A magnitude ML 1.2 earthquake occured in region: 5 km E Marradi (FI), on
and geographic coordinates (lat, lon) 44.0570, 11.6640 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 | 5 | 3139 | 3139 |
Tredozio | FC | 7 | 1212 | 4351 |
Portico e San Benedetto | FC | 10 | 756 | 5107 |
Palazzuolo sul Senio | FI | 11 | 1154 | 6261 |
Premilcuore | FC | 13 | 799 | 7060 |
Rocca San Casciano | FC | 14 | 1910 | 8970 |
San Godenzo | FI | 15 | 1167 | 10137 |
Modigliana | FC | 15 | 4560 | 14697 |
Casola Valsenio | RA | 19 | 2617 | 17314 |
Dovadola | FC | 19 | 1653 | 18967 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.2 | 2023-09-18 03:31:30 |
44.0568 | 11.6642 | 8 | 2023-09-18 03:50:24 |
Sala Sismica INGV-Roma | 121152771 |
Field | Value |
---|---|
Time (UTC) | 2023-09-18 03:31:30 ± 0.13 |
Latitude | 44.0568 ± 0.0063 |
Longitude | 11.6642 ± 0.0088 |
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 | 121152771 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 641 |
Semi-minor axis of confidence ellipse (meter) | 530 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 12 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 640.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 124 |
Number of associated phases, regardless of their use for origin computation | 20 |
Number of defining phases | 20 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.37 |
Epicentral distance of station closest to the epicenter (degree) | 0.13939 |
Epicentral distance of station farthest from the epicenter (degree) | 0.58096 |
Number of stations at which the event was observed | 12 |
Number of stations from which data was used for origin computation | 12 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.3 |
Num. used stations | 16 |
Type of magnitude | ML |
Reference to an origin | 121152771 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-09-18 03:50:24 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.PARC.HHZ. | 2023-09-18T03:31:51.96 | 0.3 | undecidable | manual | S | 134 | 64.491 | 50 | 0.6 | 60 |
IV.CRE.HHZ. | 2023-09-18T03:31:48.41 | 0.3 | undecidable | manual | S | 155 | 53.8017 | 50 | -0.08 | 70 |
IV.MPPT.EHZ. | 2023-09-18T03:31:46.73 | 0.1 | undecidable | manual | S | 257 | 47.1195 | 50 | 0.01 | 95 |
IV.PARC.HHZ. | 2023-09-18T03:31:43.05 | 0.3 | undecidable | manual | P | 134 | 64.491 | 50 | 0.33 | 65 |
IV.RUFI.EHZ. | 2023-09-18T03:31:40.96 | 0.3 | undecidable | manual | S | 207 | 27.2505 | 106 | 0.22 | 71 |
IV.CRE.HHZ. | 2023-09-18T03:31:40.54 | 0.1 | undecidable | manual | P | 155 | 53.8017 | 50 | -0.53 | 84 |
IV.BOSL.HHZ. | 2023-09-18T03:31:40.88 | 0.3 | undecidable | manual | S | 239 | 27.0507 | 106 | 0.22 | 71 |
IV.SFI.EHZ. | 2023-09-18T03:31:39.10 | 0.3 | undecidable | manual | S | 139 | 22.2555 | 109 | 0 | 75 |
IV.SEI.HHZ. | 2023-09-18T03:31:39.68 | 0.3 | undecidable | manual | S | 269 | 24.3534 | 107 | -0.1 | 73 |
IV.MPPT.EHZ. | 2023-09-18T03:31:39.98 | 0.3 | undecidable | manual | P | 257 | 47.1195 | 50 | -0.06 | 71 |
IV.MTRZ.HNZ. | 2023-09-18T03:31:38.93 | 0.1 | undecidable | manual | P | 326 | 34.1436 | 103 | 0.99 | 72 |
IV.IMOL.EHZ. | 2023-09-18T03:31:38.12 | 0.3 | undecidable | manual | P | 10 | 34.1436 | 103 | 0.19 | 71 |
IV.VMGN.HHZ. | 2023-09-18T03:31:37.38 | 0.1 | undecidable | manual | S | 223 | 15.4734 | 116 | 0.48 | 92 |
IV.RUFI.EHZ. | 2023-09-18T03:31:36.27 | 0.1 | undecidable | manual | P | 207 | 27.2505 | 106 | -0.32 | 93 |
IV.BOSL.HHZ. | 2023-09-18T03:31:36.36 | 0.1 | undecidable | manual | P | 239 | 27.0507 | 106 | -0.18 | 96 |
IV.SEI.HHZ. | 2023-09-18T03:31:35.59 | 0.1 | undecidable | manual | P | 269 | 24.3534 | 107 | -0.44 | 91 |
IV.RINC.EHZ. | 2023-09-18T03:31:35.13 | 0.1 | undecidable | manual | P | 194 | 19.4694 | 111 | 0.03 | 100 |
IV.SFI.EHZ. | 2023-09-18T03:31:35.29 | 0.1 | undecidable | manual | P | 139 | 22.2555 | 109 | -0.35 | 93 |
IV.VISG.HHZ. | 2023-09-18T03:31:35.33 | 0.1 | undecidable | manual | P | 309 | 23.4543 | 108 | -0.53 | 89 |
IV.VMGN.HHZ. | 2023-09-18T03:31:34.47 | 0.3 | undecidable | manual | P | 223 | 15.4734 | 116 | 0.1 | 74 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.VMGN.HHE. | ML:1.1 | 0.00012952004 | 0.0992 | AML | other | m | 2023-09-18T03:31:37.99 |
IV.VMGN.HHN. | ML:1.2 | 0.00016503355 | 0.2384 | AML | other | m | 2023-09-18T03:31:37.89 |
IV.SFI.EHE. | ML:1.6 | 0.00027800000000000004 | 0.18 | AML | other | m | 2023-09-18T03:31:39.16 |
IV.SFI.EHN. | ML:1.5 | 0.00019912979999999999 | 0.1392 | AML | other | m | 2023-09-18T03:31:39.74 |
IV.BOSL.HHN. | ML:1.0 | 0.0000533 | 0.62 | AML | other | m | 2023-09-18T03:31:41.35 |
IV.BOSL.HHE. | ML:1.0 | 0.000052199999999999995 | 1.78 | AML | other | m | 2023-09-18T03:31:42.03 |
IV.CRE.HHN. | ML:2.0 | 0.000222 | 1.74 | AML | other | m | 2023-09-18T03:31:48.95 |
IV.CRE.HHE. | ML:1.4 | 0.00006634999999999999 | 1.82 | AML | other | m | 2023-09-18T03:31:49.92 |
IV.SFI.HNE. | ML:1.6 | 0.00027588440000000003 | 0.1696 | AML | other | m | 2023-09-18T03:31:39.24 |
IV.SFI.HNN. | ML:1.5 | 0.00022465744999999998 | 0.1392 | AML | other | m | 2023-09-18T03:31:39.74 |
IV.RUFI.EHE. | ML:0.9 | 0.000046425800000000005 | 0.32 | AML | other | m | 2023-09-18T03:31:41.47 |
IV.RUFI.EHN. | ML:1.3 | 0.00011908722999999998 | 0.32 | AML | other | m | 2023-09-18T03:31:41.04 |
IV.MPPT.EHE. | ML:0.8 | 0.000019636835 | 0.2992 | AML | other | m | 2023-09-18T03:31:48.82 |
IV.MPPT.EHN. | ML:0.9 | 0.00002298936 | 0.2608 | AML | other | m | 2023-09-18T03:31:48.57 |
IV.PARC.HHE. | ML:1.0 | 0.000018040065 | 0.5392 | AML | other | m | 2023-09-18T03:31:58.84 |
IV.PARC.HHN. | ML:1.0 | 0.000021848855 | 0.68 | AML | other | m | 2023-09-18T03:31:56.27 |