A magnitude ML 0.4 earthquake occured in region: 2 km E Marradi (FI), on
and geographic coordinates (lat, lon) 44.0730, 11.6360 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 11:29:25 |
44.0733 | 11.6358 | 6 | 2023-09-19 11:41:16 |
Sala Sismica INGV-Roma | 121229571 |
Field | Value |
---|---|
Time (UTC) | 2023-09-19 11:29:25 ± 0.11 |
Latitude | 44.0733 ± 0.0036 |
Longitude | 11.6358 ± 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 | 121229571 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 429 |
Semi-minor axis of confidence ellipse (meter) | 128 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 318 |
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) | 101 |
Number of associated phases, regardless of their use for origin computation | 17 |
Number of defining phases | 17 |
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) | 0.02518 |
Epicentral distance of station farthest from the epicenter (degree) | 0.25181 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 0.4 |
Uncertainty | 0.4 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 121229571 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-09-19 11:41:16 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.BOSL.HHZ. | 2023-09-19T11:29:35.44 | 0.6 | undecidable | manual | S | 233 | 26.1516 | 103 | 0.14 | 47 |
IV.SEI.HHZ. | 2023-09-19T11:29:34.13 | 0.6 | undecidable | manual | S | 265 | 22.1556 | 106 | 0.16 | 47 |
IV.VISG.HHZ. | 2023-09-19T11:29:33.57 | 0.6 | undecidable | manual | S | 309 | 20.5683 | 107 | 0.15 | 48 |
IV.RINC.EHZ. | 2023-09-19T11:29:33.77 | 0.6 | undecidable | manual | S | 186 | 20.868 | 107 | 0.25 | 47 |
IV.VMGN.HHZ. | 2023-09-19T11:29:32.21 | 0.6 | undecidable | manual | S | 212 | 15.5733 | 112 | 0.43 | 45 |
IV.RUFI.EHZ. | 2023-09-19T11:29:31.37 | 0.1 | undecidable | manual | P | 201 | 27.9498 | 103 | -0.34 | 90 |
IV.BOSL.HHZ. | 2023-09-19T11:29:31.26 | 0.3 | undecidable | manual | P | 233 | 26.1516 | 103 | -0.1 | 71 |
IT.MOG.HNE. | 2023-09-19T11:29:31.95 | 0.6 | undecidable | manual | S | 44 | 14.9739 | 113 | 0.34 | 46 |
IV.SEI.HHZ. | 2023-09-19T11:29:30.37 | 0.3 | undecidable | manual | P | 265 | 22.1556 | 106 | -0.22 | 70 |
IV.VISG.HHZ. | 2023-09-19T11:29:30.16 | 0.3 | undecidable | manual | P | 309 | 20.5683 | 107 | -0.11 | 72 |
IV.RINC.EHZ. | 2023-09-19T11:29:30.29 | 0.3 | undecidable | manual | P | 186 | 20.868 | 107 | -0.04 | 73 |
IV.VMGN.HHZ. | 2023-09-19T11:29:29.48 | 0.1 | undecidable | manual | P | 212 | 15.5733 | 112 | 0.16 | 96 |
IT.MOG.HNE. | 2023-09-19T11:29:29.31 | 0.1 | undecidable | manual | P | 44 | 14.9739 | 113 | 0.08 | 97 |
IV.LMD.HHE. | 2023-09-19T11:29:28.73 | 0.6 | undecidable | manual | S | 85 | 5.6943 | 137 | -0.18 | 49 |
IT.MRR.HGE. | 2023-09-19T11:29:28.18 | 0.6 | undecidable | manual | S | 249 | 2.7972 | 156 | -0.16 | 49 |
IT.MRR.HGE. | 2023-09-19T11:29:27.28 | 0.1 | undecidable | manual | P | 249 | 2.7972 | 156 | -0.06 | 100 |
IV.LMD.HHE. | 2023-09-19T11:29:27.63 | 0.3 | undecidable | manual | P | 85 | 5.6943 | 137 | -0.04 | 75 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SEI.HHN. | ML:1.3 | 0.0001365 | 0.24 | AML | other | m | 2023-09-19T11:29:34.50 |
IV.SEI.HHE. | ML:1.1 | 0.0000856 | 1.06 | AML | other | m | 2023-09-19T11:29:34.30 |
IV.VISG.HHE. | ML:0.1 | 0.000012007039 | 0.1408 | AML | other | m | 2023-09-19T11:29:34.92 |
IV.VISG.HHN. | ML:0.4 | 0.00001921283 | 0.0768 | AML | other | m | 2023-09-19T11:29:34.03 |
IV.RINC.EHE. | ML:0.1 | 0.000012086629 | 0.2432 | AML | other | m | 2023-09-19T11:29:34.06 |
IV.RINC.EHN. | ML:0.4 | 0.0000191739015 | 0.7808 | AML | other | m | 2023-09-19T11:29:35.06 |