A magnitude ML 1.0 earthquake occured in region: 3 km NW Castel del Rio (BO), on
and geographic coordinates (lat, lon) 44.2330, 11.4700 at 26 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 | 8 | 1943 | 3189 |
Borgo Tossignano | BO | 11 | 3288 | 6477 |
Monterenzio | BO | 12 | 6035 | 12512 |
Monghidoro | BO | 12 | 3749 | 16261 |
Casola Valsenio | RA | 12 | 2617 | 18878 |
Loiano | BO | 13 | 4294 | 23172 |
Casalfiumanese | BO | 14 | 3438 | 26610 |
Firenzuola | FI | 15 | 4726 | 31336 |
Palazzuolo sul Senio | FI | 15 | 1154 | 32490 |
Monzuno | BO | 17 | 6328 | 38818 |
San Benedetto Val di Sambro | BO | 19 | 4315 | 43133 |
Dozza | BO | 19 | 6652 | 49785 |
Pianoro | BO | 20 | 17460 | 67245 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.0 | 2023-04-23 02:55:59 |
44.2327 | 11.4702 | 26 | 2024-03-01 17:18:05 |
Bollettino Sismico Italiano INGV | 116952391 |
Reviewed Rev100 |
ML 1.1 | 2023-04-23 02:55:59 |
44.2228 | 11.4387 | 26 | 2023-04-23 03:06:28 |
Sala Sismica INGV-Roma | 116630121 |
Field | Value |
---|---|
Time (UTC) | 2023-04-23 02:55:59 ± 0.54 |
Latitude | 44.2327 ± 0.0243 |
Longitude | 11.4702 ± 0.0251 |
Depth (km) | 26 ± 3 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 116952391 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 2845 |
Semi-minor axis of confidence ellipse (meter) | 573 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 25 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 2840.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 154 |
Number of associated phases, regardless of their use for origin computation | 10 |
Number of defining phases | 10 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.41 |
Epicentral distance of station closest to the epicenter (degree) | 0.05036 |
Epicentral distance of station farthest from the epicenter (degree) | 0.25721 |
Number of stations at which the event was observed | 5 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.4 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 116630121 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-04-23 03:06:28 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.3 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 116952391 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2024-02-09 10:50:52 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.FNVD.HHZ. | 2023-04-23T02:56:11.52 | 0.6 | undecidable | manual | S | 256 | 28.5492 | 126 | 0.59 | 42 |
IV.LMD.HHZ. | 2023-04-23T02:56:10.80 | 0.6 | undecidable | manual | S | 132 | 25.5522 | 130 | 0.5 | 44 |
IV.SEI.HHZ. | 2023-04-23T02:56:09.67 | 0.3 | undecidable | manual | S | 204 | 21.6672 | 135 | 0.13 | 72 |
IV.MTRZ.HHZ. | 2023-04-23T02:56:08.45 | 0.6 | undecidable | manual | S | 338 | 9.5793 | 157 | 0.74 | 41 |
IV.FNVD.HHZ. | 2023-04-23T02:56:06.03 | 0.3 | undecidable | manual | P | 256 | 28.5492 | 126 | -0.05 | 72 |
IV.VISG.HHZ. | 2023-04-23T02:56:06.64 | 0.3 | undecidable | manual | S | 211 | 5.5944 | 166 | -0.74 | 62 |
IV.SEI.HHZ. | 2023-04-23T02:56:05.27 | 0.1 | undecidable | manual | P | 204 | 21.6672 | 135 | -0.01 | 98 |
IV.LMD.HHZ. | 2023-04-23T02:56:05.80 | 0.3 | undecidable | manual | P | 132 | 25.5522 | 130 | 0.08 | 72 |
IV.MTRZ.HHZ. | 2023-04-23T02:56:04.21 | 0.1 | undecidable | manual | P | 338 | 9.5793 | 157 | -0.02 | 100 |
IV.VISG.HHZ. | 2023-04-23T02:56:03.61 | 0.1 | undecidable | manual | P | 211 | 5.5944 | 166 | -0.43 | 92 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.FNVD.HHE. | ML:0.7 | 0.0000184 | 0.42 | AML | other | m | 2023-04-23T02:56:06.37 |
IV.VISG.HHE. | ML:1.2 | 0.00008580281 | 1.7792 | AML | other | m | 2023-04-23T02:56:06.00 |
IV.VISG.HHN. | ML:0.9 | 0.00004530446 | 0.0592 | AML | other | m | 2023-04-23T02:56:07.11 |
IV.MTRZ.HHE. | ML:1.4 | 0.000161 | 0.58 | AML | other | m | 2023-04-23T02:56:09.32 |
IV.MTRZ.HNE. | ML:1.6 | 0.0002187386 | 0.5712 | AML | other | m | 2023-04-23T02:56:09.32 |
IV.MTRZ.HHN. | ML:1.4 | 0.000145 | 0.24 | AML | other | m | 2023-04-23T02:56:09.74 |
IV.MTRZ.HNN. | ML:1.5 | 0.0001657516755 | 0.2608 | AML | other | m | 2023-04-23T02:56:09.75 |
IV.SEI.HHN. | ML:1.0 | 0.0000449 | 0.2 | AML | other | m | 2023-04-23T02:56:10.18 |
IV.LMD.HHE. | ML:0.4 | 0.000009795 | 1.72 | AML | other | m | 2023-04-23T02:56:11.95 |
IV.FNVD.HHN. | ML:1.0 | 0.00003755 | 0.46 | AML | other | m | 2023-04-23T02:56:12.52 |
IV.LMD.HHN. | ML:0.6 | 0.0000141 | 0.74 | AML | other | m | 2023-04-23T02:56:12.80 |
IV.SEI.HHE. | ML:0.8 | 0.0000243 | 1.5 | AML | other | m | 2023-04-23T02:56:14.23 |