A magnitude ML 1.3 earthquake occured in region: 5 km W Monterotondo Marittimo (GR), on
and geographic coordinates (lat, lon) 43.1620, 10.8040 at 5 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 |
---|---|---|---|---|
Monterotondo Marittimo | GR | 5 | 1371 | 1371 |
Monteverdi Marittimo | PI | 7 | 758 | 2129 |
Castelnuovo di Val di Cecina | PI | 10 | 2231 | 4360 |
Sassetta | LI | 13 | 514 | 4874 |
Suvereto | LI | 14 | 3072 | 7946 |
Massa Marittima | GR | 14 | 8375 | 16321 |
Castagneto Carducci | LI | 16 | 9010 | 25331 |
Pomarance | PI | 17 | 5897 | 31228 |
Montieri | GR | 18 | 1204 | 32432 |
Campiglia Marittima | LI | 19 | 13218 | 45650 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.3 | 2021-09-17 15:49:57 |
43.1618 | 10.8037 | 5 | 2022-03-30 13:04:09 |
Bollettino Sismico Italiano INGV | 96234651 |
Reviewed Rev100 |
ML 1.5 | 2021-09-17 15:49:57 |
43.1598 | 10.7972 | 8 | 2021-09-17 15:55:41 |
Sala Sismica INGV-Roma | 95550491 |
Field | Value |
---|---|
Time (UTC) | 2021-09-17 15:49:57 ± 0.11 |
Latitude | 43.1618 ± 0.0063 |
Longitude | 10.8037 ± 0.0086 |
Depth (km) | 5 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 96234651 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 830 |
Semi-minor axis of confidence ellipse (meter) | 298 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 220 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 830.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 55 |
Number of associated phases, regardless of their use for origin computation | 16 |
Number of defining phases | 16 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.33 |
Epicentral distance of station closest to the epicenter (degree) | 0.08633 |
Epicentral distance of station farthest from the epicenter (degree) | 0.71046 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 11 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.4 |
Num. used stations | 11 |
Type of magnitude | ML |
Reference to an origin | 96234651 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2022-03-01 17:24:53 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | 0.3 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 95550491 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-09-17 15:55:41 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
Z3.A317A.HHE. | 2021-09-17T15:50:13.19 | 0.3 | undecidable | manual | P | 261 | 78.8655 | 50 | 0.85 | 55 |
IV.CRMI.HNN. | 2021-09-17T15:50:11.42 | 0.6 | undecidable | manual | P | 11 | 71.6727 | 50 | 0.18 | 46 |
IV.CASP.HHZ. | 2021-09-17T15:50:11.75 | 0.6 | undecidable | manual | S | 173 | 41.4252 | 97 | -0.7 | 42 |
IV.ARCI.HHZ. | 2021-09-17T15:50:10.06 | 0.3 | undecidable | manual | P | 122 | 64.3911 | 50 | -0.06 | 71 |
IV.CELB.HHE. | 2021-09-17T15:50:10.54 | 0.3 | undecidable | manual | P | 226 | 66.5778 | 50 | 0.08 | 71 |
IV.PII.HHZ. | 2021-09-17T15:50:09.97 | 0.3 | undecidable | manual | P | 340 | 66.0894 | 50 | -0.41 | 66 |
IV.FROS.CHZ. | 2021-09-17T15:50:08.08 | 0.3 | undecidable | manual | S | 79 | 29.0487 | 99 | -0.1 | 75 |
IV.RIBO.EHZ. | 2021-09-17T15:50:08.33 | 0.3 | undecidable | manual | S | 140 | 30.747 | 99 | -0.44 | 70 |
IV.CSNT.HHZ. | 2021-09-17T15:50:07.96 | 0.3 | undecidable | manual | P | 49 | 52.3032 | 50 | -0.29 | 69 |
IV.CASP.HHZ. | 2021-09-17T15:50:06.12 | 0.3 | undecidable | manual | P | 173 | 41.4252 | 97 | -0.21 | 72 |
IV.RIBO.EHZ. | 2021-09-17T15:50:04.56 | 0.3 | undecidable | manual | P | 140 | 30.747 | 99 | 0.35 | 71 |
IV.MAGO.CHZ. | 2021-09-17T15:50:03.74 | 0.3 | undecidable | manual | S | 316 | 17.0718 | 106 | -0.39 | 72 |
IV.FROS.CHZ. | 2021-09-17T15:50:03.99 | 0.1 | undecidable | manual | P | 79 | 29.0487 | 99 | 0.12 | 100 |
IV.TRIF.CHZ. | 2021-09-17T15:50:01.84 | 0.3 | undecidable | manual | S | 123 | 9.5793 | 117 | 0.15 | 77 |
IV.MAGO.CHZ. | 2021-09-17T15:50:01.68 | 0.3 | undecidable | manual | P | 316 | 17.0718 | 106 | 0.15 | 76 |
IV.TRIF.CHZ. | 2021-09-17T15:50:00.55 | 0.1 | undecidable | manual | P | 123 | 9.5793 | 117 | 0.43 | 97 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.TRIF.CHE. | ML:1.8 | 0.00114215 | 0.0896 | AML | other | m | 2021-09-17T15:50:02.91 |
IV.TRIF.CHN. | ML:1.8 | 0.00125055 | 0.1024 | AML | other | m | 2021-09-17T15:50:03.23 |
IV.FROS.CHE. | ML:1.6 | 0.00020150000000000002 | 0.18 | AML | other | m | 2021-09-17T15:50:08.64 |
IV.FROS.CHN. | ML:1.9 | 0.00042 | 0.16 | AML | other | m | 2021-09-17T15:50:09.28 |
IV.CASP.HNN. | ML:1.3 | 0.00006499057499999999 | 0.2304 | AML | other | m | 2021-09-17T15:50:15.94 |
IV.CASP.HHE. | ML:0.8 | 0.00001972342 | 0.256 | AML | other | m | 2021-09-17T15:50:17.60 |
IV.ARCI.HNE. | ML:1.1 | 0.000025869204999999997 | 0.192 | AML | other | m | 2021-09-17T15:50:19.42 |
IV.ARCI.HHE. | ML:1.0 | 0.000020295195 | 0.1408 | AML | other | m | 2021-09-17T15:50:20.14 |
IV.ARCI.HNN. | ML:1.2 | 0.000030080524999999996 | 0.2432 | AML | other | m | 2021-09-17T15:50:20.40 |
IV.ARCI.HHN. | ML:1.1 | 0.00002696219221145 | 0.2432 | AML | other | m | 2021-09-17T15:50:20.28 |
IV.CASP.HHN. | ML:0.8 | 0.00002031251 | 1.5392 | AML | other | m | 2021-09-17T15:50:24.15 |