A magnitude ML 1.3 earthquake occured in region: 11 km NE Courmayeur (AO), on
and geographic coordinates (lat, lon) 45.8830, 7.0300 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 | 11 | 2807 | 2807 |
Pré-Saint-Didier | AO | 14 | 1050 | 3857 |
Saint-Rhémy-en-Bosses | AO | 14 | 338 | 4195 |
Morgex | AO | 14 | 2104 | 6299 |
La Salle | AO | 15 | 2087 | 8386 |
Saint-Oyen | AO | 16 | 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 1.3 | 2020-09-11 09:54:00 |
45.8827 | 7.0295 | 11 | 2020-09-11 10:14:37 |
Sala Sismica INGV-Roma | 82814051 |
Field | Value |
---|---|
Time (UTC) | 2020-09-11 09:54:00 ± 0.19 |
Latitude | 45.8827 ± 0.0099 |
Longitude | 7.0295 ± 0.0155 |
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 | 82814051 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1311 |
Semi-minor axis of confidence ellipse (meter) | 958 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 304 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1310.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 173 |
Number of associated phases, regardless of their use for origin computation | 14 |
Number of defining phases | 12 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.34 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.75273 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.3 |
Num. used stations | 9 |
Type of magnitude | ML |
Reference to an origin | 82814051 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-09-11 10:14:37 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.RSP.HHZ. | 2020-09-11T09:54:24.73 | 0.6 | undecidable | manual | S | 167 | 83.5497 | 50 | -0.14 | 44 |
GU.LSD.HHZ. | 2020-09-11T09:54:14.84 | 0.6 | undecidable | manual | S | 170 | 47.619 | 50 | -0.45 | 44 |
GU.RSP.HHZ. | 2020-09-11T09:54:14.53 | 0.1 | undecidable | manual | P | 167 | 83.5497 | 50 | 0.16 | 88 |
CH.DIX.HHZ. | 2020-09-11T09:54:11.82 | 0.3 | undecidable | manual | S | 53 | 36.4413 | 50 | -0.49 | 67 |
GU.TRAV.HHZ. | 2020-09-11T09:54:10.13 | 3.0 | undecidable | manual | P | -0.19 | 0 | |||
GU.CIRO.HHZ. | 2020-09-11T09:54:10.21 | 3.0 | undecidable | manual | P | 1.99 | 0 | |||
GU.LSD.HHZ. | 2020-09-11T09:54:09.46 | 0.6 | undecidable | manual | P | 170 | 47.619 | 50 | 0.61 | 42 |
CH.DIX.HHZ. | 2020-09-11T09:54:07.38 | 0.6 | undecidable | manual | P | 53 | 36.4413 | 50 | 0.25 | 47 |
IV.MRGE.HHZ. | 2020-09-11T09:54:05.45 | 0.6 | undecidable | manual | S | 169 | 12.7761 | 130 | -0.39 | 48 |
GU.REMY.HHZ. | 2020-09-11T09:54:05.15 | 0.6 | undecidable | manual | S | 117 | 10.9779 | 134 | -0.24 | 49 |
GU.BLANC.HHZ. | 2020-09-11T09:54:04.29 | 0.3 | undecidable | manual | S | 240 | 8.4804 | 142 | -0.52 | 70 |
GU.BLANC.HHZ. | 2020-09-11T09:54:03.00 | 0.1 | negative | manual | P | 240 | 8.4804 | 142 | 0.2 | 100 |
GU.REMY.HHZ. | 2020-09-11T09:54:03.45 | 0.1 | positive | manual | P | 117 | 10.9779 | 134 | 0.32 | 97 |
IV.MRGE.HHZ. | 2020-09-11T09:54:03.62 | 0.1 | positive | manual | P | 169 | 12.7761 | 130 | 0.23 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
GU.BLANC.HHN. | ML:0.0 | 0.0003538863 | 0.1984 | AML | other | m | 2020-09-11T09:54:04.96 |
GU.BLANC.HHE. | ML:0.0 | 0.0003941914 | 0.1984 | AML | other | m | 2020-09-11T09:54:04.91 |
GU.REMY.HHE. | ML:1.2 | 0.00019996665 | 0.2368 | AML | other | m | 2020-09-11T09:54:05.90 |
GU.REMY.HHN. | ML:1.1 | 0.00014181336 | 0.1152 | AML | other | m | 2020-09-11T09:54:05.32 |
IV.MRGE.HHE. | ML:1.7 | 0.00056307605 | 0.0768 | AML | other | m | 2020-09-11T09:54:05.66 |
IV.MRGE.HHN. | ML:1.7 | 0.0004767550685 | 0.1024 | AML | other | m | 2020-09-11T09:54:05.63 |
CH.DIX.HHE. | ML:1.1 | 0.00004333045 | 0.16 | AML | other | m | 2020-09-11T09:54:11.90 |
CH.DIX.HHN. | ML:1.1 | 0.000042873589999999995 | 0.1408 | AML | other | m | 2020-09-11T09:54:13.17 |
GU.TRAV.HHE. | ML:1.1 | 0.00002011557 | 0.0768 | AML | other | m | 2020-09-11T09:54:21.97 |