A magnitude ML 1.0 earthquake occured in region: 2 km E Marradi (FI), on
and geographic coordinates (lat, lon) 44.0750, 11.6400 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 | 2 | 3139 | 3139 |
Tredozio | FC | 8 | 1212 | 4351 |
Palazzuolo sul Senio | FI | 9 | 1154 | 5505 |
Portico e San Benedetto | FC | 13 | 756 | 6261 |
Modigliana | FC | 15 | 4560 | 10821 |
Premilcuore | FC | 15 | 799 | 11620 |
Rocca San Casciano | FC | 16 | 1910 | 13530 |
San Godenzo | FI | 17 | 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 1.0 | 2023-10-16 11:07:47 |
44.0747 | 11.6405 | 6 | 2023-10-16 11:19:54 |
Sala Sismica INGV-Roma | 122125391 |
Field | Value |
---|---|
Time (UTC) | 2023-10-16 11:07:47 ± 0.12 |
Latitude | 44.0747 ± 0.0036 |
Longitude | 11.6405 ± 0.0050 |
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 | 122125391 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 430 |
Semi-minor axis of confidence ellipse (meter) | 96 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 340 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 430.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 95 |
Number of associated phases, regardless of their use for origin computation | 16 |
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) | 0.02878 |
Epicentral distance of station farthest from the epicenter (degree) | 0.25451 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.4 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 122125391 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-10-16 11:19:54 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.RUFI.EHZ. | 2023-10-16T11:07:57.97 | 0.6 | undecidable | manual | S | 202 | 28.2495 | 102 | -0.03 | 48 |
IV.SEI.HHZ. | 2023-10-16T11:07:56.18 | 0.6 | undecidable | manual | S | 264 | 22.5552 | 105 | 0.1 | 48 |
IV.SFI.EHZ. | 2023-10-16T11:07:56.97 | 0.6 | undecidable | manual | S | 139 | 25.0527 | 103 | 0.07 | 48 |
IV.VISG.HHE. | 2023-10-16T11:07:55.63 | 0.6 | undecidable | manual | S | 308 | 20.7681 | 106 | 0.17 | 48 |
IV.VMGN.HHZ. | 2023-10-16T11:07:54.55 | 0.6 | undecidable | manual | S | 213 | 15.873 | 111 | 0.7 | 41 |
IV.RUFI.EHZ. | 2023-10-16T11:07:53.48 | 0.6 | negative | manual | P | 202 | 28.2495 | 102 | -0.28 | 46 |
IT.MOG.HNN. | 2023-10-16T11:07:53.85 | 0.6 | undecidable | manual | S | 43 | 14.5743 | 112 | 0.4 | 46 |
IV.SEI.HHZ. | 2023-10-16T11:07:52.47 | 0.1 | negative | manual | P | 264 | 22.5552 | 105 | -0.18 | 95 |
IV.SFI.EHZ. | 2023-10-16T11:07:52.76 | 1.0 | negative | manual | P | 139 | 25.0527 | 103 | -0.37 | 23 |
IV.VISG.HHE. | 2023-10-16T11:07:52.17 | 0.1 | undecidable | manual | P | 308 | 20.7681 | 106 | -0.12 | 96 |
IT.MOG.HNN. | 2023-10-16T11:07:51.21 | 0.1 | undecidable | manual | P | 43 | 14.5743 | 112 | 0.08 | 98 |
IV.VMGN.HHZ. | 2023-10-16T11:07:51.55 | 0.6 | undecidable | manual | P | 213 | 15.873 | 111 | 0.18 | 48 |
IV.LMD.HHZ. | 2023-10-16T11:07:50.61 | 0.6 | undecidable | manual | S | 87 | 5.2947 | 138 | -0.13 | 49 |
IT.MRR.HGE. | 2023-10-16T11:07:50.20 | 0.6 | undecidable | manual | S | 248 | 3.1968 | 152 | -0.12 | 50 |
IV.LMD.HHZ. | 2023-10-16T11:07:49.48 | 0.1 | undecidable | manual | P | 87 | 5.2947 | 138 | -0.09 | 99 |
IT.MRR.HGE. | 2023-10-16T11:07:49.25 | 0.1 | undecidable | manual | P | 248 | 3.1968 | 152 | -0.08 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.VMGN.HHE. | ML:0.6 | 0.000045680585 | 0.16 | AML | other | m | 2023-10-16T11:07:54.80 |
IV.SEI.HHE. | ML:1.2 | 0.00012664223 | 0.224 | AML | other | m | 2023-10-16T11:07:56.60 |
IV.SEI.HHN. | ML:1.7 | 0.0003275 | 0.22 | AML | other | m | 2023-10-16T11:07:56.75 |
IV.VMGN.HHN. | ML:0.7 | 0.00005434153 | 0.3584 | AML | other | m | 2023-10-16T11:07:54.80 |
IV.LMD.HHE. | ML:0.0 | 0.000153532345 | 0.0832 | AML | other | m | 2023-10-16T11:07:50.67 |
IV.LMD.HHN. | ML:0.0 | 0.00037738765000000003 | 0.1216 | AML | other | m | 2023-10-16T11:07:50.67 |
IV.SFI.HNE. | ML:1.5 | 0.00019036114999999997 | 1.0304 | AML | other | m | 2023-10-16T11:07:55.83 |
IV.SFI.HNN. | ML:1.3 | 0.000137046935 | 1.0176 | AML | other | m | 2023-10-16T11:07:56.15 |
IV.SFI.EHE. | ML:1.0 | 0.000062128035 | 1.6768 | AML | other | m | 2023-10-16T11:07:55.07 |
IV.SFI.EHN. | ML:0.8 | 0.000034359154 | 0.1024 | AML | other | m | 2023-10-16T11:07:57.52 |
IV.RUFI.EHE. | ML:0.4 | 0.000016745950000000002 | 0.96 | AML | other | m | 2023-10-16T11:07:54.95 |
IV.RUFI.EHN. | ML:0.9 | 0.000037982505 | 1.4976 | AML | other | m | 2023-10-16T11:08:05.15 |