A magnitude ML 1.5 earthquake occured in region: 2 km N Corte Brugnatella (PC), on
and geographic coordinates (lat, lon) 44.7290, 9.3750 at 10 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 |
---|---|---|---|---|
Corte Brugnatella | PC | 2 | 586 | 586 |
Coli | PC | 4 | 879 | 1465 |
Bobbio | PC | 4 | 3577 | 5042 |
Cerignale | PC | 6 | 127 | 5169 |
Brallo di Pregola | PV | 7 | 599 | 5768 |
Zerba | PC | 10 | 77 | 5845 |
Menconico | PV | 11 | 360 | 6205 |
Santa Margherita di Staffora | PV | 12 | 473 | 6678 |
Ottone | PC | 12 | 516 | 7194 |
Romagnese | PV | 13 | 687 | 7881 |
Ferriere | PC | 13 | 1294 | 9175 |
Gorreto | GE | 15 | 97 | 9272 |
Farini | PC | 16 | 1290 | 10562 |
Pecorara | PC | 16 | 730 | 11292 |
Varzi | PV | 18 | 3279 | 14571 |
Fabbrica Curone | AL | 18 | 656 | 15227 |
Zavattarello | PV | 18 | 991 | 16218 |
Rovegno | GE | 18 | 554 | 16772 |
Valverde | PV | 19 | 287 | 17059 |
Bettola | PC | 19 | 2828 | 19887 |
Carrega Ligure | AL | 20 | 84 | 19971 |
Travo | PC | 20 | 2087 | 22058 |
Nibbiano | PC | 20 | 2177 | 24235 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.5 | 2020-10-17 16:13:18 |
44.7293 | 9.3752 | 11 | 2021-02-26 14:56:04 |
Bollettino Sismico Italiano INGV | 84599701 |
Reviewed Rev100 |
ML 1.5 | 2020-10-17 16:13:18 |
44.692 | 9.3712 | 7 | 2020-10-17 16:21:32 |
Sala Sismica INGV-Roma | 83853121 |
Field | Value |
---|---|
Time (UTC) | 2020-10-17 16:13:18 ± 0.17 |
Latitude | 44.7293 ± 0.0117 |
Longitude | 9.3752 ± 0.0152 |
Depth (km) | 11 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 84599701 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1352 |
Semi-minor axis of confidence ellipse (meter) | 1076 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 339 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1350.0 |
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 | 11 |
Number of defining phases | 11 |
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) | 0.06475 |
Epicentral distance of station farthest from the epicenter (degree) | 0.75993 |
Number of stations at which the event was observed | 6 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | 0.3 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 84599701 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-01-04 17:25:05 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | 0.2 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 83853121 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-10-17 16:21:32 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.PLMA.HHZ. | 2020-10-17T16:13:43.40 | 0.6 | undecidable | manual | S | 153 | 84.3489 | 50 | -0.37 | 40 |
IV.CTL8.HNE. | 2020-10-17T16:13:38.22 | 0.6 | undecidable | manual | S | 26 | 67.8765 | 50 | -1.13 | 31 |
GU.GRAM.HHZ. | 2020-10-17T16:13:37.91 | 0.6 | undecidable | manual | S | 116 | 60.5949 | 50 | 0.5 | 41 |
GU.RNCA.HHZ. | 2020-10-17T16:13:33.10 | 0.6 | undecidable | manual | S | 230 | 44.0226 | 50 | 0.1 | 46 |
IV.PLMA.HHZ. | 2020-10-17T16:13:32.71 | 0.6 | undecidable | manual | P | 153 | 84.3489 | 50 | -0.44 | 40 |
GU.PCP.HHN. | 2020-10-17T16:13:31.00 | 0.6 | undecidable | manual | P | 253 | 68.7756 | 50 | 0.26 | 43 |
IV.CTL8.HNE. | 2020-10-17T16:13:31.14 | 0.1 | undecidable | manual | P | 26 | 67.8765 | 50 | 0.54 | 80 |
GU.GRAM.HHZ. | 2020-10-17T16:13:29.61 | 0.3 | undecidable | manual | P | 116 | 60.5949 | 50 | 0.12 | 67 |
GU.RNCA.HHZ. | 2020-10-17T16:13:26.79 | 0.1 | undecidable | manual | P | 230 | 44.0226 | 50 | -0.15 | 91 |
IV.BOB.HHZ. | 2020-10-17T16:13:22.96 | 0.6 | undecidable | manual | S | 53 | 7.1928 | 146 | -0.11 | 49 |
IV.BOB.HHZ. | 2020-10-17T16:13:21.20 | 0.1 | negative | manual | P | 53 | 7.1928 | 146 | 0 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.BOB.HHN. | ML:1.7 | 0.0008449999999999999 | 0.5 | AML | other | m | 2020-10-17T16:13:23.06 |
IV.BOB.HNN. | ML:1.7 | 0.000798 | 0.42 | AML | other | m | 2020-10-17T16:13:23.52 |
IV.BOB.HNE. | ML:1.7 | 0.0006979999999999999 | 0.62 | AML | other | m | 2020-10-17T16:13:23.68 |
IV.BOB.HHE. | ML:1.6 | 0.0006945 | 0.62 | AML | other | m | 2020-10-17T16:13:23.68 |
GU.RNCA.HHE. | ML:0.9 | 0.00002343178 | 0.1664 | AML | other | m | 2020-10-17T16:13:33.63 |
GU.RNCA.HHN. | ML:0.7 | 0.000013244470000000001 | 0.2432 | AML | other | m | 2020-10-17T16:13:35.33 |
GU.GRAM.HHN. | ML:1.5 | 0.0000594 | 0.22 | AML | other | m | 2020-10-17T16:13:39.72 |
GU.GRAM.HHE. | ML:1.4 | 0.000046899999999999995 | 0.6 | AML | other | m | 2020-10-17T16:13:40.44 |
IV.PLMA.HHN. | ML:1.3 | 0.00002744316 | 0.2176 | AML | other | m | 2020-10-17T16:13:44.76 |
IV.PLMA.HHE. | ML:1.4 | 0.000030887249999999995 | 0.2176 | AML | other | m | 2020-10-17T16:13:44.76 |