A magnitude ML 1.1 earthquake occured in region: 10 km NE Courmayeur (AO), on
and geographic coordinates (lat, lon) 45.8750, 7.0230 at 11 km depth.
The earthquake was located by: Sala Sismica INGV-Roma.
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 |
Morgex | AO | 13 | 2104 | 5961 |
Saint-Rhémy-en-Bosses | AO | 14 | 338 | 6299 |
La Salle | AO | 15 | 2087 | 8386 |
Saint-Oyen | AO | 16 | 203 | 8589 |
Etroubles | AO | 17 | 501 | 9090 |
La Thuile | AO | 18 | 761 | 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 |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2020-09-17 21:34:00 |
45.8752 | 7.0232 | 11 | 2020-09-17 21:38:46 |
Sala Sismica INGV-Roma | 82992571 |
Field | Value |
---|---|
Time (UTC) | 2020-09-17 21:34:00 ± 0.23 |
Latitude | 45.8752 ± 0.0135 |
Longitude | 7.0232 ± 0.0181 |
Depth (km) | 11 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 82992571 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1562 |
Semi-minor axis of confidence ellipse (meter) | 1289 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 159 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1560.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 168 |
Number of associated phases, regardless of their use for origin computation | 10 |
Number of defining phases | 10 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.42 |
Epicentral distance of station closest to the epicenter (degree) | 0.06925 |
Epicentral distance of station farthest from the epicenter (degree) | 0.42268 |
Number of stations at which the event was observed | 5 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.3 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 82992571 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-09-17 21:38:46 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.LSD.HHZ. | 2020-09-17T21:34:15.46 | 0.6 | undecidable | manual | S | 169 | 46.9197 | 50 | -0.54 | 43 |
CH.DIX.HHZ. | 2020-09-17T21:34:12.81 | 0.3 | undecidable | manual | S | 52 | 37.4292 | 50 | -0.65 | 63 |
GU.LSD.HHZ. | 2020-09-17T21:34:10.40 | 0.6 | negative | manual | P | 169 | 46.9197 | 50 | 0.75 | 39 |
CH.DIX.HHZ. | 2020-09-17T21:34:08.60 | 0.3 | undecidable | manual | P | 52 | 37.4292 | 50 | 0.41 | 68 |
GU.REMY.HHZ. | 2020-09-17T21:34:06.23 | 0.3 | undecidable | manual | S | 112 | 11.0778 | 134 | -0.16 | 75 |
IV.MRGE.HHZ. | 2020-09-17T21:34:06.40 | 0.3 | undecidable | manual | S | 166 | 12.0768 | 132 | -0.22 | 73 |
GU.BLANC.HHZ. | 2020-09-17T21:34:05.11 | 0.3 | undecidable | manual | S | 244 | 7.6812 | 145 | -0.5 | 70 |
GU.REMY.HHZ. | 2020-09-17T21:34:04.39 | 0.1 | positive | manual | P | 112 | 11.0778 | 134 | 0.29 | 97 |
IV.MRGE.HHZ. | 2020-09-17T21:34:04.49 | 0.1 | undecidable | manual | P | 166 | 12.0768 | 132 | 0.25 | 97 |
GU.BLANC.HHZ. | 2020-09-17T21:34:03.82 | 0.1 | positive | manual | P | 244 | 7.6812 | 145 | 0.16 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MRGE.HHE. | ML:1.4 | 0.000252 | 0.2 | AML | other | m | 2020-09-17T21:34:06.57 |
GU.REMY.HHE. | ML:0.9 | 0.00010125000000000001 | 0.4 | AML | other | m | 2020-09-17T21:34:06.70 |
IV.MRGE.HHN. | ML:1.6 | 0.000472 | 0.34 | AML | other | m | 2020-09-17T21:34:06.53 |
GU.REMY.HHN. | ML:0.8 | 0.0000756 | 1.1 | AML | other | m | 2020-09-17T21:34:07.84 |
GU.LSD.HHE. | ML:1.0 | 0.0000281 | 0.26 | AML | other | m | 2020-09-17T21:34:16.20 |
GU.LSD.HHN. | ML:0.8 | 0.0000218 | 1.52 | AML | other | m | 2020-09-17T21:34:16.84 |