A magnitude ML 0.4 earthquake occured in region: 2 km E Marradi (FI), on
and geographic coordinates (lat, lon) 44.0710, 11.6340 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 | 9 | 1212 | 5505 |
Portico e San Benedetto | FC | 13 | 756 | 6261 |
Premilcuore | FC | 16 | 799 | 7060 |
Modigliana | FC | 16 | 4560 | 11620 |
San Godenzo | FI | 16 | 1167 | 12787 |
Rocca San Casciano | FC | 17 | 1910 | 14697 |
Casola Valsenio | RA | 17 | 2617 | 17314 |
Castel del Rio | BO | 19 | 1246 | 18560 |
Brisighella | RA | 20 | 7639 | 26199 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.4 | 2023-09-19 11:46:58 |
44.0713 | 11.6342 | 6 | 2023-09-19 11:54:50 |
Sala Sismica INGV-Roma | 121229891 |
Field | Value |
---|---|
Time (UTC) | 2023-09-19 11:46:58 ± 0.12 |
Latitude | 44.0713 ± 0.0036 |
Longitude | 11.6342 ± 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 | 121229891 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 448 |
Semi-minor axis of confidence ellipse (meter) | 120 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 334 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 450.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 103 |
Number of associated phases, regardless of their use for origin computation | 17 |
Number of defining phases | 14 |
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) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.23382 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 0.4 |
Uncertainty | 0.3 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 121229891 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-09-19 11:54:50 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.SEI.HHZ. | 2023-09-19T11:47:06.32 | 0.3 | undecidable | manual | S | 265 | 22.0668 | 105 | 0.03 | 72 |
IV.CING.HHZ. | 2023-09-19T11:47:06.15 | 3.0 | undecidable | manual | P | -0.89 | 0 | |||
IV.VISG.HHZ. | 2023-09-19T11:47:05.91 | 0.3 | undecidable | manual | S | 309 | 20.5683 | 106 | 0.12 | 71 |
IV.VMGN.HHZ. | 2023-09-19T11:47:04.48 | 0.6 | undecidable | manual | S | 212 | 15.2736 | 111 | 0.43 | 45 |
IT.MOG.HNE. | 2023-09-19T11:47:04.38 | 0.3 | undecidable | manual | S | 44 | 15.2736 | 111 | 0.34 | 68 |
IV.BOSL.HHZ. | 2023-09-19T11:47:03.72 | 0.6 | undecidable | manual | P | 233 | 25.9518 | 103 | 0.03 | 48 |
IV.ARVD.HHZ. | 2023-09-19T11:47:03.49 | 3.0 | undecidable | manual | P | 0.32 | 0 | |||
IV.VISG.HHZ. | 2023-09-19T11:47:02.51 | 0.1 | undecidable | manual | P | 309 | 20.5683 | 106 | -0.14 | 94 |
IV.CRTC.HHE. | 2023-09-19T11:47:02.61 | 3.0 | negative | manual | P | 0.19 | 0 | |||
IV.SEI.HHZ. | 2023-09-19T11:47:02.69 | 0.1 | undecidable | manual | P | 265 | 22.0668 | 105 | -0.25 | 92 |
IV.RINC.EHZ. | 2023-09-19T11:47:02.55 | 0.1 | undecidable | manual | P | 186 | 20.6682 | 106 | -0.11 | 95 |
IT.MOG.HNE. | 2023-09-19T11:47:01.69 | 0.1 | undecidable | manual | P | 44 | 15.2736 | 111 | 0.05 | 97 |
IV.LMD.HHN. | 2023-09-19T11:47:01.04 | 0.6 | undecidable | manual | S | 83 | 5.8941 | 135 | -0.21 | 48 |
IV.VMGN.HHZ. | 2023-09-19T11:47:01.82 | 0.1 | undecidable | manual | P | 212 | 15.2736 | 111 | 0.17 | 95 |
IT.MRR.HGE. | 2023-09-19T11:47:00.56 | 0.6 | undecidable | manual | S | 252 | 2.5974 | 156 | -0.04 | 50 |
IV.LMD.HHN. | 2023-09-19T11:46:59.86 | 0.1 | undecidable | manual | P | 83 | 5.8941 | 135 | -0.17 | 96 |
IT.MRR.HGE. | 2023-09-19T11:46:59.66 | 0.1 | undecidable | manual | P | 252 | 2.5974 | 156 | 0.01 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.LMD.HHN. | ML:1.1 | 0.0002215 | 0.12 | AML | other | m | 2023-09-19T11:47:01.22 |
IV.LMD.HHE. | ML:0.9 | 0.00010982655 | 0.1408 | AML | other | m | 2023-09-19T11:47:01.61 |
IV.VISG.HHE. | ML:0.1 | 0.000011005003999999998 | 0.1216 | AML | other | m | 2023-09-19T11:47:06.07 |
IV.VISG.HHN. | ML:0.4 | 0.000020967470000000003 | 0.1216 | AML | other | m | 2023-09-19T11:47:06.38 |
IV.RINC.EHE. | ML:0.4 | 0.00002055904 | 1.1584 | AML | other | m | 2023-09-19T11:47:26.98 |
IV.RINC.EHN. | ML:0.8 | 0.000052488094999999996 | 2.304 | AML | other | m | 2023-09-19T11:47:22.20 |