A magnitude ML 0.9 earthquake occured in region: 5 km N San Giuliano Terme (PI), on
and geographic coordinates (lat, lon) 43.8060, 10.4500 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 |
---|---|---|---|---|
San Giuliano Terme | PI | 5 | 31399 | 31399 |
Vecchiano | PI | 6 | 12189 | 43588 |
Lucca | LU | 6 | 89046 | 132634 |
Calci | PI | 10 | 6426 | 139060 |
Pisa | PI | 11 | 89158 | 228218 |
Capannori | LU | 11 | 46252 | 274470 |
Massarosa | LU | 11 | 22471 | 296941 |
Porcari | LU | 14 | 8845 | 305786 |
Buti | PI | 14 | 5791 | 311577 |
Vicopisano | PI | 16 | 8559 | 320136 |
Cascina | PI | 16 | 45257 | 365393 |
Bientina | PI | 17 | 8062 | 373455 |
Viareggio | LU | 17 | 62467 | 435922 |
Altopascio | LU | 18 | 15481 | 451403 |
Montecarlo | LU | 18 | 4428 | 455831 |
Pescaglia | LU | 18 | 3526 | 459357 |
Camaiore | LU | 19 | 32513 | 491870 |
Calcinaia | PI | 19 | 12439 | 504309 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2021-10-30 17:55:17 |
43.8055 | 10.4502 | 10 | 2021-10-30 18:00:36 |
Sala Sismica INGV-Roma | 97095601 |
Field | Value |
---|---|
Time (UTC) | 2021-10-30 17:55:17 ± 0.26 |
Latitude | 43.8055 ± 0.0081 |
Longitude | 10.4502 ± 0.0324 |
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 | 97095601 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 2688 |
Semi-minor axis of confidence ellipse (meter) | 629 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 258 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 2690.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 208 |
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) | 0.29 |
Epicentral distance of station closest to the epicenter (degree) | 0.09982 |
Epicentral distance of station farthest from the epicenter (degree) | 0.38221 |
Number of stations at which the event was observed | 7 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.3 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 97095601 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-10-30 18:00:36 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.SARM.EHE. | 2021-10-30T17:55:30.81 | 0.6 | undecidable | manual | S | 355 | 42.2244 | 50 | -0.41 | 44 |
IV.BDI.HHE. | 2021-10-30T17:55:27.98 | 0.6 | undecidable | manual | S | 22 | 30.8469 | 50 | -0.21 | 47 |
GU.SARM.EHE. | 2021-10-30T17:55:25.45 | 0.3 | undecidable | manual | P | 355 | 42.2244 | 50 | 0.16 | 69 |
IV.CRMI.HHE. | 2021-10-30T17:55:25.58 | 0.6 | undecidable | manual | P | 91 | 42.4242 | 50 | 0.25 | 45 |
GU.CARD.HHZ. | 2021-10-30T17:55:25.61 | 0.6 | undecidable | manual | S | 6 | 24.6531 | 111 | -0.74 | 40 |
GU.POPM.HHZ. | 2021-10-30T17:55:24.43 | 0.1 | undecidable | manual | P | 43 | 36.1416 | 50 | 0.07 | 95 |
IV.BDI.HHE. | 2021-10-30T17:55:23.58 | 0.1 | undecidable | manual | P | 22 | 30.8469 | 50 | 0.04 | 97 |
GU.CARD.HHZ. | 2021-10-30T17:55:22.46 | 0.1 | undecidable | manual | P | 6 | 24.6531 | 111 | -0.02 | 98 |
GU.MAIM.HHZ. | 2021-10-30T17:55:22.81 | 0.6 | undecidable | manual | S | 16 | 12.3765 | 128 | 0.18 | 48 |
IV.PII.HHZ. | 2021-10-30T17:55:21.79 | 0.6 | undecidable | manual | S | 147 | 11.0778 | 131 | -0.47 | 46 |
GU.MAIM.HHZ. | 2021-10-30T17:55:20.82 | 0.1 | undecidable | manual | P | 16 | 12.3765 | 128 | 0.49 | 91 |
IV.PII.HHZ. | 2021-10-30T17:55:20.08 | 0.1 | undecidable | manual | P | 147 | 11.0778 | 131 | -0.04 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.PII.HHN. | ML:1.3 | 0.00027049999999999996 | 0.08 | AML | other | m | 2021-10-30T17:55:22.08 |
IV.PII.HHE. | ML:1.5 | 0.0003545 | 0.24 | AML | other | m | 2021-10-30T17:55:22.09 |
GU.MAIM.HHN. | ML:0.9 | 0.00008985 | 0.16 | AML | other | m | 2021-10-30T17:55:23.27 |
GU.MAIM.HHE. | ML:0.8 | 0.00007135 | 0.32 | AML | other | m | 2021-10-30T17:55:23.11 |
GU.CARD.HHE. | ML:1.0 | 0.00005906337 | 0.1536 | AML | other | m | 2021-10-30T17:55:26.05 |
GU.CARD.HHN. | ML:0.8 | 0.000034106015 | 0.064 | AML | other | m | 2021-10-30T17:55:26.30 |
GU.POPM.HHE. | ML:0.7 | 0.000018020005450000003 | 1.0368 | AML | other | m | 2021-10-30T17:55:43.07 |
GU.POPM.HHN. | ML:0.6 | 0.000013447435 | 0.1792 | AML | other | m | 2021-10-30T17:55:25.20 |