A magnitude ML 1.6 earthquake occured in region: 6 km NW Palazzuolo sul Senio (FI), on
and geographic coordinates (lat, lon) 44.1560, 11.4940 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 |
---|---|---|---|---|
Palazzuolo sul Senio | FI | 6 | 1154 | 1154 |
Castel del Rio | BO | 7 | 1246 | 2400 |
Firenzuola | FI | 10 | 4726 | 7126 |
Fontanelice | BO | 13 | 1943 | 9069 |
Casola Valsenio | RA | 13 | 2617 | 11686 |
Marradi | FI | 13 | 3139 | 14825 |
Borgo Tossignano | BO | 16 | 3288 | 18113 |
Monghidoro | BO | 16 | 3749 | 21862 |
Casalfiumanese | BO | 19 | 3438 | 25300 |
Loiano | BO | 19 | 4294 | 29594 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.6 | 2024-04-02 02:09:22 |
44.1563 | 11.4942 | 10 | 2024-04-02 02:20:56 |
Sala Sismica INGV-Roma | 126390101 |
Field | Value |
---|---|
Time (UTC) | 2024-04-02 02:09:22 ± 0.1 |
Latitude | 44.1563 ± 0.0054 |
Longitude | 11.4942 ± 0.0063 |
Depth (km) | 10 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 126390101 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 598 |
Semi-minor axis of confidence ellipse (meter) | 510 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 11 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 600.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 104 |
Number of associated phases, regardless of their use for origin computation | 20 |
Number of defining phases | 20 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.24 |
Epicentral distance of station closest to the epicenter (degree) | 0.05396 |
Epicentral distance of station farthest from the epicenter (degree) | 0.31836 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.4 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 126390101 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2024-04-02 02:20:56 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.RUFI.EHZ. | 2024-04-02T02:09:34.43 | 0.6 | undecidable | manual | S | 178 | 35.3424 | 50 | -0.04 | 48 |
IV.MOCL.EHZ. | 2024-04-02T02:09:33.05 | 0.6 | undecidable | manual | S | 236 | 30.0477 | 50 | -0.02 | 49 |
IV.BOSL.HHZ. | 2024-04-02T02:09:32.53 | 0.6 | undecidable | manual | S | 201 | 26.751 | 50 | 0.35 | 46 |
IV.RINC.EHE. | 2024-04-02T02:09:32.55 | 0.6 | undecidable | manual | S | 163 | 31.2465 | 50 | -0.83 | 38 |
IV.VMGN.HHZ. | 2024-04-02T02:09:31.22 | 0.6 | undecidable | manual | S | 172 | 22.5552 | 114 | 0.27 | 47 |
IT.MOG.HNZ. | 2024-04-02T02:09:31.10 | 0.6 | undecidable | manual | S | 86 | 21.7671 | 115 | 0.41 | 45 |
IV.MTRZ.HHZ. | 2024-04-02T02:09:30.21 | 1.0 | undecidable | manual | S | 342 | 18.2706 | 119 | 0.61 | 21 |
IV.RUFI.EHZ. | 2024-04-02T02:09:29.42 | 0.1 | undecidable | manual | P | 178 | 35.3424 | 50 | 0.06 | 95 |
IV.SEI.HHZ. | 2024-04-02T02:09:29.09 | 0.6 | undecidable | manual | S | 224 | 15.6732 | 123 | 0.26 | 47 |
IV.LMD.HHZ. | 2024-04-02T02:09:29.87 | 0.6 | undecidable | manual | S | 117 | 19.0698 | 118 | 0.01 | 50 |
IV.MOCL.EHZ. | 2024-04-02T02:09:28.47 | 0.3 | positive | manual | P | 236 | 30.0477 | 50 | -0.08 | 72 |
IV.BOSL.HHZ. | 2024-04-02T02:09:28.14 | 0.1 | undecidable | manual | P | 201 | 26.751 | 50 | 0.11 | 96 |
IV.RINC.EHE. | 2024-04-02T02:09:28.72 | 0.1 | undecidable | manual | P | 163 | 31.2465 | 50 | -0.01 | 97 |
IV.VMGN.HHZ. | 2024-04-02T02:09:27.35 | 0.1 | undecidable | manual | P | 172 | 22.5552 | 114 | 0.03 | 98 |
IT.MOG.HNZ. | 2024-04-02T02:09:27.08 | 0.1 | positive | manual | P | 86 | 21.7671 | 115 | -0.09 | 97 |
IV.LMD.HHZ. | 2024-04-02T02:09:26.55 | 0.1 | positive | manual | P | 117 | 19.0698 | 118 | -0.14 | 97 |
IV.MTRZ.HHZ. | 2024-04-02T02:09:26.95 | 0.6 | positive | manual | P | 342 | 18.2706 | 119 | 0.41 | 46 |
IV.SEI.HHZ. | 2024-04-02T02:09:26.10 | 0.1 | positive | manual | P | 224 | 15.6732 | 123 | 0 | 100 |
IV.VISG.HHZ. | 2024-04-02T02:09:25.70 | 0.6 | undecidable | manual | S | 307 | 5.994 | 149 | -0.74 | 42 |
IV.VISG.HHZ. | 2024-04-02T02:09:24.38 | 0.6 | undecidable | manual | P | 307 | 5.994 | 149 | -0.34 | 47 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SEI.HHN. | ML:2.4 | 0.0025650000000000004 | 0.26 | AML | other | m | 2024-04-02T02:09:29.39 |
IV.SEI.HHE. | ML:2.0 | 0.0009125 | 0.48 | AML | other | m | 2024-04-02T02:09:30.39 |
IV.LMD.HHN. | ML:1.5 | 0.0002615 | 0.12 | AML | other | m | 2024-04-02T02:09:30.63 |
IV.LMD.HHE. | ML:1.5 | 0.00023099999999999998 | 0.26 | AML | other | m | 2024-04-02T02:09:30.55 |
IV.VMGN.HHN. | ML:1.2 | 0.00009475 | 0.26 | AML | other | m | 2024-04-02T02:09:31.62 |
IV.VMGN.HHE. | ML:1.1 | 0.00008905 | 0.58 | AML | other | m | 2024-04-02T02:09:31.62 |
IV.MTRZ.HHN. | ML:1.8 | 0.0005335000000000001 | 0.56 | AML | other | m | 2024-04-02T02:09:31.52 |
IV.MTRZ.HNN. | ML:1.8 | 0.0005175000000000001 | 1.06 | AML | other | m | 2024-04-02T02:09:32.54 |
IV.MTRZ.HHE. | ML:1.8 | 0.0005585 | 0.3 | AML | other | m | 2024-04-02T02:09:32.68 |
IV.MTRZ.HNE. | ML:1.8 | 0.0005655 | 0.32 | AML | other | m | 2024-04-02T02:09:32.67 |
IV.BOSL.HHE. | ML:1.0 | 0.0000616 | 0.34 | AML | other | m | 2024-04-02T02:09:32.79 |
IV.BOSL.HHN. | ML:0.9 | 0.00004605 | 1.04 | AML | other | m | 2024-04-02T02:09:33.14 |