A magnitude ML 1.0 earthquake occured in region: V3 Monte Bianco (ITALIA, FRANCIA, SVIZZERA), on
and geographic coordinates (lat, lon) 45.8950, 7.0010 at 9 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 | 12 | 2807 | 2807 |
Pré-Saint-Didier | AO | 15 | 1050 | 3857 |
Morgex | AO | 16 | 2104 | 5961 |
Saint-Rhémy-en-Bosses | AO | 16 | 338 | 6299 |
La Salle | AO | 17 | 2087 | 8386 |
Saint-Oyen | AO | 18 | 203 | 8589 |
Etroubles | AO | 20 | 501 | 9090 |
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 1.0 | 2020-09-17 21:21:59 |
45.8953 | 7.0008 | 9 | 2020-09-17 21:31:24 |
Sala Sismica INGV-Roma | 82992331 |
Field | Value |
---|---|
Time (UTC) | 2020-09-17 21:21:59 ± 0.25 |
Latitude | 45.8953 ± 0.0162 |
Longitude | 7.0008 ± 0.0168 |
Depth (km) | 9 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 82992331 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1733 |
Semi-minor axis of confidence ellipse (meter) | 1250 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 181 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1730.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 195 |
Number of associated phases, regardless of their use for origin computation | 9 |
Number of defining phases | 9 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.37 |
Epicentral distance of station closest to the epicenter (degree) | 0.06925 |
Epicentral distance of station farthest from the epicenter (degree) | 0.44516 |
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 | 1.0 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 82992331 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-09-17 21:31:24 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
CH.DIX.HHZ. | 2020-09-17T21:22:12.25 | 0.3 | undecidable | manual | S | 57 | 37.4292 | 50 | -0.55 | 66 |
GU.LSD.HHZ. | 2020-09-17T21:22:09.39 | 0.3 | undecidable | manual | P | 168 | 49.4172 | 50 | 0.2 | 70 |
CH.DIX.HHZ. | 2020-09-17T21:22:07.78 | 1.0 | positive | manual | P | 57 | 37.4292 | 50 | 0.43 | 23 |
IV.MRGE.HHZ. | 2020-09-17T21:22:05.57 | 0.1 | undecidable | manual | S | 162 | 14.6742 | 122 | -0.34 | 96 |
GU.REMY.HHZ. | 2020-09-17T21:22:05.61 | 0.3 | undecidable | manual | S | 118 | 13.5753 | 124 | 0.01 | 77 |
IV.MRGE.HHZ. | 2020-09-17T21:22:03.55 | 0.1 | positive | manual | P | 162 | 14.6742 | 122 | 0.17 | 100 |
GU.REMY.HHZ. | 2020-09-17T21:22:03.58 | 0.1 | positive | manual | P | 118 | 13.5753 | 124 | 0.38 | 95 |
GU.BLANC.HHZ. | 2020-09-17T21:22:03.62 | 0.3 | undecidable | manual | S | 222 | 7.6812 | 140 | -0.43 | 72 |
GU.BLANC.HHZ. | 2020-09-17T21:22:02.51 | 0.1 | positive | manual | P | 222 | 7.6812 | 140 | 0.21 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
GU.BLANC.HHN. | ML:1.1 | 0.00020050000000000002 | 0.08 | AML | other | m | 2020-09-17T21:22:03.77 |
GU.BLANC.HHE. | ML:1.2 | 0.000253 | 1.76 | AML | other | m | 2020-09-17T21:22:03.06 |
IV.MRGE.HHN. | ML:1.1 | 0.000126 | 0.28 | AML | other | m | 2020-09-17T21:22:05.83 |
IV.MRGE.HHE. | ML:0.8 | 0.0000592 | 0.14 | AML | other | m | 2020-09-17T21:22:05.72 |
GU.REMY.HHN. | ML:0.9 | 0.0000839 | 0.84 | AML | other | m | 2020-09-17T21:22:05.77 |
GU.REMY.HHE. | ML:0.8 | 0.00006 | 1.58 | AML | other | m | 2020-09-17T21:22:05.11 |