A magnitude ML 1.5 earthquake occured in region: 2 km E Marradi (FI), on
and geographic coordinates (lat, lon) 44.0760, 11.6380 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 |
Palazzuolo sul Senio | FI | 8 | 1154 | 4293 |
Tredozio | FC | 9 | 1212 | 5505 |
Portico e San Benedetto | FC | 13 | 756 | 6261 |
Modigliana | FC | 15 | 4560 | 10821 |
Premilcuore | FC | 16 | 799 | 11620 |
Rocca San Casciano | FC | 17 | 1910 | 13530 |
Casola Valsenio | RA | 17 | 2617 | 16147 |
San Godenzo | FI | 17 | 1167 | 17314 |
Castel del Rio | BO | 19 | 1246 | 18560 |
Brisighella | RA | 19 | 7639 | 26199 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.5 | 2023-10-28 02:50:24 |
44.0763 | 11.6375 | 10 | 2023-10-28 02:58:54 |
Sala Sismica INGV-Roma | 122486551 |
Field | Value |
---|---|
Time (UTC) | 2023-10-28 02:50:24 ± 0.1 |
Latitude | 44.0763 ± 0.0036 |
Longitude | 11.6375 ± 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 | 122486551 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 458 |
Semi-minor axis of confidence ellipse (meter) | 272 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 45 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 460.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 141 |
Number of associated phases, regardless of their use for origin computation | 17 |
Number of defining phases | 16 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.19 |
Epicentral distance of station closest to the epicenter (degree) | 0.05036 |
Epicentral distance of station farthest from the epicenter (degree) | 0.33545 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | 0.2 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 122486551 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-10-28 02:58:54 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MOCL.EHZ. | 2023-10-28T02:50:37.50 | 0.1 | undecidable | manual | S | 258 | 37.2294 | 50 | 0.27 | 93 |
IV.SFI.EHZ. | 2023-10-28T02:50:34.34 | 0.3 | undecidable | manual | S | 139 | 25.3524 | 50 | 0.29 | 71 |
IV.RUFI.EHZ. | 2023-10-28T02:50:34.54 | 0.3 | undecidable | manual | S | 201 | 28.3494 | 50 | -0.31 | 68 |
IV.RINC.EHZ. | 2023-10-28T02:50:33.05 | 0.1 | undecidable | manual | S | 187 | 21.1677 | 116 | 0.25 | 94 |
IV.SEI.HHZ. | 2023-10-28T02:50:33.04 | 0.1 | undecidable | manual | S | 264 | 22.3554 | 115 | -0.13 | 97 |
IV.IMOL.EHZ. | 2023-10-28T02:50:32.89 | 3.0 | negative | manual | P | 32.5452 | 1.71 | 0 | ||
IV.VISG.HHZ. | 2023-10-28T02:50:32.77 | 0.1 | undecidable | manual | S | 308 | 20.4684 | 117 | 0.2 | 95 |
IV.MOCL.EHZ. | 2023-10-28T02:50:31.89 | 0.6 | positive | manual | P | 258 | 37.2294 | 50 | -0.02 | 48 |
IV.VMGN.HHZ. | 2023-10-28T02:50:31.13 | 0.1 | undecidable | manual | S | 212 | 15.873 | 123 | -0.06 | 100 |
IV.SFI.EHZ. | 2023-10-28T02:50:30.14 | 0.6 | negative | manual | P | 139 | 25.3524 | 50 | 0.07 | 49 |
IV.RUFI.EHZ. | 2023-10-28T02:50:30.37 | 0.3 | positive | manual | P | 201 | 28.3494 | 50 | -0.17 | 71 |
IV.VISG.HHZ. | 2023-10-28T02:50:29.27 | 0.6 | negative | manual | P | 308 | 20.4684 | 117 | 0.05 | 49 |
IV.RINC.EHZ. | 2023-10-28T02:50:29.44 | 0.6 | undecidable | manual | P | 187 | 21.1677 | 116 | 0.09 | 49 |
IV.SEI.HHZ. | 2023-10-28T02:50:29.33 | 0.1 | undecidable | manual | P | 264 | 22.3554 | 115 | -0.23 | 95 |
IV.LMD.HHZ. | 2023-10-28T02:50:28.48 | 0.1 | undecidable | manual | S | 89 | 5.5944 | 151 | -0.19 | 99 |
IV.VMGN.HHZ. | 2023-10-28T02:50:28.42 | 0.1 | positive | manual | P | 212 | 15.873 | 123 | 0 | 100 |
IV.LMD.HHZ. | 2023-10-28T02:50:27.02 | 0.6 | undecidable | manual | P | 89 | 5.5944 | 151 | 0.05 | 50 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.RINC.EHE. | ML:1.4 | 0.00018575 | 0.68 | AML | other | m | 2023-10-28T02:50:34.40 |
IV.LMD.HHN. | ML:1.8 | 0.001028 | 0.22 | AML | other | m | 2023-10-28T02:50:34.58 |
IV.LMD.HHE. | ML:1.7 | 0.0007804999999999999 | 0.24 | AML | other | m | 2023-10-28T02:50:34.69 |
IV.VMGN.HHE. | ML:1.3 | 0.00016749999999999998 | 0.44 | AML | other | m | 2023-10-28T02:50:37.42 |
IV.VMGN.HHN. | ML:1.3 | 0.0001965 | 0.42 | AML | other | m | 2023-10-28T02:50:37.44 |
IV.SEI.HHN. | ML:2.0 | 0.000627 | 0.34 | AML | other | m | 2023-10-28T02:50:39.29 |
IV.RINC.EHN. | ML:1.5 | 0.00020150000000000002 | 0.42 | AML | other | m | 2023-10-28T02:50:39.29 |
IV.SEI.HHE. | ML:1.6 | 0.0002945 | 0.3 | AML | other | m | 2023-10-28T02:50:39.49 |
IV.SFI.EHE. | ML:1.3 | 0.00011185000000000001 | 1.3 | AML | other | m | 2023-10-28T02:50:40.30 |
IV.SFI.EHN. | ML:1.3 | 0.0001215 | 0.16 | AML | other | m | 2023-10-28T02:50:40.35 |