A magnitude ML 1.2 earthquake occured in region: 5 km SW Castel del Rio (BO), on
and geographic coordinates (lat, lon) 44.1740, 11.4750 at 8 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 |
---|---|---|---|---|
Castel del Rio | BO | 5 | 1246 | 1246 |
Palazzuolo sul Senio | FI | 9 | 1154 | 2400 |
Firenzuola | FI | 10 | 4726 | 7126 |
Fontanelice | BO | 12 | 1943 | 9069 |
Casola Valsenio | RA | 13 | 2617 | 11686 |
Monghidoro | BO | 14 | 3749 | 15435 |
Borgo Tossignano | BO | 15 | 3288 | 18723 |
Marradi | FI | 16 | 3139 | 21862 |
Loiano | BO | 16 | 4294 | 26156 |
Monterenzio | BO | 18 | 6035 | 32191 |
Casalfiumanese | BO | 18 | 3438 | 35629 |
Monzuno | BO | 20 | 6328 | 41957 |
San Benedetto Val di Sambro | BO | 20 | 4315 | 46272 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.2 | 2023-09-17 02:37:07 |
44.1742 | 11.4747 | 8 | 2023-09-17 02:46:42 |
Sala Sismica INGV-Roma | 121121571 |
Field | Value |
---|---|
Time (UTC) | 2023-09-17 02:37:07 ± 0.1 |
Latitude | 44.1742 ± 0.0036 |
Longitude | 11.4747 ± 0.0075 |
Depth (km) | 8 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 121121571 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 487 |
Semi-minor axis of confidence ellipse (meter) | 450 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 288 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 490.0 |
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 | 16 |
Number of defining phases | 16 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.19 |
Epicentral distance of station closest to the epicenter (degree) | 0.03238 |
Epicentral distance of station farthest from the epicenter (degree) | 0.37951 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 121121571 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-09-17 02:46:42 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.SFI.EHZ. | 2023-09-17T02:37:22.09 | 0.6 | undecidable | manual | S | 135 | 42.1245 | 50 | 0.12 | 47 |
IV.MOCL.EHZ. | 2023-09-17T02:37:18.74 | 0.3 | undecidable | manual | S | 231 | 30.0477 | 105 | 0.3 | 69 |
IV.FNVD.HHZ. | 2023-09-17T02:37:17.72 | 0.6 | undecidable | manual | S | 269 | 27.9498 | 106 | -0.05 | 49 |
IV.BOSL.HHZ. | 2023-09-17T02:37:17.40 | 0.6 | undecidable | manual | S | 197 | 28.1496 | 106 | -0.42 | 45 |
IV.VMGN.HHZ. | 2023-09-17T02:37:16.96 | 0.6 | undecidable | manual | S | 169 | 24.753 | 108 | 0.25 | 47 |
IV.SFI.EHZ. | 2023-09-17T02:37:15.41 | 1.0 | undecidable | manual | P | 135 | 42.1245 | 50 | -0.5 | 22 |
IV.MTRZ.HHZ. | 2023-09-17T02:37:14.37 | 0.6 | undecidable | manual | S | 346 | 15.873 | 117 | 0.52 | 45 |
IV.SEI.HHZ. | 2023-09-17T02:37:14.11 | 1.0 | undecidable | manual | S | 215 | 16.1727 | 117 | 0.16 | 24 |
IV.BOSL.HHZ. | 2023-09-17T02:37:13.55 | 0.3 | undecidable | manual | P | 197 | 28.1496 | 106 | 0.03 | 73 |
IV.FNVD.HHZ. | 2023-09-17T02:37:13.31 | 0.1 | negative | manual | P | 269 | 27.9498 | 106 | -0.18 | 95 |
IV.MOCL.EHZ. | 2023-09-17T02:37:13.75 | 1.0 | negative | manual | P | 231 | 30.0477 | 105 | -0.13 | 24 |
IV.VMGN.HHZ. | 2023-09-17T02:37:12.96 | 1.0 | positive | manual | P | 169 | 24.753 | 108 | 0.08 | 24 |
IV.SEI.HHZ. | 2023-09-17T02:37:11.41 | 0.1 | positive | manual | P | 215 | 16.1727 | 117 | 0.13 | 98 |
IV.MTRZ.HHZ. | 2023-09-17T02:37:11.19 | 0.1 | undecidable | manual | P | 346 | 15.873 | 117 | -0.04 | 100 |
IV.VISG.HHZ. | 2023-09-17T02:37:10.70 | 0.3 | undecidable | manual | S | 297 | 3.5964 | 156 | -0.07 | 76 |
IV.VISG.HHZ. | 2023-09-17T02:37:09.23 | 0.1 | positive | manual | P | 297 | 3.5964 | 156 | -0.22 | 98 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SEI.HHE. | ML:1.1 | 0.00010885 | 1.06 | AML | other | m | 2023-09-17T02:37:15.24 |
IV.SEI.HHN. | ML:1.3 | 0.00020050000000000002 | 0.24 | AML | other | m | 2023-09-17T02:37:15.29 |
IV.MTRZ.HHN. | ML:1.4 | 0.00022 | 1.68 | AML | other | m | 2023-09-17T02:37:15.00 |
IV.MTRZ.HHE. | ML:1.5 | 0.00028100000000000005 | 0.24 | AML | other | m | 2023-09-17T02:37:16.81 |
IV.FNVD.HHN. | ML:0.9 | 0.00004405 | 0.46 | AML | other | m | 2023-09-17T02:37:18.77 |
IV.FNVD.HHE. | ML:1.0 | 0.00005575 | 0.1 | AML | other | m | 2023-09-17T02:37:18.52 |