A magnitude ML 1.0 earthquake occured in region: 5 km NW Castel del Rio (BO), on
and geographic coordinates (lat, lon) 44.2380, 11.4560 at 28 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 |
---|---|---|---|---|
Castel del Rio | BO | 5 | 1246 | 1246 |
Fontanelice | BO | 9 | 1943 | 3189 |
Monterenzio | BO | 11 | 6035 | 9224 |
Monghidoro | BO | 11 | 3749 | 12973 |
Loiano | BO | 11 | 4294 | 17267 |
Borgo Tossignano | BO | 12 | 3288 | 20555 |
Casola Valsenio | RA | 14 | 2617 | 23172 |
Casalfiumanese | BO | 15 | 3438 | 26610 |
Firenzuola | FI | 15 | 4726 | 31336 |
Monzuno | BO | 15 | 6328 | 37664 |
Palazzuolo sul Senio | FI | 16 | 1154 | 38818 |
San Benedetto Val di Sambro | BO | 18 | 4315 | 43133 |
Pianoro | BO | 19 | 17460 | 60593 |
Dozza | BO | 19 | 6652 | 67245 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.0 | 2023-04-22 23:27:46 |
44.2382 | 11.4562 | 28 | 2024-03-01 17:18:07 |
Bollettino Sismico Italiano INGV | 117277631 |
Reviewed Rev100 |
ML 1.2 | 2023-04-22 23:27:46 |
44.233 | 11.4672 | 27 | 2023-04-22 23:33:53 |
Sala Sismica INGV-Roma | 116624831 |
Field | Value |
---|---|
Time (UTC) | 2023-04-22 23:27:46 ± 0.54 |
Latitude | 44.2382 ± 0.0171 |
Longitude | 11.4562 ± 0.0238 |
Depth (km) | 28 ± 3 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 117277631 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 2130 |
Semi-minor axis of confidence ellipse (meter) | 268 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 46 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 2130.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 149 |
Number of associated phases, regardless of their use for origin computation | 12 |
Number of defining phases | 12 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.4 |
Epicentral distance of station closest to the epicenter (degree) | 0.05126 |
Epicentral distance of station farthest from the epicenter (degree) | 0.28868 |
Number of stations at which the event was observed | 6 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.3 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 117277631 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2023-05-12 08:45:18 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.3 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 116624831 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-04-22 23:33:53 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.VMGN.HHZ. | 2023-04-22T23:27:59.22 | 0.3 | undecidable | manual | S | 169 | 32.0457 | 126 | 0.63 | 60 |
IV.LMD.HHZ. | 2023-04-22T23:27:57.56 | 0.3 | undecidable | manual | S | 132 | 26.751 | 131 | 0.08 | 71 |
IV.FNVD.HHZ. | 2023-04-22T23:27:57.97 | 0.3 | undecidable | manual | S | 254 | 27.6501 | 130 | 0.31 | 69 |
IV.SEI.HHZ. | 2023-04-22T23:27:56.52 | 0.6 | undecidable | manual | S | 201 | 21.867 | 138 | -0.02 | 49 |
IV.MTRZ.HHZ. | 2023-04-22T23:27:55.27 | 0.3 | undecidable | manual | S | 343 | 8.6802 | 161 | 0.55 | 67 |
IV.VMGN.HHZ. | 2023-04-22T23:27:53.58 | 0.3 | undecidable | manual | P | 169 | 32.0457 | 126 | 0.3 | 67 |
IV.VISG.HHZ. | 2023-04-22T23:27:53.54 | 0.3 | undecidable | manual | S | 198 | 5.6943 | 167 | -0.97 | 56 |
IV.FNVD.HHZ. | 2023-04-22T23:27:52.50 | 0.6 | undecidable | manual | P | 254 | 27.6501 | 130 | -0.24 | 46 |
IV.SEI.HHZ. | 2023-04-22T23:27:52.04 | 0.6 | negative | manual | P | 201 | 21.867 | 138 | -0.06 | 49 |
IV.LMD.HHZ. | 2023-04-22T23:27:52.49 | 0.3 | undecidable | manual | P | 132 | 26.751 | 131 | -0.15 | 71 |
IV.MTRZ.HHZ. | 2023-04-22T23:27:51.04 | 0.1 | negative | manual | P | 343 | 8.6802 | 161 | -0.01 | 100 |
IV.VISG.HHZ. | 2023-04-22T23:27:50.41 | 0.3 | undecidable | manual | P | 198 | 5.6943 | 167 | -0.52 | 68 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.VISG.HHE. | ML:1.4 | 0.0001381 | 0.32 | AML | other | m | 2023-04-22T23:27:53.73 |
IV.VISG.HHN. | ML:1.3 | 0.0001031 | 0.52 | AML | other | m | 2023-04-22T23:27:53.92 |
IV.SEI.HHN. | ML:1.2 | 0.0000764 | 1.8 | AML | other | m | 2023-04-22T23:27:57.93 |
IV.SEI.HHE. | ML:0.9 | 0.00003625 | 1.54 | AML | other | m | 2023-04-22T23:27:57.05 |
IV.LMD.HHE. | ML:0.8 | 0.000025349999999999996 | 0.3 | AML | other | m | 2023-04-22T23:27:57.69 |
IV.LMD.HHN. | ML:0.8 | 0.00002695 | 0.86 | AML | other | m | 2023-04-22T23:27:58.90 |
IV.FNVD.HHE. | ML:0.7 | 0.000019759804999999997 | 0.2432 | AML | other | m | 2023-04-22T23:27:58.57 |
IV.FNVD.HHN. | ML:0.9 | 0.000029873879999999997 | 0.1408 | AML | other | m | 2023-04-22T23:27:59.11 |