A magnitude ML 1.3 earthquake occured in region: 3 km E Marradi (FI), on
and geographic coordinates (lat, lon) 44.0770, 11.6530 at 7 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 | 3 | 3139 | 3139 |
Tredozio | FC | 7 | 1212 | 4351 |
Palazzuolo sul Senio | FI | 9 | 1154 | 5505 |
Portico e San Benedetto | FC | 12 | 756 | 6261 |
Modigliana | FC | 14 | 4560 | 10821 |
Premilcuore | FC | 15 | 799 | 11620 |
Rocca San Casciano | FC | 15 | 1910 | 13530 |
Casola Valsenio | RA | 17 | 2617 | 16147 |
San Godenzo | FI | 17 | 1167 | 17314 |
Brisighella | RA | 19 | 7639 | 24953 |
Castel del Rio | BO | 19 | 1246 | 26199 |
Dovadola | FC | 20 | 1653 | 27852 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.3 | 2023-09-19 06:46:47 |
44.0773 | 11.6528 | 7 | 2023-09-19 07:03:53 |
Sala Sismica INGV-Roma | 121223771 |
Field | Value |
---|---|
Time (UTC) | 2023-09-19 06:46:47 ± 0.07 |
Latitude | 44.0773 ± 0.0027 |
Longitude | 11.6528 ± 0.0038 |
Depth (km) | 7 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 121223771 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 276 |
Semi-minor axis of confidence ellipse (meter) | 205 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 222 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 280.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 145 |
Number of associated phases, regardless of their use for origin computation | 21 |
Number of defining phases | 20 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.17 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.50632 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.4 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 121223771 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-09-19 07:03:53 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.GRAM.HHZ. | 2023-09-19T06:47:11.19 | 3.0 | negative | manual | P | 0.68 | 0 | |||
IV.CRE.HHZ. | 2023-09-19T06:47:06.48 | 0.1 | undecidable | manual | S | 155 | 56.1993 | 50 | 0.18 | 89 |
IV.RUFI.EHZ. | 2023-09-19T06:46:58.03 | 0.3 | undecidable | manual | S | 203 | 28.9488 | 103 | -0.18 | 70 |
IV.CRE.HHZ. | 2023-09-19T06:46:58.05 | 0.3 | undecidable | manual | P | 155 | 56.1993 | 50 | -0.47 | 62 |
IV.BOSL.HHZ. | 2023-09-19T06:46:57.76 | 0.3 | undecidable | manual | S | 234 | 27.5502 | 104 | 0.02 | 72 |
IV.SEI.HHZ. | 2023-09-19T06:46:56.47 | 0.1 | undecidable | manual | S | 264 | 23.5542 | 106 | 0.05 | 96 |
IV.SFI.EHZ. | 2023-09-19T06:46:56.92 | 0.1 | undecidable | manual | S | 141 | 24.6531 | 105 | 0.16 | 94 |
IV.RINC.EHZ. | 2023-09-19T06:46:55.66 | 0.1 | undecidable | manual | S | 190 | 21.4674 | 108 | -0.06 | 97 |
IV.VISG.HHZ. | 2023-09-19T06:46:55.83 | 0.1 | undecidable | manual | S | 305 | 21.3675 | 108 | 0.15 | 95 |
IV.VMGN.HHZ. | 2023-09-19T06:46:54.37 | 0.1 | undecidable | manual | S | 215 | 16.6722 | 112 | 0.22 | 94 |
IV.SFI.EHZ. | 2023-09-19T06:46:53.14 | 0.6 | undecidable | manual | P | 141 | 24.6531 | 105 | 0.12 | 47 |
IV.BOSL.HHZ. | 2023-09-19T06:46:53.58 | 0.1 | undecidable | manual | P | 234 | 27.5502 | 104 | 0 | 97 |
IV.RUFI.EHZ. | 2023-09-19T06:46:53.58 | 0.1 | undecidable | manual | P | 203 | 28.9488 | 103 | -0.27 | 91 |
IV.VISG.HHZ. | 2023-09-19T06:46:52.39 | 0.1 | undecidable | manual | P | 305 | 21.3675 | 108 | 0 | 98 |
IV.RINC.EHZ. | 2023-09-19T06:46:52.46 | 0.1 | undecidable | manual | P | 190 | 21.4674 | 108 | 0.05 | 97 |
IV.SEI.HHZ. | 2023-09-19T06:46:52.67 | 0.1 | undecidable | manual | P | 264 | 23.5542 | 106 | -0.15 | 95 |
IV.VMGN.HHZ. | 2023-09-19T06:46:51.70 | 0.1 | undecidable | manual | P | 215 | 16.6722 | 112 | 0.19 | 95 |
IT.MRR.HGE. | 2023-09-19T06:46:50.51 | 0.3 | undecidable | manual | S | 250 | 4.1958 | 148 | -0.17 | 73 |
IV.LMD.HHE. | 2023-09-19T06:46:50.65 | 0.1 | undecidable | manual | S | 90 | 4.2957 | 148 | -0.05 | 100 |
IT.MRR.HGE. | 2023-09-19T06:46:49.48 | 0.3 | undecidable | manual | P | 250 | 4.1958 | 148 | -0.02 | 75 |
IV.LMD.HHE. | 2023-09-19T06:46:49.55 | 0.1 | undecidable | manual | P | 90 | 4.2957 | 148 | 0.03 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.VISG.HHE. | ML:1.0 | 0.00006850000000000001 | 0.74 | AML | other | m | 2023-09-19T06:46:56.42 |
IV.VISG.HHN. | ML:1.0 | 0.0000678 | 0.14 | AML | other | m | 2023-09-19T06:46:56.18 |
IV.SEI.HHE. | ML:1.4 | 0.000153 | 0.22 | AML | other | m | 2023-09-19T06:46:56.60 |
IV.SEI.HHN. | ML:1.8 | 0.000399 | 1.78 | AML | other | m | 2023-09-19T06:46:56.06 |
IV.SFI.EHE. | ML:1.2 | 0.00008965000000000001 | 0.2 | AML | other | m | 2023-09-19T06:46:57.10 |
IV.SFI.EHN. | ML:1.2 | 0.0000932 | 0.2 | AML | other | m | 2023-09-19T06:46:57.58 |
IV.CPGN.HNE. | ML:2.2 | 0.00030520000000000005 | 0.44 | AML | other | m | 2023-09-19T06:46:58.71 |
IV.CPGN.HNN. | ML:2.4 | 0.0005434999999999999 | 1.56 | AML | other | m | 2023-09-19T06:46:59.79 |
IV.LMD.HHE. | ML:0.0 | 0.00035497025000000006 | 0.1216 | AML | other | m | 2023-09-19T06:46:51.06 |
IV.LMD.HHN. | ML:0.0 | 0.0008088704 | 0.0992 | AML | other | m | 2023-09-19T06:46:50.69 |