A magnitude ML 1.1 earthquake occured in region: 4 km S San Miniato (PI), on
and geographic coordinates (lat, lon) 43.6450, 10.8610 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 |
---|---|---|---|---|
San Miniato | PI | 4 | 27934 | 27934 |
Palaia | PI | 8 | 4612 | 32546 |
Montopoli in Val d'Arno | PI | 8 | 11148 | 43694 |
Castelfiorentino | FI | 10 | 17504 | 61198 |
Santa Croce sull'Arno | PI | 10 | 14601 | 75799 |
Fucecchio | FI | 10 | 23618 | 99417 |
Empoli | FI | 11 | 48109 | 147526 |
Montaione | FI | 11 | 3700 | 151226 |
Castelfranco di Sotto | PI | 11 | 13427 | 164653 |
Cerreto Guidi | FI | 13 | 10870 | 175523 |
Gambassi Terme | FI | 14 | 4870 | 180393 |
Capraia e Limite | FI | 14 | 7670 | 188063 |
Santa Maria a Monte | PI | 15 | 13253 | 201316 |
Peccioli | PI | 16 | 4807 | 206123 |
Montelupo Fiorentino | FI | 16 | 14098 | 220221 |
Capannoli | PI | 16 | 6381 | 226602 |
Vinci | FI | 17 | 14604 | 241206 |
Montespertoli | FI | 17 | 13537 | 254743 |
Pontedera | PI | 18 | 29223 | 283966 |
Certaldo | FI | 18 | 16121 | 300087 |
Ponsacco | PI | 18 | 15611 | 315698 |
Lamporecchio | PT | 19 | 7508 | 323206 |
Terricciola | PI | 20 | 4627 | 327833 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2023-05-16 01:11:24 |
43.6453 | 10.8608 | 9 | 2023-05-16 01:34:59 |
Sala Sismica INGV-Roma | 117393281 |
Field | Value |
---|---|
Time (UTC) | 2023-05-16 01:11:24 ± 0.23 |
Latitude | 43.6453 ± 0.0108 |
Longitude | 10.8608 ± 0.0112 |
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 | 117393281 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1253 |
Semi-minor axis of confidence ellipse (meter) | 325 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 21 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1250.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 175 |
Number of associated phases, regardless of their use for origin computation | 12 |
Number of defining phases | 12 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.4 |
Epicentral distance of station closest to the epicenter (degree) | 0.17267 |
Epicentral distance of station farthest from the epicenter (degree) | 0.45865 |
Number of stations at which the event was observed | 6 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.1 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 117393281 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-05-16 01:34:59 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.BDI.HHZ. | 2023-05-16T01:11:41.63 | 0.1 | undecidable | manual | S | 335 | 50.9157 | 50 | 0.7 | 82 |
GU.POPM.HHZ. | 2023-05-16T01:11:39.20 | 0.1 | undecidable | manual | S | 349 | 45.1215 | 50 | -0.17 | 96 |
GU.MAIM.HHZ. | 2023-05-16T01:11:37.67 | 0.1 | undecidable | manual | S | 315 | 41.9247 | 50 | -0.85 | 78 |
IV.OSSC.HHZ. | 2023-05-16T01:11:36.21 | 0.1 | undecidable | manual | S | 113 | 33.744 | 50 | -0.13 | 99 |
IV.BDI.HHZ. | 2023-05-16T01:11:34.50 | 0.6 | undecidable | manual | P | 335 | 50.9157 | 50 | 0.58 | 43 |
IV.PII.HHZ. | 2023-05-16T01:11:34.47 | 0.1 | undecidable | manual | S | 288 | 28.2495 | 107 | -0.13 | 100 |
GU.POPM.HHZ. | 2023-05-16T01:11:33.22 | 0.6 | negative | manual | P | 349 | 45.1215 | 50 | 0.2 | 48 |
GU.MAIM.HHZ. | 2023-05-16T01:11:32.68 | 0.3 | undecidable | manual | P | 315 | 41.9247 | 50 | 0.15 | 73 |
IV.OSSC.HHZ. | 2023-05-16T01:11:31.25 | 0.3 | undecidable | manual | P | 113 | 33.744 | 50 | -0.02 | 76 |
IV.CRMI.HHZ. | 2023-05-16T01:11:31.38 | 0.1 | undecidable | manual | S | 30 | 19.1697 | 114 | -0.27 | 99 |
IV.PII.HHZ. | 2023-05-16T01:11:30.82 | 1.0 | undecidable | manual | P | 288 | 28.2495 | 107 | 0.56 | 23 |
IV.CRMI.HHZ. | 2023-05-16T01:11:28.76 | 0.1 | positive | manual | P | 30 | 19.1697 | 114 | 0.2 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.PII.HHN. | ML:1.3 | 0.0001101 | 1.66 | AML | other | m | 2023-05-16T01:11:30.94 |
IV.PII.HHE. | ML:1.3 | 0.0000968 | 1.52 | AML | other | m | 2023-05-16T01:11:31.90 |
IV.CRMI.HHN. | ML:1.0 | 0.00008565000000000001 | 0.14 | AML | other | m | 2023-05-16T01:11:31.65 |
IV.CRMI.HHE. | ML:1.0 | 0.00007205 | 0.48 | AML | other | m | 2023-05-16T01:11:31.69 |
IV.OSSC.HHE. | ML:1.2 | 0.00006135 | 1.46 | AML | other | m | 2023-05-16T01:11:37.10 |
IV.OSSC.HHN. | ML:1.1 | 0.000050799999999999995 | 0.4 | AML | other | m | 2023-05-16T01:11:37.47 |
GU.POPM.HHE. | ML:1.2 | 0.000046649999999999996 | 0.2 | AML | other | m | 2023-05-16T01:11:39.56 |
GU.POPM.HHN. | ML:1.2 | 0.000046 | 0.34 | AML | other | m | 2023-05-16T01:11:40.27 |
IV.BDI.HHN. | ML:1.1 | 0.000034250000000000006 | 0.14 | AML | other | m | 2023-05-16T01:11:41.14 |
IV.BDI.HHE. | ML:1.1 | 0.000032600000000000006 | 0.94 | AML | other | m | 2023-05-16T01:11:41.74 |