A magnitude ML 0.9 earthquake occured in region: 3 km S Calice al Cornoviglio (SP), on
and geographic coordinates (lat, lon) 44.2210, 9.8410 at 9 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 |
---|---|---|---|---|
Calice al Cornoviglio | SP | 3 | 1138 | 1138 |
Bolano | SP | 6 | 7813 | 8951 |
Beverino | SP | 6 | 2429 | 11380 |
Follo | SP | 7 | 6337 | 17717 |
Rocchetta di Vara | SP | 8 | 703 | 18420 |
Podenzana | MS | 8 | 2180 | 20600 |
Santo Stefano di Magra | SP | 9 | 9360 | 29960 |
Tresana | MS | 9 | 2044 | 32004 |
Brugnato | SP | 9 | 1270 | 33274 |
Vezzano Ligure | SP | 9 | 7356 | 40630 |
Riccò del Golfo di Spezia | SP | 9 | 3698 | 44328 |
Borghetto di Vara | SP | 9 | 938 | 45266 |
Zignago | SP | 10 | 532 | 45798 |
Aulla | MS | 10 | 11263 | 57061 |
Pignone | SP | 10 | 565 | 57626 |
Villafranca in Lunigiana | MS | 12 | 4770 | 62396 |
Mulazzo | MS | 13 | 2424 | 64820 |
La Spezia | SP | 13 | 93959 | 158779 |
Arcola | SP | 13 | 10607 | 169386 |
Filattiera | MS | 15 | 2309 | 171695 |
Carrodano | SP | 15 | 503 | 172198 |
Sarzana | SP | 15 | 21976 | 194174 |
Sesta Godano | SP | 15 | 1377 | 195551 |
Vernazza | SP | 16 | 848 | 196399 |
Riomaggiore | SP | 16 | 1576 | 197975 |
Zeri | MS | 16 | 1094 | 199069 |
Bagnone | MS | 16 | 1887 | 200956 |
Licciana Nardi | MS | 17 | 4949 | 205905 |
Monterosso al Mare | SP | 17 | 1464 | 207369 |
Lerici | SP | 17 | 10228 | 217597 |
Fosdinovo | MS | 17 | 4883 | 222480 |
Pontremoli | MS | 18 | 7357 | 229837 |
Portovenere | SP | 18 | 3630 | 233467 |
Levanto | SP | 19 | 5499 | 238966 |
Carro | SP | 19 | 545 | 239511 |
Ameglia | SP | 20 | 4365 | 243876 |
Castelnuovo Magra | SP | 20 | 8415 | 252291 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2021-09-22 12:16:18 |
44.2208 | 9.8408 | 9 | 2021-09-22 12:25:21 |
Sala Sismica INGV-Roma | 95739031 |
Field | Value |
---|---|
Time (UTC) | 2021-09-22 12:16:18 ± 0.11 |
Latitude | 44.2208 ± 0.0099 |
Longitude | 9.8408 ± 0.0075 |
Depth (km) | 9 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 95739031 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 991 |
Semi-minor axis of confidence ellipse (meter) | 586 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 183 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 990.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 115 |
Number of associated phases, regardless of their use for origin computation | 30 |
Number of defining phases | 13 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.28 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.61424 |
Number of stations at which the event was observed | 22 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.2 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 95739031 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-09-22 12:25:21 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
MN.TIR.HHZ. | 2021-09-22T12:18:37.14 | 3.0 | positive | manual | Pg | 23.23 | 0 | |||
IV.MCRV.HHZ. | 2021-09-22T12:18:31.03 | 3.0 | undecidable | manual | Sn | -6.78 | 0 | |||
IV.CERA.HNZ. | 2021-09-22T12:18:20.70 | 3.0 | undecidable | manual | Sg | 12.02 | 0 | |||
IV.PTRJ.HNZ. | 2021-09-22T12:18:07.59 | 3.0 | undecidable | manual | Sn | -9.99 | 0 | |||
MN.TRI.HHZ. | 2021-09-22T12:18:01.42 | 3.0 | undecidable | manual | Sg | 15.42 | 0 | |||
IV.PP3.EHZ. | 2021-09-22T12:17:47.69 | 3.0 | undecidable | manual | Sg | 7.89 | 0 | |||
IV.RCAV.EHZ. | 2021-09-22T12:17:40.22 | 3.0 | undecidable | manual | Sn | -9.99 | 0 | |||
CR.ZAG.BHZ. | 2021-09-22T12:17:40.00 | 3.0 | undecidable | manual | Pg | 11.72 | 0 | |||
IV.PTRJ.HNZ. | 2021-09-22T12:17:32.98 | 3.0 | positive | manual | Pg | 6.46 | 0 | |||
IV.ARVD.HHZ. | 2021-09-22T12:17:30.74 | 3.0 | undecidable | manual | Sg | 3.15 | 0 | |||
IV.ATCC.EHZ. | 2021-09-22T12:17:21.82 | 3.0 | undecidable | manual | Sn | -3.94 | 0 | |||
GU.LSD.HHZ. | 2021-09-22T12:17:18.63 | 3.0 | undecidable | manual | Sn | -2.16 | 0 | |||
IV.AGLI.HHZ. | 2021-09-22T12:17:07.17 | 3.0 | undecidable | manual | Pg | 0.09 | 0 | |||
IV.ZEN8.EHZ. | 2021-09-22T12:17:05.44 | 3.0 | undecidable | manual | Sn | 0.22 | 0 | |||
MN.TRI.HHZ. | 2021-09-22T12:17:03.23 | 3.0 | positive | manual | Pn | -4.47 | 0 | |||
IV.CADC.EHZ. | 2021-09-22T12:16:57.90 | 3.0 | undecidable | manual | Sn | 0.66 | 0 | |||
SI.MOSI.HHZ. | 2021-09-22T12:16:55.64 | 3.0 | negative | manual | Pn | -1.1 | 0 | |||
GU.GORR.HHZ. | 2021-09-22T12:16:37.52 | 0.6 | undecidable | manual | S | 315 | 60.9945 | 50 | -0.41 | 44 |
IV.BOB.HHE. | 2021-09-22T12:16:31.33 | 0.1 | undecidable | manual | P | 333 | 68.1762 | 50 | 0.44 | 86 |
GU.GRAM.HHZ. | 2021-09-22T12:16:30.45 | 0.6 | undecidable | manual | S | 31 | 34.743 | 50 | -0.48 | 45 |
GU.GORR.HHZ. | 2021-09-22T12:16:29.68 | 1.0 | undecidable | manual | P | 315 | 60.9945 | 50 | -0.11 | 23 |
IV.MSSA.HHZ. | 2021-09-22T12:16:28.38 | 0.6 | undecidable | manual | S | 292 | 27.75 | 107 | -0.39 | 47 |
GU.EQUI.HHZ. | 2021-09-22T12:16:27.42 | 0.6 | undecidable | manual | S | 104 | 25.5522 | 109 | -0.61 | 44 |
GU.FIVI.HNE. | 2021-09-22T12:16:27.12 | 0.6 | undecidable | manual | S | 85 | 22.8549 | 111 | -0.02 | 51 |
IV.PLMA.HHZ. | 2021-09-22T12:16:25.66 | 0.6 | undecidable | manual | S | 177 | 18.9699 | 115 | -0.25 | 49 |
GU.GRAM.HHZ. | 2021-09-22T12:16:25.86 | 0.1 | undecidable | manual | P | 31 | 34.743 | 50 | 0.12 | 98 |
IV.MSSA.HHZ. | 2021-09-22T12:16:24.57 | 0.1 | undecidable | manual | P | 292 | 27.75 | 107 | 0.08 | 100 |
GU.EQUI.HHZ. | 2021-09-22T12:16:24.12 | 1.0 | positive | manual | P | 104 | 25.5522 | 109 | 0.05 | 25 |
GU.FIVI.HNE. | 2021-09-22T12:16:23.86 | 0.1 | undecidable | manual | P | 85 | 22.8549 | 111 | 0.3 | 96 |
IV.PLMA.HHZ. | 2021-09-22T12:16:23.04 | 0.3 | positive | manual | P | 177 | 18.9699 | 115 | 0.19 | 74 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.PLMA.HHE. | ML:1.0 | 0.00007415 | 0.16 | AML | other | m | 2021-09-22T12:16:25.72 |
IV.PLMA.HHN. | ML:1.1 | 0.00011199999999999998 | 1.62 | AML | other | m | 2021-09-22T12:16:26.11 |
GU.EQUI.HHE. | ML:0.6 | 0.000024141105 | 0.1216 | AML | other | m | 2021-09-22T12:16:28.04 |
GU.EQUI.HHN. | ML:0.5 | 0.00002221044 | 0.0768 | AML | other | m | 2021-09-22T12:16:27.89 |
GU.GRAM.HHE. | ML:1.0 | 0.000042336795000000004 | 0.2624 | AML | other | m | 2021-09-22T12:16:31.94 |
GU.GRAM.HHN. | ML:0.9 | 0.000035351485 | 0.1792 | AML | other | m | 2021-09-22T12:16:26.78 |
GU.GORR.HHE. | ML:0.9 | 0.000014271349 | 0.2368 | AML | other | m | 2021-09-22T12:16:40.07 |
GU.GORR.HHN. | ML:0.7 | 0.0000111694365 | 0.8192 | AML | other | m | 2021-09-22T12:16:38.25 |