A magnitude ML 1.4 earthquake occured in region: 13 km NW Saint Rhémy en Bosses (AO), on
and geographic coordinates (lat, lon) 45.8990, 7.0600 at 11 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 |
---|---|---|---|---|
Saint-Rhémy-en-Bosses | AO | 13 | 338 | 338 |
Courmayeur | AO | 14 | 2807 | 3145 |
Saint-Oyen | AO | 14 | 203 | 3348 |
Morgex | AO | 16 | 2104 | 5452 |
Pré-Saint-Didier | AO | 16 | 1050 | 6502 |
Etroubles | AO | 16 | 501 | 7003 |
La Salle | AO | 17 | 2087 | 9090 |
Allein | AO | 19 | 229 | 9319 |
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 1.4 | 2021-01-23 17:18:29 |
45.8992 | 7.0598 | 11 | 2021-07-12 16:54:57 |
Bollettino Sismico Italiano INGV | 86802391 |
Reviewed Rev100 |
ML 1.4 | 2021-01-23 17:18:29 |
45.9002 | 7.0612 | 11 | 2021-01-23 17:27:11 |
Sala Sismica INGV-Roma | 86503031 |
Field | Value |
---|---|
Time (UTC) | 2021-01-23 17:18:29 ± 0.2 |
Latitude | 45.8992 ± 0.0108 |
Longitude | 7.0598 ± 0.0271 |
Depth (km) | 11 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 86802391 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 2039 |
Semi-minor axis of confidence ellipse (meter) | 1145 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 276 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 2040.0 |
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) | 0.38 |
Epicentral distance of station closest to the epicenter (degree) | 0.10342 |
Epicentral distance of station farthest from the epicenter (degree) | 0.61604 |
Number of stations at which the event was observed | 6 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 1.4 |
Uncertainty | 0.2 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 86802391 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-03-05 16:34:28 |
Field | Value |
---|---|
Value | 1.4 |
Uncertainty | 0.2 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 86503031 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-01-23 17:27:11 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.TRAV.HHE. | 2021-01-23T17:18:49.36 | 0.6 | undecidable | manual | S | 129 | 68.376 | 90 | -0.42 | 42 |
GU.LSD.HHE. | 2021-01-23T17:18:44.23 | 0.3 | undecidable | manual | S | 173 | 49.1175 | 90 | -0.42 | 65 |
GU.CIRO.HHZ. | 2021-01-23T17:18:44.85 | 0.3 | undecidable | manual | S | 130 | 51.3153 | 90 | -0.4 | 66 |
GU.TRAV.HHE. | 2021-01-23T17:18:41.53 | 0.1 | undecidable | manual | P | 129 | 68.376 | 90 | 0.5 | 80 |
CH.DIX.HHZ. | 2021-01-23T17:18:39.97 | 0.3 | undecidable | manual | S | 53 | 33.5442 | 90 | -0.52 | 65 |
GU.CIRO.HHZ. | 2021-01-23T17:18:38.82 | 0.1 | undecidable | manual | P | 130 | 51.3153 | 90 | 0.4 | 85 |
GU.LSD.HHE. | 2021-01-23T17:18:38.61 | 0.3 | undecidable | manual | P | 173 | 49.1175 | 90 | 0.54 | 62 |
CH.DIX.HHZ. | 2021-01-23T17:18:35.73 | 0.3 | undecidable | manual | P | 53 | 33.5442 | 90 | 0.06 | 71 |
IV.MRGE.HHZ. | 2021-01-23T17:18:35.17 | 0.6 | undecidable | manual | S | 180 | 14.3745 | 97 | -0.2 | 49 |
GU.BLANC.HHZ. | 2021-01-23T17:18:34.07 | 0.6 | undecidable | manual | S | 238 | 11.4774 | 113 | -0.56 | 43 |
GU.BLANC.HHZ. | 2021-01-23T17:18:32.32 | 0.1 | positive | manual | P | 238 | 11.4774 | 113 | 0.03 | 100 |
IV.MRGE.HHZ. | 2021-01-23T17:18:32.87 | 0.1 | negative | manual | P | 180 | 14.3745 | 97 | 0.15 | 96 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
GU.BLANC.HHN. | ML:1.2 | 0.000177 | 0.76 | AML | other | m | 2021-01-23T17:18:34.14 |
GU.BLANC.HHE. | ML:1.4 | 0.0002755 | 0.18 | AML | other | m | 2021-01-23T17:18:34.46 |
IV.MRGE.HHN. | ML:1.6 | 0.000366 | 0.32 | AML | other | m | 2021-01-23T17:18:35.37 |
IV.MRGE.HHE. | ML:1.6 | 0.0003635 | 0.06 | AML | other | m | 2021-01-23T17:18:35.34 |