A magnitude ML 1.8 earthquake occured in region: 7 km E Castelnuovo di Val di Cecina (PI), on
and geographic coordinates (lat, lon) 43.1940, 10.9930 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 |
---|---|---|---|---|
Castelnuovo di Val di Cecina | PI | 7 | 2231 | 2231 |
Montieri | GR | 7 | 1204 | 3435 |
Radicondoli | SI | 9 | 914 | 4349 |
Chiusdino | SI | 9 | 1903 | 6252 |
Monterotondo Marittimo | GR | 12 | 1371 | 7623 |
Pomarance | PI | 15 | 5897 | 13520 |
Monticiano | SI | 16 | 1571 | 15091 |
Casole d'Elsa | SI | 17 | 3897 | 18988 |
Massa Marittima | GR | 18 | 8375 | 27363 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.8 | 2023-05-16 08:16:20 |
43.1943 | 10.9932 | 10 | 2023-05-16 08:26:38 |
Sala Sismica INGV-Roma | 117401491 |
Field | Value |
---|---|
Time (UTC) | 2023-05-16 08:16:20 ± 0.12 |
Latitude | 43.1943 ± 0.0072 |
Longitude | 10.9932 ± 0.0123 |
Depth (km) | 10 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 117401491 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1059 |
Semi-minor axis of confidence ellipse (meter) | 302 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 123 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1060.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 127 |
Number of associated phases, regardless of their use for origin computation | 16 |
Number of defining phases | 16 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.34 |
Epicentral distance of station closest to the epicenter (degree) | 0.10342 |
Epicentral distance of station farthest from the epicenter (degree) | 0.72665 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.3 |
Num. used stations | 14 |
Type of magnitude | ML |
Reference to an origin | 117401491 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-05-16 08:26:38 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ARCI.HHZ. | 2023-05-16T08:16:37.83 | 0.6 | undecidable | manual | S | 134 | 54.501 | 50 | -0.27 | 44 |
IV.CELB.HHZ. | 2023-05-16T08:16:35.07 | 0.1 | undecidable | manual | P | 232 | 80.6637 | 50 | 0.26 | 84 |
IV.CASP.HHZ. | 2023-05-16T08:16:35.44 | 0.6 | undecidable | manual | S | 193 | 45.9207 | 50 | -0.38 | 44 |
IV.OSSC.HHZ. | 2023-05-16T08:16:34.35 | 0.6 | undecidable | manual | S | 29 | 41.8248 | 50 | -0.36 | 44 |
IV.CSNT.HHZ. | 2023-05-16T08:16:33.50 | 0.3 | undecidable | manual | S | 38 | 39.1275 | 50 | -0.49 | 65 |
IV.CRMI.HHN. | 2023-05-16T08:16:32.81 | 0.1 | undecidable | manual | P | 359 | 66.6777 | 50 | 0.15 | 88 |
IV.ARCI.HHZ. | 2023-05-16T08:16:31.31 | 0.1 | undecidable | manual | P | 134 | 54.501 | 50 | 0.53 | 83 |
IV.RIBO.EHZ. | 2023-05-16T08:16:30.26 | 0.6 | undecidable | manual | S | 171 | 27.5502 | 50 | -0.64 | 42 |
IV.CASP.HHZ. | 2023-05-16T08:16:30.15 | 0.3 | negative | manual | P | 193 | 45.9207 | 50 | 0.69 | 59 |
IV.CSNT.HHZ. | 2023-05-16T08:16:28.45 | 0.6 | undecidable | manual | P | 38 | 39.1275 | 50 | 0.04 | 47 |
IV.OSSC.HHZ. | 2023-05-16T08:16:28.80 | 0.1 | undecidable | manual | P | 29 | 41.8248 | 50 | -0.02 | 95 |
IV.RIBO.EHZ. | 2023-05-16T08:16:26.66 | 0.1 | undecidable | manual | P | 171 | 27.5502 | 50 | 0.03 | 97 |
IV.FROS.CHZ. | 2023-05-16T08:16:26.42 | 0.3 | undecidable | manual | S | 83 | 13.2756 | 126 | -0.07 | 74 |
IV.TRIF.CHZ. | 2023-05-16T08:16:25.37 | 0.3 | undecidable | manual | S | 220 | 11.4774 | 130 | -0.62 | 65 |
IV.FROS.CHZ. | 2023-05-16T08:16:24.33 | 0.1 | negative | manual | P | 83 | 13.2756 | 126 | 0.25 | 95 |
IV.TRIF.CHZ. | 2023-05-16T08:16:23.81 | 0.1 | negative | manual | P | 220 | 11.4774 | 130 | 0.02 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.TRIF.CHE. | ML:0.0 | 0.00293 | 0.12 | AML | other | m | 2023-05-16T08:16:25.83 |
IV.TRIF.CHN. | ML:0.0 | 0.0029100000000000003 | 0.24 | AML | other | m | 2023-05-16T08:16:26.01 |
IV.FROS.CHE. | ML:1.8 | 0.000789 | 0.1 | AML | other | m | 2023-05-16T08:16:26.64 |
IV.FROS.CHN. | ML:1.9 | 0.0009419999999999999 | 0.34 | AML | other | m | 2023-05-16T08:16:26.65 |
IV.RIBO.EHN.01 | ML:2.0 | 0.0005124999999999999 | 0.76 | AML | other | m | 2023-05-16T08:16:30.77 |
IV.RIBO.EHE.01 | ML:1.9 | 0.0004195 | 0.18 | AML | other | m | 2023-05-16T08:16:30.72 |
IV.CSNT.HHE. | ML:0.0 | 0.000122 | 0.12 | AML | other | m | 2023-05-16T08:16:33.93 |
IV.CSNT.HHN. | ML:0.0 | 0.0001185 | 1.66 | AML | other | m | 2023-05-16T08:16:33.94 |
IV.OSSC.HHE. | ML:1.7 | 0.000162 | 0.14 | AML | other | m | 2023-05-16T08:16:35.21 |
IV.CASP.HHN. | ML:1.9 | 0.00024349999999999998 | 0.16 | AML | other | m | 2023-05-16T08:16:35.63 |
IV.CASP.HHE. | ML:1.7 | 0.000157 | 1.18 | AML | other | m | 2023-05-16T08:16:36.05 |
IV.OSSC.HHN. | ML:1.4 | 0.00007769999999999999 | 0.92 | AML | other | m | 2023-05-16T08:16:37.62 |
IV.RIBO.EHN. | ML:0.0 | 0.0005124999999999999 | 0.76 | AML | other | m | 2023-05-16T08:16:30.77 |
IV.RIBO.EHE. | ML:0.0 | 0.0004195 | 0.18 | AML | other | m | 2023-05-16T08:16:30.72 |
IV.ARCI.HHE. | ML:1.6 | 0.000083795155 | 2.9824 | AML | other | m | 2023-05-16T08:16:41.30 |
IV.ARCI.HHN. | ML:1.1 | 0.000030916124 | 1.2992 | AML | other | m | 2023-05-16T08:16:38.08 |