A magnitude ML 0.8 earthquake occured in region: 6 km E Varese Ligure (SP), on
and geographic coordinates (lat, lon) 44.3750, 9.6720 at 15 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 |
---|---|---|---|---|
Varese Ligure | SP | 6 | 2059 | 2059 |
Zeri | MS | 8 | 1094 | 3153 |
Albareto | PR | 8 | 2156 | 5309 |
Sesta Godano | SP | 9 | 1377 | 6686 |
Maissana | SP | 12 | 616 | 7302 |
Carro | SP | 12 | 545 | 7847 |
Zignago | SP | 12 | 532 | 8379 |
Tornolo | PR | 13 | 1010 | 9389 |
Compiano | PR | 14 | 1112 | 10501 |
Bedonia | PR | 15 | 3482 | 13983 |
Carrodano | SP | 15 | 503 | 14486 |
Borgo Val di Taro | PR | 15 | 6999 | 21485 |
Rocchetta di Vara | SP | 15 | 703 | 22188 |
Brugnato | SP | 16 | 1270 | 23458 |
Castiglione Chiavarese | GE | 17 | 1616 | 25074 |
Pontremoli | MS | 17 | 7357 | 32431 |
Borghetto di Vara | SP | 17 | 938 | 33369 |
Mulazzo | MS | 20 | 2424 | 35793 |
Calice al Cornoviglio | SP | 20 | 1138 | 36931 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.8 | 2023-10-17 23:13:54 |
44.3752 | 9.6722 | 15 | 2023-10-17 23:22:53 |
Sala Sismica INGV-Roma | 122164011 |
Field | Value |
---|---|
Time (UTC) | 2023-10-17 23:13:54 ± 0.15 |
Latitude | 44.3752 ± 0.0117 |
Longitude | 9.6722 ± 0.0126 |
Depth (km) | 15 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 122164011 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1323 |
Semi-minor axis of confidence ellipse (meter) | 801 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 217 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1320.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 161 |
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) | 0.27 |
Epicentral distance of station closest to the epicenter (degree) | 0.12501 |
Epicentral distance of station farthest from the epicenter (degree) | 0.40290 |
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 | 0.8 |
Uncertainty | 0.4 |
Num. used stations | 5 |
Type of magnitude | ML |
Reference to an origin | 122164011 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-10-17 23:22:53 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.EQUI.HHZ. | 2023-10-17T23:14:08.19 | 0.3 | undecidable | manual | S | 121 | 44.7219 | 97 | -0.53 | 65 |
GU.FIVI.HNE. | 2023-10-17T23:14:07.30 | 0.3 | undecidable | manual | S | 112 | 39.1275 | 98 | 0.05 | 73 |
IV.PLMA.HHZ. | 2023-10-17T23:14:07.28 | 0.3 | undecidable | manual | S | 158 | 38.8278 | 98 | 0.1 | 74 |
GU.GORR.HHZ. | 2023-10-17T23:14:07.06 | 0.3 | undecidable | manual | S | 311 | 39.5271 | 98 | -0.3 | 68 |
GU.EQUI.HHZ. | 2023-10-17T23:14:02.68 | 0.1 | undecidable | manual | P | 121 | 44.7219 | 97 | 0.06 | 97 |
GU.FIVI.HNE. | 2023-10-17T23:14:02.11 | 0.3 | undecidable | manual | P | 112 | 39.1275 | 98 | 0.34 | 69 |
IV.PLMA.HHZ. | 2023-10-17T23:14:01.59 | 0.1 | undecidable | manual | P | 158 | 38.8278 | 98 | -0.13 | 94 |
GU.GORR.HHZ. | 2023-10-17T23:14:01.92 | 0.1 | undecidable | manual | P | 311 | 39.5271 | 98 | 0.09 | 98 |
IV.MSSA.HHZ. | 2023-10-17T23:14:00.71 | 0.3 | undecidable | manual | S | 242 | 13.875 | 126 | -0.17 | 72 |
IV.MSSA.HHZ. | 2023-10-17T23:13:58.34 | 0.1 | undecidable | manual | P | 242 | 13.875 | 126 | 0.25 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.PLMA.HHE. | ML:0.0 | 0.00006189004 | 0.1536 | AML | other | m | 2023-10-17T23:14:07.45 |
IV.PLMA.HHN. | ML:0.0 | 0.00007833896 | 0.1536 | AML | other | m | 2023-10-17T23:14:07.45 |
GU.GORR.HHE. | ML:0.6 | 0.000017186945 | 0.2048 | AML | other | m | 2023-10-17T23:14:08.48 |
GU.GORR.HHN. | ML:0.6 | 0.000015100042 | 0.128 | AML | other | m | 2023-10-17T23:14:07.56 |
GU.EQUI.HHN. | ML:0.5 | 0.000008443776 | 0.1024 | AML | other | m | 2023-10-17T23:14:09.66 |