A magnitude ML 1.0 earthquake occured in region: 4 km E Marradi (FI), on
and geographic coordinates (lat, lon) 44.0660, 11.6580 at 6 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 | 4 | 3139 | 3139 |
Tredozio | FC | 7 | 1212 | 4351 |
Palazzuolo sul Senio | FI | 10 | 1154 | 5505 |
Portico e San Benedetto | FC | 11 | 756 | 6261 |
Premilcuore | FC | 14 | 799 | 7060 |
Rocca San Casciano | FC | 15 | 1910 | 8970 |
Modigliana | FC | 15 | 4560 | 13530 |
San Godenzo | FI | 16 | 1167 | 14697 |
Casola Valsenio | RA | 18 | 2617 | 17314 |
Dovadola | FC | 20 | 1653 | 18967 |
Brisighella | RA | 20 | 7639 | 26606 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.0 | 2023-09-23 14:02:24 |
44.0657 | 11.658 | 6 | 2024-02-05 15:55:05 |
Sala Sismica INGV-Roma | 121395921 |
Field | Value |
---|---|
Time (UTC) | 2023-09-23 14:02:24 ± 0.09 |
Latitude | 44.0657 ± 0.0027 |
Longitude | 11.6580 ± 0.0025 |
Depth (km) | 6 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 121395921 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 261 |
Semi-minor axis of confidence ellipse (meter) | 207 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 211 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 260.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 123 |
Number of associated phases, regardless of their use for origin computation | 27 |
Number of defining phases | 10 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.09 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.25091 |
Number of stations at which the event was observed | 21 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.1 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 121395921 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-09-23 14:15:44 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.RUFI.EHZ. | 2023-09-23T14:02:34.26 | 0.6 | undecidable | manual | S | 205 | 27.8499 | 103 | 0.07 | 47 |
IV.VISG.HHZ. | 2023-09-23T14:02:32.54 | 0.3 | undecidable | manual | S | 308 | 22.4553 | 106 | 0.17 | 70 |
IV.SFI.EHZ. | 2023-09-23T14:02:32.77 | 0.3 | undecidable | manual | S | 140 | 23.3544 | 105 | 0.1 | 71 |
IV.SEI.HHZ. | 2023-09-23T14:02:32.82 | 0.1 | undecidable | manual | S | 267 | 23.8539 | 105 | -0.03 | 97 |
IV.RUFI.EHZ. | 2023-09-23T14:02:29.89 | 0.1 | undecidable | manual | P | 205 | 27.8499 | 103 | -0.1 | 95 |
IV.SFI.EHZ. | 2023-09-23T14:02:29.12 | 0.1 | undecidable | manual | P | 140 | 23.3544 | 105 | 0.01 | 97 |
IV.SEI.HHZ. | 2023-09-23T14:02:29.22 | 0.3 | undecidable | manual | P | 267 | 23.8539 | 105 | 0 | 73 |
IV.VISG.HHZ. | 2023-09-23T14:02:28.86 | 0.1 | undecidable | manual | P | 308 | 22.4553 | 106 | -0.08 | 96 |
IV.LMD.HHZ. | 2023-09-23T14:02:26.80 | 1.0 | undecidable | manual | S | 71 | 4.1958 | 147 | -0.1 | 25 |
IV.LMD.HHZ. | 2023-09-23T14:02:25.76 | 0.1 | undecidable | manual | P | 71 | 4.1958 | 147 | -0.03 | 100 |
7C.SPAOL.HNZ. | 2023-09-23T14:02:25.69 | 3.0 | undecidable | manual | Sg | 4.2 | 0 | |||
IV.MBFT.HHZ. | 2023-09-23T14:02:10.76 | 3.0 | undecidable | manual | Sg | -3.26 | 0 | |||
IV.SBPO.HNZ. | 2023-09-23T14:02:10.78 | 3.0 | negative | manual | Pg | 11.62 | 0 | |||
IV.ATVO.HHZ. | 2023-09-23T14:02:01.68 | 3.0 | undecidable | manual | Sn | -6.73 | 0 | |||
GU.GSCL.HHZ. | 2023-09-23T14:01:54.75 | 3.0 | positive | manual | Pg | 1.62 | 0 | |||
OT.OT14.EHZ. | 2023-09-23T14:01:39.01 | 3.0 | undecidable | manual | Sg | 0.06 | 0 | |||
IV.RIBO.EHZ.01 | 2023-09-23T14:01:35.87 | 3.0 | negative | manual | Pg | -0.21 | 0 | |||
IV.SERS.HHZ. | 2023-09-23T14:01:33.44 | 3.0 | undecidable | manual | Pg | 4.23 | 0 | |||
IV.MUCR.HHZ. | 2023-09-23T14:01:31.48 | 3.0 | undecidable | manual | Pg | -0.81 | 0 | |||
IV.MOCO.HHZ. | 2023-09-23T14:01:17.73 | 3.0 | undecidable | manual | S | -0.38 | 0 | |||
IV.PTRJ.HHZ. | 2023-09-23T14:01:08.19 | 3.0 | undecidable | manual | S | 1.07 | 0 | |||
IV.MRB1.HHZ. | 2023-09-23T14:01:08.94 | 3.0 | undecidable | manual | S | -1.05 | 0 | |||
IV.LRP.EHZ. | 2023-09-23T14:00:58.80 | 3.0 | undecidable | manual | P | -5.53 | 0 | |||
IV.SNAL.HHZ. | 2023-09-23T14:00:58.83 | 3.0 | undecidable | manual | P | -2.79 | 0 | |||
IV.MRB1.HHZ. | 2023-09-23T14:00:54.23 | 3.0 | negative | manual | P | -4.94 | 0 | |||
IV.CSFT.HHZ. | 2023-09-23T14:00:44.31 | 3.0 | positive | manual | P | -2.43 | 0 | |||
IV.CPOZ.HHZ. | 2023-09-23T14:00:44.17 | 3.0 | negative | manual | P | -2.95 | 0 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SEI.HHE. | ML:0.9 | 0.00005085 | 1.1 | AML | other | m | 2023-09-23T14:02:33.67 |
IV.SEI.HHN. | ML:1.1 | 0.0000798 | 0.44 | AML | other | m | 2023-09-23T14:02:34.37 |