A magnitude ML 1.3 (controlled explosion) earthquake occured in region: Costa Ligure centro occidentale (Savona), on
and geographic coordinates (lat, lon) 44.2650, 8.5790 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 |
---|---|---|---|---|
Celle Ligure | SV | 9 | 5237 | 5237 |
Savona | SV | 9 | 61345 | 66582 |
Albissola Marina | SV | 9 | 5487 | 72069 |
Albisola Superiore | SV | 10 | 10163 | 82232 |
Varazze | SV | 11 | 13251 | 95483 |
Bergeggi | SV | 11 | 1129 | 96612 |
Vado Ligure | SV | 11 | 8336 | 104948 |
Spotorno | SV | 13 | 3803 | 108751 |
Quiliano | SV | 14 | 7232 | 115983 |
Noli | SV | 14 | 2736 | 118719 |
Cogoleto | GE | 15 | 9172 | 127891 |
Stella | SV | 16 | 3009 | 130900 |
Arenzano | GE | 18 | 11519 | 142419 |
Vezzi Portio | SV | 18 | 809 | 143228 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.3 | 2020-08-26 10:15:27 |
44.2647 | 8.5787 | 0 | 2020-11-19 12:37:06 |
Bollettino Sismico Italiano INGV | 84259671 |
Reviewed Rev100 |
ML 1.5 | 2020-08-26 10:15:27 |
44.2607 | 8.5692 | 2 | 2020-08-26 10:32:18 |
Sala Sismica INGV-Roma | 82345001 |
Field | Value |
---|---|
Time (UTC) | 2020-08-26 10:15:27 ± 0.19 |
Latitude | 44.2647 ± 0.0144 |
Longitude | 8.5787 ± 0.0151 |
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 | 84259671 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1860 |
Semi-minor axis of confidence ellipse (meter) | 840 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 327 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1860.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 179 |
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) | 0.36 |
Epicentral distance of station closest to the epicenter (degree) | 0.17717 |
Epicentral distance of station farthest from the epicenter (degree) | 1.09717 |
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 | 1.3 |
Uncertainty | 0.2 |
Num. used stations | 16 |
Type of magnitude | ML |
Reference to an origin | 84259671 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2020-11-10 12:12:28 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | 0.1 |
Num. used stations | 18 |
Type of magnitude | ML |
Reference to an origin | 82345001 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-08-26 10:32:18 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.PZZ.HHZ. | 2020-08-26T10:15:48.57 | 0.3 | undecidable | manual | P | 284 | 118.992 | 50 | 0.1 | 65 |
GU.BHB.HHZ. | 2020-08-26T10:15:48.85 | 0.3 | undecidable | manual | P | 302 | 121.7892 | 50 | -0.04 | 65 |
GU.STV.HHZ. | 2020-08-26T10:15:45.83 | 0.6 | undecidable | manual | P | 269 | 99.5226 | 50 | 0.36 | 42 |
IV.BOB.HHE. | 2020-08-26T10:15:44.48 | 0.3 | undecidable | manual | P | 51 | 88.5447 | 50 | 0.7 | 58 |
FR.SAOF.HHZ.00 | 2020-08-26T10:15:43.54 | 0.6 | undecidable | manual | P | 250 | 87.3459 | 50 | -0.04 | 46 |
GU.ENR.HHZ. | 2020-08-26T10:15:43.72 | 0.6 | undecidable | manual | P | 268 | 92.1411 | 50 | -0.61 | 40 |
IV.IMI.HHZ. | 2020-08-26T10:15:40.51 | 0.1 | undecidable | manual | P | 235 | 67.2771 | 50 | 0.02 | 97 |
GU.ROTM.HHZ. | 2020-08-26T10:15:40.39 | 0.6 | undecidable | manual | P | 345 | 67.2771 | 50 | -0.1 | 48 |
GU.GORR.HHE. | 2020-08-26T10:15:40.08 | 0.3 | undecidable | manual | P | 56 | 68.1762 | 50 | -0.55 | 65 |
GU.MGRO.HHZ. | 2020-08-26T10:15:39.94 | 0.1 | undecidable | manual | P | 248 | 66.0894 | 50 | -0.37 | 91 |
GU.GBOS.HHE. | 2020-08-26T10:15:38.30 | 0.1 | undecidable | manual | P | 268 | 58.7967 | 90 | -0.77 | 80 |
GU.RORO.HHZ. | 2020-08-26T10:15:36.22 | 0.1 | undecidable | manual | P | 248 | 44.1225 | 90 | 0.08 | 100 |
GU.RNCA.HHZ. | 2020-08-26T10:15:34.95 | 0.3 | undecidable | manual | P | 52 | 37.4292 | 90 | 0.16 | 75 |
GU.PCP.HHZ. | 2020-08-26T10:15:33.26 | 0.1 | positive | manual | P | 355 | 30.8469 | 90 | -0.21 | 100 |
GU.CANO.HHZ. | 2020-08-26T10:15:33.47 | 0.1 | undecidable | manual | P | 257 | 27.8499 | 90 | 0.59 | 91 |
IV.QLNO.HHZ. | 2020-08-26T10:15:31.71 | 0.1 | positive | manual | P | 290 | 19.6692 | 90 | 0.48 | 96 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.QLNO.HHN. | ML:1.3 | 0.0001665294 | 0.1856 | AML | other | m | 2020-08-26T10:15:34.97 |
IV.QLNO.HHE. | ML:1.2 | 0.0001410318 | 0.1792 | AML | other | m | 2020-08-26T10:15:36.37 |
GU.PCP.HHE. | ML:1.2 | 0.000081950725 | 0.1024 | AML | other | m | 2020-08-26T10:15:37.47 |
GU.CANO.HHE. | ML:1.6 | 0.0002107404 | 0.2944 | AML | other | m | 2020-08-26T10:15:38.47 |
GU.CANO.HHN. | ML:1.6 | 0.000203438 | 0.2176 | AML | other | m | 2020-08-26T10:15:41.87 |
GU.RNCA.HHE. | ML:0.9 | 0.00002979824 | 0.1024 | AML | other | m | 2020-08-26T10:15:42.30 |
GU.RNCA.HHN. | ML:0.9 | 0.000030174704999999998 | 0.1408 | AML | other | m | 2020-08-26T10:15:42.44 |
GU.MGRO.HHN. | ML:1.0 | 0.00001978538 | 0.2432 | AML | other | m | 2020-08-26T10:15:49.05 |
GU.MGRO.HHE. | ML:1.2 | 0.0000289738 | 0.2368 | AML | other | m | 2020-08-26T10:15:51.23 |
GU.MGRO.HNN. | ML:1.3 | 0.000042334444999999995 | 0.3392 | AML | other | m | 2020-08-26T10:15:55.82 |
GU.ENR.HHE. | ML:1.4 | 0.000030309075 | 0.2368 | AML | other | m | 2020-08-26T10:15:58.90 |
GU.ENR.HHN. | ML:1.6 | 0.000042478375 | 0.3648 | AML | other | m | 2020-08-26T10:15:59.34 |
GU.STV.HHN. | ML:1.4 | 0.000023152805 | 0.4032 | AML | other | m | 2020-08-26T10:16:00.18 |
GU.STV.HHE. | ML:1.2 | 0.000015032905 | 0.1984 | AML | other | m | 2020-08-26T10:16:03.11 |
GU.PZZ.HHE. | ML:1.6 | 0.00002834145 | 0.3584 | AML | other | m | 2020-08-26T10:16:06.05 |
GU.PZZ.HHN. | ML:1.7 | 0.000035600285 | 0.4608 | AML | other | m | 2020-08-26T10:16:07.14 |