A magnitude ML 1.5 earthquake occured in region: 10 km NE Courmayeur (AO), on
and geographic coordinates (lat, lon) 45.8800, 7.0220 at 10 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 |
Morgex | AO | 14 | 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 |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.5 | 2020-08-28 09:45:55 |
45.8803 | 7.0222 | 10 | 2020-11-19 12:37:04 |
Bollettino Sismico Italiano INGV | 83821571 |
Reviewed Rev100 |
ML 1.4 | 2020-08-28 09:45:54 |
45.8817 | 7.0237 | 10 | 2020-08-28 09:50:20 |
Sala Sismica INGV-Roma | 82404051 |
Field | Value |
---|---|
Time (UTC) | 2020-08-28 09:45:55 ± 0.16 |
Latitude | 45.8803 ± 0.0090 |
Longitude | 7.0222 ± 0.0116 |
Depth (km) | 10 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 83821571 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 980 |
Semi-minor axis of confidence ellipse (meter) | 893 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 299 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 980.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 91 |
Number of associated phases, regardless of their use for origin computation | 16 |
Number of defining phases | 16 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.36 |
Epicentral distance of station closest to the epicenter (degree) | 0.07105 |
Epicentral distance of station farthest from the epicenter (degree) | 0.83637 |
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 | 1.5 |
Uncertainty | 0.2 |
Num. used stations | 11 |
Type of magnitude | ML |
Reference to an origin | 83821571 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2020-10-16 11:11:05 |
Field | Value |
---|---|
Value | 1.4 |
Uncertainty | 0.2 |
Num. used stations | 9 |
Type of magnitude | ML |
Reference to an origin | 82404051 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-08-28 09:50:20 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.TRAV.HHZ. | 2020-08-28T09:46:15.74 | 0.1 | undecidable | manual | S | 126 | 69.375 | 50 | -0.52 | 82 |
GU.SATI.HHN. | 2020-08-28T09:46:15.42 | 0.6 | undecidable | manual | S | 90 | 65.3901 | 50 | 0.25 | 44 |
CH.GIMEL.HHZ. | 2020-08-28T09:46:11.06 | 1.0 | undecidable | manual | P | 322 | 92.8404 | 50 | 0.17 | 21 |
GU.LSD.HHZ. | 2020-08-28T09:46:10.30 | 0.1 | undecidable | manual | S | 169 | 47.5191 | 50 | -0.1 | 93 |
CH.MMK.HHN. | 2020-08-28T09:46:08.61 | 0.6 | undecidable | manual | P | 75 | 75.0693 | 50 | 0.47 | 41 |
GU.TRAV.HHZ. | 2020-08-28T09:46:07.75 | 0.1 | positive | manual | P | 126 | 69.375 | 50 | 0.48 | 83 |
GU.SATI.HHN. | 2020-08-28T09:46:07.55 | 1.0 | undecidable | manual | P | 90 | 65.3901 | 50 | 0.9 | 18 |
CH.DIX.HHZ. | 2020-08-28T09:46:06.84 | 0.1 | undecidable | manual | S | 53 | 37.1295 | 50 | -0.79 | 78 |
GU.LSD.HHZ. | 2020-08-28T09:46:04.18 | 0.3 | positive | manual | P | 169 | 47.5191 | 50 | 0.28 | 67 |
CH.DIX.HHZ. | 2020-08-28T09:46:02.49 | 0.3 | undecidable | manual | P | 53 | 37.1295 | 50 | 0.2 | 70 |
GU.REMY.HHZ. | 2020-08-28T09:46:00.17 | 0.1 | undecidable | manual | S | 114 | 11.3775 | 131 | -0.07 | 100 |
IV.MRGE.HHZ. | 2020-08-28T09:46:00.45 | 0.1 | undecidable | manual | S | 166 | 12.6762 | 128 | -0.12 | 99 |
GU.REMY.HHZ. | 2020-08-28T09:45:58.32 | 0.1 | positive | manual | P | 114 | 11.3775 | 131 | 0.29 | 96 |
IV.MRGE.HHZ. | 2020-08-28T09:45:58.38 | 0.6 | undecidable | manual | P | 166 | 12.6762 | 128 | 0.16 | 49 |
GU.BLANC.HHZ. | 2020-08-28T09:45:58.92 | 0.1 | undecidable | manual | S | 240 | 7.881 | 141 | -0.47 | 92 |
GU.BLANC.HHZ. | 2020-08-28T09:45:57.73 | 0.1 | positive | manual | P | 240 | 7.881 | 141 | 0.19 | 98 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
GU.BLANC.HHE. | ML:1.7 | 0.0008 | 0.26 | AML | other | m | 2020-08-28T09:45:59.36 |
GU.BLANC.HHN. | ML:1.7 | 0.0007215 | 0.4 | AML | other | m | 2020-08-28T09:45:59.60 |
GU.REMY.HHN. | ML:1.5 | 0.0004055 | 1.12 | AML | other | m | 2020-08-28T09:46:00.31 |
IV.MRGE.HHE. | ML:1.5 | 0.000337 | 0.18 | AML | other | m | 2020-08-28T09:46:00.43 |
IV.MRGE.HHN. | ML:1.6 | 0.00040149999999999995 | 0.18 | AML | other | m | 2020-08-28T09:46:00.56 |
GU.REMY.HHE. | ML:1.4 | 0.0003 | 0.12 | AML | other | m | 2020-08-28T09:46:00.65 |
CH.DIX.HHE. | ML:1.5 | 0.0001175 | 0.16 | AML | other | m | 2020-08-28T09:46:07.31 |
CH.DIX.HHN. | ML:1.4 | 0.00009779999999999999 | 0.9 | AML | other | m | 2020-08-28T09:46:08.07 |
GU.LSD.HHN. | ML:1.0 | 0.000027400000000000002 | 0.6 | AML | other | m | 2020-08-28T09:46:10.93 |
GU.TRAV.HHE. | ML:1.2 | 0.0000286 | 1.52 | AML | other | m | 2020-08-28T09:46:17.03 |
GU.TRAV.HHN. | ML:1.2 | 0.00003115 | 1.1 | AML | other | m | 2020-08-28T09:46:19.71 |