A magnitude ML 1.6 (controlled explosion) earthquake occured in region: Costa Ligure centro orientale (Genova), on
and geographic coordinates (lat, lon) 44.3350, 8.6770 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.
Municipality | Region | Distance (km) | Inhabitants | Cumulative Inhabitants |
---|---|---|---|---|
Cogoleto | GE | 7 | 9172 | 9172 |
Arenzano | GE | 8 | 11519 | 20691 |
Varazze | SV | 8 | 13251 | 33942 |
Celle Ligure | SV | 11 | 5237 | 39179 |
Albisola Superiore | SV | 13 | 10163 | 49342 |
Mele | GE | 14 | 2725 | 52067 |
Albissola Marina | SV | 14 | 5487 | 57554 |
Savona | SV | 16 | 61345 | 118899 |
Stella | SV | 16 | 3009 | 121908 |
Urbe | SV | 18 | 700 | 122608 |
Masone | GE | 19 | 3679 | 126287 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.6 | 2020-02-07 09:18:33 |
44.3348 | 8.6772 | 0 | 2020-07-18 21:08:23 |
Bollettino Sismico Italiano INGV | 77020791 |
Reviewed Rev100 |
ML 1.8 | 2020-02-07 09:18:33 |
44.3422 | 8.6918 | 3 | 2020-02-07 09:40:56 |
Sala Sismica INGV-Roma | 76313931 |
Field | Value |
---|---|
Time (UTC) | 2020-02-07 09:18:33 ± 0.11 |
Latitude | 44.3348 ± 0.0099 |
Longitude | 8.6772 ± 0.0088 |
Depth (km) | 0 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | controlled explosion |
Origin ID | 77020791 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1180 |
Semi-minor axis of confidence ellipse (meter) | 580 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 333 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1180.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 125 |
Number of associated phases, regardless of their use for origin computation | 16 |
Number of defining phases | 16 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.29 |
Epicentral distance of station closest to the epicenter (degree) | 0.20594 |
Epicentral distance of station farthest from the epicenter (degree) | 0.97037 |
Number of stations at which the event was observed | 16 |
Number of stations from which data was used for origin computation | 16 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.2 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 77020791 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2020-03-11 10:52:56 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.3 |
Num. used stations | 26 |
Type of magnitude | ML |
Reference to an origin | 76313931 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-02-07 09:40:56 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.STV.HHN. | 2020-02-07T09:18:53.62 | 0.1 | undecidable | manual | P | 265 | 107.7144 | 50 | 0.44 | 79 |
GU.ENR.HHN. | 2020-02-07T09:18:52.01 | 0.1 | undecidable | manual | P | 264 | 100.5216 | 50 | -0.06 | 86 |
FR.SAOF.HHE.00 | 2020-02-07T09:18:51.87 | 0.3 | undecidable | manual | P | 247 | 97.4247 | 50 | 0.27 | 62 |
IV.PLMA.HHZ. | 2020-02-07T09:18:51.77 | 0.6 | undecidable | manual | P | 108 | 98.7234 | 50 | -0.03 | 44 |
IV.IMI.HHZ. | 2020-02-07T09:18:48.42 | 0.3 | undecidable | manual | P | 233 | 78.1662 | 50 | -0.21 | 66 |
IV.BOB.HNE. | 2020-02-07T09:18:48.32 | 0.3 | undecidable | manual | P | 51 | 77.5668 | 50 | -0.22 | 66 |
GU.GBOS.HHZ. | 2020-02-07T09:18:46.51 | 0.6 | undecidable | manual | P | 261 | 67.2771 | 50 | -0.44 | 43 |
GU.ROTM.HHZ. | 2020-02-07T09:18:46.17 | 0.1 | undecidable | manual | P | 336 | 62.5929 | 50 | -0.05 | 93 |
GU.GORR.HHZ. | 2020-02-07T09:18:44.68 | 0.3 | undecidable | manual | P | 58 | 57.2982 | 90 | -0.56 | 63 |
GU.RORO.HHZ. | 2020-02-07T09:18:44.16 | 0.1 | undecidable | manual | P | 243 | 54.501 | 90 | -0.51 | 86 |
GU.CANO.HHZ. | 2020-02-07T09:18:41.41 | 0.1 | positive | manual | P | 248 | 37.7289 | 90 | 0.1 | 96 |
IT.ACQ.HGZ. | 2020-02-07T09:18:41.88 | 0.6 | undecidable | manual | P | 336 | 42.1245 | 90 | -0.32 | 46 |
IV.QLNO.HHZ. | 2020-02-07T09:18:39.41 | 0.1 | positive | manual | P | 268 | 26.3514 | 90 | 0.38 | 93 |
GU.RNCA.HHE. | 2020-02-07T09:18:39.29 | 0.1 | undecidable | manual | P | 55 | 26.4513 | 90 | 0.23 | 96 |
IT.GNV.HGE. | 2020-02-07T09:18:38.84 | 0.3 | undecidable | manual | P | 62 | 22.8549 | 90 | 0.5 | 68 |
GU.PCP.HHZ. | 2020-02-07T09:18:38.76 | 0.1 | positive | manual | P | 336 | 25.1526 | 90 | -0.04 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
GU.PCP.HHN. | ML:1.4 | 0.0001587965 | 0.16 | AML | other | m | 2020-02-07T09:18:42.62 |
GU.PCP.HHE. | ML:1.6 | 0.00025660775000000004 | 0.2816 | AML | other | m | 2020-02-07T09:18:43.40 |
GU.CANO.HHE. | ML:1.7 | 0.00019514715 | 0.8384 | AML | other | m | 2020-02-07T09:18:48.62 |
GU.CANO.HHN. | ML:1.6 | 0.00014187290000000004 | 0.2368 | AML | other | m | 2020-02-07T09:18:48.65 |
GU.RORO.HHN. | ML:1.4 | 0.000056163715 | 0.4416 | AML | other | m | 2020-02-07T09:18:52.85 |
GU.RORO.HHE. | ML:1.9 | 0.00017612866499999998 | 0.9216 | AML | other | m | 2020-02-07T09:18:54.09 |
IV.IMI.HHN. | ML:1.7 | 0.000067814605 | 0.3392 | AML | other | m | 2020-02-07T09:19:02.21 |
IV.IMI.HHE. | ML:1.4 | 0.000040450345 | 0.2752 | AML | other | m | 2020-02-07T09:19:03.45 |