A magnitude ML 1.5 earthquake occured in region: 6 km NW Castel del Rio (BO), on
and geographic coordinates (lat, lon) 44.2430, 11.4410 at 30 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 | 6 | 1246 | 1246 |
Fontanelice | BO | 10 | 1943 | 3189 |
Monterenzio | BO | 10 | 6035 | 9224 |
Loiano | BO | 10 | 4294 | 13518 |
Monghidoro | BO | 10 | 3749 | 17267 |
Borgo Tossignano | BO | 13 | 3288 | 20555 |
Monzuno | BO | 14 | 6328 | 26883 |
Firenzuola | FI | 15 | 4726 | 31609 |
Casola Valsenio | RA | 15 | 2617 | 34226 |
Casalfiumanese | BO | 15 | 3438 | 37664 |
Palazzuolo sul Senio | FI | 17 | 1154 | 38818 |
San Benedetto Val di Sambro | BO | 17 | 4315 | 43133 |
Pianoro | BO | 18 | 17460 | 60593 |
Dozza | BO | 20 | 6652 | 67245 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.5 | 2023-04-22 23:04:16 |
44.2427 | 11.4412 | 30 | 2024-03-01 17:18:08 |
Bollettino Sismico Italiano INGV | 117402871 |
Reviewed Rev100 |
ML 1.3 | 2023-04-22 23:04:16 |
44.2425 | 11.4452 | 27 | 2023-04-22 23:11:38 |
Sala Sismica INGV-Roma | 116624081 |
Field | Value |
---|---|
Time (UTC) | 2023-04-22 23:04:16 ± 0.58 |
Latitude | 44.2427 ± 0.0234 |
Longitude | 11.4412 ± 0.0289 |
Depth (km) | 30 ± 3 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 117402871 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 2228 |
Semi-minor axis of confidence ellipse (meter) | 2096 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 228 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 2230.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 140 |
Number of associated phases, regardless of their use for origin computation | 14 |
Number of defining phases | 14 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.47 |
Epicentral distance of station closest to the epicenter (degree) | 0.05396 |
Epicentral distance of station farthest from the epicenter (degree) | 0.44606 |
Number of stations at which the event was observed | 7 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.4 |
Num. used stations | 13 |
Type of magnitude | ML |
Reference to an origin | 116624081 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-04-22 23:11:38 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | 0.4 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 117402871 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2023-05-16 10:20:32 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.SFI.EHZ. | 2023-04-22T23:04:34.25 | 0.3 | undecidable | manual | S | 139 | 49.5171 | 116 | 1.2 | 45 |
IV.VMGN.HHZ. | 2023-04-22T23:04:29.74 | 0.6 | undecidable | manual | S | 167 | 32.745 | 128 | 0.5 | 43 |
IV.FNVD.HHZ. | 2023-04-22T23:04:28.55 | 0.3 | undecidable | manual | S | 252 | 26.6511 | 134 | 0.55 | 65 |
IV.LMD.HHZ. | 2023-04-22T23:04:27.96 | 0.3 | undecidable | manual | S | 131 | 28.0497 | 133 | -0.31 | 69 |
IV.SEI.HHZ. | 2023-04-22T23:04:27.03 | 0.3 | undecidable | manual | S | 197 | 21.867 | 140 | -0.11 | 72 |
IV.SFI.EHZ. | 2023-04-22T23:04:26.21 | 0.3 | undecidable | manual | P | 139 | 49.5171 | 116 | 0.29 | 65 |
IV.MTRZ.HHZ. | 2023-04-22T23:04:25.77 | 0.3 | undecidable | manual | S | 351 | 7.881 | 164 | 0.41 | 69 |
IV.VMGN.HHZ. | 2023-04-22T23:04:24.01 | 0.6 | undecidable | manual | P | 167 | 32.745 | 128 | 0.28 | 45 |
IV.VISG.HHZ. | 2023-04-22T23:04:24.05 | 0.3 | undecidable | manual | S | 185 | 5.994 | 168 | -1.19 | 51 |
IV.FNVD.HHZ. | 2023-04-22T23:04:22.83 | 0.3 | undecidable | manual | P | 252 | 26.6511 | 134 | -0.18 | 71 |
IV.LMD.HHZ. | 2023-04-22T23:04:22.95 | 0.3 | undecidable | manual | P | 131 | 28.0497 | 133 | -0.21 | 71 |
IV.SEI.HHZ. | 2023-04-22T23:04:22.41 | 0.3 | undecidable | manual | P | 197 | 21.867 | 140 | -0.11 | 72 |
IV.MTRZ.HHZ. | 2023-04-22T23:04:21.42 | 0.1 | undecidable | manual | P | 351 | 7.881 | 164 | -0.06 | 100 |
IV.VISG.HHZ. | 2023-04-22T23:04:20.83 | 0.3 | undecidable | manual | P | 185 | 5.994 | 168 | -0.58 | 67 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MTRZ.HHE. | ML:2.0 | 0.000495 | 0.56 | AML | other | m | 2023-04-22T23:04:26.47 |
IV.MTRZ.HNE. | ML:2.0 | 0.000522 | 0.5 | AML | other | m | 2023-04-22T23:04:26.48 |
IV.MTRZ.HHN. | ML:2.0 | 0.000509 | 0.2 | AML | other | m | 2023-04-22T23:04:26.89 |
IV.MTRZ.HNN. | ML:2.0 | 0.000483 | 0.22 | AML | other | m | 2023-04-22T23:04:26.90 |
IV.SEI.HHN. | ML:1.5 | 0.000135 | 0.18 | AML | other | m | 2023-04-22T23:04:27.36 |
IV.SEI.HHE. | ML:1.2 | 0.00007020000000000001 | 0.58 | AML | other | m | 2023-04-22T23:04:27.48 |
IV.LMD.HHE. | ML:1.2 | 0.000057999999999999994 | 0.28 | AML | other | m | 2023-04-22T23:04:28.12 |
IV.LMD.HHN. | ML:1.3 | 0.00006634999999999999 | 1.12 | AML | other | m | 2023-04-22T23:04:28.33 |
IV.FNVD.HHE. | ML:1.2 | 0.000050299999999999996 | 0.94 | AML | other | m | 2023-04-22T23:04:29.47 |
IV.FNVD.HHN. | ML:1.2 | 0.0000616 | 0.1 | AML | other | m | 2023-04-22T23:04:29.42 |