A magnitude ML 0.8 earthquake occured in region: 2 km E Marradi (FI), on
and geographic coordinates (lat, lon) 44.0700, 11.6400 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 |
---|---|---|---|---|
Marradi | FI | 2 | 3139 | 3139 |
Tredozio | FC | 8 | 1212 | 4351 |
Palazzuolo sul Senio | FI | 9 | 1154 | 5505 |
Portico e San Benedetto | FC | 12 | 756 | 6261 |
Premilcuore | FC | 15 | 799 | 7060 |
Modigliana | FC | 16 | 4560 | 11620 |
San Godenzo | FI | 16 | 1167 | 12787 |
Rocca San Casciano | FC | 16 | 1910 | 14697 |
Casola Valsenio | RA | 17 | 2617 | 17314 |
Castel del Rio | BO | 19 | 1246 | 18560 |
Brisighella | RA | 20 | 7639 | 26199 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.8 | 2023-10-28 05:42:37 |
44.0698 | 11.64 | 10 | 2023-10-28 06:12:36 |
Sala Sismica INGV-Roma | 122497721 |
Field | Value |
---|---|
Time (UTC) | 2023-10-28 05:42:37 ± 0.1 |
Latitude | 44.0698 ± 0.0036 |
Longitude | 11.6400 ± 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 | 122497721 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 401 |
Semi-minor axis of confidence ellipse (meter) | 339 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 49 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 400.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 132 |
Number of associated phases, regardless of their use for origin computation | 28 |
Number of defining phases | 12 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.16 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.25001 |
Number of stations at which the event was observed | 20 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 0.8 |
Uncertainty | 0.3 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 122497721 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-10-28 06:12:36 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.GALF.HHZ. | 2023-10-28T05:44:28.74 | 3.0 | undecidable | manual | Pg | 17.93 | 0 | |||
IV.MOCO.HHZ. | 2023-10-28T05:44:27.83 | 3.0 | undecidable | manual | Sg | 16.02 | 0 | |||
IV.SGO.HHZ. | 2023-10-28T05:44:26.24 | 3.0 | undecidable | manual | Sn | -2.89 | 0 | |||
IV.PTRJ.HHZ. | 2023-10-28T05:44:22.73 | 3.0 | undecidable | manual | Sg | 17.950001 | 0 | |||
IV.SPS2.HHZ. | 2023-10-28T05:44:14.73 | 3.0 | positive | manual | Pg | 15.38 | 0 | |||
GU.SATI.HHZ. | 2023-10-28T05:44:13.85 | 3.0 | undecidable | manual | Sg | 11.42 | 0 | |||
IV.VITU.HHZ. | 2023-10-28T05:44:13.11 | 3.0 | undecidable | manual | Sn | 3.65 | 0 | |||
IV.SFI.EHZ. | 2023-10-28T05:43:49.24 | 3.0 | undecidable | manual | S | 0 | ||||
IV.SFI.EHZ. | 2023-10-28T05:43:45.43 | 3.0 | undecidable | manual | P | 0 | ||||
IV.SGG.HHZ. | 2023-10-28T05:43:37.76 | 3.0 | undecidable | manual | Pg | 13.76 | 0 | |||
IV.GUMA.HHZ. | 2023-10-28T05:43:19.22 | 3.0 | undecidable | manual | Sn | 0.21 | 0 | |||
IV.NRCA.HHZ. | 2023-10-28T05:43:05.79 | 3.0 | negative | manual | Pg | 5.46 | 0 | |||
IV.GUMA.HHZ. | 2023-10-28T05:42:59.27 | 3.0 | positive | manual | Pn | -0.15 | 0 | |||
IV.SNTG.HHZ. | 2023-10-28T05:42:54.89 | 3.0 | negative | manual | P | 0.14 | 0 | |||
IV.CPGN.HNZ. | 2023-10-28T05:42:52.94 | 3.0 | undecidable | manual | S | -0.28 | 0 | |||
IV.RUFI.EHZ. | 2023-10-28T05:42:47.14 | 0.3 | undecidable | manual | S | 202 | 27.75 | 50 | -0.13 | 95 |
IV.RINC.EHZ. | 2023-10-28T05:42:45.03 | 0.3 | undecidable | manual | S | 187 | 20.5683 | 116 | -0.04 | 99 |
IV.VISG.HHE. | 2023-10-28T05:42:45.21 | 0.3 | undecidable | manual | S | 309 | 21.0678 | 115 | -0.02 | 99 |
IV.SEI.HHZ. | 2023-10-28T05:42:45.54 | 0.3 | undecidable | manual | S | 266 | 22.4553 | 114 | -0.15 | 96 |
IV.FNVD.HHZ. | 2023-10-28T05:42:44.29 | 3.0 | undecidable | manual | P | -0.86 | 0 | |||
IV.VMGN.HHZ. | 2023-10-28T05:42:43.56 | 0.3 | undecidable | manual | S | 214 | 15.3735 | 123 | 0.05 | 99 |
IV.RUFI.EHZ. | 2023-10-28T05:42:42.95 | 0.3 | undecidable | manual | P | 202 | 27.75 | 50 | -0.05 | 97 |
IV.VISG.HHE. | 2023-10-28T05:42:42.06 | 0.3 | undecidable | manual | P | 309 | 21.0678 | 115 | 0.24 | 94 |
IV.RINC.EHZ. | 2023-10-28T05:42:41.99 | 0.3 | undecidable | manual | P | 187 | 20.5683 | 116 | 0.27 | 94 |
IV.SEI.HHZ. | 2023-10-28T05:42:41.98 | 0.3 | undecidable | manual | P | 266 | 22.4553 | 114 | -0.1 | 97 |
IV.LMD.HHZ. | 2023-10-28T05:42:40.83 | 0.3 | undecidable | manual | S | 81 | 5.3946 | 151 | -0.26 | 97 |
IV.VMGN.HHZ. | 2023-10-28T05:42:40.95 | 0.3 | undecidable | manual | P | 214 | 15.3735 | 123 | 0.12 | 98 |
IV.LMD.HHZ. | 2023-10-28T05:42:39.52 | 0.3 | undecidable | manual | P | 81 | 5.3946 | 151 | 0.09 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.LMD.HHE. | ML:0.8 | 0.00011599999999999999 | 1.74 | AML | other | m | 2023-10-28T05:42:41.95 |
IV.LMD.HHN. | ML:1.1 | 0.00020850000000000003 | 1.74 | AML | other | m | 2023-10-28T05:42:41.96 |
IV.VMGN.HHE. | ML:0.2 | 0.00001420443 | 0.1408 | AML | other | m | 2023-10-28T05:42:43.94 |
IV.VMGN.HHN. | ML:0.3 | 0.000017764284999999998 | 0.0416 | AML | other | m | 2023-10-28T05:42:43.98 |
IV.SEI.HHE. | ML:0.8 | 0.00004664701 | 0.32 | AML | other | m | 2023-10-28T05:42:47.20 |
IV.SEI.HHN. | ML:1.0 | 0.000064136985 | 0 | AML | other | m | 2023-10-28T05:42:45.88 |