A magnitude ML 1.0 earthquake occured in region: 1 km S Bolano (SP), on
and geographic coordinates (lat, lon) 44.1850, 9.8960 at 10 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 |
---|---|---|---|---|
Bolano | SP | 1 | 7813 | 7813 |
Santo Stefano di Magra | SP | 3 | 9360 | 17173 |
Follo | SP | 4 | 6337 | 23510 |
Podenzana | MS | 4 | 2180 | 25690 |
Vezzano Ligure | SP | 5 | 7356 | 33046 |
Aulla | MS | 7 | 11263 | 44309 |
Tresana | MS | 8 | 2044 | 46353 |
Arcola | SP | 8 | 10607 | 56960 |
Calice al Cornoviglio | SP | 8 | 1138 | 58098 |
Sarzana | SP | 10 | 21976 | 80074 |
La Spezia | SP | 10 | 93959 | 174033 |
Beverino | SP | 10 | 2429 | 176462 |
Riccò del Golfo di Spezia | SP | 11 | 3698 | 180160 |
Fosdinovo | MS | 11 | 4883 | 185043 |
Lerici | SP | 12 | 10228 | 195271 |
Villafranca in Lunigiana | MS | 13 | 4770 | 200041 |
Rocchetta di Vara | SP | 13 | 703 | 200744 |
Castelnuovo Magra | SP | 14 | 8415 | 209159 |
Pignone | SP | 14 | 565 | 209724 |
Ameglia | SP | 14 | 4365 | 214089 |
Borghetto di Vara | SP | 15 | 938 | 215027 |
Licciana Nardi | MS | 15 | 4949 | 219976 |
Brugnato | SP | 15 | 1270 | 221246 |
Portovenere | SP | 15 | 3630 | 224876 |
Mulazzo | MS | 15 | 2424 | 227300 |
Riomaggiore | SP | 16 | 1576 | 228876 |
Zignago | SP | 16 | 532 | 229408 |
Ortonovo | SP | 16 | 8277 | 237685 |
Bagnone | MS | 17 | 1887 | 239572 |
Filattiera | MS | 17 | 2309 | 241881 |
Vernazza | SP | 18 | 848 | 242729 |
Fivizzano | MS | 19 | 7925 | 250654 |
Monterosso al Mare | SP | 20 | 1464 | 252118 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.0 | 2023-07-30 03:04:02 |
44.1852 | 9.8962 | 11 | 2023-07-30 03:16:45 |
Sala Sismica INGV-Roma | 119697241 |
Field | Value |
---|---|
Time (UTC) | 2023-07-30 03:04:02 ± 0.15 |
Latitude | 44.1852 ± 0.0099 |
Longitude | 9.8962 ± 0.0088 |
Depth (km) | 11 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 119697241 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1052 |
Semi-minor axis of confidence ellipse (meter) | 739 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 180 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1050.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 103 |
Number of associated phases, regardless of their use for origin computation | 19 |
Number of defining phases | 19 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.38 |
Epicentral distance of station closest to the epicenter (degree) | 0.13850 |
Epicentral distance of station farthest from the epicenter (degree) | 0.64751 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 11 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.1 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 119697241 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-07-30 03:16:45 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.POPM.HHZ. | 2023-07-30T03:04:24.53 | 0.3 | undecidable | manual | S | 102 | 70.2741 | 50 | 0.19 | 69 |
GU.MAIM.HHZ. | 2023-07-30T03:04:19.96 | 0.3 | undecidable | manual | S | 122 | 56.2992 | 50 | -0.64 | 62 |
GU.CARD.HHZ. | 2023-07-30T03:04:18.38 | 0.3 | undecidable | manual | S | 111 | 49.9167 | 50 | -0.52 | 66 |
IV.PII.HHZ. | 2023-07-30T03:04:16.09 | 0.3 | undecidable | manual | P | 135 | 71.8725 | 50 | 0.53 | 63 |
MN.VLC.HHZ. | 2023-07-30T03:04:15.56 | 0.3 | undecidable | manual | S | 94 | 39.1275 | 50 | -0.46 | 68 |
GU.POPM.HHZ. | 2023-07-30T03:04:15.74 | 0.3 | undecidable | manual | P | 102 | 70.2741 | 50 | 0.42 | 65 |
IV.BDI.HHZ. | 2023-07-30T03:04:13.77 | 0.6 | undecidable | manual | P | 103 | 57.2982 | 50 | 0.44 | 44 |
IV.MSSA.HHN. | 2023-07-30T03:04:13.70 | 0.3 | undecidable | manual | S | 296 | 33.4443 | 50 | -0.8 | 61 |
GU.MAIM.HHZ. | 2023-07-30T03:04:13.57 | 0.3 | undecidable | manual | P | 122 | 56.2992 | 50 | 0.41 | 67 |
GU.CARD.HHZ. | 2023-07-30T03:04:12.48 | 0.3 | undecidable | manual | P | 111 | 49.9167 | 50 | 0.3 | 69 |
GU.EQUI.HHZ. | 2023-07-30T03:04:10.38 | 0.3 | undecidable | manual | S | 96 | 20.5683 | 117 | -0.63 | 67 |
MN.VLC.HHZ. | 2023-07-30T03:04:10.90 | 0.3 | undecidable | manual | P | 94 | 39.1275 | 50 | 0.38 | 70 |
GU.FIVI.HNZ. | 2023-07-30T03:04:10.32 | 0.3 | undecidable | manual | S | 72 | 19.3695 | 119 | -0.31 | 73 |
GU.GRAM.HHZ. | 2023-07-30T03:04:10.36 | 0.3 | undecidable | manual | P | 22 | 36.4413 | 50 | 0.26 | 72 |
IV.PLMA.HHZ. | 2023-07-30T03:04:09.10 | 0.3 | undecidable | manual | S | 193 | 15.3735 | 124 | -0.37 | 73 |
IV.MSSA.HHN. | 2023-07-30T03:04:09.60 | 0.3 | undecidable | manual | P | 296 | 33.4443 | 50 | -0.04 | 76 |
GU.EQUI.HHZ. | 2023-07-30T03:04:07.83 | 0.1 | undecidable | manual | P | 96 | 20.5683 | 117 | 0.21 | 100 |
GU.FIVI.HNZ. | 2023-07-30T03:04:07.65 | 0.3 | undecidable | manual | P | 72 | 19.3695 | 119 | 0.24 | 74 |
IV.PLMA.HHZ. | 2023-07-30T03:04:06.96 | 0.1 | undecidable | manual | P | 193 | 15.3735 | 124 | 0.23 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.PLMA.HHE. | ML:1.0 | 0.0000988 | 0.22 | AML | other | m | 2023-07-30T03:04:09.30 |
IV.PLMA.HHN. | ML:1.0 | 0.00008434999999999999 | 0.34 | AML | other | m | 2023-07-30T03:04:09.43 |
GU.CARD.HHN. | ML:1.1 | 0.000029049999999999998 | 0.5 | AML | other | m | 2023-07-30T03:04:19.31 |
GU.CARD.HHE. | ML:1.0 | 0.0000262 | 1.1 | AML | other | m | 2023-07-30T03:04:19.03 |
GU.POPM.HHE. | ML:1.1 | 0.000018350000000000002 | 0.18 | AML | other | m | 2023-07-30T03:04:26.38 |
GU.POPM.HHN. | ML:1.0 | 0.000016300000000000003 | 1.42 | AML | other | m | 2023-07-30T03:04:26.91 |