A magnitude ML 1.8 earthquake occured in region: 8 km SW Pomarance (PI), on
and geographic coordinates (lat, lon) 43.2450, 10.8200 at 8 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 |
---|---|---|---|---|
Pomarance | PI | 8 | 5897 | 5897 |
Castelnuovo di Val di Cecina | PI | 8 | 2231 | 8128 |
Monteverdi Marittimo | PI | 11 | 758 | 8886 |
Monterotondo Marittimo | GR | 11 | 1371 | 10257 |
Guardistallo | PI | 17 | 1234 | 11491 |
Montecatini Val di Cecina | PI | 17 | 1749 | 13240 |
Casale Marittimo | PI | 18 | 1122 | 14362 |
Volterra | PI | 18 | 10519 | 24881 |
Montescudaio | PI | 18 | 2144 | 27025 |
Radicondoli | SI | 18 | 914 | 27939 |
Bibbona | LI | 18 | 3175 | 31114 |
Sassetta | LI | 19 | 514 | 31628 |
Castagneto Carducci | LI | 19 | 9010 | 40638 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.8 | 2020-08-02 14:30:36 |
43.2448 | 10.82 | 8 | 2020-11-19 12:36:58 |
Bollettino Sismico Italiano INGV | 82310521 |
Reviewed Rev100 |
ML 1.8 | 2020-08-02 14:30:36 |
43.2373 | 10.813 | 10 | 2020-08-02 14:40:52 |
Sala Sismica INGV-Roma | 81579981 |
Field | Value |
---|---|
Time (UTC) | 2020-08-02 14:30:36 ± 0.15 |
Latitude | 43.2448 ± 0.0081 |
Longitude | 10.8200 ± 0.0123 |
Depth (km) | 8 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 82310521 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 839 |
Semi-minor axis of confidence ellipse (meter) | 802 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 217 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 840.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 62 |
Number of associated phases, regardless of their use for origin computation | 42 |
Number of defining phases | 21 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.48 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.86964 |
Number of stations at which the event was observed | 33 |
Number of stations from which data was used for origin computation | 13 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 82310521 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2020-10-07 14:30:31 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.1 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 81579981 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-08-02 14:40:52 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CMPR.HHZ. | 2020-08-02T14:32:32.87 | 3.0 | undecidable | manual | Sg | 15.07 | 0 | |||
IV.HPAC.HHZ. | 2020-08-02T14:32:30.75 | 3.0 | negative | manual | Pg | 12.4 | 0 | |||
IV.PANTE.HHZ. | 2020-08-02T14:32:12.47 | 3.0 | undecidable | manual | Pn | 0.21 | 0 | |||
IV.BRMO.HHZ. | 2020-08-02T14:32:12.08 | 3.0 | undecidable | manual | Sn | 0.31 | 0 | |||
AC.VLO.HHZ. | 2020-08-02T14:32:06.24 | 3.0 | undecidable | manual | Pn | -1.25 | 0 | |||
IV.LADO.EHZ. | 2020-08-02T14:32:02.71 | 3.0 | positive | manual | Pg | 5.61 | 0 | |||
IV.CET2.HHZ. | 2020-08-02T14:32:00.03 | 3.0 | undecidable | manual | Pg | 12.32 | 0 | |||
IV.ILOS.HNZ. | 2020-08-02T14:31:58.05 | 3.0 | undecidable | manual | Pn | 2.5 | 0 | |||
IV.IFIL.HHZ. | 2020-08-02T14:31:57.53 | 3.0 | positive | manual | Pg | 4.94 | 0 | |||
IV.MAGA.HHZ. | 2020-08-02T14:31:54.98 | 3.0 | undecidable | manual | Sn | 0.59 | 0 | |||
IV.SGG.HHZ. | 2020-08-02T14:31:52.94 | 3.0 | undecidable | manual | Sg | 6.18 | 0 | |||
IV.ROSPO.HHZ. | 2020-08-02T14:31:43.65 | 3.0 | undecidable | manual | Sg | 2.34 | 0 | |||
IV.MCRV.HHZ. | 2020-08-02T14:31:33.38 | 3.0 | undecidable | manual | Pg | 4.33 | 0 | |||
GU.GBOS.HHZ. | 2020-08-02T14:31:31.73 | 3.0 | undecidable | manual | Pn | 2.13 | 0 | |||
IV.MILN.HNZ. | 2020-08-02T14:31:30.95 | 3.0 | undecidable | manual | Pn | 4.68 | 0 | |||
IV.ZONE.HHZ. | 2020-08-02T14:31:29.64 | 3.0 | undecidable | manual | Pg | 5.68 | 0 | |||
IV.VVLD.HHZ. | 2020-08-02T14:31:27.74 | 3.0 | undecidable | manual | Sg | -1.27 | 0 | |||
GU.GRAM.HHZ. | 2020-08-02T14:31:20.73 | 3.0 | positive | manual | Pg | 9.49 | 0 | |||
OT.OT11.EHZ. | 2020-08-02T14:31:18.70 | 3.0 | positive | manual | Pn | -4.61 | 0 | |||
IV.ROSPO.HHZ. | 2020-08-02T14:31:06.95 | 3.0 | positive | manual | Pn | -7.45 | 0 | |||
IV.CELB.HHE. | 2020-08-02T14:30:59.02 | 0.6 | undecidable | manual | S | 222 | 74.1702 | 50 | -0.52 | 41 |
IV.CRMI.HHN. | 2020-08-02T14:30:55.89 | 0.3 | undecidable | manual | S | 12 | 62.3931 | 50 | -0.51 | 63 |
IV.PII.HHZ. | 2020-08-02T14:30:54.65 | 0.3 | undecidable | manual | S | 336 | 57.9975 | 50 | -0.58 | 62 |
IV.RONT.HHZ. | 2020-08-02T14:30:54.69 | 0.3 | undecidable | manual | P | 30 | 96.5256 | 50 | 1.37 | 40 |
TV.SF04.EHZ. | 2020-08-02T14:30:52.02 | 0.3 | undecidable | manual | P | 123 | 81.8514 | 50 | 0.96 | 51 |
IV.RUFI.EHZ. | 2020-08-02T14:30:52.15 | 0.1 | undecidable | manual | P | 40 | 86.0472 | 50 | 0.45 | 82 |
IV.MCIV.CHZ. | 2020-08-02T14:30:52.88 | 0.3 | undecidable | manual | P | 126 | 86.6466 | 50 | 1.09 | 47 |
IV.CSNT.HHE. | 2020-08-02T14:30:51.12 | 0.3 | undecidable | manual | S | 56 | 45.621 | 50 | -0.79 | 58 |
IV.CELB.HHE. | 2020-08-02T14:30:50.34 | 0.1 | undecidable | manual | P | 222 | 74.1702 | 50 | 0.47 | 83 |
IV.PESA.HHZ. | 2020-08-02T14:30:49.98 | 3.0 | undecidable | manual | P | -5.12 | 0 | |||
IV.RIBO.EHE.01 | 2020-08-02T14:30:48.76 | 0.3 | undecidable | manual | S | 151 | 37.629 | 50 | -1.02 | 54 |
IV.CRMI.HHN. | 2020-08-02T14:30:48.40 | 0.1 | positive | manual | P | 12 | 62.3931 | 50 | 0.34 | 88 |
IV.PII.HHZ. | 2020-08-02T14:30:47.30 | 0.3 | undecidable | manual | P | 336 | 57.9975 | 50 | -0.08 | 70 |
IV.CASP.HHZ. | 2020-08-02T14:30:46.13 | 0.6 | undecidable | manual | P | 176 | 50.5161 | 50 | -0.09 | 47 |
IV.CSNT.HHE. | 2020-08-02T14:30:45.43 | 0.1 | positive | manual | P | 56 | 45.621 | 50 | -0.04 | 97 |
IV.FROS.CHZ. | 2020-08-02T14:30:45.88 | 0.6 | undecidable | manual | S | 98 | 27.4503 | 107 | -0.72 | 41 |
IV.RIBO.EHE.01 | 2020-08-02T14:30:44.26 | 0.3 | undecidable | manual | P | 151 | 37.629 | 50 | 0.03 | 74 |
IV.FROS.CHZ. | 2020-08-02T14:30:42.38 | 0.1 | positive | manual | P | 98 | 27.4503 | 107 | -0.02 | 100 |
IV.TRIF.CHE. | 2020-08-02T14:30:42.48 | 0.3 | undecidable | manual | S | 155 | 15.873 | 117 | -0.39 | 71 |
IV.MAGO.CHN. | 2020-08-02T14:30:41.70 | 0.3 | undecidable | manual | S | 284 | 13.4754 | 121 | -0.44 | 70 |
IV.TRIF.CHE. | 2020-08-02T14:30:40.40 | 0.1 | positive | manual | P | 155 | 15.873 | 117 | 0.15 | 99 |
IV.MAGO.CHN. | 2020-08-02T14:30:39.96 | 0.1 | undecidable | manual | P | 284 | 13.4754 | 121 | 0.14 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MCIV.CHE. | ML:1.9 | 0.00010076636 | 0.1088 | AML | other | m | 2020-08-02T14:30:53.12 |
TV.SF04.EHE. | ML:2.0 | 0.00013701758499999999 | 0.3392 | AML | other | m | 2020-08-02T14:30:55.59 |
TV.SF04.EHN. | ML:1.9 | 0.000113853135 | 0.2624 | AML | other | m | 2020-08-02T14:30:56.46 |
IV.MCIV.CHN. | ML:1.8 | 0.000072691355 | 0.064 | AML | other | m | 2020-08-02T14:31:07.72 |
IV.RUFI.EHE. | ML:1.5 | 0.0000413779745 | 0.4032 | AML | other | m | 2020-08-02T14:31:08.59 |
IV.RUFI.EHN. | ML:1.5 | 0.000040990155 | 0.96 | AML | other | m | 2020-08-02T14:31:10.32 |