A magnitude ML 1.2 earthquake occured in region: Costa Ligure centro occidentale (Savona), on
and geographic coordinates (lat, lon) 43.8570, 8.2810 at 8 km depth.
The earthquake was located by: Sala Sismica INGV-Roma.
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 |
---|---|---|---|---|
Cervo | IM | 15 | 1187 | 1187 |
Andora | SV | 16 | 7552 | 8739 |
San Bartolomeo al Mare | IM | 16 | 3129 | 11868 |
Laigueglia | SV | 16 | 1810 | 13678 |
Diano Marina | IM | 17 | 5977 | 19655 |
Diano Castello | IM | 19 | 2214 | 21869 |
Diano San Pietro | IM | 19 | 1145 | 23014 |
Alassio | SV | 19 | 10934 | 33948 |
Villa Faraldi | IM | 20 | 444 | 34392 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.2 | 2021-10-04 12:10:27 |
43.8573 | 8.281 | 8 | 2021-10-04 12:34:48 |
Sala Sismica INGV-Roma | 96204911 |
Field | Value |
---|---|
Time (UTC) | 2021-10-04 12:10:27 ± 0.36 |
Latitude | 43.8573 ± 0.0144 |
Longitude | 8.2810 ± 0.0162 |
Depth (km) | 8 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 96204911 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1808 |
Semi-minor axis of confidence ellipse (meter) | 785 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 148 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1810.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 275 |
Number of associated phases, regardless of their use for origin computation | 41 |
Number of defining phases | 20 |
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) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 1.05760 |
Number of stations at which the event was observed | 29 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.2 |
Num. used stations | 13 |
Type of magnitude | ML |
Reference to an origin | 96204911 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-10-04 12:34:48 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.TDS.HHZ. | 2021-10-04T12:12:28.39 | 3.0 | positive | manual | Pn | 4.1 | 0 | |||
IV.SRES.HHZ. | 2021-10-04T12:12:25.85 | 3.0 | undecidable | manual | Sg | 7.93 | 0 | |||
IV.ICAI.EHZ. | 2021-10-04T12:12:06.54 | 3.0 | positive | manual | Pg | 10.99 | 0 | |||
IV.PE3.EHZ. | 2021-10-04T12:12:05.18 | 3.0 | undecidable | manual | Sn | 0.59 | 0 | |||
ST.ZIAN.EHZ. | 2021-10-04T12:12:03.69 | 3.0 | undecidable | manual | Sn | -0.46 | 0 | |||
OT.OT17.EHZ. | 2021-10-04T12:12:00.96 | 3.0 | positive | manual | Pn | 0.49 | 0 | |||
IV.IMOL.HNZ. | 2021-10-04T12:11:57.96 | 3.0 | undecidable | manual | Sg | 7.84 | 0 | |||
IV.TST02.HHZ. | 2021-10-04T12:11:53.89 | 3.0 | undecidable | manual | Pn | 4.32 | 0 | |||
IV.VIVA.HHZ. | 2021-10-04T12:11:48.16 | 3.0 | positive | manual | Pg | 11.02 | 0 | |||
IV.LPEL.HHZ. | 2021-10-04T12:11:45.72 | 3.0 | negative | manual | Pn | -1.63 | 0 | |||
IV.FIR.HHZ. | 2021-10-04T12:11:43.12 | 3.0 | undecidable | manual | Sg | 0.51 | 0 | |||
IV.GIUL.HHZ. | 2021-10-04T12:11:41.57 | 3.0 | positive | manual | Pn | -1.15 | 0 | |||
IV.SRES.HHZ. | 2021-10-04T12:11:33.00 | 3.0 | undecidable | manual | Pn | 1.83 | 0 | |||
IV.BULT.EHZ. | 2021-10-04T12:11:23.41 | 3.0 | undecidable | manual | Pn | -6.67 | 0 | |||
GU.GRAM.HHZ. | 2021-10-04T12:11:18.35 | 3.0 | undecidable | manual | S | -2.9 | 0 | |||
IV.RIBO.EHZ.01 | 2021-10-04T12:11:15.55 | 3.0 | positive | manual | Pg | 2.15 | 0 | |||
IV.OPPE.HHZ. | 2021-10-04T12:11:15.14 | 3.0 | undecidable | manual | Pg | 1.96 | 0 | |||
IV.FERS.EHZ. | 2021-10-04T12:11:14.28 | 3.0 | positive | manual | Pn | -0.4 | 0 | |||
IV.SARZ.HHZ. | 2021-10-04T12:11:03.12 | 3.0 | undecidable | manual | S | -2.77 | 0 | |||
GU.PZZ.HHE. | 2021-10-04T12:11:02.14 | 1.0 | undecidable | manual | S | 308 | 117.3936 | 50 | 0.24 | 21 |
GU.MSSA.HHZ. | 2021-10-04T12:11:01.64 | 3.0 | undecidable | manual | S | 0 | ||||
GU.MSSA.HHZ. | 2021-10-04T12:10:56.93 | 3.0 | undecidable | manual | P | 0 | ||||
GU.STV.HHZ. | 2021-10-04T12:10:53.05 | 0.6 | undecidable | manual | S | 300 | 87.4458 | 50 | -0.85 | 36 |
GU.ENR.HHZ. | 2021-10-04T12:10:51.81 | 0.6 | undecidable | manual | S | 301 | 80.2641 | 50 | -0.17 | 45 |
GU.PZZ.HHE. | 2021-10-04T12:10:48.06 | 0.1 | undecidable | manual | P | 308 | 117.3936 | 50 | 0.71 | 72 |
FR.SAOF.HHE.00 | 2021-10-04T12:10:46.40 | 0.3 | undecidable | manual | S | 284 | 59.8956 | 50 | -0.16 | 71 |
GU.GBOS.HHZ. | 2021-10-04T12:10:45.71 | 0.3 | undecidable | manual | S | 321 | 55.3002 | 50 | 0.39 | 68 |
GU.STV.HHZ. | 2021-10-04T12:10:43.00 | 0.3 | undecidable | manual | P | 300 | 87.4458 | 50 | 0.27 | 66 |
IV.QLNO.HHZ. | 2021-10-04T12:10:43.93 | 0.3 | undecidable | manual | S | 6 | 52.0035 | 50 | -0.53 | 66 |
GU.MGRO.HHZ. | 2021-10-04T12:10:42.09 | 0.3 | undecidable | manual | S | 299 | 43.0236 | 50 | 0.05 | 75 |
GU.CANO.HHZ. | 2021-10-04T12:10:41.24 | 0.3 | undecidable | manual | S | 355 | 39.0276 | 50 | 0.26 | 72 |
GU.ENR.HHZ. | 2021-10-04T12:10:41.43 | 0.6 | undecidable | manual | P | 301 | 80.2641 | 50 | -0.19 | 45 |
GU.RORO.HHZ. | 2021-10-04T12:10:39.50 | 0.6 | undecidable | manual | S | 329 | 33.0447 | 104 | 0.2 | 49 |
GU.IMI.HHZ. | 2021-10-04T12:10:38.40 | 0.6 | undecidable | manual | S | 281 | 31.5462 | 105 | -0.4 | 47 |
FR.SAOF.HHE.00 | 2021-10-04T12:10:38.98 | 0.1 | undecidable | manual | P | 284 | 59.8956 | 50 | 0.49 | 88 |
GU.GBOS.HHZ. | 2021-10-04T12:10:37.09 | 0.3 | undecidable | manual | P | 321 | 55.3002 | 50 | -0.69 | 62 |
IV.QLNO.HHZ. | 2021-10-04T12:10:36.66 | 0.1 | undecidable | manual | P | 6 | 52.0035 | 50 | -0.62 | 85 |
GU.MGRO.HHZ. | 2021-10-04T12:10:35.84 | 0.1 | undecidable | manual | P | 299 | 43.0236 | 50 | -0.05 | 100 |
GU.CANO.HHZ. | 2021-10-04T12:10:35.69 | 0.1 | undecidable | manual | P | 355 | 39.0276 | 50 | 0.42 | 93 |
GU.RORO.HHZ. | 2021-10-04T12:10:34.46 | 0.1 | undecidable | manual | P | 329 | 33.0447 | 104 | 0.16 | 99 |
GU.IMI.HHZ. | 2021-10-04T12:10:33.74 | 0.3 | undecidable | manual | P | 281 | 31.5462 | 105 | -0.27 | 73 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
GU.IMI.HHE. | ML:1.2 | 0.00007561746499999999 | 1.7024 | AML | other | m | 2021-10-04T12:10:33.81 |
GU.IMI.HHN. | ML:0.9 | 0.00003805022499999999 | 0.064 | AML | other | m | 2021-10-04T12:10:40.30 |
GU.RORO.HHN. | ML:0.9 | 0.00003258863 | 0.1408 | AML | other | m | 2021-10-04T12:10:42.02 |
GU.CANO.HHN. | ML:1.3 | 0.00007040729499999999 | 0.1792 | AML | other | m | 2021-10-04T12:10:43.10 |
GU.MGRO.HNE. | ML:1.0 | 0.000029563755 | 0.1216 | AML | other | m | 2021-10-04T12:10:43.98 |
GU.MGRO.HNN. | ML:1.6 | 0.00011657983 | 1.6512 | AML | other | m | 2021-10-04T12:10:50.16 |
GU.MGRO.HHE. | ML:1.2 | 0.00004609724499999999 | 0.3008 | AML | other | m | 2021-10-04T12:10:43.93 |
GU.MGRO.HHN. | ML:1.0 | 0.000032770134999999996 | 0.096 | AML | other | m | 2021-10-04T12:10:43.56 |
IV.QLNO.HHE. | ML:1.7 | 0.00012594686 | 0.1408 | AML | other | m | 2021-10-04T12:10:45.99 |
IV.QLNO.HHN. | ML:1.5 | 0.00008477033 | 0.0768 | AML | other | m | 2021-10-04T12:10:46.90 |
GU.ENR.HHN. | ML:1.3 | 0.000030380249999999998 | 0.2176 | AML | other | m | 2021-10-04T12:10:55.51 |
GU.STV.HHE. | ML:1.2 | 0.000020739015 | 0.1792 | AML | other | m | 2021-10-04T12:10:57.23 |
GU.STV.HHN. | ML:1.4 | 0.000030664289999999996 | 0.2752 | AML | other | m | 2021-10-04T12:10:57.08 |