A magnitude ML 1.5 earthquake occured in region: V3 Monte Bianco (ITALIA, FRANCIA, SVIZZERA), on
and geographic coordinates (lat, lon) 45.9200, 6.9520 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 | 14 | 2807 | 2807 |
Pré-Saint-Didier | AO | 18 | 1050 | 3857 |
Morgex | AO | 19 | 2104 | 5961 |
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 | 2023-04-11 00:46:14 |
45.9197 | 6.9517 | 10 | 2024-03-01 17:18:07 |
Bollettino Sismico Italiano INGV | 117191071 |
Reviewed Rev100 |
ML 1.6 | 2023-04-11 00:46:14 |
45.9442 | 6.9975 | 10 | 2023-04-11 00:55:24 |
Sala Sismica INGV-Roma | 116265461 |
Field | Value |
---|---|
Time (UTC) | 2023-04-11 00:46:14 ± 0.13 |
Latitude | 45.9197 ± 0.0072 |
Longitude | 6.9517 ± 0.0090 |
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 | 117191071 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 813 |
Semi-minor axis of confidence ellipse (meter) | 676 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 197 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 810.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 106 |
Number of associated phases, regardless of their use for origin computation | 19 |
Number of defining phases | 19 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.3 |
Epicentral distance of station closest to the epicenter (degree) | 0.07644 |
Epicentral distance of station farthest from the epicenter (degree) | 1.41733 |
Number of stations at which the event was observed | 12 |
Number of stations from which data was used for origin computation | 12 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.2 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 116265461 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-04-11 00:55:24 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | 0.2 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 117191071 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2023-05-09 16:40:16 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.PZZ.HHZ. | 2023-04-11T00:46:40.28 | 0.1 | undecidable | manual | P | 175 | 157.3203 | 50 | 0.33 | 70 |
CH.GIMEL.HHZ. | 2023-04-11T00:46:39.80 | 0.3 | undecidable | manual | S | 323 | 86.0472 | 50 | -0.06 | 66 |
RD.ORIF.BHE. | 2023-04-11T00:46:37.15 | 0.1 | undecidable | manual | P | 217 | 138.9609 | 50 | 0.03 | 79 |
GU.TRAV.HHZ. | 2023-04-11T00:46:36.88 | 0.3 | undecidable | manual | S | 126 | 76.368 | 50 | -0.38 | 63 |
GU.BHB.HHZ. | 2023-04-11T00:46:35.28 | 0.1 | undecidable | manual | P | 168 | 122.6883 | 50 | 0.67 | 70 |
GU.CIRO.HHZ. | 2023-04-11T00:46:32.36 | 0.3 | undecidable | manual | S | 126 | 59.2962 | 50 | -0.36 | 65 |
MN.BNI.HHN. | 2023-04-11T00:46:30.77 | 0.3 | undecidable | manual | P | 193 | 98.5236 | 50 | -0.13 | 63 |
CH.GIMEL.HHZ. | 2023-04-11T00:46:29.28 | 0.6 | positive | manual | P | 323 | 86.0472 | 50 | 0.31 | 42 |
GU.TRAV.HHZ. | 2023-04-11T00:46:27.82 | 0.3 | negative | manual | P | 126 | 76.368 | 50 | 0.35 | 63 |
CH.DIX.HHN. | 2023-04-11T00:46:26.89 | 0.3 | undecidable | manual | S | 63 | 39.4272 | 50 | -0.52 | 65 |
GU.CIRO.HHZ. | 2023-04-11T00:46:24.95 | 0.6 | negative | manual | P | 126 | 59.2962 | 50 | 0.1 | 46 |
GU.LSD.HHZ. | 2023-04-11T00:46:23.78 | 0.1 | positive | manual | P | 164 | 52.9026 | 50 | -0.09 | 93 |
IV.MRGE.HHZ. | 2023-04-11T00:46:21.25 | 0.1 | undecidable | manual | S | 153 | 18.6702 | 117 | -0.13 | 98 |
CH.DIX.HHN. | 2023-04-11T00:46:21.74 | 0.1 | undecidable | manual | P | 63 | 39.4272 | 50 | -0.04 | 96 |
GU.REMY.HHZ. | 2023-04-11T00:46:21.64 | 0.1 | undecidable | manual | S | 120 | 18.2706 | 118 | 0.38 | 93 |
GU.REMY.HHZ. | 2023-04-11T00:46:18.56 | 0.1 | undecidable | manual | P | 120 | 18.2706 | 118 | 0.33 | 94 |
IV.MRGE.HHZ. | 2023-04-11T00:46:18.33 | 0.1 | undecidable | manual | P | 153 | 18.6702 | 117 | 0.03 | 100 |
GU.BLANC.HHZ. | 2023-04-11T00:46:17.92 | 0.3 | undecidable | manual | S | 189 | 8.4804 | 139 | -0.62 | 66 |
GU.BLANC.HHZ. | 2023-04-11T00:46:16.45 | 0.1 | undecidable | manual | P | 189 | 8.4804 | 139 | -0.22 | 98 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
GU.LSD.HHE. | ML:1.4 | 0.0000618 | 0.72 | AML | other | m | 2023-04-11T00:46:30.56 |
GU.LSD.HHN. | ML:1.2 | 0.0000419 | 0.6 | AML | other | m | 2023-04-11T00:46:30.26 |
GU.CIRO.HHE. | ML:1.3 | 0.00004495 | 0.24 | AML | other | m | 2023-04-11T00:46:32.44 |
GU.CIRO.HHN. | ML:1.6 | 0.00007255 | 0.24 | AML | other | m | 2023-04-11T00:46:32.45 |
GU.TRAV.HHN. | ML:1.7 | 0.000073 | 0.68 | AML | other | m | 2023-04-11T00:46:38.44 |
GU.TRAV.HHE. | ML:1.6 | 0.0000557 | 0.78 | AML | other | m | 2023-04-11T00:46:38.89 |
RD.ORIF.BHN. | ML:1.6 | 0.00002305 | 1.44 | AML | other | m | 2023-04-11T00:46:56.80 |
RD.ORIF.BHE. | ML:1.6 | 0.0000264 | 0.44 | AML | other | m | 2023-04-11T00:46:59.58 |