A magnitude ML 0.8 earthquake occured in region: 3 km NW Vecchiano (PI), on
and geographic coordinates (lat, lon) 43.8040, 10.3710 at 11 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 | 3 | 12189 | 12189 |
San Giuliano Terme | PI | 7 | 31399 | 43588 |
Massarosa | LU | 8 | 22471 | 66059 |
Pisa | PI | 10 | 89158 | 155217 |
Lucca | LU | 12 | 89046 | 244263 |
Viareggio | LU | 12 | 62467 | 306730 |
Calci | PI | 15 | 6426 | 313156 |
Camaiore | LU | 16 | 32513 | 345669 |
Capannori | LU | 17 | 46252 | 391921 |
Pescaglia | LU | 19 | 3526 | 395447 |
Buti | PI | 19 | 5791 | 401238 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.8 | 2020-09-21 22:54:33 |
43.804 | 10.3708 | 11 | 2020-09-21 23:08:03 |
Sala Sismica INGV-Roma | 83117971 |
Field | Value |
---|---|
Time (UTC) | 2020-09-21 22:54:33 ± 0.24 |
Latitude | 43.8040 ± 0.0099 |
Longitude | 10.3708 ± 0.0162 |
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 | 83117971 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1480 |
Semi-minor axis of confidence ellipse (meter) | 830 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 238 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1480.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 211 |
Number of associated phases, regardless of their use for origin computation | 18 |
Number of defining phases | 18 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.34 |
Epicentral distance of station closest to the epicenter (degree) | 0.13850 |
Epicentral distance of station farthest from the epicenter (degree) | 0.43887 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 0.8 |
Uncertainty | 0.3 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 83117971 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-09-21 23:08:03 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CRMI.HHZ. | 2020-09-21T22:54:48.07 | 0.6 | undecidable | manual | S | 91 | 48.7179 | 50 | -0.5 | 58 |
GU.POPM.HHZ. | 2020-09-21T22:54:46.39 | 0.6 | undecidable | manual | S | 49 | 40.8258 | 50 | -0.06 | 64 |
MN.VLC.HHZ. | 2020-09-21T22:54:46.25 | 0.3 | undecidable | manual | S | 2 | 39.4272 | 50 | 0.16 | 95 |
GU.SARM.EHE. | 2020-09-21T22:54:46.86 | 0.3 | undecidable | manual | S | 3 | 42.2244 | 50 | 0.03 | 97 |
GU.EQUI.HHZ. | 2020-09-21T22:54:46.15 | 0.3 | undecidable | manual | S | 337 | 43.7229 | 50 | -1.09 | 68 |
IV.BDI.HHZ. | 2020-09-21T22:54:44.42 | 0.6 | undecidable | manual | S | 32 | 33.8439 | 50 | -0.17 | 64 |
IV.CRMI.HHZ. | 2020-09-21T22:54:42.59 | 0.3 | undecidable | manual | P | 91 | 48.7179 | 50 | 0.58 | 84 |
GU.CARD.HHZ. | 2020-09-21T22:54:42.34 | 0.3 | undecidable | manual | S | 20 | 26.1516 | 50 | -0.2 | 96 |
MN.VLC.HHZ. | 2020-09-21T22:54:41.03 | 0.3 | undecidable | manual | P | 2 | 39.4272 | 50 | 0.45 | 89 |
GU.SARM.EHE. | 2020-09-21T22:54:41.41 | 0.3 | undecidable | manual | P | 3 | 42.2244 | 50 | 0.4 | 90 |
GU.EQUI.HHZ. | 2020-09-21T22:54:40.92 | 0.3 | undecidable | manual | P | 337 | 43.7229 | 50 | -0.32 | 91 |
GU.POPM.HHZ. | 2020-09-21T22:54:40.88 | 0.3 | undecidable | manual | P | 49 | 40.8258 | 50 | 0.09 | 96 |
GU.MAIM.HHZ. | 2020-09-21T22:54:39.47 | 0.3 | undecidable | manual | S | 38 | 15.5733 | 125 | -0.18 | 99 |
IV.BDI.HHZ. | 2020-09-21T22:54:39.87 | 0.3 | undecidable | manual | P | 32 | 33.8439 | 50 | 0.15 | 96 |
IV.PII.HHZ. | 2020-09-21T22:54:39.03 | 0.3 | undecidable | manual | S | 126 | 15.3735 | 125 | -0.55 | 90 |
GU.CARD.HHZ. | 2020-09-21T22:54:38.72 | 0.3 | undecidable | manual | P | 20 | 26.1516 | 50 | 0.18 | 97 |
GU.MAIM.HHZ. | 2020-09-21T22:54:37.22 | 0.3 | undecidable | manual | P | 38 | 15.5733 | 125 | 0.36 | 95 |
IV.PII.HHZ. | 2020-09-21T22:54:36.93 | 0.3 | undecidable | manual | P | 126 | 15.3735 | 125 | 0.11 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.PII.HHE. | ML:1.3 | 0.00019 | 0.3 | AML | other | m | 2020-09-21T22:54:39.30 |
IV.PII.HHN. | ML:1.3 | 0.0001705 | 0.3 | AML | other | m | 2020-09-21T22:54:39.30 |
GU.POPM.HHN. | ML:1.0 | 0.00002965 | 0.4 | AML | other | m | 2020-09-21T22:54:46.72 |
GU.CARD.HHE. | ML:0.9 | 0.000046850820000000004 | 0.0768 | AML | other | m | 2020-09-21T22:54:42.50 |
GU.CARD.HHN. | ML:0.9 | 0.000040269755 | 0.1664 | AML | other | m | 2020-09-21T22:54:42.80 |
IV.BDI.HHE. | ML:0.4 | 0.000011109285 | 0.1792 | AML | other | m | 2020-09-21T22:54:45.34 |
IV.BDI.HHN. | ML:0.7 | 0.000017559475 | 0.1024 | AML | other | m | 2020-09-21T22:54:45.36 |
IV.BDI.HNE. | ML:0.9 | 0.000029162865000000003 | 0.9856 | AML | other | m | 2020-09-21T22:54:45.71 |
GU.POPM.HHE. | ML:0.8 | 0.000020749405 | 0.0896 | AML | other | m | 2020-09-21T22:54:46.70 |
MN.VLC.HHE. | ML:0.5 | 0.0000122810375 | 0.128 | AML | other | m | 2020-09-21T22:54:46.46 |
MN.VLC.HHN. | ML:0.6 | 0.000016546196499999998 | 0.7808 | AML | other | m | 2020-09-21T22:54:46.58 |
MN.VLC.HNE. | ML:1.1 | 0.00004023631 | 1.28 | AML | other | m | 2020-09-21T22:54:47.12 |