A magnitude ML 0.5 earthquake occured in region: 3 km E Marradi (FI), on
and geographic coordinates (lat, lon) 44.0880, 11.6510 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 | 8 | 1212 | 4351 |
Palazzuolo sul Senio | FI | 9 | 1154 | 5505 |
Portico e San Benedetto | FC | 13 | 756 | 6261 |
Modigliana | FC | 14 | 4560 | 10821 |
Casola Valsenio | RA | 15 | 2617 | 13438 |
Rocca San Casciano | FC | 16 | 1910 | 15348 |
Premilcuore | FC | 16 | 799 | 16147 |
Brisighella | RA | 18 | 7639 | 23786 |
San Godenzo | FI | 18 | 1167 | 24953 |
Castel del Rio | BO | 18 | 1246 | 26199 |
Dovadola | FC | 19 | 1653 | 27852 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.5 | 2023-09-19 03:25:41 |
44.0883 | 11.6512 | 7 | 2023-09-19 03:40:59 |
Sala Sismica INGV-Roma | 121215411 |
Field | Value |
---|---|
Time (UTC) | 2023-09-19 03:25:41 ± 0.15 |
Latitude | 44.0883 ± 0.0045 |
Longitude | 11.6512 ± 0.0063 |
Depth (km) | 7 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 121215411 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 460 |
Semi-minor axis of confidence ellipse (meter) | 116 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 303 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 460.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 102 |
Number of associated phases, regardless of their use for origin computation | 22 |
Number of defining phases | 18 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.24 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.26980 |
Number of stations at which the event was observed | 13 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 0.5 |
Uncertainty | 0.3 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 121215411 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-09-19 03:40:59 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.NARO.HHZ. | 2023-09-19T03:26:11.46 | 3.0 | undecidable | manual | S | 0.14 | 0 | |||
IV.BRSN.EHN. | 2023-09-19T03:25:52.60 | 3.0 | undecidable | manual | S | -0.4 | 0 | |||
IV.RUFI.EHZ. | 2023-09-19T03:25:52.24 | 0.3 | undecidable | manual | S | 202 | 29.9478 | 102 | -0.06 | 73 |
IV.SFI.HNZ. | 2023-09-19T03:25:51.04 | 0.6 | undecidable | manual | S | 142 | 25.6521 | 104 | 0.2 | 48 |
IV.FNVD.HHN. | 2023-09-19T03:25:51.93 | 3.0 | undecidable | manual | P | 1.84 | 0 | |||
IV.SEI.HHZ. | 2023-09-19T03:25:50.47 | 0.3 | undecidable | manual | S | 261 | 23.6541 | 106 | 0.31 | 70 |
IV.MTRZ.HHZ. | 2023-09-19T03:25:50.85 | 3.0 | undecidable | manual | S | -0.85 | 0 | |||
IV.RINC.EHZ. | 2023-09-19T03:25:50.01 | 0.3 | undecidable | manual | S | 189 | 22.6551 | 106 | 0.17 | 72 |
IV.VISG.HHZ. | 2023-09-19T03:25:49.43 | 0.6 | undecidable | manual | S | 303 | 20.5683 | 108 | 0.29 | 47 |
IV.VMGN.HHZ. | 2023-09-19T03:25:48.76 | 0.3 | undecidable | manual | S | 213 | 17.5713 | 111 | 0.6 | 66 |
IV.RUFI.EHZ. | 2023-09-19T03:25:47.42 | 0.3 | undecidable | manual | P | 202 | 29.9478 | 102 | -0.38 | 69 |
IT.MOG.HNZ. | 2023-09-19T03:25:47.19 | 0.6 | undecidable | manual | S | 45 | 12.9759 | 117 | 0.5 | 46 |
IV.SEI.HHZ. | 2023-09-19T03:25:46.32 | 0.1 | negative | manual | P | 261 | 23.6541 | 106 | -0.24 | 95 |
IV.RINC.EHZ. | 2023-09-19T03:25:46.37 | 0.1 | undecidable | manual | P | 189 | 22.6551 | 106 | 0 | 100 |
IV.SFI.HNZ. | 2023-09-19T03:25:46.81 | 0.1 | undecidable | manual | P | 142 | 25.6521 | 104 | -0.14 | 97 |
IV.VMGN.HHZ. | 2023-09-19T03:25:45.49 | 0.6 | positive | manual | P | 213 | 17.5713 | 111 | 0.08 | 50 |
IV.VISG.HHZ. | 2023-09-19T03:25:45.78 | 0.1 | undecidable | manual | P | 303 | 20.5683 | 108 | -0.19 | 97 |
IT.MOG.HNZ. | 2023-09-19T03:25:44.67 | 0.3 | undecidable | manual | P | 45 | 12.9759 | 117 | 0.12 | 75 |
IV.LMD.HHZ. | 2023-09-19T03:25:44.29 | 0.6 | undecidable | manual | S | 105 | 4.5954 | 145 | -0.15 | 50 |
IT.MRR.HGZ. | 2023-09-19T03:25:44.12 | 0.6 | undecidable | manual | S | 235 | 4.6953 | 145 | -0.32 | 48 |
IT.MRR.HGZ. | 2023-09-19T03:25:43.05 | 0.1 | undecidable | manual | P | 235 | 4.6953 | 145 | -0.21 | 99 |
IV.LMD.HHZ. | 2023-09-19T03:25:43.12 | 1.0 | undecidable | manual | P | 105 | 4.5954 | 145 | -0.14 | 25 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.LMD.HHE. | ML:0.0 | 0.00010260553 | 0.2592 | AML | other | m | 2023-09-19T03:25:44.34 |
IV.LMD.HHN. | ML:0.0 | 0.00017551 | 0.1008 | AML | other | m | 2023-09-19T03:25:44.35 |
IV.VMGN.HHE. | ML:0.4 | 0.000024422760000000003 | 0.4608 | AML | other | m | 2023-09-19T03:25:48.97 |
IV.VMGN.HHN. | ML:0.4 | 0.000024306764999999997 | 0.12 | AML | other | m | 2023-09-19T03:25:49.00 |
IV.VISG.HHE. | ML:0.1 | 0.000010929439999999998 | 0.2592 | AML | other | m | 2023-09-19T03:25:52.84 |
IV.VISG.HHN. | ML:0.3 | 0.000014334592999999999 | 0.32 | AML | other | m | 2023-09-19T03:25:49.56 |
IV.SEI.HHE. | ML:0.8 | 0.000038537175 | 0.3808 | AML | other | m | 2023-09-19T03:25:50.68 |
IV.SEI.HHN. | ML:1.1 | 0.000091669905 | 0.2192 | AML | other | m | 2023-09-19T03:25:50.44 |
IV.RINC.EHE. | ML:0.6 | 0.000028339545000000002 | 0.4208 | AML | other | m | 2023-09-19T03:25:51.73 |
IV.RINC.EHN. | ML:0.7 | 0.000036916715 | 1.4 | AML | other | m | 2023-09-19T03:25:58.94 |
IV.RUFI.EHE. | ML:0.3 | 0.000009535295 | 0.6592 | AML | other | m | 2023-09-19T03:25:54.55 |
IV.RUFI.EHN. | ML:0.7 | 0.000027203555 | 2.08 | AML | other | m | 2023-09-19T03:26:02.76 |