A magnitude ML 0.5 earthquake occured in region: 5 km NE Vecchiano (PI), on
and geographic coordinates (lat, lon) 43.8200, 10.4150 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 |
---|---|---|---|---|
Vecchiano | PI | 5 | 12189 | 12189 |
San Giuliano Terme | PI | 7 | 31399 | 43588 |
Lucca | LU | 8 | 89046 | 132634 |
Massarosa | LU | 8 | 22471 | 155105 |
Pisa | PI | 12 | 89158 | 244263 |
Calci | PI | 13 | 6426 | 250689 |
Capannori | LU | 13 | 46252 | 296941 |
Viareggio | LU | 14 | 62467 | 359408 |
Camaiore | LU | 16 | 32513 | 391921 |
Pescaglia | LU | 16 | 3526 | 395447 |
Porcari | LU | 16 | 8845 | 404292 |
Buti | PI | 17 | 5791 | 410083 |
Vicopisano | PI | 19 | 8559 | 418642 |
Cascina | PI | 19 | 45257 | 463899 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
Md 1.2
ML 0.5 |
2021-11-18 21:11:03 |
43.8198 | 10.4147 | 10 | 2021-11-18 21:16:04 |
Sala Sismica INGV-Roma | 97568411 |
Field | Value |
---|---|
Time (UTC) | 2021-11-18 21:11:03 ± 0.5 |
Latitude | 43.8198 ± 0.0099 |
Longitude | 10.4147 ± 0.0561 |
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 | 97568411 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 4509 |
Semi-minor axis of confidence ellipse (meter) | 659 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 84 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 4510.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 232 |
Number of associated phases, regardless of their use for origin computation | 9 |
Number of defining phases | 8 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.33 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.27519 |
Number of stations at which the event was observed | 5 |
Number of stations from which data was used for origin computation | 4 |
Field | Value |
---|---|
Value | 0.5 |
Uncertainty | 0.3 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 97568411 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-11-18 21:16:04 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.1 |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 97568411 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-11-18 21:16:04 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.BDI.HNZ. | 2021-11-18T21:11:14.12 | 0.6 | undecidable | manual | S | 28 | 30.5472 | 50 | -0.06 | 48 |
GU.CARD.HHZ. | 2021-11-18T21:11:11.59 | 0.6 | undecidable | manual | S | 13 | 23.5542 | 114 | -0.69 | 42 |
GU.POPM.HHZ. | 2021-11-18T21:11:10.79 | 3.0 | positive | manual | P | 0 | 0 | |||
IV.PII.HHZ. | 2021-11-18T21:11:09.10 | 0.6 | undecidable | manual | S | 141 | 13.9749 | 126 | -0.31 | 47 |
GU.MAIM.HHZ. | 2021-11-18T21:11:09.30 | 0.6 | undecidable | manual | S | 31 | 12.0768 | 130 | 0.42 | 46 |
IV.BDI.HNZ. | 2021-11-18T21:11:09.69 | 0.1 | undecidable | manual | P | 28 | 30.5472 | 50 | 0.07 | 97 |
GU.CARD.HHZ. | 2021-11-18T21:11:08.43 | 0.3 | positive | manual | P | 13 | 23.5542 | 114 | -0.09 | 73 |
GU.MAIM.HHZ. | 2021-11-18T21:11:07.02 | 0.6 | undecidable | manual | P | 31 | 12.0768 | 130 | 0.47 | 46 |
IV.PII.HHZ. | 2021-11-18T21:11:06.91 | 0.1 | undecidable | manual | P | 141 | 13.9749 | 126 | 0.04 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.PII.HHN. | ML:0.7 | 0.000056750000000000004 | 0.4 | AML | other | m | 2021-11-18T21:11:09.49 |
IV.PII.HHE. | ML:0.8 | 0.00006855 | 0.1 | AML | other | m | 2021-11-18T21:11:09.58 |
GU.MAIM.HHE. | ML:0.2 | 0.000019221120000000003 | 0.1664 | AML | other | m | 2021-11-18T21:11:09.45 |
GU.MAIM.HHN. | ML:0.2 | 0.000022198900000000002 | 0.1152 | AML | other | m | 2021-11-18T21:11:09.46 |
GU.CARD.HHE. | ML:0.4 | 0.0000149717305 | 0.0768 | AML | other | m | 2021-11-18T21:11:11.88 |
GU.CARD.HHN. | ML:0.4 | 0.0000169613531 | 0.064 | AML | other | m | 2021-11-18T21:11:11.87 |