A magnitude ML 1.5 earthquake occured in region: 5 km SW Triora (IM), on
and geographic coordinates (lat, lon) 43.9510, 7.7440 at 9 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 |
---|---|---|---|---|
Molini di Triora | IM | 5 | 617 | 617 |
Triora | IM | 5 | 355 | 972 |
Bajardo | IM | 6 | 312 | 1284 |
Castel Vittorio | IM | 6 | 287 | 1571 |
Pigna | IM | 7 | 859 | 2430 |
Ceriana | IM | 8 | 1250 | 3680 |
Montalto Ligure | IM | 9 | 377 | 4057 |
Badalucco | IM | 9 | 1136 | 5193 |
Carpasio | IM | 10 | 168 | 5361 |
Apricale | IM | 10 | 629 | 5990 |
Perinaldo | IM | 11 | 870 | 6860 |
Isolabona | IM | 11 | 679 | 7539 |
Rezzo | IM | 13 | 366 | 7905 |
Rocchetta Nervina | IM | 13 | 298 | 8203 |
Castellaro | IM | 14 | 1256 | 9459 |
Montegrosso Pian Latte | IM | 14 | 118 | 9577 |
Seborga | IM | 14 | 315 | 9892 |
Pietrabruna | IM | 15 | 501 | 10393 |
Taggia | IM | 15 | 14116 | 24509 |
Sanremo | IM | 15 | 54807 | 79316 |
Briga Alta | CN | 15 | 39 | 79355 |
Aurigo | IM | 15 | 347 | 79702 |
Dolceacqua | IM | 15 | 2074 | 81776 |
Mendatica | IM | 15 | 185 | 81961 |
Soldano | IM | 15 | 977 | 82938 |
Cosio d'Arroscia | IM | 16 | 221 | 83159 |
PrelĂ | IM | 16 | 503 | 83662 |
Pompeiana | IM | 16 | 823 | 84485 |
Vallebona | IM | 16 | 1310 | 85795 |
San Biagio della Cima | IM | 16 | 1329 | 87124 |
Borgomaro | IM | 16 | 865 | 87989 |
Terzorio | IM | 17 | 216 | 88205 |
Riva Ligure | IM | 17 | 2910 | 91115 |
Ospedaletti | IM | 17 | 3367 | 94482 |
Pornassio | IM | 17 | 685 | 95167 |
Vasia | IM | 17 | 389 | 95556 |
Dolcedo | IM | 17 | 1415 | 96971 |
Pieve di Teco | IM | 18 | 1338 | 98309 |
Airole | IM | 18 | 407 | 98716 |
Camporosso | IM | 18 | 5632 | 104348 |
Lucinasco | IM | 18 | 272 | 104620 |
Santo Stefano al Mare | IM | 18 | 2197 | 106817 |
Caravonica | IM | 18 | 282 | 107099 |
Civezza | IM | 18 | 609 | 107708 |
Cipressa | IM | 19 | 1290 | 108998 |
Costarainera | IM | 19 | 828 | 109826 |
Vallecrosia | IM | 19 | 6956 | 116782 |
Chiusavecchia | IM | 19 | 577 | 117359 |
Cesio | IM | 20 | 283 | 117642 |
Bordighera | IM | 20 | 10469 | 128111 |
Olivetta San Michele | IM | 20 | 211 | 128322 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.5 | 2020-12-31 10:43:29 |
43.9508 | 7.7442 | 9 | 2021-02-26 14:56:17 |
Bollettino Sismico Italiano INGV | 86851021 |
Reviewed Rev100 |
ML 1.5 | 2020-12-31 10:43:29 |
43.9508 | 7.744 | 9 | 2020-12-31 10:51:36 |
Sala Sismica INGV-Roma | 85902651 |
Field | Value |
---|---|
Time (UTC) | 2020-12-31 10:43:29 ± 0.1 |
Latitude | 43.9508 ± 0.0108 |
Longitude | 7.7442 ± 0.0062 |
Depth (km) | 9 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 86851021 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1134 |
Semi-minor axis of confidence ellipse (meter) | 510 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 186 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1130.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 108 |
Number of associated phases, regardless of their use for origin computation | 20 |
Number of defining phases | 20 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.31 |
Epicentral distance of station closest to the epicenter (degree) | 0.11421 |
Epicentral distance of station farthest from the epicenter (degree) | 0.82288 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | 0.3 |
Num. used stations | 14 |
Type of magnitude | ML |
Reference to an origin | 85902651 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-12-31 10:51:36 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | 0.3 |
Num. used stations | 16 |
Type of magnitude | ML |
Reference to an origin | 86851021 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-02-05 09:14:26 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.PCP.HHZ. | 2020-12-31T10:43:57.13 | 1.0 | undecidable | manual | S | 44 | 91.3419 | 50 | 0.13 | 21 |
IV.QLNO.HHZ. | 2020-12-31T10:43:49.16 | 0.6 | undecidable | manual | S | 49 | 63.2922 | 50 | -0.36 | 43 |
GU.PCP.HHZ. | 2020-12-31T10:43:46.26 | 0.3 | undecidable | manual | P | 44 | 91.3419 | 50 | 0.77 | 53 |
GU.CANO.HHZ. | 2020-12-31T10:43:45.23 | 0.3 | undecidable | manual | S | 54 | 48.5181 | 50 | -0.33 | 67 |
GU.STV.HHZ. | 2020-12-31T10:43:44.65 | 0.3 | undecidable | manual | S | 315 | 46.62 | 50 | -0.41 | 66 |
GU.ENR.HHZ. | 2020-12-31T10:43:42.92 | 0.3 | undecidable | manual | S | 320 | 40.3263 | 50 | -0.47 | 66 |
IV.QLNO.HHZ. | 2020-12-31T10:43:41.64 | 0.1 | undecidable | manual | P | 49 | 63.2922 | 50 | 0.47 | 84 |
GU.GBOS.HHZ. | 2020-12-31T10:43:41.12 | 0.3 | undecidable | manual | S | 13 | 33.1446 | 50 | -0.34 | 69 |
GU.RORO.HHZ. | 2020-12-31T10:43:40.59 | 0.3 | undecidable | manual | S | 55 | 31.3464 | 50 | -0.39 | 68 |
GU.CANO.HHZ. | 2020-12-31T10:43:39.04 | 0.3 | undecidable | manual | P | 54 | 48.5181 | 50 | 0.15 | 70 |
GU.BURY.HNZ. | 2020-12-31T10:43:38.42 | 0.3 | undecidable | manual | S | 219 | 23.9538 | 111 | -0.26 | 71 |
GU.STV.HHZ. | 2020-12-31T10:43:38.97 | 0.3 | undecidable | manual | P | 315 | 46.62 | 50 | 0.37 | 67 |
GU.ENR.HHZ. | 2020-12-31T10:43:37.96 | 0.1 | undecidable | manual | P | 320 | 40.3263 | 50 | 0.33 | 91 |
GU.GBOS.HHZ. | 2020-12-31T10:43:36.77 | 0.1 | undecidable | manual | P | 13 | 33.1446 | 50 | 0.25 | 93 |
GU.RORO.HHZ. | 2020-12-31T10:43:36.37 | 0.1 | undecidable | manual | P | 55 | 31.3464 | 50 | 0.13 | 96 |
FR.SAOF.HHZ.00 | 2020-12-31T10:43:35.96 | 0.3 | undecidable | manual | S | 284 | 15.7731 | 121 | -0.16 | 74 |
GU.BURY.HNZ. | 2020-12-31T10:43:34.94 | 0.3 | undecidable | manual | P | 219 | 23.9538 | 111 | 0.02 | 75 |
IV.IMI.HHZ. | 2020-12-31T10:43:34.77 | 0.3 | undecidable | manual | S | 111 | 12.6762 | 126 | -0.47 | 69 |
IV.IMI.HHZ. | 2020-12-31T10:43:33.02 | 0.1 | undecidable | manual | P | 111 | 12.6762 | 126 | 0.09 | 100 |
FR.SAOF.HHZ.00 | 2020-12-31T10:43:33.59 | 0.1 | undecidable | manual | P | 284 | 15.7731 | 121 | 0.15 | 98 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.IMI.HHE. | ML:2.5 | 0.0034950000000000003 | 1.88 | AML | other | m | 2020-12-31T10:43:34.00 |
IV.IMI.HHN. | ML:2.4 | 0.0025999999999999994 | 0.08 | AML | other | m | 2020-12-31T10:43:35.27 |
GU.RORO.HHE. | ML:1.8 | 0.00030942995 | 0.16 | AML | other | m | 2020-12-31T10:43:40.00 |
GU.RORO.HHN. | ML:1.6 | 0.000198419 | 0.1152 | AML | other | m | 2020-12-31T10:43:40.92 |
GU.GBOS.HHE. | ML:1.2 | 0.00006925970500000001 | 0.1408 | AML | other | m | 2020-12-31T10:43:41.63 |
GU.GBOS.HHN. | ML:1.0 | 0.000046982444999999996 | 0.1408 | AML | other | m | 2020-12-31T10:43:41.97 |
GU.ENR.HHE. | ML:1.2 | 0.000054163435 | 0.0832 | AML | other | m | 2020-12-31T10:43:43.40 |
GU.ENR.HHN. | ML:1.2 | 0.000060627845 | 0.064 | AML | other | m | 2020-12-31T10:43:43.81 |
GU.STV.HHN. | ML:1.2 | 0.000038056565 | 0.1792 | AML | other | m | 2020-12-31T10:43:45.15 |
GU.STV.HHE. | ML:1.4 | 0.000077 | 0.18 | AML | other | m | 2020-12-31T10:43:45.22 |
GU.CANO.HHE. | ML:1.7 | 0.00013550815 | 0.1152 | AML | other | m | 2020-12-31T10:43:46.67 |
GU.CANO.HHN. | ML:1.9 | 0.00023434519999999997 | 0.2816 | AML | other | m | 2020-12-31T10:43:47.37 |
IV.QLNO.HHN. | ML:1.6 | 0.000075930835 | 0.1792 | AML | other | m | 2020-12-31T10:43:50.42 |
IV.QLNO.HHE. | ML:1.5 | 0.00005985427 | 0.1408 | AML | other | m | 2020-12-31T10:43:50.80 |
GU.PCP.HHN. | ML:1.6 | 0.000043311073500000004 | 0.32 | AML | other | m | 2020-12-31T10:44:00.71 |
GU.PCP.HHE. | ML:1.6 | 0.0000412317 | 0.224 | AML | other | m | 2020-12-31T10:44:00.68 |