A magnitude ML 1.4 earthquake occured in region: 11 km NE Courmayeur (AO), on
and geographic coordinates (lat, lon) 45.8830, 7.0240 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 |
Morgex | AO | 14 | 2104 | 5961 |
Saint-Rhémy-en-Bosses | AO | 14 | 338 | 6299 |
La Salle | AO | 16 | 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 1.4 | 2021-01-17 01:37:06 |
45.8832 | 7.0237 | 11 | 2021-01-17 01:44:28 |
Sala Sismica INGV-Roma | 86315031 |
Field | Value |
---|---|
Time (UTC) | 2021-01-17 01:37:06 ± 0.19 |
Latitude | 45.8832 ± 0.0108 |
Longitude | 7.0237 ± 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 | 86315031 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1295 |
Semi-minor axis of confidence ellipse (meter) | 997 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 311 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1300.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 175 |
Number of associated phases, regardless of their use for origin computation | 12 |
Number of defining phases | 12 |
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) | 0.07374 |
Epicentral distance of station farthest from the epicenter (degree) | 0.62593 |
Number of stations at which the event was observed | 7 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 1.4 |
Uncertainty | 0.1 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 86315031 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-01-17 01:44:28 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.LSD.HHZ. | 2021-01-17T01:37:21.02 | 0.1 | undecidable | manual | S | 170 | 47.8188 | 50 | -0.57 | 84 |
GU.TRAV.HHZ. | 2021-01-17T01:37:18.86 | 0.1 | undecidable | manual | P | 126 | 69.4749 | 50 | 0.38 | 86 |
CH.DIX.HHZ. | 2021-01-17T01:37:18.11 | 0.1 | undecidable | manual | S | 53 | 36.8298 | 50 | -0.55 | 87 |
GU.CIRO.HHZ. | 2021-01-17T01:37:16.10 | 0.1 | undecidable | manual | P | 126 | 52.4031 | 50 | 0.24 | 91 |
GU.LSD.HHZ. | 2021-01-17T01:37:15.63 | 0.1 | undecidable | manual | P | 170 | 47.8188 | 50 | 0.49 | 87 |
CH.DIX.HHZ. | 2021-01-17T01:37:13.50 | 0.3 | undecidable | manual | P | 53 | 36.8298 | 50 | 0.05 | 73 |
IV.MRGE.HHZ. | 2021-01-17T01:37:11.94 | 0.1 | undecidable | manual | S | 167 | 12.876 | 130 | -0.24 | 97 |
GU.REMY.HHZ. | 2021-01-17T01:37:11.65 | 0.1 | undecidable | manual | S | 116 | 11.4774 | 133 | -0.14 | 100 |
GU.BLANC.HHZ. | 2021-01-17T01:37:10.70 | 0.1 | undecidable | manual | S | 238 | 8.1807 | 143 | -0.34 | 96 |
GU.BLANC.HHZ. | 2021-01-17T01:37:09.23 | 0.1 | undecidable | manual | P | 238 | 8.1807 | 143 | 0.19 | 99 |
IV.MRGE.HHZ. | 2021-01-17T01:37:09.82 | 0.1 | undecidable | manual | P | 167 | 12.876 | 130 | 0.12 | 100 |
GU.REMY.HHZ. | 2021-01-17T01:37:09.85 | 0.1 | undecidable | manual | P | 116 | 11.4774 | 133 | 0.37 | 95 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MRGE.HHE. | ML:1.5 | 0.000356 | 0.18 | AML | other | m | 2021-01-17T01:37:12.10 |
IV.MRGE.HHN. | ML:1.5 | 0.000345 | 0.18 | AML | other | m | 2021-01-17T01:37:12.08 |
GU.BLANC.HHN. | ML:1.5 | 0.00043599999999999997 | 0.46 | AML | other | m | 2021-01-17T01:37:15.93 |
GU.BLANC.HHE. | ML:1.4 | 0.0003155 | 1.64 | AML | other | m | 2021-01-17T01:37:16.05 |
GU.REMY.HHE. | ML:1.3 | 0.000221 | 0.12 | AML | other | m | 2021-01-17T01:37:16.86 |
GU.REMY.HHN. | ML:1.4 | 0.000261 | 1.78 | AML | other | m | 2021-01-17T01:37:17.01 |
GU.LSD.HHE. | ML:1.4 | 0.00007095 | 0.12 | AML | other | m | 2021-01-17T01:37:25.90 |
GU.LSD.HHN. | ML:1.1 | 0.00003255 | 1.08 | AML | other | m | 2021-01-17T01:37:26.41 |