A magnitude ML 1.2 earthquake occured in region: 1 km E Ponsacco (PI), on
and geographic coordinates (lat, lon) 43.6240, 10.6520 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 |
---|---|---|---|---|
Ponsacco | PI | 1 | 15611 | 15611 |
Pontedera | PI | 5 | 29223 | 44834 |
Capannoli | PI | 5 | 6381 | 51215 |
Calcinaia | PI | 7 | 12439 | 63654 |
Crespina Lorenzana | PI | 9 | 5457 | 69111 |
Santa Maria a Monte | PI | 9 | 13253 | 82364 |
Bientina | PI | 10 | 8062 | 90426 |
Palaia | PI | 10 | 4612 | 95038 |
Vicopisano | PI | 10 | 8559 | 103597 |
Montopoli in Val d'Arno | PI | 10 | 11148 | 114745 |
Peccioli | PI | 10 | 4807 | 119552 |
Cascina | PI | 10 | 45257 | 164809 |
Casciana Terme Lari | PI | 11 | 12529 | 177338 |
Terricciola | PI | 11 | 4627 | 181965 |
Castelfranco di Sotto | PI | 11 | 13427 | 195392 |
Fauglia | PI | 13 | 3682 | 199074 |
Buti | PI | 13 | 5791 | 204865 |
Santa Croce sull'Arno | PI | 14 | 14601 | 219466 |
Collesalvetti | LI | 15 | 16827 | 236293 |
Chianni | PI | 15 | 1392 | 237685 |
Calci | PI | 16 | 6426 | 244111 |
Fucecchio | FI | 17 | 23618 | 267729 |
San Miniato | PI | 17 | 27934 | 295663 |
Lajatico | PI | 18 | 1336 | 296999 |
Santa Luce | PI | 18 | 1684 | 298683 |
Orciano Pisano | PI | 19 | 647 | 299330 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.2 | 2021-10-22 09:05:06 |
43.6245 | 10.652 | 10 | 2021-10-22 09:11:35 |
Sala Sismica INGV-Roma | 96871271 |
Field | Value |
---|---|
Time (UTC) | 2021-10-22 09:05:06 ± 0.09 |
Latitude | 43.6245 ± 0.0045 |
Longitude | 10.6520 ± 0.0099 |
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 | 96871271 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 825 |
Semi-minor axis of confidence ellipse (meter) | 461 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 254 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 820.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 138 |
Number of associated phases, regardless of their use for origin computation | 31 |
Number of defining phases | 15 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.2 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.55308 |
Number of stations at which the event was observed | 23 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.3 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 96871271 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-10-22 09:11:35 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
OT.OT05.EHZ. | 2021-10-22T09:07:01.57 | 3.0 | undecidable | manual | Sn | 3.81 | 0 | |||
IV.TST01.HHZ. | 2021-10-22T09:06:47.45 | 3.0 | undecidable | manual | Sg | 9.61 | 0 | |||
RF.GEPF.HHZ. | 2021-10-22T09:06:46.67 | 3.0 | undecidable | manual | Sg | 11.43 | 0 | |||
IV.GRIS.EHZ. | 2021-10-22T09:06:39.06 | 3.0 | undecidable | manual | Pg | 11.45 | 0 | |||
IV.MILZ.HHZ. | 2021-10-22T09:06:38.18 | 3.0 | undecidable | manual | Pn | -1.54 | 0 | |||
OX.MPRI.HHZ. | 2021-10-22T09:06:31.70 | 3.0 | undecidable | manual | Sn | -1.46 | 0 | |||
IX.NSC3.EHZ.02 | 2021-10-22T09:06:21.96 | 3.0 | undecidable | manual | Pg | 10.47 | 0 | |||
IX.RSF3.HHZ.02 | 2021-10-22T09:06:17.40 | 3.0 | positive | manual | Pn | 6.54 | 0 | |||
OT.OT17.EHZ. | 2021-10-22T09:06:17.18 | 3.0 | positive | manual | Pg | 10.47 | 0 | |||
IV.ACER.HHZ. | 2021-10-22T09:06:16.76 | 3.0 | positive | manual | Pn | -1.85 | 0 | |||
OT.OT05.EHZ. | 2021-10-22T09:06:07.26 | 3.0 | negative | manual | Pn | -1.72 | 0 | |||
IV.GIUL.HHZ. | 2021-10-22T09:05:57.39 | 3.0 | positive | manual | Pg | 6.53 | 0 | |||
IV.ARVD.HHZ. | 2021-10-22T09:05:55.82 | 3.0 | undecidable | manual | Sn | -1.37 | 0 | |||
OX.MPRI.HHZ. | 2021-10-22T09:05:53.67 | 3.0 | undecidable | manual | Pn | -1.49 | 0 | |||
IV.CTI.HHZ. | 2021-10-22T09:05:52.29 | 3.0 | positive | manual | Pg | 4.76 | 0 | |||
IV.ARRO.EHZ. | 2021-10-22T09:05:37.60 | 3.0 | undecidable | manual | Pg | -0.1 | 0 | |||
IV.CSNT.HHE. | 2021-10-22T09:05:23.84 | 0.6 | undecidable | manual | S | 108 | 54.0015 | 50 | -0.19 | 46 |
IV.OSSC.HHN. | 2021-10-22T09:05:23.00 | 0.6 | undecidable | manual | S | 103 | 49.0176 | 50 | 0.3 | 45 |
GU.POPM.HHZ. | 2021-10-22T09:05:22.33 | 0.6 | undecidable | manual | S | 10 | 47.4192 | 50 | 0.06 | 48 |
IV.TRIF.CHE. | 2021-10-22T09:05:18.24 | 0.1 | undecidable | manual | P | 160 | 60.0954 | 50 | 0.5 | 85 |
IV.CRMI.HHZ. | 2021-10-22T09:05:18.28 | 0.6 | undecidable | manual | S | 54 | 32.4453 | 50 | 0.01 | 49 |
GU.MAIM.HHZ. | 2021-10-22T09:05:18.77 | 0.6 | undecidable | manual | S | 338 | 34.5432 | 50 | -0.06 | 49 |
IV.FROS.CHN. | 2021-10-22T09:05:17.88 | 0.1 | undecidable | manual | P | 138 | 61.3941 | 50 | -0.06 | 93 |
IV.OSSC.HHN. | 2021-10-22T09:05:16.03 | 0.1 | undecidable | manual | P | 103 | 49.0176 | 50 | -0.01 | 96 |
IV.CSNT.HHE. | 2021-10-22T09:05:16.51 | 0.1 | undecidable | manual | P | 108 | 54.0015 | 50 | -0.29 | 90 |
GU.POPM.HHZ. | 2021-10-22T09:05:15.84 | 0.6 | positive | manual | P | 10 | 47.4192 | 50 | 0.05 | 48 |
IV.MAGO.CHZ. | 2021-10-22T09:05:14.23 | 0.1 | undecidable | manual | P | 179 | 38.9277 | 50 | -0.26 | 93 |
IV.CRMI.HHZ. | 2021-10-22T09:05:13.63 | 1.0 | positive | manual | P | 54 | 32.4453 | 50 | 0.15 | 24 |
GU.MAIM.HHZ. | 2021-10-22T09:05:13.76 | 1.0 | negative | manual | P | 338 | 34.5432 | 50 | -0.04 | 24 |
IV.PII.HHZ. | 2021-10-22T09:05:13.04 | 0.6 | undecidable | manual | S | 317 | 14.874 | 124 | -0.12 | 50 |
IV.PII.HHZ. | 2021-10-22T09:05:10.62 | 0.1 | positive | manual | P | 317 | 14.874 | 124 | 0.09 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.PII.HHE. | ML:1.4 | 0.000264 | 0.42 | AML | other | m | 2021-10-22T09:05:12.99 |
IV.PII.HHN. | ML:1.6 | 0.00038700000000000003 | 0.82 | AML | other | m | 2021-10-22T09:05:13.68 |
GU.MAIM.HHE. | ML:1.0 | 0.0000436 | 0.52 | AML | other | m | 2021-10-22T09:05:19.15 |
GU.POPM.HHE. | ML:1.4 | 0.0000765 | 0.68 | AML | other | m | 2021-10-22T09:05:23.04 |
GU.POPM.HHN. | ML:1.4 | 0.00007605 | 1.54 | AML | other | m | 2021-10-22T09:05:23.07 |
GU.MAIM.HHN. | ML:1.0 | 0.000041573845 | 0.1216 | AML | other | m | 2021-10-22T09:05:19.01 |
IV.CRMI.HHE. | ML:0.8 | 0.000028633714999999998 | 0.3392 | AML | other | m | 2021-10-22T09:05:19.92 |
IV.CRMI.HHN. | ML:1.0 | 0.000043920819999999996 | 0.256 | AML | other | m | 2021-10-22T09:05:18.28 |