A magnitude ML 1.3 earthquake occured in region: 4 km NW Castel del Rio (BO), on
and geographic coordinates (lat, lon) 44.2450, 11.4750 at 23 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 | 4 | 1246 | 1246 |
Fontanelice | BO | 7 | 1943 | 3189 |
Borgo Tossignano | BO | 10 | 3288 | 6477 |
Monterenzio | BO | 11 | 6035 | 12512 |
Casola Valsenio | RA | 12 | 2617 | 15129 |
Loiano | BO | 13 | 4294 | 19423 |
Casalfiumanese | BO | 13 | 3438 | 22861 |
Monghidoro | BO | 13 | 3749 | 26610 |
Palazzuolo sul Senio | FI | 16 | 1154 | 27764 |
Firenzuola | FI | 16 | 4726 | 32490 |
Monzuno | BO | 17 | 6328 | 38818 |
Dozza | BO | 18 | 6652 | 45470 |
Pianoro | BO | 19 | 17460 | 62930 |
Castel San Pietro Terme | BO | 19 | 20811 | 83741 |
San Benedetto Val di Sambro | BO | 20 | 4315 | 88056 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.3 | 2023-04-24 11:32:34 |
44.245 | 11.475 | 23 | 2024-03-01 17:18:07 |
Bollettino Sismico Italiano INGV | 117177991 |
Field | Value |
---|---|
Time (UTC) | 2023-04-24 11:32:34 ± 0.37 |
Latitude | 44.2450 ± 0.0153 |
Longitude | 11.4750 ± 0.0176 |
Depth (km) | 23 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 117177991 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1370 |
Semi-minor axis of confidence ellipse (meter) | 1340 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 20 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1370.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 163 |
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) | 0.39 |
Epicentral distance of station closest to the epicenter (degree) | 0.06295 |
Epicentral distance of station farthest from the epicenter (degree) | 0.29318 |
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 | 1.3 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 117177991 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2024-01-25 15:47:22 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.VMGN.HHN. | 2023-04-24T11:32:47.01 | 0.3 | undecidable | manual | S | 172 | 32.5452 | 118 | 0.55 | 66 |
IV.LMD.HHZ. | 2023-04-24T11:32:45.27 | 0.3 | undecidable | manual | S | 135 | 26.2515 | 124 | 0.26 | 72 |
IV.FNVD.HHZ. | 2023-04-24T11:32:45.94 | 0.3 | undecidable | manual | S | 253 | 29.2485 | 121 | 0.24 | 74 |
IV.SEI.HHZ. | 2023-04-24T11:32:44.41 | 0.3 | undecidable | manual | S | 204 | 23.0547 | 128 | 0.07 | 76 |
IV.MTRZ.HNN. | 2023-04-24T11:32:42.96 | 0.6 | undecidable | manual | S | 332 | 8.4804 | 157 | 1.03 | 38 |
IV.VMGN.HHN. | 2023-04-24T11:32:41.54 | 0.1 | undecidable | manual | P | 172 | 32.5452 | 118 | 0.12 | 98 |
IV.VISG.HHZ. | 2023-04-24T11:32:41.29 | 0.3 | undecidable | manual | S | 207 | 6.993 | 161 | -0.49 | 71 |
IV.LMD.HHZ. | 2023-04-24T11:32:40.41 | 0.1 | undecidable | manual | P | 135 | 26.2515 | 124 | -0.17 | 100 |
IV.FNVD.HHZ. | 2023-04-24T11:32:40.63 | 0.3 | undecidable | manual | P | 253 | 29.2485 | 121 | -0.34 | 71 |
IV.SEI.HHZ. | 2023-04-24T11:32:39.97 | 0.1 | undecidable | manual | P | 204 | 23.0547 | 128 | -0.22 | 98 |
IV.VISG.HHZ. | 2023-04-24T11:32:38.24 | 0.1 | undecidable | manual | P | 207 | 6.993 | 161 | -0.47 | 96 |
IV.MTRZ.HNN. | 2023-04-24T11:32:38.95 | 0.3 | undecidable | manual | P | 332 | 8.4804 | 157 | 0.16 | 77 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.VISG.HHE. | ML:1.6 | 0.00026450000000000003 | 0.32 | AML | other | m | 2023-04-24T11:32:41.63 |
IV.VISG.HHN. | ML:1.4 | 0.000179 | 0.34 | AML | other | m | 2023-04-24T11:32:41.57 |
IV.SEI.HHE. | ML:1.3 | 0.00008374999999999999 | 0.72 | AML | other | m | 2023-04-24T11:32:44.52 |
IV.SEI.HHN. | ML:1.5 | 0.000145 | 0.18 | AML | other | m | 2023-04-24T11:32:44.83 |
IV.LMD.HHN. | ML:1.1 | 0.00005985 | 0.9 | AML | other | m | 2023-04-24T11:32:46.79 |
IV.LMD.HHE. | ML:1.0 | 0.0000448 | 0.5 | AML | other | m | 2023-04-24T11:32:50.66 |