A magnitude ML 1.6 (controlled explosion) earthquake occured in region: Costa Francese (FRANCIA), on
and geographic coordinates (lat, lon) 43.4670, 7.0740 at 0 km depth.
The earthquake was located by: Bollettino Sismico Italiano INGV.
Event type: controlled explosion.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.
No Italian municipalities within 20 km distance.
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.6 | 2020-09-18 15:40:53 |
43.4673 | 7.0735 | 1 | 2021-02-26 14:56:20 |
Bollettino Sismico Italiano INGV | 87376041 |
Reviewed Rev100 |
ML 1.5 | 2020-09-18 15:40:56 |
43.6038 | 7.1457 | 10 | 2020-09-18 15:52:31 |
Sala Sismica INGV-Roma | 83007411 |
Field | Value |
---|---|
Time (UTC) | 2020-09-18 15:40:53 ± 0.28 |
Latitude | 43.4673 ± 0.0126 |
Longitude | 7.0735 ± 0.0248 |
Depth (km) | 1 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | controlled explosion |
Origin ID | 87376041 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 2130 |
Semi-minor axis of confidence ellipse (meter) | 1280 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 247 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 2130.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 240 |
Number of associated phases, regardless of their use for origin computation | 14 |
Number of defining phases | 8 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.18 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 1.68083 |
Number of stations at which the event was observed | 14 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.2 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 87376041 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-02-22 12:01:40 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | 0.2 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 83007411 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-09-18 15:52:31 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.FIAM.HHZ. | 2020-09-18T15:42:54.87 | 3.0 | undecidable | manual | Sn | -1.1 | 0 | |||
IV.NOV.HHZ. | 2020-09-18T15:42:54.70 | 3.0 | negative | manual | Pn | 2.24 | 0 | |||
IV.FDMO.HHZ. | 2020-09-18T15:42:52.52 | 3.0 | undecidable | manual | Sn | 1.26 | 0 | |||
IV.PANTE.HHZ. | 2020-09-18T15:42:46.38 | 3.0 | undecidable | manual | Pn | 1.53 | 0 | |||
IV.NARO.HHZ. | 2020-09-18T15:42:07.52 | 3.0 | undecidable | manual | Pg | 12.8 | 0 | |||
IV.IMOL.HNZ. | 2020-09-18T15:41:51.39 | 3.0 | positive | manual | Pn | 3.93 | 0 | |||
RD.PGF.BHZ. | 2020-09-18T15:41:24.86 | 0.3 | undecidable | manual | P | 122 | 186.5688 | 38 | 0.03 | 55 |
GU.PZZ.HHE. | 2020-09-18T15:41:14.24 | 0.3 | undecidable | manual | P | 2 | 115.2957 | 50 | 0.35 | 66 |
GU.GBOS.HHZ. | 2020-09-18T15:41:12.32 | 0.3 | undecidable | manual | P | 35 | 105.5166 | 50 | -0.05 | 72 |
GU.STV.HHZ. | 2020-09-18T15:41:09.67 | 0.1 | undecidable | manual | P | 13 | 88.6446 | 50 | -0.09 | 98 |
GU.ENR.HHZ. | 2020-09-18T15:41:09.68 | 0.3 | undecidable | manual | P | 18 | 88.9443 | 50 | -0.13 | 73 |
GU.MGRO.HHZ. | 2020-09-18T15:41:09.51 | 0.1 | undecidable | manual | P | 42 | 86.8464 | 50 | 0.02 | 100 |
FR.SAOF.HHZ.00 | 2020-09-18T15:41:06.50 | 0.3 | undecidable | manual | P | 34 | 69.1752 | 50 | -0.27 | 74 |
GU.BURY.HNZ. | 2020-09-18T15:41:04.01 | 0.3 | undecidable | manual | P | 48 | 52.2033 | 91 | 0.21 | 77 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
GU.CANO.HHE. | ML:1.8 | 0.0000408 | 1.02 | AML | other | m | 2020-09-18T15:41:35.23 |
GU.CANO.HHN. | ML:1.4 | 0.00001775 | 1.3 | AML | other | m | 2020-09-18T15:41:47.28 |