A magnitude ML 1.4 earthquake occured in region: 3 km NE Ameglia (SP), on
and geographic coordinates (lat, lon) 44.0820, 9.9870 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 |
---|---|---|---|---|
Ameglia | SP | 3 | 4365 | 4365 |
Castelnuovo Magra | SP | 3 | 8415 | 12780 |
Sarzana | SP | 4 | 21976 | 34756 |
Ortonovo | SP | 5 | 8277 | 43033 |
Lerici | SP | 6 | 10228 | 53261 |
Fosdinovo | MS | 7 | 4883 | 58144 |
Arcola | SP | 7 | 10607 | 68751 |
Carrara | MS | 9 | 63133 | 131884 |
Vezzano Ligure | SP | 11 | 7356 | 139240 |
Santo Stefano di Magra | SP | 11 | 9360 | 148600 |
Portovenere | SP | 12 | 3630 | 152230 |
La Spezia | SP | 13 | 93959 | 246189 |
Follo | SP | 13 | 6337 | 252526 |
Massa | MS | 13 | 69479 | 322005 |
Bolano | SP | 14 | 7813 | 329818 |
Podenzana | MS | 14 | 2180 | 331998 |
Aulla | MS | 14 | 11263 | 343261 |
Montignoso | MS | 17 | 10323 | 353584 |
Tresana | MS | 18 | 2044 | 355628 |
Riccò del Golfo di Spezia | SP | 20 | 3698 | 359326 |
Forte dei Marmi | LU | 20 | 7510 | 366836 |
Riomaggiore | SP | 20 | 1576 | 368412 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.4 | 2023-06-28 17:40:40 |
44.0818 | 9.9868 | 9 | 2023-06-28 17:52:03 |
Sala Sismica INGV-Roma | 118786251 |
Field | Value |
---|---|
Time (UTC) | 2023-06-28 17:40:40 ± 0.14 |
Latitude | 44.0818 ± 0.0099 |
Longitude | 9.9868 ± 0.0100 |
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 | 118786251 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 934 |
Semi-minor axis of confidence ellipse (meter) | 866 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 209 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 930.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 137 |
Number of associated phases, regardless of their use for origin computation | 36 |
Number of defining phases | 24 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.41 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.83727 |
Number of stations at which the event was observed | 24 |
Number of stations from which data was used for origin computation | 13 |
Field | Value |
---|---|
Value | 1.4 |
Uncertainty | 0.1 |
Num. used stations | 14 |
Type of magnitude | ML |
Reference to an origin | 118786251 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-06-28 17:52:03 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.VAGA.HHZ. | 2023-06-28T17:42:32.10 | 3.0 | undecidable | manual | Sn | -0.36 | 0 | |||
MN.TRI.HHZ. | 2023-06-28T17:42:17.81 | 3.0 | undecidable | manual | Sg | 10.95 | 0 | |||
IX.SCL3.EHZ.02 | 2023-06-28T17:42:11.46 | 3.0 | undecidable | manual | Pg | 10.93 | 0 | |||
IV.FDMO.HHZ. | 2023-06-28T17:41:51.15 | 3.0 | undecidable | manual | Sn | -0.98 | 0 | |||
IV.ATCC.EHZ. | 2023-06-28T17:41:50.13 | 3.0 | undecidable | manual | Sg | 6.78 | 0 | |||
IV.LATE.HHZ. | 2023-06-28T17:41:45.36 | 3.0 | undecidable | manual | Sg | 4.61 | 0 | |||
IV.LRP.EHZ. | 2023-06-28T17:41:36.67 | 3.0 | undecidable | manual | Pn | -0.39 | 0 | |||
GU.IMI.HHZ. | 2023-06-28T17:41:32.10 | 3.0 | undecidable | manual | S | 0.02 | 0 | |||
GU.CANO.HHZ. | 2023-06-28T17:41:25.68 | 3.0 | undecidable | manual | S | 0.11 | 0 | |||
GU.RORO.HHZ. | 2023-06-28T17:41:24.86 | 3.0 | undecidable | manual | S | -3.7 | 0 | |||
IV.CRMI.HHZ. | 2023-06-28T17:41:06.40 | 0.6 | undecidable | manual | S | 111 | 85.4478 | 50 | 0.33 | 43 |
GU.POPM.HHZ. | 2023-06-28T17:41:00.00 | 0.1 | undecidable | manual | S | 94 | 61.494 | 50 | 0.31 | 90 |
GU.RNCA.HHZ. | 2023-06-28T17:40:57.24 | 0.1 | undecidable | manual | P | 298 | 92.9403 | 50 | 0.9 | 69 |
IV.ERBM.EHN. | 2023-06-28T17:40:56.68 | 0.6 | undecidable | manual | S | 42 | 50.5161 | 50 | -0.06 | 49 |
IV.BDI.HHZ. | 2023-06-28T17:40:56.00 | 0.1 | undecidable | manual | S | 92 | 48.5181 | 50 | -0.23 | 94 |
IV.CRMI.HHZ. | 2023-06-28T17:40:55.75 | 0.1 | undecidable | manual | P | 111 | 85.4478 | 50 | 0.56 | 81 |
GU.GORR.HHE. | 2023-06-28T17:40:54.08 | 0.1 | undecidable | manual | P | 317 | 80.1642 | 50 | -0.3 | 87 |
GU.GRAM.HHZ. | 2023-06-28T17:40:54.80 | 0.3 | undecidable | manual | S | 8 | 45.7209 | 50 | -0.68 | 62 |
GU.MAIM.HHZ. | 2023-06-28T17:40:54.35 | 0.1 | undecidable | manual | S | 115 | 44.4222 | 50 | -0.77 | 80 |
GU.CARD.HHZ. | 2023-06-28T17:40:53.10 | 0.3 | undecidable | manual | S | 99 | 39.9267 | 50 | -0.83 | 59 |
GU.SARM.EHZ. | 2023-06-28T17:40:52.18 | 0.3 | undecidable | manual | S | 71 | 34.8429 | 50 | -0.39 | 70 |
MN.VLC.HHZ. | 2023-06-28T17:40:51.60 | 0.3 | undecidable | manual | S | 75 | 32.9448 | 50 | -0.47 | 69 |
GU.POPM.HHZ. | 2023-06-28T17:40:51.95 | 0.1 | undecidable | manual | P | 94 | 61.494 | 50 | 0.45 | 88 |
IV.ERBM.EHN. | 2023-06-28T17:40:50.52 | 0.3 | undecidable | manual | P | 42 | 50.5161 | 50 | 0.72 | 61 |
GU.GRAM.HHZ. | 2023-06-28T17:40:49.10 | 0.6 | positive | manual | P | 8 | 45.7209 | 50 | 0.03 | 49 |
IV.BDI.HHZ. | 2023-06-28T17:40:49.77 | 0.1 | undecidable | manual | P | 92 | 48.5181 | 50 | 0.26 | 93 |
GU.MAIM.HHZ. | 2023-06-28T17:40:49.11 | 0.3 | undecidable | manual | P | 115 | 44.4222 | 50 | 0.24 | 71 |
GU.CARD.HHZ. | 2023-06-28T17:40:48.35 | 0.1 | undecidable | manual | P | 99 | 39.9267 | 50 | 0.17 | 97 |
MN.VLC.HHZ. | 2023-06-28T17:40:47.21 | 0.1 | undecidable | manual | P | 75 | 32.9448 | 50 | 0.11 | 99 |
GU.SARM.EHZ. | 2023-06-28T17:40:47.45 | 0.1 | undecidable | manual | P | 71 | 34.8429 | 50 | 0.05 | 100 |
IV.FIVI.HNZ. | 2023-06-28T17:40:47.71 | 3.0 | undecidable | manual | S | 0 | ||||
GU.EQUI.HHZ. | 2023-06-28T17:40:46.60 | 0.3 | undecidable | manual | S | 55 | 16.1727 | 119 | -0.12 | 76 |
GU.EQUI.HHZ. | 2023-06-28T17:40:44.27 | 0.1 | undecidable | manual | P | 55 | 16.1727 | 119 | 0.25 | 99 |
IV.PLMA.HHZ. | 2023-06-28T17:40:44.60 | 0.1 | undecidable | manual | S | 252 | 11.1777 | 128 | -0.67 | 89 |
IV.PLMA.HHZ. | 2023-06-28T17:40:43.14 | 0.3 | undecidable | manual | P | 252 | 11.1777 | 128 | -0.04 | 78 |
IV.FIVI.HNZ. | 2023-06-28T17:40:42.80 | 3.0 | undecidable | manual | P | 0 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
GU.EQUI.HHN. | ML:1.2 | 0.00014600000000000003 | 0.12 | AML | other | m | 2023-06-28T17:40:47.19 |
GU.EQUI.HHE. | ML:1.3 | 0.000193 | 0.26 | AML | other | m | 2023-06-28T17:40:47.15 |
MN.VLC.HHE. | ML:1.5 | 0.00012590000000000002 | 0.46 | AML | other | m | 2023-06-28T17:40:52.33 |
MN.VLC.HHN. | ML:1.3 | 0.000082 | 0.1 | AML | other | m | 2023-06-28T17:40:52.24 |
MN.VLC.HNN. | ML:1.2 | 0.00007544999999999999 | 0.12 | AML | other | m | 2023-06-28T17:40:52.30 |
MN.VLC.HNE. | ML:1.4 | 0.00010575000000000001 | 0.42 | AML | other | m | 2023-06-28T17:40:53.49 |
GU.CARD.HHN. | ML:1.6 | 0.000124 | 1.3 | AML | other | m | 2023-06-28T17:40:54.12 |
GU.CARD.HHE. | ML:1.6 | 0.00014199999999999998 | 0.1 | AML | other | m | 2023-06-28T17:40:54.18 |
GU.GRAM.HHE. | ML:1.5 | 0.00008299999999999998 | 0.16 | AML | other | m | 2023-06-28T17:40:55.79 |
GU.GRAM.HHN. | ML:1.4 | 0.00006375 | 0.16 | AML | other | m | 2023-06-28T17:40:55.72 |
IV.BDI.HHE. | ML:1.2 | 0.0000427 | 0.1 | AML | other | m | 2023-06-28T17:40:56.70 |
IV.BDI.HHN. | ML:1.3 | 0.0000556 | 0.8 | AML | other | m | 2023-06-28T17:40:57.52 |
GU.POPM.HHN. | ML:1.6 | 0.00006805 | 0.12 | AML | other | m | 2023-06-28T17:41:00.60 |
GU.POPM.HHE. | ML:1.4 | 0.000056800000000000005 | 0.14 | AML | other | m | 2023-06-28T17:41:01.09 |