A magnitude ML 1.3 earthquake occured in region: 2 km E Marradi (FI), on
and geographic coordinates (lat, lon) 44.0730, 11.6440 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 | 3 | 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 | 15 | 4560 | 11620 |
Rocca San Casciano | FC | 16 | 1910 | 13530 |
San Godenzo | FI | 16 | 1167 | 14697 |
Casola Valsenio | RA | 17 | 2617 | 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 1.3 | 2023-10-28 02:44:48 |
44.0727 | 11.6442 | 10 | 2023-10-28 02:53:25 |
Sala Sismica INGV-Roma | 122485921 |
Field | Value |
---|---|
Time (UTC) | 2023-10-28 02:44:48 ± 0.11 |
Latitude | 44.0727 ± 0.0045 |
Longitude | 11.6442 ± 0.0063 |
Depth (km) | 10 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 122485921 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 498 |
Semi-minor axis of confidence ellipse (meter) | 439 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 25 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 500.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 136 |
Number of associated phases, regardless of their use for origin computation | 11 |
Number of defining phases | 10 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.18 |
Epicentral distance of station closest to the epicenter (degree) | 0.04587 |
Epicentral distance of station farthest from the epicenter (degree) | 0.29498 |
Number of stations at which the event was observed | 6 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.3 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 122485921 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-10-28 02:53:25 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.RUFI.EHZ. | 2023-10-28T02:44:58.63 | 0.1 | undecidable | manual | S | 202 | 28.1496 | 50 | -0.04 | 99 |
IV.SEI.HHZ. | 2023-10-28T02:44:57.09 | 0.1 | undecidable | manual | S | 265 | 22.8549 | 114 | -0.14 | 98 |
IV.IMOL.EHZ. | 2023-10-28T02:44:56.60 | 3.0 | negative | manual | P | 32.745 | 1.5 | 0 | ||
IV.VISG.HHZ. | 2023-10-28T02:44:56.78 | 0.3 | undecidable | manual | S | 308 | 21.0678 | 116 | 0.1 | 74 |
IV.VMGN.HHZ. | 2023-10-28T02:44:55.22 | 0.1 | undecidable | manual | S | 214 | 15.873 | 123 | 0.14 | 99 |
IV.RUFI.EHZ. | 2023-10-28T02:44:54.35 | 0.6 | positive | manual | P | 202 | 28.1496 | 50 | -0.04 | 49 |
IV.SEI.HHZ. | 2023-10-28T02:44:53.33 | 0.1 | positive | manual | P | 265 | 22.8549 | 114 | -0.22 | 96 |
IV.VISG.HHZ. | 2023-10-28T02:44:53.41 | 0.3 | negative | manual | P | 308 | 21.0678 | 116 | 0.18 | 73 |
IV.VMGN.HHZ. | 2023-10-28T02:44:52.41 | 0.1 | positive | manual | P | 214 | 15.873 | 123 | 0.1 | 100 |
IV.LMD.HHZ. | 2023-10-28T02:44:52.30 | 0.1 | undecidable | manual | S | 84 | 5.0949 | 154 | -0.21 | 99 |
IV.LMD.HHZ. | 2023-10-28T02:44:51.00 | 0.1 | positive | manual | P | 84 | 5.0949 | 154 | 0.17 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.VMGN.HHE. | ML:1.3 | 0.0001735 | 0.4 | AML | other | m | 2023-10-28T02:44:55.34 |
IV.VMGN.HHN. | ML:1.3 | 0.00017999999999999998 | 0.42 | AML | other | m | 2023-10-28T02:44:55.37 |
IV.SEI.HHN. | ML:2.0 | 0.0006005 | 0.22 | AML | other | m | 2023-10-28T02:44:57.21 |
IV.VISG.HHE. | ML:1.1 | 0.00008010000000000001 | 0.7 | AML | other | m | 2023-10-28T02:44:57.51 |
IV.VISG.HHN. | ML:1.1 | 0.00008795 | 0.92 | AML | other | m | 2023-10-28T02:44:59.18 |
IV.SEI.HHE. | ML:1.6 | 0.0002535 | 0.48 | AML | other | m | 2023-10-28T02:44:59.97 |