A magnitude ML 1.3 earthquake occured in region: 2 km E Montieri (GR), on
and geographic coordinates (lat, lon) 43.1360, 11.0430 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 |
---|---|---|---|---|
Montieri | GR | 2 | 1204 | 1204 |
Chiusdino | SI | 4 | 1903 | 3107 |
Monticiano | SI | 11 | 1571 | 4678 |
Castelnuovo di Val di Cecina | PI | 14 | 2231 | 6909 |
Radicondoli | SI | 14 | 914 | 7823 |
Monterotondo Marittimo | GR | 15 | 1371 | 9194 |
Massa Marittima | GR | 16 | 8375 | 17569 |
Roccastrada | GR | 17 | 9199 | 26768 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.3 | 2023-05-12 20:58:12 |
43.1363 | 11.043 | 11 | 2023-05-12 21:06:20 |
Sala Sismica INGV-Roma | 117300841 |
Field | Value |
---|---|
Time (UTC) | 2023-05-12 20:58:12 ± 0.23 |
Latitude | 43.1363 ± 0.0099 |
Longitude | 11.0430 ± 0.0173 |
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 | 117300841 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1334 |
Semi-minor axis of confidence ellipse (meter) | 1040 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 299 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1330.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 187 |
Number of associated phases, regardless of their use for origin computation | 18 |
Number of defining phases | 12 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.3 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.38131 |
Number of stations at which the event was observed | 12 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.3 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 117300841 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-05-12 21:06:20 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CELB.HHZ. | 2023-05-12T20:58:27.07 | 3.0 | negative | manual | P | 0.21 | 0 | |||
IV.CASP.HHZ. | 2023-05-12T20:58:25.04 | 0.6 | undecidable | manual | S | 201 | 40.9257 | 50 | -0.72 | 40 |
IV.CSNT.HHZ. | 2023-05-12T20:58:25.81 | 0.6 | undecidable | manual | S | 28 | 42.3243 | 50 | -0.32 | 45 |
IV.MALA2.EHE. | 2023-05-12T20:58:24.70 | 0.6 | undecidable | manual | S | 113 | 38.2284 | 50 | -0.33 | 45 |
IV.CAFI.HHZ. | 2023-05-12T20:58:24.53 | 3.0 | undecidable | manual | P | -2.12 | 0 | |||
IV.MALA1.EHE. | 2023-05-12T20:58:24.81 | 0.6 | undecidable | manual | S | 113 | 38.1285 | 50 | -0.19 | 46 |
IV.MALA0.EHE. | 2023-05-12T20:58:24.65 | 0.6 | undecidable | manual | S | 112 | 37.8288 | 50 | -0.27 | 46 |
IV.OSSC.HHZ. | 2023-05-12T20:58:21.32 | 3.0 | undecidable | manual | P | 0.16 | 0 | |||
IV.ARCI.HHZ. | 2023-05-12T20:58:21.42 | 3.0 | undecidable | manual | P | -0.18 | 0 | |||
IV.CASP.HHZ. | 2023-05-12T20:58:20.25 | 1.0 | undecidable | manual | P | 201 | 40.9257 | 50 | 0.21 | 23 |
IV.CSNT.HHZ. | 2023-05-12T20:58:20.45 | 0.3 | negative | manual | P | 28 | 42.3243 | 50 | 0.19 | 69 |
IV.MALA0.EHE. | 2023-05-12T20:58:19.91 | 0.1 | undecidable | manual | P | 112 | 37.8288 | 50 | 0.35 | 90 |
IV.MALA2.EHE. | 2023-05-12T20:58:19.89 | 0.1 | undecidable | manual | P | 113 | 38.2284 | 50 | 0.27 | 91 |
IV.MALA1.EHE. | 2023-05-12T20:58:19.87 | 0.1 | undecidable | manual | P | 113 | 38.1285 | 50 | 0.26 | 91 |
IV.FROS.CHZ. | 2023-05-12T20:58:17.30 | 0.6 | undecidable | manual | S | 48 | 12.2766 | 130 | -0.53 | 45 |
IV.RIBO.EHZ.01 | 2023-05-12T20:58:16.93 | 3.0 | undecidable | manual | P | -0.01 | 0 | |||
IV.TRIF.CHZ. | 2023-05-12T20:58:15.00 | 3.0 | negative | manual | P | -0.09 | 0 | |||
IV.FROS.CHZ. | 2023-05-12T20:58:15.50 | 0.1 | positive | manual | P | 48 | 12.2766 | 130 | 0.04 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.TRIF.CHN. | ML:1.8 | 0.000742 | 0.08 | AML | other | m | 2023-05-12T20:58:16.63 |
IV.TRIF.CHE. | ML:1.7 | 0.00061 | 0.14 | AML | other | m | 2023-05-12T20:58:16.95 |
IV.FROS.CHN. | ML:1.1 | 0.0001255 | 0.98 | AML | other | m | 2023-05-12T20:58:17.78 |
IV.FROS.CHE. | ML:1.1 | 0.000127 | 1.58 | AML | other | m | 2023-05-12T20:58:18.07 |
IV.CASP.HHE. | ML:1.3 | 0.00006850000000000001 | 0.16 | AML | other | m | 2023-05-12T20:58:25.34 |
IV.CASP.HHN. | ML:1.2 | 0.000048299999999999995 | 0.12 | AML | other | m | 2023-05-12T20:58:25.26 |