A magnitude ML 1.2 earthquake occured in region: 6 km NE Palazzuolo sul Senio (FI), on
and geographic coordinates (lat, lon) 44.1420, 11.6060 at 9 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 |
---|---|---|---|---|
Palazzuolo sul Senio | FI | 6 | 1154 | 1154 |
Marradi | FI | 7 | 3139 | 4293 |
Casola Valsenio | RA | 9 | 2617 | 6910 |
Castel del Rio | BO | 11 | 1246 | 8156 |
Tredozio | FC | 13 | 1212 | 9368 |
Fontanelice | BO | 14 | 1943 | 11311 |
Modigliana | FC | 15 | 4560 | 15871 |
Borgo Tossignano | BO | 15 | 3288 | 19159 |
Brisighella | RA | 16 | 7639 | 26798 |
Casalfiumanese | BO | 18 | 3438 | 30236 |
Riolo Terme | RA | 18 | 5720 | 35956 |
Firenzuola | FI | 18 | 4726 | 40682 |
Portico e San Benedetto | FC | 19 | 756 | 41438 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.2 | 2021-05-24 15:35:08 |
44.1417 | 11.6055 | 9 | 2021-05-24 15:48:08 |
Sala Sismica INGV-Roma | 90456681 |
Field | Value |
---|---|
Time (UTC) | 2021-05-24 15:35:08 ± 0.08 |
Latitude | 44.1417 ± 0.0063 |
Longitude | 11.6055 ± 0.0050 |
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 | 90456681 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 621 |
Semi-minor axis of confidence ellipse (meter) | 383 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 9 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 620.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 123 |
Number of associated phases, regardless of their use for origin computation | 31 |
Number of defining phases | 18 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.25 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.41369 |
Number of stations at which the event was observed | 21 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.3 |
Num. used stations | 16 |
Type of magnitude | ML |
Reference to an origin | 90456681 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-05-24 15:48:08 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.APRC.HHZ. | 2021-05-24T15:36:55.35 | 3.0 | undecidable | manual | Sn | 4.79 | 0 | |||
IV.CELI.HHZ. | 2021-05-24T15:36:54.35 | 3.0 | undecidable | manual | Pg | 17.84 | 0 | |||
IV.GIZZ.HHZ. | 2021-05-24T15:36:53.31 | 3.0 | positive | manual | Pg | 13.84 | 0 | |||
IV.SLCN.HHZ. | 2021-05-24T15:36:34.53 | 3.0 | undecidable | manual | Pg | 14.43 | 0 | |||
IV.GIUL.HHZ. | 2021-05-24T15:36:29.97 | 3.0 | undecidable | manual | Sn | 1.49 | 0 | |||
SL.KOGS.BHZ. | 2021-05-24T15:36:22.17 | 3.0 | undecidable | manual | Pg | 12.94 | 0 | |||
IV.VBKN.HHZ. | 2021-05-24T15:36:11.92 | 3.0 | negative | manual | Pn | 3.95 | 0 | |||
SI.BOSI.HHZ. | 2021-05-24T15:35:53.13 | 3.0 | positive | manual | Pg | 6.9 | 0 | |||
IV.RIBO.EHZ.01 | 2021-05-24T15:35:47.25 | 3.0 | undecidable | manual | S | -1.79 | 0 | |||
IV.LNSS.HHZ. | 2021-05-24T15:35:42.62 | 3.0 | undecidable | manual | Pg | 2.83 | 0 | |||
IV.NDIM.HNZ. | 2021-05-24T15:35:25.34 | 3.0 | positive | manual | P | -0.39 | 0 | |||
IV.MPPT.EHZ. | 2021-05-24T15:35:24.66 | 0.6 | undecidable | manual | S | 244 | 45.9207 | 50 | 0.75 | 38 |
IV.FNVD.HHN. | 2021-05-24T15:35:22.52 | 0.6 | undecidable | manual | S | 274 | 38.5281 | 50 | 0.58 | 42 |
IV.ASQU.HHZ. | 2021-05-24T15:35:22.87 | 0.3 | undecidable | manual | S | 159 | 41.0256 | 50 | 0.27 | 67 |
IV.RUFI.EHZ. | 2021-05-24T15:35:21.04 | 0.6 | undecidable | manual | S | 193 | 34.5432 | 50 | 0.16 | 47 |
IV.SFI.EHZ. | 2021-05-24T15:35:20.39 | 0.6 | undecidable | manual | S | 144 | 32.5452 | 50 | 0.03 | 48 |
IV.MTRZ.HHZ. | 2021-05-24T15:35:19.72 | 3.0 | undecidable | manual | S | 0 | ||||
IV.SEI.HHE. | 2021-05-24T15:35:17.34 | 0.3 | undecidable | manual | S | 244 | 21.9669 | 113 | 0.24 | 70 |
IV.MPPT.EHZ. | 2021-05-24T15:35:17.51 | 0.1 | undecidable | manual | P | 244 | 45.9207 | 50 | -0.02 | 94 |
IV.FNVD.HHN. | 2021-05-24T15:35:16.17 | 0.1 | undecidable | manual | P | 274 | 38.5281 | 50 | -0.23 | 91 |
IV.ASQU.HHZ. | 2021-05-24T15:35:16.53 | 0.1 | undecidable | manual | P | 159 | 41.0256 | 50 | -0.25 | 90 |
IV.SFI.EHZ. | 2021-05-24T15:35:15.15 | 0.1 | undecidable | manual | P | 144 | 32.5452 | 50 | -0.33 | 90 |
IV.RUFI.EHZ. | 2021-05-24T15:35:15.52 | 0.1 | undecidable | manual | P | 193 | 34.5432 | 50 | -0.27 | 91 |
IV.BRIS.HHZ. | 2021-05-24T15:35:15.46 | 0.1 | undecidable | manual | S | 54 | 15.7731 | 121 | 0.27 | 94 |
IV.VISG.HHZ. | 2021-05-24T15:35:14.68 | 0.3 | undecidable | manual | S | 291 | 14.5743 | 123 | -0.17 | 72 |
IV.LMD.HHZ. | 2021-05-24T15:35:13.95 | 0.3 | undecidable | manual | S | 131 | 10.7781 | 131 | 0.17 | 73 |
IV.SEI.HHE. | 2021-05-24T15:35:13.45 | 0.1 | undecidable | manual | P | 244 | 21.9669 | 113 | -0.15 | 95 |
IV.BRIS.HHZ. | 2021-05-24T15:35:12.51 | 0.1 | undecidable | manual | P | 54 | 15.7731 | 121 | 0.01 | 99 |
IV.VISG.HHZ. | 2021-05-24T15:35:12.18 | 0.1 | undecidable | manual | P | 291 | 14.5743 | 123 | -0.12 | 97 |
IV.MTRZ.HHZ. | 2021-05-24T15:35:12.56 | 3.0 | undecidable | manual | P | 0 | ||||
IV.LMD.HHZ. | 2021-05-24T15:35:11.69 | 0.1 | undecidable | manual | P | 131 | 10.7781 | 131 | 0 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.LMD.HHN. | ML:1.3 | 0.0002528333 | 0.3328 | AML | other | m | 2021-05-24T15:35:16.98 |
IV.LMD.HHE. | ML:1.2 | 0.00018037739999999999 | 0.2432 | AML | other | m | 2021-05-24T15:35:15.46 |
IV.VISG.HHE. | ML:1.3 | 0.0002031548 | 0.1152 | AML | other | m | 2021-05-24T15:35:14.81 |
IV.VISG.HHN. | ML:1.2 | 0.0001499635 | 0.3072 | AML | other | m | 2021-05-24T15:35:16.68 |
IV.BRIS.HHE. | ML:2.0 | 0.0010215 | 0.14 | AML | other | m | 2021-05-24T15:35:15.68 |
IV.BRIS.HHN. | ML:2.2 | 0.001435 | 0.2 | AML | other | m | 2021-05-24T15:35:15.69 |
IV.SFI.EHN. | ML:1.0 | 0.00004161555 | 0.1792 | AML | other | m | 2021-05-24T15:35:22.25 |
IV.SFI.EHE. | ML:1.0 | 0.00004626029500000001 | 0.1408 | AML | other | m | 2021-05-24T15:35:22.23 |
IV.ASQU.HHN. | ML:1.1 | 0.000042242075000000005 | 0.32 | AML | other | m | 2021-05-24T15:35:23.91 |
IV.ASQU.HHE. | ML:1.0 | 0.000036806619999999996 | 0.2432 | AML | other | m | 2021-05-24T15:35:23.92 |
IV.BRIS.HNE. | ML:0.9 | 0.000078717815 | 0.4992 | AML | other | m | 2021-05-24T15:35:22.11 |
IV.BRIS.HNN. | ML:1.3 | 0.00019637675 | 0.8192 | AML | other | m | 2021-05-24T15:35:12.15 |
IV.SFI.HNE. | ML:1.4 | 0.00010201461 | 0.6272 | AML | other | m | 2021-05-24T15:35:16.19 |
IV.SFI.HNN. | ML:1.5 | 0.000131578265 | 0.7936 | AML | other | m | 2021-05-24T15:35:18.59 |
IV.RUFI.EHE. | ML:1.1 | 0.000051562742 | 0.1792 | AML | other | m | 2021-05-24T15:35:21.26 |
IV.RUFI.EHN. | ML:0.9 | 0.000032631555 | 0.3968 | AML | other | m | 2021-05-24T15:35:24.38 |