A magnitude ML 1.7 earthquake occured in region: Costa Ligure Occidentale (Imperia), on
and geographic coordinates (lat, lon) 43.7900, 7.7350 at 17 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.
Municipality | Region | Distance (km) | Inhabitants | Cumulative Inhabitants |
---|---|---|---|---|
Ospedaletti | IM | 2 | 3367 | 3367 |
Bordighera | IM | 5 | 10469 | 13836 |
Seborga | IM | 5 | 315 | 14151 |
Sanremo | IM | 5 | 54807 | 68958 |
Vallebona | IM | 6 | 1310 | 70268 |
Vallecrosia | IM | 7 | 6956 | 77224 |
San Biagio della Cima | IM | 8 | 1329 | 78553 |
Soldano | IM | 8 | 977 | 79530 |
Camporosso | IM | 9 | 5632 | 85162 |
Perinaldo | IM | 10 | 870 | 86032 |
Ventimiglia | IM | 10 | 24310 | 110342 |
Ceriana | IM | 11 | 1250 | 111592 |
Dolceacqua | IM | 11 | 2074 | 113666 |
Taggia | IM | 11 | 14116 | 127782 |
Apricale | IM | 12 | 629 | 128411 |
Isolabona | IM | 13 | 679 | 129090 |
Bajardo | IM | 13 | 312 | 129402 |
Riva Ligure | IM | 13 | 2910 | 132312 |
Castellaro | IM | 14 | 1256 | 133568 |
Pompeiana | IM | 14 | 823 | 134391 |
Santo Stefano al Mare | IM | 14 | 2197 | 136588 |
Terzorio | IM | 15 | 216 | 136804 |
Rocchetta Nervina | IM | 16 | 298 | 137102 |
Castel Vittorio | IM | 16 | 287 | 137389 |
Badalucco | IM | 17 | 1136 | 138525 |
Pigna | IM | 17 | 859 | 139384 |
Airole | IM | 17 | 407 | 139791 |
Cipressa | IM | 18 | 1290 | 141081 |
Pietrabruna | IM | 18 | 501 | 141582 |
Montalto Ligure | IM | 18 | 377 | 141959 |
Costarainera | IM | 18 | 828 | 142787 |
San Lorenzo al Mare | IM | 20 | 1297 | 144084 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.7 | 2020-04-10 17:27:19 |
43.7902 | 7.7352 | 17 | 2020-07-18 21:08:37 |
Bollettino Sismico Italiano INGV | 79357271 |
Reviewed Rev100 |
ML 1.6 | 2020-04-10 17:27:19 |
43.789 | 7.7353 | 16 | 2020-04-10 17:34:04 |
Sala Sismica INGV-Roma | 78086061 |
Field | Value |
---|---|
Time (UTC) | 2020-04-10 17:27:19 ± 0.16 |
Latitude | 43.7902 ± 0.0072 |
Longitude | 7.7352 ± 0.0062 |
Depth (km) | 17 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 79357271 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 653 |
Semi-minor axis of confidence ellipse (meter) | 534 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 12 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 650.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 283 |
Number of associated phases, regardless of their use for origin computation | 31 |
Number of defining phases | 16 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.18 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.84266 |
Number of stations at which the event was observed | 23 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.3 |
Num. used stations | 16 |
Type of magnitude | ML |
Reference to an origin | 78086061 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-04-10 17:34:04 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.3 |
Num. used stations | 15 |
Type of magnitude | ML |
Reference to an origin | 79357271 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2020-05-20 08:49:41 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
CR.ZAG.BHZ. | 2020-04-10T17:28:30.06 | 3.0 | undecidable | manual | Sn | -2.11 | 0 | |||
MN.TIR.HHZ. | 2020-04-10T17:28:24.89 | 3.0 | negative | manual | Pg | 8.39 | 0 | |||
IV.CRJA.HHZ. | 2020-04-10T17:28:17.10 | 3.0 | negative | manual | Pg | 12.22 | 0 | |||
IV.MBFT.HHZ. | 2020-04-10T17:28:14.40 | 3.0 | positive | manual | Pg | 11.57 | 0 | |||
IV.MFNL.HHZ. | 2020-04-10T17:28:08.93 | 3.0 | undecidable | manual | Pg | 4.06 | 0 | |||
IV.SICLA.EHZ. | 2020-04-10T17:28:08.33 | 3.0 | positive | manual | Pn | -1.2 | 0 | |||
IV.ROSPO.HHZ. | 2020-04-10T17:27:59.55 | 3.0 | undecidable | manual | Sg | -0.13 | 0 | |||
IV.CTI.HHZ. | 2020-04-10T17:27:57.31 | 3.0 | undecidable | manual | Sn | -3.05 | 0 | |||
IV.PIPA.HHZ. | 2020-04-10T17:27:54.37 | 3.0 | negative | manual | Pn | -8.9 | 0 | |||
IV.CADC.HNZ. | 2020-04-10T17:27:52.44 | 3.0 | undecidable | manual | Sg | 0.77 | 0 | |||
GU.PZZ.HHZ. | 2020-04-10T17:27:46.57 | 0.3 | undecidable | manual | S | 328 | 93.5397 | 94 | 0.02 | 66 |
GU.STV.HHZ. | 2020-04-10T17:27:37.48 | 0.3 | undecidable | manual | S | 327 | 60.0954 | 97 | -0.2 | 67 |
GU.CANO.HHZ. | 2020-04-10T17:27:37.63 | 0.3 | undecidable | manual | S | 41 | 61.1943 | 97 | -0.34 | 66 |
GU.ENR.HHZ. | 2020-04-10T17:27:36.28 | 0.3 | undecidable | manual | S | 333 | 54.501 | 98 | 0.08 | 71 |
GU.PZZ.HHZ. | 2020-04-10T17:27:35.01 | 0.3 | undecidable | manual | P | 328 | 93.5397 | 94 | 0.07 | 66 |
GU.GBOS.HHZ. | 2020-04-10T17:27:35.38 | 0.3 | undecidable | manual | S | 9 | 50.8158 | 99 | 0.18 | 70 |
GU.RORO.HHZ. | 2020-04-10T17:27:33.44 | 0.3 | undecidable | manual | S | 36 | 44.4222 | 100 | -0.09 | 71 |
GU.ENR.HHZ. | 2020-04-10T17:27:29.12 | 0.1 | negative | manual | P | 333 | 54.501 | 98 | 0.16 | 93 |
GU.STV.HHZ. | 2020-04-10T17:27:29.83 | 0.1 | undecidable | manual | P | 327 | 60.0954 | 97 | 0.01 | 94 |
GU.CANO.HHZ. | 2020-04-10T17:27:29.98 | 0.1 | positive | manual | P | 41 | 61.1943 | 97 | 0 | 94 |
GU.GBOS.HHZ. | 2020-04-10T17:27:28.83 | 0.1 | undecidable | manual | P | 9 | 50.8158 | 99 | 0.44 | 88 |
FR.SAOF.HHZ.00 | 2020-04-10T17:27:28.66 | 0.3 | undecidable | manual | S | 326 | 26.1516 | 111 | -0.16 | 72 |
MN.TRI.HHZ. | 2020-04-10T17:27:27.32 | 3.0 | undecidable | manual | Pg | 0.34 | 0 | |||
IV.IMI.HHZ. | 2020-04-10T17:27:27.07 | 0.3 | undecidable | manual | S | 43 | 18.3705 | 123 | 0.1 | 75 |
GU.RORO.HHZ. | 2020-04-10T17:27:27.40 | 0.1 | negative | manual | P | 36 | 44.4222 | 100 | -0.03 | 96 |
FR.SAOF.HHZ.00 | 2020-04-10T17:27:24.47 | 0.1 | negative | manual | P | 326 | 26.1516 | 111 | -0.23 | 95 |
IV.IMI.HHZ. | 2020-04-10T17:27:23.55 | 0.1 | positive | manual | P | 43 | 18.3705 | 123 | -0.08 | 100 |
IV.CRMI.HHZ. | 2020-04-10T17:26:50.90 | 3.0 | negative | manual | P | -3.34 | 0 | |||
IV.FIR.HHZ. | 2020-04-10T17:26:48.59 | 3.0 | undecidable | manual | P | -2.88 | 0 | |||
IV.BADI.EHZ. | 2020-04-10T17:26:45.51 | 3.0 | undecidable | manual | P | -6.33 | 0 | |||
TV.SF04.EHZ. | 2020-04-10T17:26:43.86 | 3.0 | positive | manual | P | -7.13 | 0 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.IMI.HHE. | ML:1.4 | 0.0001735 | 0.42 | AML | other | m | 2020-04-10T17:27:27.30 |
IV.IMI.HHN. | ML:1.5 | 0.00019350000000000001 | 0.1 | AML | other | m | 2020-04-10T17:27:27.28 |
FR.SAOF.HHE.00 | ML:1.8 | 0.000296 | 1.56 | AML | other | m | 2020-04-10T17:27:28.94 |
FR.SAOF.HHN.00 | ML:1.7 | 0.00023549999999999998 | 1.64 | AML | other | m | 2020-04-10T17:27:29.15 |
GU.GBOS.HHN. | ML:1.1 | 0.00002815 | 0.46 | AML | other | m | 2020-04-10T17:27:35.76 |
GU.GBOS.HHE. | ML:1.4 | 0.00006065 | 0.16 | AML | other | m | 2020-04-10T17:27:35.54 |
GU.ENR.HHE. | ML:2.2 | 0.0003695 | 0.14 | AML | other | m | 2020-04-10T17:27:36.43 |
GU.ENR.HHN. | ML:2.3 | 0.00045299999999999995 | 0.26 | AML | other | m | 2020-04-10T17:27:36.55 |
GU.STV.HHN. | ML:1.6 | 0.00007670000000000001 | 1.08 | AML | other | m | 2020-04-10T17:27:37.88 |
GU.STV.HHE. | ML:1.8 | 0.000124 | 0.1 | AML | other | m | 2020-04-10T17:27:37.93 |
GU.CANO.HHE. | ML:1.8 | 0.000133 | 0.3 | AML | other | m | 2020-04-10T17:27:38.65 |
GU.CANO.HHN. | ML:2.0 | 0.00017999999999999998 | 0.28 | AML | other | m | 2020-04-10T17:27:38.77 |
GU.PZZ.HHE. | ML:1.6 | 0.000041700000000000004 | 0.18 | AML | other | m | 2020-04-10T17:27:47.72 |
GU.PZZ.HHN. | ML:1.7 | 0.000051250000000000006 | 1.56 | AML | other | m | 2020-04-10T17:27:48.84 |
GU.BHB.HHE. | ML:1.3 | 0.0000165 | 1.28 | AML | other | m | 2020-04-10T17:27:55.29 |