A magnitude ML 0.5 earthquake occured in region: 4 km SW Palazzuolo sul Senio (FI), on
and geographic coordinates (lat, lon) 44.0780, 11.5250 at 9 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 | 4 | 1154 | 1154 |
Marradi | FI | 7 | 3139 | 4293 |
Firenzuola | FI | 12 | 4726 | 9019 |
Castel del Rio | BO | 15 | 1246 | 10265 |
Vicchio | FI | 17 | 8044 | 18309 |
Borgo San Lorenzo | FI | 17 | 18211 | 36520 |
Tredozio | FC | 18 | 1212 | 37732 |
Casola Valsenio | RA | 18 | 2617 | 40349 |
San Godenzo | FI | 19 | 1167 | 41516 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.5 | 2024-02-26 05:44:13 |
44.0783 | 11.5247 | 9 | 2024-02-26 05:49:01 |
Sala Sismica INGV-Roma | 125550431 |
Field | Value |
---|---|
Time (UTC) | 2024-02-26 05:44:13 ± 0.07 |
Latitude | 44.0783 ± 0.0027 |
Longitude | 11.5247 ± 0.0025 |
Depth (km) | 9 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 125550431 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 269 |
Semi-minor axis of confidence ellipse (meter) | 97 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 22 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 270.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 120 |
Number of associated phases, regardless of their use for origin computation | 11 |
Number of defining phases | 9 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.1 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.28958 |
Number of stations at which the event was observed | 7 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 0.5 |
Uncertainty | 0.3 |
Num. used stations | 7 |
Type of magnitude | ML |
Reference to an origin | 125550431 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2024-02-26 05:49:01 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ZCCA.HHZ. | 2024-02-26T05:44:30.55 | 3.0 | undecidable | manual | Sn | -0.32 | 0 | |||
IV.ATMI.HHZ. | 2024-02-26T05:44:22.08 | 3.0 | negative | manual | P | -0.4 | 0 | |||
IV.SFI.EHZ. | 2024-02-26T05:44:20.21 | 0.3 | undecidable | manual | P | 127 | 32.1456 | 50 | -0.09 | 72 |
IV.VMGN.HHZ. | 2024-02-26T05:44:19.46 | 0.1 | undecidable | manual | S | 177 | 13.7751 | 124 | -0.04 | 100 |
IV.VISG.HHZ. | 2024-02-26T05:44:19.57 | 0.3 | undecidable | manual | S | 330 | 14.1747 | 123 | -0.06 | 75 |
IV.SEI.HHZ. | 2024-02-26T05:44:19.34 | 0.1 | undecidable | manual | S | 259 | 13.4754 | 125 | -0.09 | 99 |
IV.LMD.HHZ. | 2024-02-26T05:44:19.70 | 0.3 | undecidable | manual | S | 90 | 14.5743 | 123 | -0.03 | 75 |
IV.SEI.HHZ. | 2024-02-26T05:44:17.09 | 0.1 | undecidable | manual | P | 259 | 13.4754 | 125 | 0.08 | 99 |
IV.LMD.HHZ. | 2024-02-26T05:44:17.21 | 0.6 | undecidable | manual | P | 90 | 14.5743 | 123 | 0.02 | 50 |
IV.VMGN.HHZ. | 2024-02-26T05:44:17.25 | 0.6 | positive | manual | P | 177 | 13.7751 | 124 | 0.2 | 48 |
IV.VISG.HHZ. | 2024-02-26T05:44:17.26 | 0.6 | positive | manual | P | 330 | 14.1747 | 123 | 0.13 | 49 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SEI.HHN. | ML:1.2 | 0.0001705 | 0.24 | AML | other | m | 2024-02-26T05:44:19.76 |
IV.SEI.HHE. | ML:1.0 | 0.00009995 | 0.48 | AML | other | m | 2024-02-26T05:44:19.66 |
IV.LMD.HHE. | ML:0.5 | 0.000028876455 | 0.16 | AML | other | m | 2024-02-26T05:44:20.17 |
IV.LMD.HHN. | ML:0.4 | 0.00002469056 | 0.1408 | AML | other | m | 2024-02-26T05:44:20.04 |
IV.VMGN.HHN. | ML:0.4 | 0.00002269053 | 0.16 | AML | other | m | 2024-02-26T05:44:19.92 |
IV.VISG.HHE. | ML:0.0 | 0.000012143043 | 0.24 | AML | other | m | 2024-02-26T05:44:21.63 |
IV.VISG.HHN. | ML:0.3 | 0.000022380525 | 0.0992 | AML | other | m | 2024-02-26T05:44:20.33 |