A magnitude ML 1.3 earthquake occured in region: 5 km NE Marradi (FI), on
and geographic coordinates (lat, lon) 44.1050, 11.6570 at 22 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 | 8 | 1212 | 4351 |
Palazzuolo sul Senio | FI | 9 | 1154 | 5505 |
Modigliana | FC | 12 | 4560 | 10065 |
Portico e San Benedetto | FC | 13 | 756 | 10821 |
Casola Valsenio | RA | 14 | 2617 | 13438 |
Rocca San Casciano | FC | 16 | 1910 | 15348 |
Brisighella | RA | 16 | 7639 | 22987 |
Premilcuore | FC | 17 | 799 | 23786 |
Castel del Rio | BO | 17 | 1246 | 25032 |
Dovadola | FC | 19 | 1653 | 26685 |
Fontanelice | BO | 19 | 1943 | 28628 |
Riolo Terme | RA | 20 | 5720 | 34348 |
Borgo Tossignano | BO | 20 | 3288 | 37636 |
San Godenzo | FI | 20 | 1167 | 38803 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.3 | 2023-10-28 03:47:39 |
44.1047 | 11.6573 | 22 | 2023-10-28 03:55:49 |
Sala Sismica INGV-Roma | 122490811 |
Field | Value |
---|---|
Time (UTC) | 2023-10-28 03:47:39 ± 0.54 |
Latitude | 44.1047 ± 0.0198 |
Longitude | 11.6573 ± 0.0213 |
Depth (km) | 22 ± 3 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 122490811 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 2218 |
Semi-minor axis of confidence ellipse (meter) | 1232 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 146 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 2220.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 230 |
Number of associated phases, regardless of their use for origin computation | 20 |
Number of defining phases | 9 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.39 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.68438 |
Number of stations at which the event was observed | 14 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.0 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 122490811 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-10-28 03:55:49 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.SATI.HNZ. | 2023-10-28T03:49:04.45 | 3.0 | undecidable | manual | Sg | 10.55 | 0 | |||
IV.PTRJ.HHZ. | 2023-10-28T03:48:48.16 | 3.0 | undecidable | manual | Sg | 11.7 | 0 | |||
IV.VARE.HHZ. | 2023-10-28T03:48:45.50 | 3.0 | undecidable | manual | Sg | 3.51 | 0 | |||
IV.MRB1.HHZ. | 2023-10-28T03:48:43.18 | 3.0 | undecidable | manual | Sn | -2.9 | 0 | |||
GE.MATE.HHZ. | 2023-10-28T03:48:33.81 | 3.0 | undecidable | manual | Pg | 9.68 | 0 | |||
IV.VVLD.HHZ. | 2023-10-28T03:48:26.56 | 3.0 | undecidable | manual | Sg | 9.6 | 0 | |||
GU.SATI.HNZ. | 2023-10-28T03:48:11.30 | 3.0 | positive | manual | Pg | 0.02 | 0 | |||
IV.PZUN.HNZ. | 2023-10-28T03:48:11.63 | 3.0 | negative | manual | Pn | -5.87 | 0 | |||
IV.CSNT.HHZ. | 2023-10-28T03:48:00.92 | 3.0 | undecidable | manual | S | 75.9684 | -1.64 | 0 | ||
IV.CSNT.HHZ. | 2023-10-28T03:47:54.97 | 3.0 | undecidable | manual | P | 75.9684 | 2.13 | 0 | ||
IV.RUFI.EHZ. | 2023-10-28T03:47:50.85 | 0.1 | undecidable | manual | S | 202 | 31.8459 | 117 | -0.42 | 89 |
IV.SEI.HHZ. | 2023-10-28T03:47:49.31 | 0.1 | undecidable | manual | S | 257 | 24.4533 | 125 | -0.27 | 95 |
IV.VMGN.HHZ. | 2023-10-28T03:47:48.86 | 0.1 | undecidable | manual | S | 211 | 19.3695 | 133 | 0.34 | 94 |
IV.LMD.HHZ. | 2023-10-28T03:47:46.65 | 0.1 | undecidable | manual | S | 127 | 4.995 | 166 | 0.15 | 99 |
IV.RUFI.EHZ. | 2023-10-28T03:47:46.65 | 0.1 | undecidable | manual | P | 202 | 31.8459 | 117 | 0.33 | 91 |
IV.SEI.HHZ. | 2023-10-28T03:47:45.56 | 0.1 | undecidable | manual | P | 257 | 24.4533 | 125 | 0.21 | 94 |
IV.VMGN.HHZ. | 2023-10-28T03:47:44.73 | 0.1 | undecidable | manual | P | 211 | 19.3695 | 133 | -0.01 | 100 |
IV.LMD.HHZ. | 2023-10-28T03:47:43.19 | 0.1 | undecidable | manual | P | 127 | 4.995 | 166 | -0.38 | 96 |
IV.FNVD.HHZ. | 2023-10-28T03:47:38.21 | 0.6 | undecidable | manual | Sg | -8.19 | 1.47 | |||
IV.ARVD.HHZ. | 2023-10-28T03:47:27.44 | 3.0 | negative | manual | P | -4.96 | 0 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.VMGN.HHE. | ML:1.3 | 0.0000993 | 0.42 | AML | other | m | 2023-10-28T03:47:49.54 |
IV.VMGN.HHN. | ML:1.2 | 0.00009725 | 0.42 | AML | other | m | 2023-10-28T03:47:49.57 |