A magnitude ML 1.0 earthquake occured in region: 9 km NE Courmayeur (AO), on
and geographic coordinates (lat, lon) 45.8680, 7.0160 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 | 9 | 2807 | 2807 |
Pré-Saint-Didier | AO | 12 | 1050 | 3857 |
Morgex | AO | 12 | 2104 | 5961 |
Saint-Rhémy-en-Bosses | AO | 14 | 338 | 6299 |
La Salle | AO | 14 | 2087 | 8386 |
Saint-Oyen | AO | 16 | 203 | 8589 |
La Thuile | AO | 18 | 761 | 9350 |
Etroubles | AO | 18 | 501 | 9851 |
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 1.0 | 2020-10-13 03:50:30 |
45.8683 | 7.0162 | 11 | 2021-02-26 14:56:00 |
Bollettino Sismico Italiano INGV | 83978861 |
Reviewed Rev100 |
ML 1.1 | 2020-10-13 03:50:30 |
45.8767 | 7.0147 | 12 | 2020-10-13 03:54:23 |
Sala Sismica INGV-Roma | 83746721 |
Field | Value |
---|---|
Time (UTC) | 2020-10-13 03:50:30 ± 0.11 |
Latitude | 45.8683 ± 0.0072 |
Longitude | 7.0162 ± 0.0090 |
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 | 83978861 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 798 |
Semi-minor axis of confidence ellipse (meter) | 675 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 204 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 800.0 |
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 | 15 |
Number of defining phases | 15 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.25 |
Epicentral distance of station closest to the epicenter (degree) | 0.06205 |
Epicentral distance of station farthest from the epicenter (degree) | 0.84356 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.1 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 83978861 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2020-10-21 06:44:31 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.1 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 83746721 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-10-13 03:54:23 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
CH.GIMEL.HHZ. | 2020-10-13T03:50:46.93 | 0.6 | undecidable | manual | P | 322 | 93.6396 | 50 | 0.37 | 40 |
GU.CIRO.HHZ. | 2020-10-13T03:50:46.66 | 0.6 | undecidable | manual | S | 124 | 52.0035 | 50 | -0.38 | 43 |
GU.LSD.HHZ. | 2020-10-13T03:50:45.25 | 0.6 | undecidable | manual | S | 169 | 46.3203 | 50 | -0.28 | 44 |
CH.DIX.HHZ. | 2020-10-13T03:50:42.46 | 1.0 | undecidable | manual | S | 52 | 38.2284 | 50 | -0.93 | 18 |
GU.TRAV.HHZ. | 2020-10-13T03:50:42.95 | 1.0 | undecidable | manual | P | 125 | 68.9754 | 50 | 0.18 | 22 |
GU.SATI.HHZ. | 2020-10-13T03:50:42.51 | 0.6 | undecidable | manual | P | 89 | 65.8896 | 50 | 0.23 | 43 |
GU.CIRO.HHZ. | 2020-10-13T03:50:40.34 | 0.1 | undecidable | manual | P | 124 | 52.0035 | 50 | 0.2 | 89 |
GU.LSD.HHZ. | 2020-10-13T03:50:39.62 | 0.6 | undecidable | manual | P | 169 | 46.3203 | 50 | 0.36 | 44 |
CH.DIX.HHZ. | 2020-10-13T03:50:37.78 | 0.1 | undecidable | manual | P | 52 | 38.2284 | 50 | -0.25 | 91 |
IV.MRGE.HHZ. | 2020-10-13T03:50:36.10 | 0.1 | undecidable | manual | S | 162 | 11.4774 | 134 | -0.13 | 97 |
GU.REMY.HHZ. | 2020-10-13T03:50:36.20 | 0.1 | undecidable | manual | S | 107 | 11.3775 | 134 | 0 | 100 |
IV.MRGE.HHZ. | 2020-10-13T03:50:34.05 | 0.1 | undecidable | manual | P | 162 | 11.4774 | 134 | 0.16 | 97 |
GU.REMY.HHZ. | 2020-10-13T03:50:34.11 | 0.1 | negative | manual | P | 107 | 11.3775 | 134 | 0.23 | 95 |
GU.BLANC.HHZ. | 2020-10-13T03:50:34.89 | 0.1 | undecidable | manual | S | 247 | 6.8931 | 148 | -0.32 | 94 |
GU.BLANC.HHZ. | 2020-10-13T03:50:33.41 | 0.1 | undecidable | manual | P | 247 | 6.8931 | 148 | 0.1 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
GU.BLANC.HHN. | ML:1.0 | 0.000155 | 1.54 | AML | other | m | 2020-10-13T03:50:34.17 |
GU.BLANC.HHE. | ML:0.9 | 0.0001125 | 0.5 | AML | other | m | 2020-10-13T03:50:35.29 |
IV.MRGE.HHN. | ML:1.0 | 0.0001123 | 0.18 | AML | other | m | 2020-10-13T03:50:36.26 |
IV.MRGE.HHE. | ML:1.2 | 0.00016649999999999998 | 0.22 | AML | other | m | 2020-10-13T03:50:36.29 |