A magnitude ML 1.0 earthquake occured in region: 2 km SE Marradi (FI), on
and geographic coordinates (lat, lon) 44.0640, 11.6250 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 |
Palazzuolo sul Senio | FI | 8 | 1154 | 4293 |
Tredozio | FC | 10 | 1212 | 5505 |
Portico e San Benedetto | FC | 13 | 756 | 6261 |
San Godenzo | FI | 15 | 1167 | 7428 |
Premilcuore | FC | 16 | 799 | 8227 |
Modigliana | FC | 17 | 4560 | 12787 |
Rocca San Casciano | FC | 17 | 1910 | 14697 |
Casola Valsenio | RA | 18 | 2617 | 17314 |
Vicchio | FI | 19 | 8044 | 25358 |
Castel del Rio | BO | 19 | 1246 | 26604 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.0 | 2023-10-28 04:46:05 |
44.0642 | 11.625 | 6 | 2023-10-28 06:15:28 |
Sala Sismica INGV-Roma | 122497911 |
Field | Value |
---|---|
Time (UTC) | 2023-10-28 04:46:05 ± 0.38 |
Latitude | 44.0642 ± 0.0072 |
Longitude | 11.6250 ± 0.0125 |
Depth (km) | 6 ± 3 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 122497911 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 828 |
Semi-minor axis of confidence ellipse (meter) | 700 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 333 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 830.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 125 |
Number of associated phases, regardless of their use for origin computation | 15 |
Number of defining phases | 14 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.32 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.32466 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.3 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 122497911 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-10-28 06:15:28 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.NARO.HHZ. | 2023-10-28T04:46:19.70 | 3.0 | undecidable | manual | P | -0.48 | 0 | |||
IV.MOCL.EHZ. | 2023-10-28T04:46:17.62 | 0.6 | undecidable | manual | S | 260 | 36.0417 | 100 | -0.49 | 45 |
IV.BOSL.HHZ. | 2023-10-28T04:46:14.34 | 0.6 | undecidable | manual | S | 234 | 24.8529 | 104 | 0.03 | 50 |
IV.RUFI.EHZ. | 2023-10-28T04:46:14.82 | 0.6 | undecidable | manual | S | 200 | 26.751 | 103 | -0.12 | 49 |
IV.VISG.HHZ. | 2023-10-28T04:46:13.00 | 0.6 | undecidable | manual | S | 312 | 20.5683 | 107 | 0.13 | 50 |
IV.MOCL.EHZ. | 2023-10-28T04:46:13.72 | 0.1 | undecidable | manual | P | 260 | 36.0417 | 100 | 0.98 | 73 |
IV.SEI.HHZ. | 2023-10-28T04:46:12.94 | 0.6 | undecidable | manual | S | 267 | 21.2676 | 106 | -0.17 | 49 |
IV.VMGN.HHZ. | 2023-10-28T04:46:11.17 | 0.6 | undecidable | manual | S | 211 | 14.1747 | 114 | 0.36 | 48 |
IV.BOSL.HHZ. | 2023-10-28T04:46:10.39 | 0.1 | undecidable | manual | P | 234 | 24.8529 | 104 | -0.16 | 98 |
IV.RUFI.EHZ. | 2023-10-28T04:46:10.60 | 0.3 | positive | manual | P | 200 | 26.751 | 103 | -0.32 | 71 |
IV.VISG.HHZ. | 2023-10-28T04:46:09.60 | 0.3 | undecidable | manual | P | 312 | 20.5683 | 107 | -0.12 | 75 |
IV.SEI.HHZ. | 2023-10-28T04:46:09.60 | 0.1 | positive | manual | P | 267 | 21.2676 | 106 | -0.26 | 96 |
IV.LMD.HHZ. | 2023-10-28T04:46:08.59 | 0.6 | undecidable | manual | S | 77 | 6.6933 | 133 | -0.01 | 52 |
IV.VMGN.HHZ. | 2023-10-28T04:46:08.67 | 0.1 | positive | manual | P | 211 | 14.1747 | 114 | 0.14 | 100 |
IV.LMD.HHZ. | 2023-10-28T04:46:07.19 | 0.6 | undecidable | manual | P | 77 | 6.6933 | 133 | -0.06 | 51 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.LMD.HHE. | ML:0.0 | 0.0003384188 | 0.16 | AML | other | m | 2023-10-28T04:46:08.72 |
IV.LMD.HHN. | ML:0.0 | 0.00060874815 | 0.1024 | AML | other | m | 2023-10-28T04:46:08.71 |
IV.VMGN.HHE. | ML:0.9 | 0.000088050375 | 0.0992 | AML | other | m | 2023-10-28T04:46:11.59 |
IV.VMGN.HHN. | ML:0.9 | 0.00009149878 | 0.1216 | AML | other | m | 2023-10-28T04:46:11.62 |
IV.VISG.HHE. | ML:0.8 | 0.000045372080000000004 | 0.1408 | AML | other | m | 2023-10-28T04:46:14.13 |
IV.VISG.HHN. | ML:0.8 | 0.000056495005 | 0.1216 | AML | other | m | 2023-10-28T04:46:14.13 |
IV.SEI.HHE. | ML:1.4 | 0.0001887927 | 0.24 | AML | other | m | 2023-10-28T04:46:13.15 |
IV.SEI.HHN. | ML:1.7 | 0.00038233895 | 0.1792 | AML | other | m | 2023-10-28T04:46:13.48 |
IV.BOSL.HHE. | ML:0.6 | 0.00002682102 | 0.1408 | AML | other | m | 2023-10-28T04:46:14.88 |
IV.BOSL.HHN. | ML:0.6 | 0.0000262939125 | 0.16 | AML | other | m | 2023-10-28T04:46:14.92 |
IV.MOCL.EHE. | ML:1.2 | 0.000066747185 | 0.16 | AML | other | m | 2023-10-28T04:46:18.12 |
IV.MOCL.EHN. | ML:1.5 | 0.0001145389 | 0.1408 | AML | other | m | 2023-10-28T04:46:17.97 |