.0081 |
Longitude | 7.0343 ± 0.0116 |
Depth (km) | 11 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 84382751 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 899 |
Semi-minor axis of confidence ellipse (meter) | 887 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 149 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 900.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 90 |
Number of associated phases, regardless of their use for origin computation | 18 |
Number of defining phases | 15 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.34 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.85705 |
Number of stations at which the event was observed | 12 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.4 |
Num. used stations | 14 |
Type of magnitude | ML |
Reference to an origin | 83735111 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-10-12 16:17:10 |
Field | Value |
---|---|
Value | 1.9 |
Uncertainty | 0.3 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 84382751 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2020-11-02 09:31:15 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CAPR.HNZ. | 2020-10-12T16:05:49.35 | 3.0 | undecidable | manual | Sn | 0.82 | 0 | |||
IV.PCN.EHZ. | 2020-10-12T16:05:26.42 | 3.0 | negative | manual | Pg | 4.25 | 0 | |||
GU.CANO.HHZ. | 2020-10-12T16:05:24.06 | 3.0 | undecidable | manual | Pg | 4.61 | 0 | |||
CH.GIMEL.HHE. | 2020-10-12T16:05:04.06 | 0.1 | undecidable | manual | P | 321 | 94.1391 | 50 | 0.48 | 79 |
MN.BNI.HHZ. | 2020-10-12T16:05:04.07 | 0.3 | undecidable | manual | P | 197 | 95.1381 | 50 | 0.35 | 61 |
GU.CIRO.HHZ. | 2020-10-12T16:05:03.39 | 0.3 | undecidable | manual | S | 126 | 51.0156 | 50 | -0.34 | 66 |
GU.LSD.HHZ. | 2020-10-12T16:05:02.10 | 0.3 | undecidable | manual | S | 170 | 46.4202 | 50 | -0.4 | 66 |
CH.DIX.HHZ. | 2020-10-12T16:04:59.36 | 0.3 | undecidable | manual | S | 51 | 36.9297 | 50 | -0.6 | 63 |
GU.SATI.HHZ. | 2020-10-12T16:04:58.79 | 0.6 | undecidable | manual | P | 89 | 64.3911 | 50 | -0.2 | 44 |
GU.CIRO.HHZ. | 2020-10-12T16:04:57.24 | 0.1 | undecidable | manual | P | 126 | 51.0156 | 50 | 0.31 | 89 |
GU.LSD.HHZ. | 2020-10-12T16:04:56.57 | 0.1 | undecidable | manual | P | 170 | 46.4202 | 50 | 0.35 | 89 |
CH.DIX.HHZ. | 2020-10-12T16:04:54.64 | 0.1 | undecidable | manual | P | 51 | 36.9297 | 50 | -0.11 | 95 |
GU.REMY.HHZ. | 2020-10-12T16:04:53.10 | 0.3 | undecidable | manual | S | 112 | 10.1787 | 137 | 0.26 | 73 |
IV.MRGE.HHZ. | 2020-10-12T16:04:52.99 | 0.3 | undecidable | manual | S | 170 | 11.5773 | 134 | -0.19 | 74 |
GU.BLANC.HHZ. | 2020-10-12T16:04:51.80 | 0.3 | undecidable | manual | S | 248 | 8.3805 | 143 | -0.63 | 66 |
IV.MRGE.HHZ. | 2020-10-12T16:04:50.92 | 0.1 | undecidable | manual | P | 170 | 11.5773 | 134 | 0.09 | 100 |
GU.REMY.HHZ. | 2020-10-12T16:04:50.95 | 0.1 | undecidable | manual | P | 112 | 10.1787 | 137 | 0.31 | 96 |
GU.BLANC.HHZ. | 2020-10-12T16:04:50.27 | 0.1 | undecidable | manual | P | 248 | 8.3805 | 143 | -0.14 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
GU.BLANC.HHN. | ML:2.2 | 0.001848144 | 0.1152 | AML | other | m | 2020-10-12T16:04:52.04 |
GU.BLANC.HHE. | ML:2.0 | 0.0013922799999999999 | 0.1664 | AML | other | m | 2020-10-12T16:04:52.15 |
IV.MRGE.HHE. | ML:2.2 | 0.00174205405 | 0.064 | AML | other | m | 2020-10-12T16:04:53.15 |
IV.MRGE.HHN. | ML:2.1 | 0.0014939898 | 0.0512 | AML | other | m | 2020-10-12T16:04:53.19 |
GU.REMY.HHN. | ML:1.4 | 0.000275909 | 0.2816 | AML | other | m | 2020-10-12T16:04:53.50 |
GU.REMY.HHE. | ML:1.2 | 0.00019789204999999999 | 0.1024 | AML | other | m | 2020-10-12T16:04:53.53 |
CH.DIX.HHN. | ML:2.0 | 0.0004265 | 0.56 | AML | other | m | 2020-10-12T16:04:59.57 |
CH.DIX.HHE. | ML:2.1 | 0.000516 | 0.4 | AML | other | m | 2020-10-12T16:04:59.70 |
GU.LSD.HHE. | ML:1.9 | 0.0002415 | 0.22 | AML | other | m | 2020-10-12T16:05:02.13 |
GU.LSD.HHN. | ML:1.6 | 0.00010545 | 1.38 | AML | other | m | 2020-10-12T16:05:03.01 |
GU.SATI.HHN. | ML:1.6 | 0.00007644999999999999 | 0.08 | AML | other | m | 2020-10-12T16:05:07.94 |
GU.SATI.HHE. | ML:1.5 | 0.0000543 | 0.08 | AML | other | m | 2020-10-12T16:05:07.95 |