A magnitude ML 0.8 earthquake occured in region: 2 km NE Marradi (FI), on
and geographic coordinates (lat, lon) 44.0880, 11.6340 at 8 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 | 7 | 1154 | 4293 |
Tredozio | FC | 9 | 1212 | 5505 |
Portico e San Benedetto | FC | 14 | 756 | 6261 |
Modigliana | FC | 15 | 4560 | 10821 |
Casola Valsenio | RA | 15 | 2617 | 13438 |
Premilcuore | FC | 17 | 799 | 14237 |
Rocca San Casciano | FC | 17 | 1910 | 16147 |
Castel del Rio | BO | 17 | 1246 | 17393 |
San Godenzo | FI | 18 | 1167 | 18560 |
Brisighella | RA | 18 | 7639 | 26199 |
Fontanelice | BO | 20 | 1943 | 28142 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.8 | 2023-09-19 13:19:41 |
44.0882 | 11.6338 | 8 | 2023-09-19 13:26:12 |
Sala Sismica INGV-Roma | 121232171 |
Field | Value |
---|---|
Time (UTC) | 2023-09-19 13:19:41 ± 0.09 |
Latitude | 44.0882 ± 0.0036 |
Longitude | 11.6338 ± 0.0050 |
Depth (km) | 8 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 121232171 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 448 |
Semi-minor axis of confidence ellipse (meter) | 123 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 311 |
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) | 104 |
Number of associated phases, regardless of their use for origin computation | 19 |
Number of defining phases | 19 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.23 |
Epicentral distance of station closest to the epicenter (degree) | 0.03238 |
Epicentral distance of station farthest from the epicenter (degree) | 0.52161 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 11 |
Field | Value |
---|---|
Value | 0.8 |
Uncertainty | 0.3 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 121232171 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-09-19 13:26:12 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.RUFI.EHZ. | 2023-09-19T13:19:52.03 | 0.3 | undecidable | manual | S | 200 | 29.4483 | 105 | -0.07 | 73 |
IV.CRE.HHZ. | 2023-09-19T13:19:52.10 | 0.1 | undecidable | manual | P | 154 | 57.8976 | 50 | -0.15 | 91 |
IV.RINC.EHZ. | 2023-09-19T13:19:49.92 | 0.3 | undecidable | manual | S | 185 | 22.4553 | 109 | 0.14 | 73 |
IV.SEI.HHZ. | 2023-09-19T13:19:49.65 | 0.3 | undecidable | manual | S | 260 | 22.2555 | 110 | -0.06 | 74 |
IV.MOCL.EHZ. | 2023-09-19T13:19:48.86 | 0.1 | undecidable | manual | P | 256 | 37.2294 | 50 | -0.21 | 93 |
IV.VMGN.HHZ. | 2023-09-19T13:19:48.57 | 0.3 | undecidable | manual | S | 209 | 16.872 | 115 | 0.59 | 66 |
IV.VISG.HHZ. | 2023-09-19T13:19:48.99 | 0.3 | undecidable | manual | S | 305 | 19.4694 | 112 | 0.19 | 72 |
IT.MOG.HNZ. | 2023-09-19T13:19:47.39 | 0.3 | undecidable | manual | S | 49 | 13.9749 | 120 | 0.3 | 71 |
IV.RUFI.EHZ. | 2023-09-19T13:19:47.44 | 0.1 | undecidable | manual | P | 200 | 29.4483 | 105 | -0.18 | 95 |
IV.BOSL.HHE. | 2023-09-19T13:19:47.29 | 0.1 | undecidable | manual | P | 230 | 27.0507 | 106 | 0.13 | 96 |
IV.SEI.HHZ. | 2023-09-19T13:19:46.19 | 0.1 | undecidable | manual | P | 260 | 22.2555 | 110 | -0.05 | 99 |
IV.RINC.EHZ. | 2023-09-19T13:19:46.38 | 0.1 | undecidable | manual | P | 185 | 22.4553 | 109 | 0.1 | 98 |
IV.VISG.HHZ. | 2023-09-19T13:19:45.62 | 0.1 | undecidable | manual | P | 305 | 19.4694 | 112 | -0.09 | 98 |
IV.VMGN.HHZ. | 2023-09-19T13:19:45.49 | 0.1 | undecidable | manual | P | 209 | 16.872 | 115 | 0.24 | 96 |
IV.LMD.HHZ. | 2023-09-19T13:19:44.62 | 0.6 | undecidable | manual | S | 101 | 5.994 | 143 | -0.34 | 48 |
IT.MOG.HNZ. | 2023-09-19T13:19:44.95 | 0.1 | undecidable | manual | P | 49 | 13.9749 | 120 | 0.22 | 97 |
IT.MRR.HGE. | 2023-09-19T13:19:44.10 | 0.3 | undecidable | manual | S | 222 | 3.5964 | 156 | -0.44 | 71 |
IT.MRR.HGE. | 2023-09-19T13:19:43.11 | 0.1 | undecidable | manual | P | 222 | 3.5964 | 156 | -0.15 | 100 |
IV.LMD.HHZ. | 2023-09-19T13:19:43.35 | 0.1 | undecidable | manual | P | 101 | 5.994 | 143 | -0.15 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.LMD.HHN. | ML:0.0 | 0.0003005385 | 0.1024 | AML | other | m | 2023-09-19T13:19:45.77 |
IV.LMD.HHE. | ML:0.0 | 0.00020358605000000003 | 0.0768 | AML | other | m | 2023-09-19T13:19:44.84 |
IV.VMGN.HHE. | ML:0.5 | 0.000030011317999999998 | 0.2432 | AML | other | m | 2023-09-19T13:19:48.93 |
IV.VMGN.HHN. | ML:0.7 | 0.000045098915 | 0.1344 | AML | other | m | 2023-09-19T13:19:48.98 |
IV.VISG.HHN. | ML:0.7 | 0.000041099999999999996 | 0.16 | AML | other | m | 2023-09-19T13:19:49.57 |
IV.VISG.HHE. | ML:0.4 | 0.00002142836 | 0.1408 | AML | other | m | 2023-09-19T13:19:49.63 |
IV.RINC.EHE. | ML:0.9 | 0.000050578120000000004 | 0.1408 | AML | other | m | 2023-09-19T13:19:50.98 |
IV.RINC.EHN. | ML:1.1 | 0.00007756426 | 0.9408 | AML | other | m | 2023-09-19T13:19:53.73 |
IV.RUFI.EHE. | ML:0.5 | 0.000013665299999999998 | 0.3392 | AML | other | m | 2023-09-19T13:19:52.79 |
IV.RUFI.EHN. | ML:0.8 | 0.000031105294999999995 | 0.2624 | AML | other | m | 2023-09-19T13:19:52.45 |
IV.MOCL.EHE. | ML:0.9 | 0.000030275975 | 0.0832 | AML | other | m | 2023-09-19T13:19:55.15 |
IV.MOCL.EHN. | ML:1.0 | 0.00003322804 | 0.096 | AML | other | m | 2023-09-19T13:19:55.44 |
IV.CRE.HHE. | ML:1.1 | 0.00003094513 | 0.1792 | AML | other | m | 2023-09-19T13:20:01.29 |
IV.CRE.HHN. | ML:1.1 | 0.00002892257 | 0.1792 | AML | other | m | 2023-09-19T13:20:01.28 |