A magnitude ML 1.2 earthquake occured in region: 10 km NE Courmayeur (AO), on
and geographic coordinates (lat, lon) 45.8790, 7.0300 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 |
Saint-Rhémy-en-Bosses | AO | 13 | 338 | 4195 |
Morgex | AO | 14 | 2104 | 6299 |
La Salle | AO | 15 | 2087 | 8386 |
Saint-Oyen | AO | 15 | 203 | 8589 |
Etroubles | AO | 17 | 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 1.2 | 2020-09-25 18:23:53 |
45.8788 | 7.0297 | 10 | 2020-09-25 18:34:12 |
Sala Sismica INGV-Roma | 83248851 |
Field | Value |
---|---|
Time (UTC) | 2020-09-25 18:23:53 ± 0.21 |
Latitude | 45.8788 ± 0.0126 |
Longitude | 7.0297 ± 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 | 83248851 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1560 |
Semi-minor axis of confidence ellipse (meter) | 1189 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 315 |
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) | 169 |
Number of associated phases, regardless of their use for origin computation | 12 |
Number of defining phases | 10 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.39 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.42538 |
Number of stations at which the event was observed | 7 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.3 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 83248851 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-09-25 18:34:12 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.ACQ.HGZ. | 2020-09-25T18:24:10.46 | 3.0 | undecidable | manual | P | 0 | ||||
GU.LSD.HHZ. | 2020-09-25T18:24:08.12 | 0.6 | undecidable | manual | S | 170 | 47.2194 | 50 | -0.5 | 43 |
GU.SATI.HHZ. | 2020-09-25T18:24:06.86 | 3.0 | undecidable | manual | P | 0 | ||||
CH.DIX.HHZ. | 2020-09-25T18:24:04.86 | 0.6 | undecidable | manual | S | 52 | 36.741 | 50 | -0.96 | 36 |
GU.LSD.HHZ. | 2020-09-25T18:24:02.56 | 0.1 | undecidable | manual | P | 170 | 47.2194 | 50 | 0.4 | 88 |
CH.DIX.HHZ. | 2020-09-25T18:24:00.78 | 0.1 | undecidable | manual | P | 52 | 36.741 | 50 | 0.23 | 93 |
GU.REMY.HHZ. | 2020-09-25T18:23:58.34 | 0.6 | undecidable | manual | S | 115 | 10.7781 | 133 | -0.14 | 49 |
IV.MRGE.HHZ. | 2020-09-25T18:23:58.54 | 0.6 | undecidable | manual | S | 169 | 12.3765 | 129 | -0.34 | 47 |
GU.BLANC.HHE. | 2020-09-25T18:23:57.32 | 0.6 | undecidable | manual | S | 243 | 8.2806 | 141 | -0.57 | 45 |
GU.BLANC.HHE. | 2020-09-25T18:23:56.08 | 0.1 | undecidable | manual | P | 243 | 8.2806 | 141 | 0.11 | 100 |
GU.REMY.HHZ. | 2020-09-25T18:23:56.55 | 0.1 | undecidable | manual | P | 115 | 10.7781 | 133 | 0.24 | 97 |
IV.MRGE.HHZ. | 2020-09-25T18:23:56.71 | 0.1 | positive | manual | P | 169 | 12.3765 | 129 | 0.17 | 98 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
GU.REMY.HHE. | ML:0.7 | 0.00006210975000000001 | 0.1536 | AML | other | m | 2020-09-25T18:23:58.59 |
GU.REMY.HHN. | ML:0.7 | 0.00006575473 | 0.1792 | AML | other | m | 2020-09-25T18:23:58.46 |
IV.MRGE.HHE. | ML:1.3 | 0.00022808519999999998 | 0.0896 | AML | other | m | 2020-09-25T18:23:58.75 |
IV.MRGE.HHN. | ML:1.2 | 0.0001635912 | 0.1408 | AML | other | m | 2020-09-25T18:23:58.64 |
CH.DIX.HHE. | ML:1.5 | 0.00012270405 | 2.7008 | AML | other | m | 2020-09-25T18:24:01.12 |
CH.DIX.HHN. | ML:1.6 | 0.00013313179999999998 | 1.8688 | AML | other | m | 2020-09-25T18:24:14.39 |