A magnitude ML 2.1 earthquake occured in region: Costa Ligure centro occidentale (Savona), on
and geographic coordinates (lat, lon) 44.0030, 8.5720 at 12 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 2.1 | 2018-02-21 20:23:59 |
44.003 | 8.5722 | 12 | 2019-04-24 14:49:40 |
Bollettino Sismico Italiano INGV | 59071961 |
Reviewed Rev100 |
ML 2.1 | 2018-02-21 20:24:00 |
44.0357 | 8.5545 | 10 | 2018-02-21 20:32:37 |
Sala Sismica INGV-Roma | 54070641 |
Field | Value |
---|---|
Time (UTC) | 2018-02-21 20:23:59 ± 0.12 |
Latitude | 44.0030 ± 0.0054 |
Longitude | 8.5722 ± 0.0063 |
Depth (km) | 12 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 59071961 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 526 |
Semi-minor axis of confidence ellipse (meter) | 261 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 206 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 530.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 133 |
Number of associated phases, regardless of their use for origin computation | 31 |
Number of defining phases | 31 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.35 |
Epicentral distance of station closest to the epicenter (degree) | 0.31566 |
Epicentral distance of station farthest from the epicenter (degree) | 1.47489 |
Number of stations at which the event was observed | 19 |
Number of stations from which data was used for origin computation | 19 |
Field | Value |
---|---|
Value | 2.1 |
Uncertainty | 0.2 |
Num. used stations | 24 |
Type of magnitude | ML |
Reference to an origin | 59071961 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2019-01-29 02:10:00 |
Field | Value |
---|---|
Value | 2.1 |
Uncertainty | 0.2 |
Num. used stations | 22 |
Type of magnitude | ML |
Reference to an origin | 54070641 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2018-02-21 20:32:37 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.BHB.HHZ. | 2018-02-21T20:24:39.75 | 0.6 | undecidable | manual | S | 312 | 138.861 | 90 | 0.31 | 43 |
GU.PZZ.HHZ. | 2018-02-21T20:24:37.30 | 0.6 | undecidable | manual | S | 296 | 128.4714 | 90 | 0.62 | 41 |
GU.GRAM.HHZ. | 2018-02-21T20:24:37.60 | 0.6 | undecidable | manual | S | 65 | 130.4694 | 90 | 0.39 | 43 |
GU.EQUI.HHZ. | 2018-02-21T20:24:36.00 | 0.6 | undecidable | manual | S | 81 | 127.2726 | 90 | -0.35 | 41 |
GU.STV.HHZ. | 2018-02-21T20:24:30.10 | 0.6 | undecidable | manual | S | 286 | 102.8193 | 90 | 0.27 | 47 |
GU.RSP.HHZ. | 2018-02-21T20:24:27.04 | 0.6 | undecidable | manual | P | 321 | 163.7139 | 90 | 0.46 | 38 |
GU.GORR.HHN. | 2018-02-21T20:24:26.20 | 0.6 | undecidable | manual | S | 40 | 88.1451 | 90 | 0.3 | 48 |
GU.BURY.HHZ. | 2018-02-21T20:24:25.00 | 0.3 | undecidable | manual | S | 254 | 84.7485 | 90 | -0.01 | 72 |
MN.VLC.HHZ. | 2018-02-21T20:24:24.06 | 0.6 | undecidable | manual | P | 83 | 145.6431 | 90 | 0.27 | 43 |
GU.BHB.HHZ. | 2018-02-21T20:24:23.26 | 0.3 | undecidable | manual | P | 312 | 138.861 | 90 | 0.51 | 62 |
IV.MONC.HHN. | 2018-02-21T20:24:22.45 | 0.6 | undecidable | manual | P | 337 | 129.2706 | 90 | 1.18 | 33 |
GU.PZZ.HHZ. | 2018-02-21T20:24:21.33 | 0.6 | undecidable | manual | P | 296 | 128.4714 | 90 | 0.18 | 45 |
GU.GRAM.HHZ. | 2018-02-21T20:24:21.42 | 0.6 | undecidable | manual | P | 65 | 130.4694 | 90 | -0.03 | 44 |
IV.GROG.HHN. | 2018-02-21T20:24:20.17 | 0.6 | undecidable | manual | P | 121 | 123.6873 | 90 | -0.24 | 42 |
GU.GBOS.HHZ. | 2018-02-21T20:24:19.00 | 0.3 | undecidable | manual | S | 295 | 63.9915 | 91 | -0.48 | 67 |
GU.EQUI.HHZ. | 2018-02-21T20:24:19.78 | 0.3 | undecidable | manual | P | 81 | 127.2726 | 90 | -1.18 | 42 |
IV.BOB.HNE. | 2018-02-21T20:24:19.25 | 0.6 | undecidable | manual | P | 39 | 109.6125 | 90 | 1.01 | 37 |
GU.PCP.HHZ. | 2018-02-21T20:24:18.00 | 0.3 | undecidable | manual | S | 358 | 59.7957 | 91 | -0.34 | 71 |
IV.IMI.HHZ. | 2018-02-21T20:24:17.60 | 0.3 | undecidable | manual | S | 260 | 55.2003 | 91 | 0.48 | 74 |
GU.STV.HHZ. | 2018-02-21T20:24:17.50 | 0.3 | undecidable | manual | P | 286 | 102.8193 | 90 | 0.31 | 70 |
GU.ROTM.HHZ. | 2018-02-21T20:24:16.49 | 0.6 | undecidable | manual | P | 350 | 95.4378 | 90 | 0.43 | 46 |
GU.GORR.HHN. | 2018-02-21T20:24:15.30 | 0.3 | undecidable | manual | P | 40 | 88.1451 | 90 | 0.37 | 71 |
GU.BURY.HHZ. | 2018-02-21T20:24:14.86 | 0.6 | undecidable | manual | P | 254 | 84.7485 | 90 | 0.45 | 47 |
GU.RORO.HHZ. | 2018-02-21T20:24:13.00 | 0.3 | undecidable | manual | S | 287 | 42.1245 | 91 | -0.63 | 66 |
GU.GBOS.HHZ. | 2018-02-21T20:24:11.07 | 0.1 | negative | manual | P | 295 | 63.9915 | 91 | -0.15 | 98 |
GU.CANO.HHZ. | 2018-02-21T20:24:11.10 | 0.3 | undecidable | manual | S | 310 | 35.0427 | 91 | -0.63 | 66 |
GU.PCP.HHZ. | 2018-02-21T20:24:10.09 | 0.1 | undecidable | manual | P | 358 | 59.7957 | 91 | -0.46 | 91 |
GU.RNCA.HHE. | 2018-02-21T20:24:10.59 | 0.3 | undecidable | manual | P | 30 | 59.9955 | 91 | -0.01 | 76 |
IV.IMI.HHZ. | 2018-02-21T20:24:09.73 | 0.1 | undecidable | manual | P | 260 | 55.2003 | 91 | -0.13 | 100 |
GU.RORO.HHZ. | 2018-02-21T20:24:07.61 | 0.1 | negative | manual | P | 287 | 42.1245 | 91 | -0.23 | 100 |
GU.CANO.HHZ. | 2018-02-21T20:24:06.38 | 0.1 | negative | manual | P | 310 | 35.0427 | 91 | -0.36 | 98 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
GU.CANO.HHN. | ML:2.0 | 0.00043997345 | 0.1152 | AML | other | m | 2018-02-21T20:24:12.29 |
GU.CANO.HHE. | ML:2.0 | 0.00039700575 | 0.2176 | AML | other | m | 2018-02-21T20:24:13.38 |
GU.RORO.HHE. | ML:2.4 | 0.00092929595 | 0.1152 | AML | other | m | 2018-02-21T20:24:14.86 |
GU.RORO.HHN. | ML:2.4 | 0.0008612942500000001 | 0.1152 | AML | other | m | 2018-02-21T20:24:14.92 |
IV.IMI.HHN. | ML:2.5 | 0.0007010972 | 1.7824 | AML | other | m | 2018-02-21T20:24:18.10 |
IV.IMI.HHE. | ML:2.3 | 0.00052017395 | 1.744 | AML | other | m | 2018-02-21T20:24:19.98 |
GU.PCP.HHN. | ML:1.9 | 0.000156215145 | 0.2304 | AML | other | m | 2018-02-21T20:24:19.85 |
GU.GBOS.HHE. | ML:1.7 | 0.00008720520500000001 | 0.1152 | AML | other | m | 2018-02-21T20:24:20.19 |
GU.PCP.HHE. | ML:1.9 | 0.000180738 | 0.1536 | AML | other | m | 2018-02-21T20:24:20.25 |
GU.GBOS.HHN. | ML:1.9 | 0.00014037585 | 2.7136 | AML | other | m | 2018-02-21T20:24:20.68 |
FR.SAOF.HHN.00 | ML:2.0 | 0.00014899215 | 0.8704 | AML | other | m | 2018-02-21T20:24:25.32 |
GU.BURY.HHE. | ML:2.0 | 0.0001319907 | 0.448 | AML | other | m | 2018-02-21T20:24:25.64 |
FR.SAOF.HHE.00 | ML:2.1 | 0.00015938012500000002 | 0.1664 | AML | other | m | 2018-02-21T20:24:26.52 |
GU.BURY.HHN. | ML:2.2 | 0.0001871291 | 0.2176 | AML | other | m | 2018-02-21T20:24:28.24 |
GU.STV.HHE. | ML:2.1 | 0.00010848012499999998 | 1.744 | AML | other | m | 2018-02-21T20:24:31.04 |
GU.ROTM.HHE. | ML:2.4 | 0.00028218054999999996 | 0.3712 | AML | other | m | 2018-02-21T20:24:31.75 |
GU.ROTM.HHN. | ML:2.5 | 0.00034653924999999996 | 1.7056 | AML | other | m | 2018-02-21T20:24:31.85 |
GU.STV.HHN. | ML:2.1 | 0.00011195837 | 0.2432 | AML | other | m | 2018-02-21T20:24:33.38 |
GU.EQUI.HHN. | ML:2.0 | 0.00006910203 | 2.8928 | AML | other | m | 2018-02-21T20:24:37.33 |
GU.EQUI.HHE. | ML:2.0 | 0.00007213348999999999 | 1.3952 | AML | other | m | 2018-02-21T20:24:38.62 |
GU.PZZ.HHN. | ML:2.3 | 0.00012269480000000002 | 0.2688 | AML | other | m | 2018-02-21T20:24:39.78 |
GU.BHB.HHN. | ML:2.0 | 0.00005890599000000001 | 0.1792 | AML | other | m | 2018-02-21T20:24:40.52 |
GU.BHB.HHE. | ML:2.0 | 0.00005919177 | 0.2176 | AML | other | m | 2018-02-21T20:24:40.42 |
GU.PZZ.HHE. | ML:2.2 | 0.00011262055 | 0.3968 | AML | other | m | 2018-02-21T20:24:41.71 |