A magnitude ML 1.6 earthquake occured in region: 6 km NW Palazzuolo sul Senio (FI), on
and geographic coordinates (lat, lon) 44.1540, 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 |
Marradi | FI | 13 | 3139 | 12208 |
Casola Valsenio | RA | 13 | 2617 | 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 01:38:34 |
44.1542 | 11.4935 | 10 | 2024-04-02 01:47:40 |
Sala Sismica INGV-Roma | 126389661 |
Field | Value |
---|---|
Time (UTC) | 2024-04-02 01:38:34 ± 0.1 |
Latitude | 44.1542 ± 0.0054 |
Longitude | 11.4935 ± 0.0088 |
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 | 126389661 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 701 |
Semi-minor axis of confidence ellipse (meter) | 544 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 46 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 700.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 133 |
Number of associated phases, regardless of their use for origin computation | 28 |
Number of defining phases | 16 |
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) | 0.27969 |
Number of stations at which the event was observed | 19 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.4 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 126389661 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2024-04-02 01:47:40 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.VITU.HHZ. | 2024-04-02T01:40:18.69 | 3.0 | undecidable | manual | Sn | -3 | 0 | |||
IV.GRI.EHZ. | 2024-04-02T01:40:10.03 | 3.0 | undecidable | manual | Pn | 3.88 | 0 | |||
IV.MCRV.HHZ. | 2024-04-02T01:39:40.48 | 3.0 | undecidable | manual | Pn | 4.09 | 0 | |||
IV.LNSS.HHZ. | 2024-04-02T01:39:40.52 | 3.0 | undecidable | manual | Sg | 3.79 | 0 | |||
IV.CDRU.HHZ. | 2024-04-02T01:39:38.13 | 3.0 | undecidable | manual | Pn | -2.38 | 0 | |||
IV.VITU.HHZ. | 2024-04-02T01:39:32.92 | 3.0 | undecidable | manual | Pn | 4.25 | 0 | |||
IV.SGRT.HHZ. | 2024-04-02T01:39:32.24 | 3.0 | positive | manual | Pn | 2.03 | 0 | |||
IV.CIMA.HNZ. | 2024-04-02T01:39:31.51 | 3.0 | undecidable | manual | Sg | 0.28 | 0 | |||
IV.CSP1.EHZ. | 2024-04-02T01:39:31.84 | 3.0 | undecidable | manual | Sg | 2.9 | 0 | |||
IV.BSSO.HHZ. | 2024-04-02T01:39:23.23 | 3.0 | undecidable | manual | Pn | -1.19 | 0 | |||
TV.SF11.HHZ. | 2024-04-02T01:39:20.76 | 3.0 | undecidable | manual | Sg | -0.09 | 0 | |||
IV.MPAG.EHZ. | 2024-04-02T01:39:05.28 | 3.0 | undecidable | manual | Sn | -8.65 | 0 | |||
IV.MOCL.EHE. | 2024-04-02T01:38:45.12 | 0.6 | undecidable | manual | S | 236 | 29.9478 | 50 | -0.21 | 47 |
IV.RINC.EHE. | 2024-04-02T01:38:45.33 | 0.6 | undecidable | manual | S | 163 | 31.0467 | 50 | -0.3 | 46 |
IV.BOSL.HHN. | 2024-04-02T01:38:44.58 | 0.6 | undecidable | manual | S | 201 | 26.5512 | 50 | 0.16 | 48 |
IV.VMGN.HHZ. | 2024-04-02T01:38:43.46 | 0.6 | undecidable | manual | S | 172 | 22.3554 | 114 | 0.28 | 47 |
IV.LMD.HHZ. | 2024-04-02T01:38:42.14 | 0.6 | undecidable | manual | S | 116 | 19.0698 | 118 | 0.01 | 50 |
IV.MTRZ.HHE. | 2024-04-02T01:38:42.44 | 0.6 | undecidable | manual | S | 343 | 18.3705 | 119 | 0.5 | 45 |
IV.SEI.HHZ. | 2024-04-02T01:38:41.41 | 0.6 | undecidable | manual | S | 224 | 15.4734 | 123 | 0.35 | 47 |
IV.RINC.EHE. | 2024-04-02T01:38:40.99 | 0.1 | undecidable | manual | P | 163 | 31.0467 | 50 | 0 | 98 |
IV.BOSL.HHN. | 2024-04-02T01:38:40.44 | 0.1 | undecidable | manual | P | 201 | 26.5512 | 50 | 0.14 | 96 |
IV.MOCL.EHE. | 2024-04-02T01:38:40.68 | 0.1 | undecidable | manual | P | 236 | 29.9478 | 50 | -0.14 | 96 |
IV.VMGN.HHZ. | 2024-04-02T01:38:39.67 | 0.6 | negative | manual | P | 172 | 22.3554 | 114 | 0.09 | 49 |
IV.MTRZ.HHE. | 2024-04-02T01:38:39.19 | 0.1 | undecidable | manual | P | 343 | 18.3705 | 119 | 0.32 | 94 |
IV.VISG.HHZ. | 2024-04-02T01:38:38.05 | 0.6 | undecidable | manual | S | 309 | 6.0939 | 149 | -0.69 | 43 |
IV.SEI.HHZ. | 2024-04-02T01:38:38.39 | 0.1 | positive | manual | P | 224 | 15.4734 | 123 | 0.04 | 100 |
IV.LMD.HHZ. | 2024-04-02T01:38:38.83 | 0.3 | undecidable | manual | P | 116 | 19.0698 | 118 | -0.14 | 73 |
IV.VISG.HHZ. | 2024-04-02T01:38:36.64 | 0.1 | undecidable | manual | P | 309 | 6.0939 | 149 | -0.38 | 95 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.VISG.HHN. | ML:2.0 | 0.0015899999999999998 | 0.1 | AML | other | m | 2024-04-02T01:38:38.23 |
IV.VISG.HHE. | ML:1.7 | 0.0008325 | 0.36 | AML | other | m | 2024-04-02T01:38:38.13 |
IV.SEI.HHN. | ML:2.0 | 0.0009795000000000001 | 0.26 | AML | other | m | 2024-04-02T01:38:41.66 |
IV.SEI.HHE. | ML:1.5 | 0.000304 | 0.46 | AML | other | m | 2024-04-02T01:38:42.66 |
IV.LMD.HHN. | ML:1.1 | 0.0000955 | 1.14 | AML | other | m | 2024-04-02T01:38:42.88 |
IV.LMD.HHE. | ML:1.0 | 0.00007315 | 0.84 | AML | other | m | 2024-04-02T01:38:44.22 |