A magnitude ML 0.6 earthquake occured in region: 2 km E Marradi (FI), on
and geographic coordinates (lat, lon) 44.0680, 11.6340 at 5 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 |
---|---|---|---|---|
Marradi | FI | 2 | 3139 | 3139 |
Palazzuolo sul Senio | FI | 9 | 1154 | 4293 |
Tredozio | FC | 9 | 1212 | 5505 |
Portico e San Benedetto | FC | 13 | 756 | 6261 |
Premilcuore | FC | 15 | 799 | 7060 |
San Godenzo | FI | 16 | 1167 | 8227 |
Modigliana | FC | 16 | 4560 | 12787 |
Rocca San Casciano | FC | 17 | 1910 | 14697 |
Casola Valsenio | RA | 17 | 2617 | 17314 |
Castel del Rio | BO | 19 | 1246 | 18560 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.6 | 2023-12-20 09:31:02 |
44.0683 | 11.6343 | 5 | 2023-12-20 09:44:26 |
Sala Sismica INGV-Roma | 124157281 |
Field | Value |
---|---|
Time (UTC) | 2023-12-20 09:31:02 ± 0.23 |
Latitude | 44.0683 ± 0.0063 |
Longitude | 11.6343 ± 0.0075 |
Depth (km) | 5 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 124157281 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 655 |
Semi-minor axis of confidence ellipse (meter) | 384 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 190 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 660.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 130 |
Number of associated phases, regardless of their use for origin computation | 25 |
Number of defining phases | 13 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.23 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.33185 |
Number of stations at which the event was observed | 19 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 0.6 |
Uncertainty | 0.7 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 124157281 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-12-20 09:44:26 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.VENT.EHZ. | 2023-12-20T09:32:38.26 | 3.0 | undecidable | manual | Sg | 0.69 | 0 | |||
NI.PALA.HHZ. | 2023-12-20T09:32:20.30 | 3.0 | undecidable | manual | Sg | 8.99 | 0 | |||
IV.IVUG.HHZ. | 2023-12-20T09:32:19.15 | 3.0 | undecidable | manual | Pn | 3.15 | 0 | |||
IV.LAV9.HNZ. | 2023-12-20T09:32:18.41 | 3.0 | undecidable | manual | Sg | 3.59 | 0 | |||
IV.OFFI.HHZ. | 2023-12-20T09:32:08.74 | 3.0 | undecidable | manual | Sg | -5.08 | 0 | |||
IV.SNAL.HNZ. | 2023-12-20T09:32:05.81 | 3.0 | undecidable | manual | Pg | 12.27 | 0 | |||
IX.SCL3.EHZ.02 | 2023-12-20T09:31:56.50 | 3.0 | positive | manual | Pn | -1.28 | 0 | |||
IV.ARVD.HHZ. | 2023-12-20T09:31:50.96 | 3.0 | undecidable | manual | Sg | -8.09 | 0 | |||
IV.LRP.EHZ. | 2023-12-20T09:31:45.76 | 3.0 | negative | manual | Pg | 10.48 | 0 | |||
IV.CADC.HNZ. | 2023-12-20T09:31:35.26 | 3.0 | undecidable | manual | Sn | 1.9 | 0 | |||
MN.TRI.HHZ. | 2023-12-20T09:31:29.68 | 3.0 | negative | manual | Pn | -0.05 | 0 | |||
IV.FRON.EHZ. | 2023-12-20T09:31:14.30 | 3.0 | undecidable | manual | Pn | -3.69 | 0 | |||
IV.BOSL.HHE. | 2023-12-20T09:31:11.55 | 0.6 | undecidable | manual | S | 234 | 25.752 | 100 | -0.29 | 49 |
IV.SFI.EHZ. | 2023-12-20T09:31:11.49 | 0.6 | undecidable | manual | S | 137 | 24.8529 | 101 | -0.05 | 52 |
IV.VISG.HHZ. | 2023-12-20T09:31:10.08 | 0.6 | undecidable | manual | S | 310 | 20.7681 | 103 | -0.08 | 52 |
IV.MOCL.EHE. | 2023-12-20T09:31:10.65 | 0.1 | undecidable | manual | P | 259 | 36.8298 | 97 | 0.45 | 94 |
IV.SEI.HHZ. | 2023-12-20T09:31:10.28 | 0.6 | undecidable | manual | S | 266 | 22.0668 | 102 | -0.3 | 50 |
IV.BOSL.HHE. | 2023-12-20T09:31:08.24 | 0.1 | undecidable | manual | P | 234 | 25.752 | 100 | 0.24 | 100 |
IV.VMGN.HHZ. | 2023-12-20T09:31:08.32 | 0.6 | undecidable | manual | S | 213 | 14.9739 | 108 | 0.1 | 52 |
IV.SFI.EHZ. | 2023-12-20T09:31:07.42 | 0.6 | positive | manual | P | 137 | 24.8529 | 101 | -0.4 | 48 |
IV.SEI.HHZ. | 2023-12-20T09:31:06.84 | 1.0 | negative | manual | P | 266 | 22.0668 | 102 | -0.43 | 24 |
IV.VISG.HHZ. | 2023-12-20T09:31:06.85 | 0.6 | positive | manual | P | 310 | 20.7681 | 103 | -0.18 | 51 |
IV.LMD.HHZ. | 2023-12-20T09:31:05.56 | 0.6 | undecidable | manual | S | 80 | 5.8941 | 129 | 0.17 | 52 |
IV.VMGN.HHZ. | 2023-12-20T09:31:05.83 | 0.6 | positive | manual | P | 213 | 14.9739 | 108 | -0.08 | 53 |
IV.LMD.HHZ. | 2023-12-20T09:31:04.24 | 1.0 | undecidable | manual | P | 80 | 5.8941 | 129 | -0.04 | 27 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IT.FIE.HGE. | ML:4.1 | 0.046650000000000004 | 0.1 | AML | other | m | 2023-12-20T09:31:13.88 |
IT.FIE.HGN. | ML:4.0 | 0.03925 | 0.02 | AML | other | m | 2023-12-20T09:31:24.97 |
IV.LMD.HHE. | ML:0.0 | 0.00010979727 | 0.1024 | AML | other | m | 2023-12-20T09:31:05.60 |
IV.LMD.HHN. | ML:0.0 | 0.0002963813 | 0.1024 | AML | other | m | 2023-12-20T09:31:05.67 |
IV.VMGN.HHE. | ML:0.0 | 0.000012013552 | 0.16 | AML | other | m | 2023-12-20T09:31:08.76 |
IV.VMGN.HHN. | ML:0.1 | 0.00001423058 | 0.2624 | AML | other | m | 2023-12-20T09:31:08.58 |
IV.SEI.HHE. | ML:0.7 | 0.000032962494999999994 | 0.3392 | AML | other | m | 2023-12-20T09:31:14.32 |
IV.SEI.HHN. | ML:0.8 | 0.000048861405 | 0.1792 | AML | other | m | 2023-12-20T09:31:10.71 |
IV.VISG.HHE. | ML:0.3 | 0.000013668505000000002 | 0.1408 | AML | other | m | 2023-12-20T09:31:11.56 |
IV.VISG.HHN. | ML:0.4 | 0.00001778452 | 0.1216 | AML | other | m | 2023-12-20T09:31:11.51 |
IV.SFI.EHE. | ML:0.4 | 0.000016993756 | 0.2048 | AML | other | m | 2023-12-20T09:31:12.00 |
IV.SFI.EHN. | ML:0.5 | 0.000018321905 | 0.1408 | AML | other | m | 2023-12-20T09:31:11.50 |
IV.SFI.HNE. | ML:1.4 | 0.00016475044999999998 | 1.6576 | AML | other | m | 2023-12-20T09:31:13.93 |
IV.SFI.HNN. | ML:1.3 | 0.0001372334 | 1.0496 | AML | other | m | 2023-12-20T09:31:12.06 |