A magnitude ML 1.7 earthquake occured in region: 3 km W Palazzuolo sul Senio (FI), on
and geographic coordinates (lat, lon) 44.1060, 11.5140 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 |
---|---|---|---|---|
Palazzuolo sul Senio | FI | 3 | 1154 | 1154 |
Marradi | FI | 9 | 3139 | 4293 |
Firenzuola | FI | 11 | 4726 | 9019 |
Castel del Rio | BO | 12 | 1246 | 10265 |
Casola Valsenio | RA | 16 | 2617 | 12882 |
Fontanelice | BO | 17 | 1943 | 14825 |
Tredozio | FC | 19 | 1212 | 16037 |
Vicchio | FI | 19 | 8044 | 24081 |
Borgo San Lorenzo | FI | 19 | 18211 | 42292 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.7 | 2021-04-22 17:12:48 |
44.1057 | 11.5137 | 10 | 2021-07-12 16:55:16 |
Bollettino Sismico Italiano INGV | 91712481 |
Reviewed Rev100 |
ML 1.6 | 2021-04-22 17:12:48 |
44.1097 | 11.5182 | 9 | 2021-04-22 17:17:37 |
Sala Sismica INGV-Roma | 89366721 |
Field | Value |
---|---|
Time (UTC) | 2021-04-22 17:12:48 ± 0.06 |
Latitude | 44.1057 ± 0.0036 |
Longitude | 11.5137 ± 0.0050 |
Depth (km) | 10 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 91712481 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 383 |
Semi-minor axis of confidence ellipse (meter) | 345 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 284 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 380.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 50 |
Number of associated phases, regardless of their use for origin computation | 24 |
Number of defining phases | 24 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.24 |
Epicentral distance of station closest to the epicenter (degree) | 0.10072 |
Epicentral distance of station farthest from the epicenter (degree) | 0.36692 |
Number of stations at which the event was observed | 13 |
Number of stations from which data was used for origin computation | 13 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.3 |
Num. used stations | 31 |
Type of magnitude | ML |
Reference to an origin | 91712481 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-06-22 14:28:18 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.2 |
Num. used stations | 23 |
Type of magnitude | ML |
Reference to an origin | 89366721 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-04-22 17:17:37 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.SFI.EHZ. | 2021-04-22T17:13:00.73 | 0.6 | undecidable | manual | S | 130 | 34.6431 | 50 | 0.26 | 47 |
IV.FNVD.HHZ. | 2021-04-22T17:12:59.84 | 0.6 | undecidable | manual | S | 283 | 31.8459 | 50 | 0.13 | 49 |
IV.RUFI.EHZ. | 2021-04-22T17:12:58.97 | 0.6 | undecidable | manual | S | 181 | 29.6481 | 50 | -0.16 | 46 |
IV.RINC.HHZ. | 2021-04-22T17:12:58.26 | 0.6 | undecidable | manual | S | 163 | 25.4523 | 50 | 0.27 | 47 |
IV.MTRZ.HHZ. | 2021-04-22T17:12:58.16 | 0.6 | undecidable | manual | S | 343 | 24.0537 | 50 | 0.53 | 42 |
IV.MOCL.EHZ. | 2021-04-22T17:12:58.95 | 0.6 | undecidable | manual | S | 247 | 28.749 | 50 | 0.06 | 48 |
IV.BRIS.HHZ. | 2021-04-22T17:12:57.97 | 0.6 | undecidable | manual | S | 57 | 24.0537 | 50 | 0.34 | 45 |
IV.ASQU.HHZ. | 2021-04-22T17:12:56.32 | 0.3 | undecidable | manual | P | 147 | 40.7259 | 50 | -0.05 | 71 |
IV.SFI.EHZ. | 2021-04-22T17:12:55.32 | 0.1 | undecidable | manual | P | 130 | 34.6431 | 50 | -0.12 | 94 |
IV.IMOL.EHZ. | 2021-04-22T17:12:55.97 | 0.6 | undecidable | manual | P | 33 | 33.5442 | 50 | 0.71 | 41 |
IV.RONT.HHZ. | 2021-04-22T17:12:55.06 | 0.6 | undecidable | manual | S | 207 | 13.9749 | 126 | 0.48 | 44 |
IV.MTRZ.HHZ. | 2021-04-22T17:12:54.10 | 0.3 | undecidable | manual | P | 343 | 24.0537 | 50 | 0.31 | 69 |
IV.MOCL.EHZ. | 2021-04-22T17:12:54.38 | 0.1 | undecidable | manual | P | 247 | 28.749 | 50 | -0.15 | 94 |
IV.SEI.HHZ. | 2021-04-22T17:12:54.59 | 0.6 | undecidable | manual | S | 245 | 13.5753 | 127 | 0.12 | 48 |
IV.RUFI.EHZ. | 2021-04-22T17:12:54.55 | 0.1 | undecidable | manual | P | 181 | 29.6481 | 50 | -0.11 | 95 |
IV.LMD.HHZ. | 2021-04-22T17:12:54.74 | 0.6 | undecidable | manual | S | 101 | 15.7731 | 123 | -0.34 | 48 |
IV.FNVD.HHZ. | 2021-04-22T17:12:54.79 | 0.1 | undecidable | manual | P | 283 | 31.8459 | 50 | -0.21 | 92 |
IV.RINC.HHZ. | 2021-04-22T17:12:54.04 | 0.1 | negative | manual | P | 163 | 25.4523 | 50 | 0.03 | 98 |
IV.VISG.HHZ. | 2021-04-22T17:12:53.17 | 0.6 | undecidable | manual | S | 326 | 11.1777 | 132 | -0.66 | 45 |
IV.BRIS.HHZ. | 2021-04-22T17:12:53.75 | 0.1 | positive | manual | P | 57 | 24.0537 | 50 | -0.05 | 98 |
IV.LMD.HHZ. | 2021-04-22T17:12:52.12 | 0.1 | positive | manual | P | 101 | 15.7731 | 123 | -0.2 | 98 |
IV.RONT.HHZ. | 2021-04-22T17:12:52.27 | 0.1 | positive | manual | P | 207 | 13.9749 | 126 | 0.23 | 95 |
IV.VISG.HHZ. | 2021-04-22T17:12:51.33 | 0.1 | undecidable | manual | P | 326 | 11.1777 | 132 | -0.27 | 98 |
IV.SEI.HHZ. | 2021-04-22T17:12:51.94 | 0.1 | undecidable | manual | P | 245 | 13.5753 | 127 | -0.03 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.VISG.HHE. | ML:2.2 | 0.0018356544999999999 | 0.1408 | AML | other | m | 2021-04-22T17:12:53.25 |
IV.VISG.HHN. | ML:2.2 | 0.0018810015 | 0.0896 | AML | other | m | 2021-04-22T17:12:53.45 |
IV.SEI.HHE. | ML:2.3 | 0.001938815 | 1.5136 | AML | other | m | 2021-04-22T17:12:54.05 |
IV.SEI.HHN. | ML:2.9 | 0.007703281500000001 | 0.2176 | AML | other | m | 2021-04-22T17:12:54.85 |
IV.BRIS.HNN. | ML:1.7 | 0.00031644745 | 0.9472 | AML | other | m | 2021-04-22T17:12:55.59 |
IV.LMD.HHE. | ML:1.5 | 0.00028623900000000004 | 0.1536 | AML | other | m | 2021-04-22T17:12:55.81 |
IV.RONT.HHE. | ML:2.3 | 0.0021622295 | 0.2432 | AML | other | m | 2021-04-22T17:12:56.14 |
IV.RONT.HHN. | ML:2.4 | 0.0026643785 | 0.384 | AML | other | m | 2021-04-22T17:12:56.67 |
IV.LMD.HHN. | ML:1.6 | 0.00034524869999999995 | 0.4096 | AML | other | m | 2021-04-22T17:12:57.34 |
IV.BRIS.HHN. | ML:1.8 | 0.00037051125 | 0.2048 | AML | other | m | 2021-04-22T17:12:58.47 |
IV.RINC.HHE. | ML:1.6 | 0.00024839415 | 0.1536 | AML | other | m | 2021-04-22T17:12:58.53 |
IV.RUFI.EHE. | ML:1.4 | 0.00013029253499999998 | 0.1792 | AML | other | m | 2021-04-22T17:12:59.45 |
IV.MOCL.EHE. | ML:1.6 | 0.00020061525 | 0.128 | AML | other | m | 2021-04-22T17:12:59.52 |
IV.MOCL.EHN. | ML:1.6 | 0.0001868177 | 0.128 | AML | other | m | 2021-04-22T17:12:59.71 |
IV.FNVD.HHE. | ML:1.6 | 0.00016890634999999998 | 0.1024 | AML | other | m | 2021-04-22T17:13:00.83 |
IV.FNVD.HHN. | ML:1.7 | 0.0002231303 | 0.1408 | AML | other | m | 2021-04-22T17:13:01.16 |
IV.SFI.HNN. | ML:1.5 | 0.00012902665499999998 | 0.2688 | AML | other | m | 2021-04-22T17:13:01.49 |
IV.SFI.EHN. | ML:1.4 | 0.00009365852999999999 | 0.256 | AML | other | m | 2021-04-22T17:13:01.49 |
IV.RINC.HHN. | ML:1.4 | 0.00015883985 | 0.4992 | AML | other | m | 2021-04-22T17:13:01.14 |
IV.MTRZ.HHE. | ML:1.8 | 0.00037684445 | 0.512 | AML | other | m | 2021-04-22T17:13:02.16 |
IV.MTRZ.HNE. | ML:1.8 | 0.00035203249999999996 | 0.5248 | AML | other | m | 2021-04-22T17:13:02.16 |
IV.SFI.EHE. | ML:1.3 | 0.000088067395 | 0.1152 | AML | other | m | 2021-04-22T17:13:02.19 |
IV.ASQU.HHE. | ML:1.5 | 0.000098143495 | 0.192 | AML | other | m | 2021-04-22T17:13:02.66 |
IV.BRIS.HHE. | ML:1.9 | 0.0005204293 | 0.3584 | AML | other | m | 2021-04-22T17:13:03.00 |
IV.ASQU.HHN. | ML:1.5 | 0.00010463438 | 0.2816 | AML | other | m | 2021-04-22T17:13:03.14 |
IV.MTRZ.HHN. | ML:1.8 | 0.00036482205 | 0.2688 | AML | other | m | 2021-04-22T17:13:03.78 |
IV.IMOL.HNN. | ML:2.4 | 0.00100686565 | 0.0512 | AML | other | m | 2021-04-22T17:13:03.87 |
IV.MTRZ.HNN. | ML:1.8 | 0.0003475952 | 1.5392 | AML | other | m | 2021-04-22T17:13:04.15 |
IV.SFI.HNE. | ML:1.5 | 0.00012962975 | 0.4608 | AML | other | m | 2021-04-22T17:13:04.45 |
IV.RUFI.EHN. | ML:1.2 | 0.00007832794000000001 | 0.4608 | AML | other | m | 2021-04-22T17:13:04.66 |
IV.IMOL.HNE. | ML:2.2 | 0.00067102695 | 0.064 | AML | other | m | 2021-04-22T17:13:05.64 |