A magnitude ML 1.5 earthquake occured in region: 3 km W Corte Brugnatella (PC), on
and geographic coordinates (lat, lon) 44.7250, 9.3460 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 |
---|---|---|---|---|
Corte Brugnatella | PC | 3 | 586 | 586 |
Cerignale | PC | 5 | 127 | 713 |
Brallo di Pregola | PV | 5 | 599 | 1312 |
Coli | PC | 6 | 879 | 2191 |
Bobbio | PC | 6 | 3577 | 5768 |
Zerba | PC | 8 | 77 | 5845 |
Menconico | PV | 10 | 360 | 6205 |
Santa Margherita di Staffora | PV | 10 | 473 | 6678 |
Ottone | PC | 11 | 516 | 7194 |
Romagnese | PV | 13 | 687 | 7881 |
Gorreto | GE | 14 | 97 | 7978 |
Ferriere | PC | 15 | 1294 | 9272 |
Fabbrica Curone | AL | 16 | 656 | 9928 |
Varzi | PV | 16 | 3279 | 13207 |
Rovegno | GE | 17 | 554 | 13761 |
Pecorara | PC | 17 | 730 | 14491 |
Zavattarello | PV | 17 | 991 | 15482 |
Carrega Ligure | AL | 18 | 84 | 15566 |
Farini | PC | 18 | 1290 | 16856 |
Valverde | PV | 18 | 287 | 17143 |
Montacuto | AL | 19 | 278 | 17421 |
Fascia | GE | 20 | 81 | 17502 |
Fontanigorda | GE | 20 | 277 | 17779 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.5 | 2020-05-21 15:17:54 |
44.7248 | 9.3462 | 9 | 2020-11-19 12:36:47 |
Bollettino Sismico Italiano INGV | 79996461 |
Reviewed Rev100 |
ML 1.5 | 2020-05-21 15:17:54 |
44.7303 | 9.3277 | 8 | 2020-05-21 15:26:50 |
Sala Sismica INGV-Roma | 79413591 |
Field | Value |
---|---|
Time (UTC) | 2020-05-21 15:17:54 ± 0.08 |
Latitude | 44.7248 ± 0.0054 |
Longitude | 9.3462 ± 0.0063 |
Depth (km) | 9 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 79996461 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 631 |
Semi-minor axis of confidence ellipse (meter) | 383 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 137 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 630.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 124 |
Number of associated phases, regardless of their use for origin computation | 10 |
Number of defining phases | 10 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.19 |
Epicentral distance of station closest to the epicenter (degree) | 0.08454 |
Epicentral distance of station farthest from the epicenter (degree) | 0.56298 |
Number of stations at which the event was observed | 5 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | 0.3 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 79996461 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2020-06-08 08:11:09 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | 0.3 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 79413591 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-05-21 15:26:50 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.GRAM.HHZ. | 2020-05-21T15:18:14.09 | 0.6 | undecidable | manual | S | 114 | 62.493 | 50 | -0.17 | 44 |
GU.RNCA.HHZ. | 2020-05-21T15:18:08.74 | 0.3 | undecidable | manual | S | 228 | 42.0246 | 50 | -0.06 | 71 |
IV.SARZ.HHE. | 2020-05-21T15:18:07.14 | 0.6 | undecidable | manual | S | 295 | 37.5291 | 50 | -0.47 | 44 |
GU.GRAM.HHZ. | 2020-05-21T15:18:05.99 | 0.1 | negative | manual | P | 114 | 62.493 | 50 | 0.02 | 92 |
GU.RNCA.HHZ. | 2020-05-21T15:18:03.07 | 0.1 | undecidable | manual | P | 228 | 42.0246 | 50 | 0.25 | 91 |
IV.SARZ.HHE. | 2020-05-21T15:18:02.33 | 0.3 | undecidable | manual | P | 295 | 37.5291 | 50 | 0.2 | 69 |
GU.GORR.HHZ. | 2020-05-21T15:18:00.14 | 0.3 | undecidable | manual | S | 198 | 13.6752 | 123 | -0.16 | 73 |
IV.BOB.HHZ. | 2020-05-21T15:17:59.05 | 0.1 | undecidable | manual | S | 59 | 9.3795 | 133 | -0.05 | 100 |
GU.GORR.HHZ. | 2020-05-21T15:17:57.95 | 0.1 | positive | manual | P | 198 | 13.6752 | 123 | 0.04 | 99 |
IV.BOB.HHZ. | 2020-05-21T15:17:57.26 | 0.1 | negative | manual | P | 59 | 9.3795 | 133 | 0.05 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.BOB.HNE. | ML:1.7 | 0.0007746892000000001 | 0.1536 | AML | other | m | 2020-05-21T15:17:59.33 |
IV.BOB.HNN. | ML:1.6 | 0.0005513745000000002 | 0.1408 | AML | other | m | 2020-05-21T15:17:59.26 |
IV.BOB.HHE. | ML:1.7 | 0.0007783337999999999 | 0.1664 | AML | other | m | 2020-05-21T15:17:59.33 |
IV.BOB.HHN. | ML:1.6 | 0.0006230261500000001 | 0.1408 | AML | other | m | 2020-05-21T15:17:59.26 |
GU.GORR.HHE. | ML:1.4 | 0.0002510084 | 0.1792 | AML | other | m | 2020-05-21T15:18:00.70 |
GU.GORR.HHN. | ML:1.7 | 0.0005137469 | 0.1792 | AML | other | m | 2020-05-21T15:18:00.44 |
GU.RNCA.HHE. | ML:0.9 | 0.000025225205 | 0.2432 | AML | other | m | 2020-05-21T15:18:09.74 |
GU.RNCA.HHN. | ML:0.7 | 0.000014042474499999998 | 1.8336 | AML | other | m | 2020-05-21T15:18:09.00 |