A magnitude ML 1.8 earthquake occured in region: Costa Ligure centro occidentale (Savona), on
and geographic coordinates (lat, lon) 44.0450, 8.6710 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.
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 1.8 | 2017-12-13 12:45:18 |
44.0453 | 8.6707 | 11 | 2018-09-04 09:10:40 |
Bollettino Sismico Italiano INGV | 53154251 |
Reviewed Rev100 |
ML 1.9 | 2017-12-13 12:45:17 |
44.0102 | 8.6877 | 10 | 2017-12-13 12:50:47 |
Sala Sismica INGV-Roma | 52570431 |
Field | Value |
---|---|
Time (UTC) | 2017-12-13 12:45:18 ± 0.13 |
Latitude | 44.0453 ± 0.0090 |
Longitude | 8.6707 ± 0.0088 |
Depth (km) | 11 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 53154251 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1040 |
Semi-minor axis of confidence ellipse (meter) | 620 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 343 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1040.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 105 |
Number of associated phases, regardless of their use for origin computation | 15 |
Number of defining phases | 15 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.23 |
Epicentral distance of station closest to the epicenter (degree) | 0.35074 |
Epicentral distance of station farthest from the epicenter (degree) | 1.51536 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 11 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.2 |
Num. used stations | 5 |
Type of magnitude | ML |
Reference to an origin | 53154251 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2018-08-27 14:08:30 |
Field | Value |
---|---|
Value | 1.9 |
Uncertainty | 0.1 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 52570431 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2017-12-13 12:50:47 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
RD.PGF.BHZ. | 2017-12-13T12:45:45.91 | 0.6 | undecidable | manual | P | 171 | 168.2094 | 50 | 0.41 | 35 |
GU.PZZ.HHZ. | 2017-12-13T12:45:40.56 | 0.3 | undecidable | manual | P | 293 | 133.6662 | 50 | 0.38 | 60 |
GU.GBOS.HHZ. | 2017-12-13T12:45:39.80 | 0.6 | undecidable | manual | S | 289 | 69.5748 | 50 | 0.56 | 43 |
GU.PCP.HHZ. | 2017-12-13T12:45:35.82 | 0.6 | undecidable | manual | S | 350 | 55.8996 | 50 | 0.24 | 48 |
GU.RORO.HHZ. | 2017-12-13T12:45:33.68 | 0.6 | undecidable | manual | S | 279 | 48.7179 | 50 | 0.01 | 51 |
FR.SAOF.HHE.00 | 2017-12-13T12:45:33.60 | 0.3 | undecidable | manual | P | 266 | 89.4438 | 50 | 0.24 | 68 |
GU.GORR.HHN. | 2017-12-13T12:45:31.93 | 0.1 | undecidable | manual | P | 38 | 79.4649 | 50 | 0.1 | 95 |
IV.MSSA.HHZ. | 2017-12-13T12:45:30.56 | 0.3 | undecidable | manual | P | 66 | 73.7706 | 50 | -0.39 | 68 |
GU.GBOS.HHZ. | 2017-12-13T12:45:30.23 | 0.1 | undecidable | manual | P | 289 | 69.5748 | 50 | -0.08 | 97 |
GU.CANO.HHZ. | 2017-12-13T12:45:30.70 | 0.6 | undecidable | manual | S | 298 | 38.9277 | 50 | -0.35 | 49 |
IV.IMI.HHZ. | 2017-12-13T12:45:29.37 | 0.3 | undecidable | manual | P | 257 | 63.7917 | 50 | -0.05 | 74 |
GU.PCP.HHZ. | 2017-12-13T12:45:28.07 | 0.1 | undecidable | manual | P | 350 | 55.8996 | 50 | -0.13 | 99 |
GU.RNCA.HHE. | 2017-12-13T12:45:27.86 | 0.1 | undecidable | manual | P | 25 | 52.2033 | 50 | 0.23 | 97 |
GU.RORO.HHZ. | 2017-12-13T12:45:26.77 | 0.1 | undecidable | manual | P | 279 | 48.7179 | 50 | -0.32 | 96 |
GU.CANO.HHZ. | 2017-12-13T12:45:25.37 | 0.1 | undecidable | manual | P | 298 | 38.9277 | 50 | -0.21 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
GU.CANO.HHN. | ML:1.7 | 0.0001777374 | 0.2368 | AML | other | m | 2017-12-13T12:45:31.71 |
GU.RORO.HHE. | ML:2.1 | 0.0003115 | 0.96 | AML | other | m | 2017-12-13T12:45:34.27 |
GU.RORO.HHN. | ML:1.9 | 0.00019260065 | 0.1216 | AML | other | m | 2017-12-13T12:45:34.57 |
GU.GBOS.HHN. | ML:1.8 | 0.00010375000000000001 | 0.52 | AML | other | m | 2017-12-13T12:45:40.46 |
GU.GBOS.HHE. | ML:1.7 | 0.0000776 | 1.06 | AML | other | m | 2017-12-13T12:45:40.86 |