A magnitude ML 1.3 earthquake occured in region: 7 km E Castelnuovo di Val di Cecina (PI), on
and geographic coordinates (lat, lon) 43.2150, 10.9900 at 8 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 |
---|---|---|---|---|
Castelnuovo di Val di Cecina | PI | 7 | 2231 | 2231 |
Radicondoli | SI | 7 | 914 | 3145 |
Montieri | GR | 10 | 1204 | 4349 |
Chiusdino | SI | 10 | 1903 | 6252 |
Monterotondo Marittimo | GR | 13 | 1371 | 7623 |
Pomarance | PI | 13 | 5897 | 13520 |
Casole d'Elsa | SI | 15 | 3897 | 17417 |
Monticiano | SI | 18 | 1571 | 18988 |
Massa Marittima | GR | 20 | 8375 | 27363 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.3 | 2021-05-20 00:08:50 |
43.2147 | 10.9895 | 9 | 2021-05-20 00:19:17 |
Sala Sismica INGV-Roma | 90277521 |
Field | Value |
---|---|
Time (UTC) | 2021-05-20 00:08:50 ± 0.12 |
Latitude | 43.2147 ± 0.0063 |
Longitude | 10.9895 ± 0.0086 |
Depth (km) | 9 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 90277521 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 700 |
Semi-minor axis of confidence ellipse (meter) | 548 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 120 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 700.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 73 |
Number of associated phases, regardless of their use for origin computation | 19 |
Number of defining phases | 16 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.37 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.60884 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.2 |
Num. used stations | 21 |
Type of magnitude | ML |
Reference to an origin | 90277521 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-05-20 00:19:17 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.PII.HHZ. | 2021-05-20T00:09:11.62 | 0.6 | undecidable | manual | S | 327 | 67.5768 | 50 | 0.2 | 45 |
IV.ARCI.HHZ. | 2021-05-20T00:09:08.69 | 0.3 | undecidable | manual | S | 135 | 56.2992 | 50 | 0.27 | 69 |
IV.CELB.HHZ. | 2021-05-20T00:09:06.08 | 3.0 | positive | manual | P | 0.64 | 0 | |||
IV.CASP.HHZ. | 2021-05-20T00:09:05.66 | 0.3 | undecidable | manual | S | 192 | 48.1185 | 50 | -0.56 | 65 |
TV.SF04.EHZ. | 2021-05-20T00:09:03.12 | 3.0 | positive | manual | P | -0.04 | 0 | |||
IV.PII.HHZ. | 2021-05-20T00:09:03.15 | 0.6 | undecidable | manual | P | 327 | 67.5768 | 50 | 0.64 | 40 |
IV.CSNT.HHZ. | 2021-05-20T00:09:02.71 | 0.3 | undecidable | manual | S | 40 | 37.5291 | 50 | -0.7 | 63 |
TV.SF01.EHZ. | 2021-05-20T00:09:01.20 | 3.0 | negative | manual | P | -1.26 | 0 | |||
IV.ARCI.HHZ. | 2021-05-20T00:09:01.44 | 0.6 | undecidable | manual | P | 135 | 56.2992 | 50 | 0.66 | 41 |
IV.RIBO.EHZ.01 | 2021-05-20T00:09:00.51 | 0.3 | undecidable | manual | S | 171 | 29.8479 | 106 | -0.59 | 66 |
IV.MAGO.CHZ. | 2021-05-20T00:08:59.67 | 0.3 | undecidable | manual | S | 284 | 27.5502 | 107 | -0.68 | 64 |
IV.CASP.HHZ. | 2021-05-20T00:08:59.75 | 0.6 | undecidable | manual | P | 192 | 48.1185 | 50 | 0.24 | 47 |
IV.CSNT.HHZ. | 2021-05-20T00:08:57.94 | 0.3 | undecidable | manual | P | 40 | 37.5291 | 50 | 0.05 | 74 |
IV.MAGO.CHZ. | 2021-05-20T00:08:56.27 | 0.1 | negative | manual | P | 284 | 27.5502 | 107 | 0.15 | 99 |
IV.RIBO.EHZ.01 | 2021-05-20T00:08:56.63 | 0.1 | positive | manual | P | 171 | 29.8479 | 106 | 0.07 | 100 |
IV.FROS.CHZ. | 2021-05-20T00:08:55.59 | 0.3 | undecidable | manual | S | 92 | 13.4754 | 122 | -0.28 | 74 |
IV.TRIF.CHZ. | 2021-05-20T00:08:55.89 | 0.3 | undecidable | manual | S | 212 | 13.1757 | 123 | 0.13 | 76 |
IV.FROS.CHZ. | 2021-05-20T00:08:53.75 | 0.1 | negative | manual | P | 92 | 13.4754 | 122 | 0.22 | 100 |
IV.TRIF.CHZ. | 2021-05-20T00:08:53.81 | 0.1 | positive | manual | P | 212 | 13.1757 | 123 | 0.34 | 97 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.FROS.CHN. | ML:1.5 | 0.00035450000000000005 | 0.1 | AML | other | m | 2021-05-20T00:08:55.83 |
IV.FROS.CHE. | ML:1.4 | 0.00027105480000000007 | 0.064 | AML | other | m | 2021-05-20T00:08:55.93 |
IV.TRIF.CHN. | ML:1.2 | 0.00020234385 | 0.072 | AML | other | m | 2021-05-20T00:08:56.44 |
IV.TRIF.CHE. | ML:1.2 | 0.0002003747 | 0.184 | AML | other | m | 2021-05-20T00:08:56.83 |
IV.MAGO.CHE. | ML:1.2 | 0.000083534415 | 0.184 | AML | other | m | 2021-05-20T00:09:01.38 |
IV.MAGO.CHN. | ML:1.6 | 0.00020500000000000002 | 0.14 | AML | other | m | 2021-05-20T00:08:59.73 |
IV.CASP.HHE. | ML:1.4 | 0.00006515 | 0.24 | AML | other | m | 2021-05-20T00:09:10.20 |
IV.CASP.HHN. | ML:1.0 | 0.000022595984999999997 | 0.16 | AML | other | m | 2021-05-20T00:09:10.60 |
IV.RIBO.EHE.01 | ML:1.4 | 0.0001284225 | 0.08 | AML | other | m | 2021-05-20T00:09:01.11 |
IV.CSNT.HHN. | ML:0.8 | 0.000024268773 | 0.1 | AML | other | m | 2021-05-20T00:09:03.28 |
IV.CSNT.HHE. | ML:0.8 | 0.00002398635 | 0.12 | AML | other | m | 2021-05-20T00:09:03.28 |
IV.CASP.HNE. | ML:0.0 | 0.00011108566 | 0.71 | AML | other | m | 2021-05-20T00:09:00.69 |
IV.CASP.HNN. | ML:0.0 | 0.00012400882999999999 | 0.8 | AML | other | m | 2021-05-20T00:09:16.13 |
IV.ARCI.HHN. | ML:1.1 | 0.00002770266 | 2.4 | AML | other | m | 2021-05-20T00:09:22.89 |
IV.ARCI.HNE. | ML:1.4 | 0.000055770695 | 0.9 | AML | other | m | 2021-05-20T00:09:07.76 |
IV.ARCI.HNN. | ML:1.3 | 0.00004486423 | 0.82 | AML | other | m | 2021-05-20T00:09:22.00 |
IV.ARCI.HHE. | ML:1.0 | 0.000027047085 | 1.94 | AML | other | m | 2021-05-20T00:09:21.27 |
TV.SF04.EHE. | ML:1.4 | 0.000044245315 | 0.2 | AML | other | m | 2021-05-20T00:09:04.60 |
TV.SF04.EHN. | ML:1.4 | 0.00004479938 | 0.18 | AML | other | m | 2021-05-20T00:09:04.62 |
IV.PII.HHN. | ML:1.4 | 0.000037772395 | 1.38 | AML | other | m | 2021-05-20T00:09:08.32 |
IV.PII.HHE. | ML:1.4 | 0.000041937569999999994 | 1.34 | AML | other | m | 2021-05-20T00:09:20.25 |
IV.CELB.HHN. | ML:1.5 | 0.000047157645 | 1.22 | AML | other | m | 2021-05-20T00:09:30.54 |
IV.CELB.HHE. | ML:1.3 | 0.0000239387415 | 0.06 | AML | other | m | 2021-05-20T00:09:19.40 |