A magnitude ML 0.5 earthquake occured in region: 6 km S Castel del Rio (BO), on
and geographic coordinates (lat, lon) 44.1600, 11.4870 at 7 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 | 6 | 1246 | 1246 |
Palazzuolo sul Senio | FI | 7 | 1154 | 2400 |
Firenzuola | FI | 10 | 4726 | 7126 |
Fontanelice | BO | 12 | 1943 | 9069 |
Casola Valsenio | RA | 13 | 2617 | 11686 |
Marradi | FI | 14 | 3139 | 14825 |
Monghidoro | BO | 15 | 3749 | 18574 |
Borgo Tossignano | BO | 16 | 3288 | 21862 |
Loiano | BO | 18 | 4294 | 26156 |
Casalfiumanese | BO | 19 | 3438 | 29594 |
Monterenzio | BO | 20 | 6035 | 35629 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.5 | 2024-04-12 15:25:31 |
44.1602 | 11.4873 | 7 | 2024-04-12 15:45:58 |
Sala Sismica INGV-Roma | 126673211 |
Field | Value |
---|---|
Time (UTC) | 2024-04-12 15:25:31 ± 0.24 |
Latitude | 44.1602 ± 0.0054 |
Longitude | 11.4873 ± 0.0088 |
Depth (km) | 7 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 126673211 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 720 |
Semi-minor axis of confidence ellipse (meter) | 185 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 58 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 720.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 134 |
Number of associated phases, regardless of their use for origin computation | 18 |
Number of defining phases | 11 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.25 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.20774 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 0.5 |
Uncertainty | 0.4 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 126673211 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2024-04-12 15:45:58 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
OT.OT14.HHZ. | 2024-04-12T15:27:10.35 | 3.0 | undecidable | manual | Sn | 0.12 | 0 | |||
IV.MRVN.HHZ. | 2024-04-12T15:26:56.21 | 3.0 | undecidable | manual | Pg | 23.52 | 0 | |||
GU.SATI.HHZ. | 2024-04-12T15:26:54.93 | 3.0 | undecidable | manual | Sg | 13.88 | 0 | |||
IX.COL3.HHZ.02 | 2024-04-12T15:26:36.74 | 3.0 | undecidable | manual | Pn | 5.31 | 0 | |||
GU.SATI.HHZ. | 2024-04-12T15:26:18.53 | 3.0 | negative | manual | Pg | 12.63 | 0 | |||
IV.VMGN.HHZ. | 2024-04-12T15:25:39.65 | 0.3 | undecidable | manual | S | 171 | 23.0547 | 107 | 0.24 | 72 |
IV.MTRZ.HHN. | 2024-04-12T15:25:38.54 | 1.0 | undecidable | manual | S | 344 | 17.6712 | 112 | 0.91 | 19 |
IV.LMD.HHZ. | 2024-04-12T15:25:38.44 | 0.3 | undecidable | manual | S | 118 | 19.7691 | 110 | 0.13 | 74 |
IV.SEI.HHZ. | 2024-04-12T15:25:37.27 | 0.3 | undecidable | manual | S | 221 | 15.5733 | 114 | 0.3 | 72 |
IV.BDI.HHZ. | 2024-04-12T15:25:37.80 | 3.0 | negative | manual | P | -1.58 | 0 | |||
IT.MRR.HGN. | 2024-04-12T15:25:36.48 | 0.6 | undecidable | manual | S | 139 | 14.0748 | 117 | -0.02 | 51 |
IV.VMGN.HHZ. | 2024-04-12T15:25:35.60 | 0.1 | undecidable | manual | P | 171 | 23.0547 | 107 | -0.26 | 96 |
IV.LMD.HHZ. | 2024-04-12T15:25:34.94 | 1.0 | negative | manual | P | 118 | 19.7691 | 110 | -0.29 | 24 |
IT.MRR.HGN. | 2024-04-12T15:25:34.12 | 3.0 | undecidable | manual | P | 139 | 14.0748 | 117 | -0.06 | 0 |
IV.MTRZ.HHN. | 2024-04-12T15:25:34.94 | 0.1 | undecidable | manual | P | 344 | 17.6712 | 112 | 0.1 | 100 |
IV.SEI.HHZ. | 2024-04-12T15:25:34.32 | 0.1 | positive | manual | P | 221 | 15.5733 | 114 | -0.14 | 99 |
IV.VISG.HHZ. | 2024-04-12T15:25:33.91 | 0.6 | undecidable | manual | S | 307 | 5.2947 | 143 | -0.18 | 50 |
IV.VISG.HHZ. | 2024-04-12T15:25:32.60 | 0.1 | negative | manual | P | 307 | 5.2947 | 143 | -0.2 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.VISG.HHN. | ML:1.3 | 0.00032399999999999996 | 0.08 | AML | other | m | 2024-04-12T15:25:34.16 |
IV.VISG.HHE. | ML:1.0 | 0.0001945 | 0.14 | AML | other | m | 2024-04-12T15:25:34.12 |
IV.SEI.HHE. | ML:0.7 | 0.000051322895 | 0.18 | AML | other | m | 2024-04-12T15:25:37.39 |
IV.SEI.HHN. | ML:1.0 | 0.00009955 | 1.22 | AML | other | m | 2024-04-12T15:25:38.64 |
IV.LMD.HHE. | ML:0.3 | 0.000014669076 | 0.12 | AML | other | m | 2024-04-12T15:25:39.96 |
IV.LMD.HHN. | ML:0.1 | 0.000012289095 | 0.12 | AML | other | m | 2024-04-12T15:25:40.03 |