A magnitude ML 0.3 earthquake occured in region: 5 km E Marradi (FI), on
and geographic coordinates (lat, lon) 44.0800, 11.6710 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 | 5 | 3139 | 3139 |
Tredozio | FC | 6 | 1212 | 4351 |
Palazzuolo sul Senio | FI | 11 | 1154 | 5505 |
Portico e San Benedetto | FC | 11 | 756 | 6261 |
Modigliana | FC | 13 | 4560 | 10821 |
Rocca San Casciano | FC | 14 | 1910 | 12731 |
Premilcuore | FC | 14 | 799 | 13530 |
Casola Valsenio | RA | 17 | 2617 | 16147 |
San Godenzo | FI | 18 | 1167 | 17314 |
Brisighella | RA | 18 | 7639 | 24953 |
Dovadola | FC | 18 | 1653 | 26606 |
Castel del Rio | BO | 20 | 1246 | 27852 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.3 | 2023-09-26 16:44:03 |
44.0802 | 11.6712 | 6 | 2023-09-26 17:00:26 |
Sala Sismica INGV-Roma | 121492981 |
Field | Value |
---|---|
Time (UTC) | 2023-09-26 16:44:03 ± 0.14 |
Latitude | 44.0802 ± 0.0045 |
Longitude | 11.6712 ± 0.0038 |
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 | 121492981 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 408 |
Semi-minor axis of confidence ellipse (meter) | 283 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 1 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 410.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 204 |
Number of associated phases, regardless of their use for origin computation | 15 |
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) | 0.21584 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 0.3 |
Uncertainty | 0.1 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 121492981 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-09-26 17:00:26 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CIMA.HNZ. | 2023-09-26T16:44:24.52 | 3.0 | positive | manual | Pn | 2.11 | 0 | |||
IV.CPGN.EHZ. | 2023-09-26T16:44:22.83 | 3.0 | undecidable | manual | Sn | -0.23 | 0 | |||
IV.PIEI.HHZ. | 2023-09-26T16:44:21.99 | 3.0 | undecidable | manual | Pg | 0 | ||||
IV.SFI.EHZ. | 2023-09-26T16:44:12.28 | 0.6 | undecidable | manual | S | 144 | 23.9538 | 103 | 0.13 | 47 |
IV.RINC.EHE. | 2023-09-26T16:44:11.34 | 0.6 | undecidable | manual | S | 193 | 22.0668 | 104 | -0.17 | 47 |
IV.VMGN.HHZ. | 2023-09-26T16:44:10.21 | 0.6 | undecidable | manual | S | 218 | 17.7711 | 108 | 0.14 | 48 |
IV.BDI.HHZ. | 2023-09-26T16:44:09.93 | 3.0 | negative | manual | P | -0.34 | 0 | |||
OX.MARN.HNZ. | 2023-09-26T16:44:08.77 | 3.0 | undecidable | manual | P | -0.02 | 0 | |||
IV.RINC.EHE. | 2023-09-26T16:44:08.09 | 0.1 | undecidable | manual | P | 193 | 22.0668 | 104 | -0.08 | 96 |
IV.SFI.EHZ. | 2023-09-26T16:44:08.46 | 1.0 | positive | manual | P | 144 | 23.9538 | 103 | -0.07 | 24 |
IV.VMGN.HHZ. | 2023-09-26T16:44:07.44 | 0.6 | positive | manual | P | 218 | 17.7711 | 108 | 0.11 | 48 |
IT.MRR.HGE. | 2023-09-26T16:44:06.31 | 0.6 | undecidable | manual | S | 252 | 5.6943 | 135 | -0.07 | 50 |
IV.LMD.HHZ. | 2023-09-26T16:44:05.84 | 0.6 | undecidable | manual | S | 96 | 2.8971 | 153 | 0.04 | 50 |
IT.MRR.HGE. | 2023-09-26T16:44:05.25 | 0.1 | undecidable | manual | P | 252 | 5.6943 | 135 | 0.05 | 100 |
IV.LMD.HHZ. | 2023-09-26T16:44:04.82 | 0.1 | undecidable | manual | P | 96 | 2.8971 | 153 | -0.05 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.LMD.HHE. | ML:0.0 | 0.00019755809999999997 | 0.1408 | AML | other | m | 2023-09-26T16:44:05.91 |
IV.SFI.EHE. | ML:0.2 | 0.000008274794500000002 | 0.2432 | AML | other | m | 2023-09-26T16:44:12.33 |
IV.SFI.EHN. | ML:0.4 | 0.000012579307499999999 | 0.0768 | AML | other | m | 2023-09-26T16:44:12.89 |