A magnitude ML 1.4 earthquake occured in region: 1 km W Marradi (FI), on
and geographic coordinates (lat, lon) 44.0790, 11.6000 at 7 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 |
---|---|---|---|---|
Marradi | FI | 1 | 3139 | 3139 |
Palazzuolo sul Senio | FI | 6 | 1154 | 4293 |
Tredozio | FC | 12 | 1212 | 5505 |
Portico e San Benedetto | FC | 16 | 756 | 6261 |
Casola Valsenio | RA | 16 | 2617 | 8878 |
Castel del Rio | BO | 17 | 1246 | 10124 |
San Godenzo | FI | 17 | 1167 | 11291 |
Modigliana | FC | 18 | 4560 | 15851 |
Premilcuore | FC | 18 | 799 | 16650 |
Firenzuola | FI | 18 | 4726 | 21376 |
Vicchio | FI | 19 | 8044 | 29420 |
Rocca San Casciano | FC | 20 | 1910 | 31330 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.4 | 2021-10-12 14:02:31 |
44.0788 | 11.6005 | 7 | 2022-03-30 13:04:35 |
Bollettino Sismico Italiano INGV | 100715881 |
Reviewed Rev100 |
ML 1.5 | 2021-10-12 14:02:31 |
44.0783 | 11.5993 | 7 | 2021-10-12 14:14:03 |
Sala Sismica INGV-Roma | 96475871 |
Field | Value |
---|---|
Time (UTC) | 2021-10-12 14:02:31 ± 0.06 |
Latitude | 44.0788 ± 0.0036 |
Longitude | 11.6005 ± 0.0038 |
Depth (km) | 7 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 100715881 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 344 |
Semi-minor axis of confidence ellipse (meter) | 265 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 196 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 340.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 86 |
Number of associated phases, regardless of their use for origin computation | 22 |
Number of defining phases | 22 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.22 |
Epicentral distance of station closest to the epicenter (degree) | 0.07644 |
Epicentral distance of station farthest from the epicenter (degree) | 0.52430 |
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 | 1.4 |
Uncertainty | 0.2 |
Num. used stations | 11 |
Type of magnitude | ML |
Reference to an origin | 100715881 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2022-02-07 16:09:24 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | 0.2 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 96475871 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-10-12 14:14:03 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CRE.HHZ. | 2021-10-12T14:02:50.78 | 0.3 | undecidable | manual | S | 151 | 58.1973 | 50 | 0.4 | 64 |
IV.MPPT.EHE. | 2021-10-12T14:02:46.01 | 0.6 | undecidable | manual | S | 252 | 42.8238 | 50 | -0.27 | 45 |
IV.FNVD.HHE. | 2021-10-12T14:02:45.32 | 0.3 | undecidable | manual | S | 285 | 39.3273 | 50 | 0 | 72 |
IV.MOCL.EHE. | 2021-10-12T14:02:43.73 | 0.3 | undecidable | manual | S | 256 | 34.4433 | 102 | -0.02 | 73 |
IV.ASQU.HHZ. | 2021-10-12T14:02:43.74 | 0.3 | undecidable | manual | S | 154 | 34.743 | 102 | -0.11 | 71 |
IV.CRE.HHZ. | 2021-10-12T14:02:42.23 | 0.1 | undecidable | manual | P | 151 | 58.1973 | 50 | -0.19 | 90 |
IV.SFI.EHZ. | 2021-10-12T14:02:41.56 | 0.3 | undecidable | manual | S | 134 | 27.5502 | 105 | 0.13 | 72 |
IV.RUFI.EHZ. | 2021-10-12T14:02:41.74 | 0.6 | undecidable | manual | S | 195 | 27.6501 | 105 | 0.27 | 47 |
IV.MPPT.EHE. | 2021-10-12T14:02:40.70 | 0.3 | undecidable | manual | P | 252 | 42.8238 | 50 | 0.65 | 61 |
IV.FNVD.HHE. | 2021-10-12T14:02:39.11 | 0.1 | undecidable | manual | P | 285 | 39.3273 | 50 | -0.39 | 89 |
IV.SEI.HHE. | 2021-10-12T14:02:39.08 | 0.6 | undecidable | manual | S | 262 | 19.4694 | 110 | 0.33 | 47 |
IV.BRIS.HHZ. | 2021-10-12T14:02:39.66 | 0.6 | undecidable | manual | S | 39 | 20.868 | 109 | 0.45 | 45 |
IV.ASQU.HHZ. | 2021-10-12T14:02:38.40 | 0.1 | undecidable | manual | P | 154 | 34.743 | 102 | -0.25 | 92 |
IV.VISG.HHE. | 2021-10-12T14:02:38.23 | 0.6 | undecidable | manual | S | 313 | 17.9709 | 112 | -0.04 | 50 |
IV.MOCL.EHE. | 2021-10-12T14:02:38.41 | 0.3 | undecidable | manual | P | 256 | 34.4433 | 102 | -0.18 | 70 |
IV.SFI.EHZ. | 2021-10-12T14:02:37.12 | 0.1 | undecidable | manual | P | 134 | 27.5502 | 105 | -0.12 | 96 |
IV.RUFI.EHZ. | 2021-10-12T14:02:37.30 | 0.1 | undecidable | manual | P | 195 | 27.6501 | 105 | 0.03 | 98 |
IV.BRIS.HHZ. | 2021-10-12T14:02:36.04 | 0.1 | positive | manual | P | 39 | 20.868 | 109 | 0.07 | 98 |
IV.LMD.HHZ. | 2021-10-12T14:02:35.28 | 0.6 | undecidable | manual | S | 91 | 8.4804 | 130 | -0.14 | 49 |
IV.VISG.HHE. | 2021-10-12T14:02:35.36 | 0.1 | undecidable | manual | P | 313 | 17.9709 | 112 | -0.07 | 99 |
IV.SEI.HHE. | 2021-10-12T14:02:35.82 | 0.1 | undecidable | manual | P | 262 | 19.4694 | 110 | 0.12 | 97 |
IV.LMD.HHZ. | 2021-10-12T14:02:33.69 | 0.1 | positive | manual | P | 91 | 8.4804 | 130 | -0.09 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.BRIS.HHN. | ML:1.6 | 0.0003175 | 0.28 | AML | other | m | 2021-10-12T14:02:39.92 |
IV.SFI.EHE. | ML:1.2 | 0.00008874999999999999 | 0.16 | AML | other | m | 2021-10-12T14:02:42.20 |
IV.SFI.EHN. | ML:1.3 | 0.0001042 | 0.6 | AML | other | m | 2021-10-12T14:02:42.26 |
IV.ASQU.HHN. | ML:1.6 | 0.000177 | 0.24 | AML | other | m | 2021-10-12T14:02:44.27 |
IV.ASQU.HHE. | ML:1.4 | 0.00010985 | 0.82 | AML | other | m | 2021-10-12T14:02:44.53 |
IV.BRIS.HHE. | ML:1.4 | 0.0002 | 0.34 | AML | other | m | 2021-10-12T14:02:44.96 |
IV.CRE.HHE. | ML:1.4 | 0.00005595 | 0.24 | AML | other | m | 2021-10-12T14:02:51.28 |
IV.CRE.HHN. | ML:1.6 | 0.0000955 | 0.18 | AML | other | m | 2021-10-12T14:02:51.57 |
IV.LMD.HHE. | ML:1.0 | 0.00018728655 | 0.1216 | AML | other | m | 2021-10-12T14:02:37.62 |
IV.RUFI.EHE. | ML:0.9 | 0.000042997995 | 0.2752 | AML | other | m | 2021-10-12T14:02:42.09 |
IV.RUFI.EHN. | ML:1.1 | 0.000066593815 | 0.1856 | AML | other | m | 2021-10-12T14:02:42.17 |