A magnitude ML 0.9 earthquake occured in region: 5 km SE Massarosa (LU), on
and geographic coordinates (lat, lon) 43.8290, 10.3600 at 10 km depth.
The earthquake was located by: Bollettino Sismico Italiano INGV.
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 |
---|---|---|---|---|
Massarosa | LU | 5 | 22471 | 22471 |
Vecchiano | PI | 6 | 12189 | 34660 |
Viareggio | LU | 10 | 62467 | 97127 |
San Giuliano Terme | PI | 10 | 31399 | 128526 |
Lucca | LU | 12 | 89046 | 217572 |
Pisa | PI | 13 | 89158 | 306730 |
Camaiore | LU | 13 | 32513 | 339243 |
Pescaglia | LU | 16 | 3526 | 342769 |
Calci | PI | 17 | 6426 | 349195 |
Capannori | LU | 17 | 46252 | 395447 |
Pietrasanta | LU | 18 | 24007 | 419454 |
Stazzema | LU | 20 | 3193 | 422647 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 0.9 | 2021-09-05 09:48:33 |
43.8288 | 10.3603 | 10 | 2022-03-30 13:04:05 |
Bollettino Sismico Italiano INGV | 95388021 |
Reviewed Rev100 |
ML 0.8 | 2021-09-05 09:48:33 |
43.823 | 10.314 | 6 | 2021-09-05 09:58:36 |
Sala Sismica INGV-Roma | 95067501 |
Field | Value |
---|---|
Time (UTC) | 2021-09-05 09:48:33 ± 0.21 |
Latitude | 43.8288 ± 0.0072 |
Longitude | 10.3603 ± 0.0175 |
Depth (km) | 10 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 95388021 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1409 |
Semi-minor axis of confidence ellipse (meter) | 663 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 78 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1410.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 204 |
Number of associated phases, regardless of their use for origin computation | 39 |
Number of defining phases | 14 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.28 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.44786 |
Number of stations at which the event was observed | 32 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 95388021 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-09-13 14:54:00 |
Field | Value |
---|---|
Value | 0.8 |
Uncertainty | 0.3 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 95067501 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-09-05 09:58:36 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
MN.PDG.HHZ. | 2021-09-05T09:50:20.88 | 3.0 | undecidable | manual | Pg | 25.440001 | 0 | |||
SL.LJU.BHZ. | 2021-09-05T09:50:13.87 | 3.0 | undecidable | manual | Sg | 11.83 | 0 | |||
IV.MFNL.HHZ. | 2021-09-05T09:50:12.17 | 3.0 | negative | manual | Pg | 17.82 | 0 | |||
SI.ROSI.HHZ. | 2021-09-05T09:50:06.88 | 3.0 | undecidable | manual | Sg | 5.95 | 0 | |||
IV.AMUR.HHZ. | 2021-09-05T09:49:56.47 | 3.0 | undecidable | manual | Pg | 17.57 | 0 | |||
IV.ILOS.HHZ. | 2021-09-05T09:49:55.08 | 3.0 | negative | manual | Pn | 1.77 | 0 | |||
IV.PLLN.EHZ. | 2021-09-05T09:49:52.99 | 3.0 | positive | manual | Pn | -2.44 | 0 | |||
IV.SPS2.HHZ. | 2021-09-05T09:49:51.54 | 3.0 | undecidable | manual | Pn | -0.45 | 0 | |||
CH.MUGIO.HHZ. | 2021-09-05T09:49:47.00 | 3.0 | undecidable | manual | Sg | -0.94 | 0 | |||
IV.CDRU.HHZ. | 2021-09-05T09:49:40.94 | 3.0 | undecidable | manual | Pg | 8.52 | 0 | |||
IX.STN3.HNZ.01 | 2021-09-05T09:49:33.27 | 3.0 | undecidable | manual | Pn | -1.3 | 0 | |||
IV.EUCT.HNZ. | 2021-09-05T09:49:33.81 | 3.0 | undecidable | manual | Sg | 0.56 | 0 | |||
CH.BNALP.HHZ. | 2021-09-05T09:49:28.83 | 3.0 | negative | manual | Pn | 2.92 | 0 | |||
IV.CIMA.HNZ. | 2021-09-05T09:49:21.01 | 3.0 | undecidable | manual | Sg | -1.71 | 0 | |||
IV.VENT.EHZ. | 2021-09-05T09:49:16.95 | 3.0 | positive | manual | Pn | -0.31 | 0 | |||
CH.MUGIO.HHZ. | 2021-09-05T09:49:15.30 | 3.0 | undecidable | manual | Pg | 3.49 | 0 | |||
IV.CING.HHZ. | 2021-09-05T09:49:08.63 | 3.0 | undecidable | manual | Sn | -5.45 | 0 | |||
IV.TST02.HHZ. | 2021-09-05T09:49:08.29 | 3.0 | negative | manual | Pn | -3.37 | 0 | |||
IV.VOBA.EHZ. | 2021-09-05T09:49:00.29 | 3.0 | negative | manual | Pn | -2.06 | 0 | |||
IV.MILN.HNZ. | 2021-09-05T09:48:59.11 | 3.0 | undecidable | manual | Pn | -6.73 | 0 | |||
IV.MOMA.HHZ. | 2021-09-05T09:48:48.66 | 3.0 | undecidable | manual | P | -1.47 | 0 | |||
IV.NDIM.HNZ. | 2021-09-05T09:48:47.74 | 3.0 | positive | manual | P | -3.65 | 0 | |||
GU.EQUI.HHZ. | 2021-09-05T09:48:46.85 | 0.3 | undecidable | manual | S | 336 | 40.9257 | 50 | -0.5 | 68 |
GU.SARM.EHN. | 2021-09-05T09:48:46.97 | 0.6 | undecidable | manual | S | 5 | 39.5271 | 50 | -0.02 | 50 |
IV.ASSB.HHZ. | 2021-09-05T09:48:45.34 | 3.0 | undecidable | manual | P | -3.72 | 0 | |||
IV.BDI.HNZ. | 2021-09-05T09:48:44.68 | 0.6 | undecidable | manual | S | 36 | 32.0457 | 50 | -0.31 | 48 |
IV.CRMI.HNN. | 2021-09-05T09:48:43.25 | 0.3 | undecidable | manual | P | 94 | 49.7169 | 50 | 0.31 | 70 |
GU.CARD.HHZ. | 2021-09-05T09:48:42.28 | 0.3 | undecidable | manual | S | 24 | 23.9538 | 112 | -0.37 | 72 |
IV.SFI.EHZ. | 2021-09-05T09:48:42.23 | 3.0 | undecidable | manual | S | -4.83 | 0 | |||
GU.POPM.HHZ. | 2021-09-05T09:48:41.33 | 0.3 | undecidable | manual | P | 53 | 39.7269 | 50 | -0.07 | 75 |
GU.EQUI.HHZ. | 2021-09-05T09:48:41.76 | 0.3 | undecidable | manual | P | 336 | 40.9257 | 50 | 0.19 | 73 |
GU.SARM.EHN. | 2021-09-05T09:48:41.43 | 0.1 | undecidable | manual | P | 5 | 39.5271 | 50 | 0.06 | 100 |
IV.BDI.HNZ. | 2021-09-05T09:48:40.44 | 0.1 | undecidable | manual | P | 36 | 32.0457 | 50 | 0.23 | 98 |
IV.PII.HHZ. | 2021-09-05T09:48:40.12 | 0.3 | undecidable | manual | S | 132 | 17.7711 | 119 | -0.58 | 69 |
GU.CARD.HHZ. | 2021-09-05T09:48:39.05 | 0.3 | undecidable | manual | P | 24 | 23.9538 | 112 | 0.19 | 75 |
GU.MAIM.HHZ. | 2021-09-05T09:48:39.72 | 0.3 | undecidable | manual | S | 48 | 14.0748 | 125 | 0.1 | 78 |
IV.PII.HHZ. | 2021-09-05T09:48:37.81 | 0.3 | undecidable | manual | P | 132 | 17.7711 | 119 | 0.07 | 78 |
GU.MAIM.HHZ. | 2021-09-05T09:48:37.51 | 0.3 | undecidable | manual | P | 48 | 14.0748 | 125 | 0.4 | 73 |
IT.FIE.HGZ. | 2021-09-05T09:48:28.21 | 3.0 | undecidable | manual | P | -2.44 | 0 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
GU.MAIM.HHN. | ML:0.8 | 0.00006975 | 0.34 | AML | other | m | 2021-09-05T09:48:40.24 |
GU.MAIM.HHE. | ML:0.7 | 0.000057050000000000004 | 0.18 | AML | other | m | 2021-09-05T09:48:40.12 |
IV.PII.HHN. | ML:1.1 | 0.0001175 | 0.22 | AML | other | m | 2021-09-05T09:48:40.41 |
IV.PII.HHE. | ML:1.1 | 0.0001114 | 0.28 | AML | other | m | 2021-09-05T09:48:40.56 |
GU.CARD.HHN. | ML:0.8 | 0.00004195 | 1.5 | AML | other | m | 2021-09-05T09:48:43.16 |
GU.CARD.HHE. | ML:0.6 | 0.00002275 | 0.42 | AML | other | m | 2021-09-05T09:48:44.06 |