A magnitude ML 1.7 earthquake occured in region: 4 km S Castel del Rio (BO), on
and geographic coordinates (lat, lon) 44.1780, 11.4930 at 10 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 | 4 | 1246 | 1246 |
Palazzuolo sul Senio | FI | 8 | 1154 | 2400 |
Fontanelice | BO | 10 | 1943 | 4343 |
Firenzuola | FI | 11 | 4726 | 9069 |
Casola Valsenio | RA | 12 | 2617 | 11686 |
Borgo Tossignano | BO | 14 | 3288 | 14974 |
Monghidoro | BO | 15 | 3749 | 18723 |
Marradi | FI | 15 | 3139 | 21862 |
Casalfiumanese | BO | 17 | 3438 | 25300 |
Loiano | BO | 17 | 4294 | 29594 |
Monterenzio | BO | 18 | 6035 | 35629 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.7 | 2024-04-02 02:34:30 |
44.1778 | 11.4927 | 10 | 2024-04-02 02:46:36 |
Sala Sismica INGV-Roma | 126390421 |
Field | Value |
---|---|
Time (UTC) | 2024-04-02 02:34:30 ± 0.12 |
Latitude | 44.1778 ± 0.0072 |
Longitude | 11.4927 ± 0.0050 |
Depth (km) | 10 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 126390421 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 832 |
Semi-minor axis of confidence ellipse (meter) | 410 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 5 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 830.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 198 |
Number of associated phases, regardless of their use for origin computation | 14 |
Number of defining phases | 13 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.15 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.30217 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.2 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 126390421 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2024-04-02 02:46:36 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MOCL.EHZ. | 2024-04-02T02:34:41.52 | 0.6 | undecidable | manual | S | 232 | 31.3464 | 50 | 0.06 | 48 |
IV.BOSL.HHZ. | 2024-04-02T02:34:40.31 | 0.6 | undecidable | manual | S | 199 | 28.9488 | 50 | -0.5 | 44 |
IV.VMGN.HHZ. | 2024-04-02T02:34:39.70 | 0.6 | undecidable | manual | S | 173 | 24.9528 | 50 | -0.04 | 49 |
IV.LMD.HHZ. | 2024-04-02T02:34:38.44 | 0.6 | undecidable | manual | S | 123 | 20.3685 | 117 | 0.05 | 49 |
IV.SEI.HHZ. | 2024-04-02T02:34:37.65 | 0.6 | undecidable | manual | S | 218 | 17.3715 | 121 | 0.18 | 48 |
IV.RINC.EHE. | 2024-04-02T02:34:37.22 | 0.1 | undecidable | manual | P | 164 | 33.5442 | 50 | 0.08 | 96 |
IV.MOCL.EHZ. | 2024-04-02T02:34:36.87 | 0.6 | undecidable | manual | P | 232 | 31.3464 | 50 | 0.06 | 48 |
IV.BOSL.HHZ. | 2024-04-02T02:34:36.57 | 0.1 | undecidable | manual | P | 199 | 28.9488 | 50 | 0.14 | 96 |
IV.FNVD.HHZ. | 2024-04-02T02:34:35.82 | 3.0 | positive | manual | P | -0.05 | 0 | |||
IV.VMGN.HHZ. | 2024-04-02T02:34:35.81 | 0.1 | undecidable | manual | P | 173 | 24.9528 | 50 | -0.01 | 99 |
IV.VISG.HHZ. | 2024-04-02T02:34:34.15 | 0.6 | undecidable | manual | S | 285 | 4.7952 | 155 | -0.26 | 48 |
IV.SEI.HHZ. | 2024-04-02T02:34:34.52 | 0.1 | positive | manual | P | 218 | 17.3715 | 121 | 0.01 | 100 |
IV.LMD.HHZ. | 2024-04-02T02:34:34.98 | 0.1 | undecidable | manual | P | 123 | 20.3685 | 117 | -0.06 | 99 |
IV.VISG.HHZ. | 2024-04-02T02:34:32.83 | 0.6 | undecidable | manual | P | 285 | 4.7952 | 155 | 0.09 | 50 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.VISG.HHN. | ML:1.8 | 0.001058 | 0.08 | AML | other | m | 2024-04-02T02:34:34.40 |
IV.VISG.HHE. | ML:1.8 | 0.0009590000000000001 | 0.38 | AML | other | m | 2024-04-02T02:34:34.25 |
IV.SEI.HHN. | ML:1.8 | 0.0005275 | 0.26 | AML | other | m | 2024-04-02T02:34:37.80 |
IV.SEI.HHE. | ML:1.4 | 0.000186 | 0.7 | AML | other | m | 2024-04-02T02:34:38.40 |