A magnitude ML 1.1 earthquake occured in region: 10 km NE Courmayeur (AO), on
and geographic coordinates (lat, lon) 45.8780, 7.0220 at 10 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 | 18 | 501 | 9090 |
La Thuile | AO | 19 | 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 | 2020-09-22 06:52:47 |
45.8778 | 7.0218 | 10 | 2020-09-22 06:59:02 |
Sala Sismica INGV-Roma | 83123161 |
Field | Value |
---|---|
Time (UTC) | 2020-09-22 06:52:47 ± 0.23 |
Latitude | 45.8778 ± 0.0126 |
Longitude | 7.0218 ± 0.0181 |
Depth (km) | 10 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 83123161 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1530 |
Semi-minor axis of confidence ellipse (meter) | 1194 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 317 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1530.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 172 |
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) | 0.43 |
Epicentral distance of station closest to the epicenter (degree) | 0.07015 |
Epicentral distance of station farthest from the epicenter (degree) | 0.42538 |
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 | 83123161 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-09-22 06:59:02 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.LSD.HHZ. | 2020-09-22T06:53:02.26 | 0.3 | undecidable | manual | S | 169 | 47.2194 | 50 | -0.36 | 67 |
CH.DIX.HHZ. | 2020-09-22T06:52:59.19 | 0.3 | undecidable | manual | S | 53 | 37.2294 | 50 | -0.77 | 59 |
GU.LSD.HHZ. | 2020-09-22T06:52:56.75 | 0.3 | undecidable | manual | P | 169 | 47.2194 | 50 | 0.57 | 63 |
CH.DIX.HHZ. | 2020-09-22T06:52:55.14 | 0.3 | undecidable | manual | P | 53 | 37.2294 | 50 | 0.5 | 66 |
IV.MRGE.HHZ. | 2020-09-22T06:52:52.71 | 0.3 | undecidable | manual | S | 166 | 12.3765 | 130 | -0.25 | 73 |
GU.REMY.HHZ. | 2020-09-22T06:52:52.60 | 0.3 | undecidable | manual | S | 113 | 11.2776 | 132 | -0.09 | 75 |
GU.BLANC.HHZ. | 2020-09-22T06:52:51.38 | 0.3 | undecidable | manual | S | 241 | 7.7811 | 143 | -0.47 | 70 |
GU.BLANC.HHZ. | 2020-09-22T06:52:50.10 | 0.1 | undecidable | manual | P | 241 | 7.7811 | 143 | 0.14 | 100 |
GU.REMY.HHZ. | 2020-09-22T06:52:50.70 | 0.1 | undecidable | manual | P | 113 | 11.2776 | 132 | 0.25 | 97 |
IV.MRGE.HHZ. | 2020-09-22T06:52:50.81 | 0.1 | undecidable | manual | P | 166 | 12.3765 | 130 | 0.21 | 98 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
GU.BLANC.HHE. | ML:1.3 | 0.00029932695 | 0.2368 | AML | other | m | 2020-09-22T06:52:51.47 |
GU.BLANC.HHN. | ML:1.3 | 0.00029220040000000003 | 0.0992 | AML | other | m | 2020-09-22T06:52:51.63 |
GU.REMY.HHN. | ML:0.6 | 0.000046262555 | 0.1632 | AML | other | m | 2020-09-22T06:52:52.66 |
GU.REMY.HHE. | ML:0.8 | 0.000064148715 | 0.2208 | AML | other | m | 2020-09-22T06:52:53.05 |
IV.MRGE.HHN. | ML:1.1 | 0.00014576771 | 0.08 | AML | other | m | 2020-09-22T06:52:52.81 |
IV.MRGE.HHE. | ML:1.2 | 0.0001729015 | 0.08 | AML | other | m | 2020-09-22T06:52:52.84 |