A magnitude ML 0.8 earthquake occured in region: 2 km SE Marradi (FI), on
and geographic coordinates (lat, lon) 44.0610, 11.6260 at 5 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 | 9 | 1154 | 4293 |
Tredozio | FC | 10 | 1212 | 5505 |
Portico e San Benedetto | FC | 13 | 756 | 6261 |
San Godenzo | FI | 15 | 1167 | 7428 |
Premilcuore | FC | 15 | 799 | 8227 |
Modigliana | FC | 17 | 4560 | 12787 |
Rocca San Casciano | FC | 17 | 1910 | 14697 |
Casola Valsenio | RA | 18 | 2617 | 17314 |
Vicchio | FI | 19 | 8044 | 25358 |
Castel del Rio | BO | 20 | 1246 | 26604 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.8 | 2023-10-28 10:41:15 |
44.0613 | 11.6262 | 5 | 2023-10-28 10:49:41 |
Sala Sismica INGV-Roma | 122508471 |
Field | Value |
---|---|
Time (UTC) | 2023-10-28 10:41:15 ± 0.14 |
Latitude | 44.0613 ± 0.0036 |
Longitude | 11.6262 ± 0.0063 |
Depth (km) | 5 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 122508471 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 499 |
Semi-minor axis of confidence ellipse (meter) | 123 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 308 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 500.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 110 |
Number of associated phases, regardless of their use for origin computation | 40 |
Number of defining phases | 17 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.25 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.32466 |
Number of stations at which the event was observed | 31 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 0.8 |
Uncertainty | 0.3 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 122508471 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-10-28 10:49:41 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MOCO.HHZ. | 2023-10-28T10:42:46.78 | 3.0 | undecidable | manual | Sg | 0.17 | 0 | |||
IV.SGRT.HHZ. | 2023-10-28T10:42:46.58 | 3.0 | undecidable | manual | Sg | 2.43 | 0 | |||
OT.OT14.EHZ. | 2023-10-28T10:42:35.22 | 3.0 | undecidable | manual | Sn | -7.92 | 0 | |||
GU.CANO.HHZ. | 2023-10-28T10:42:34.78 | 3.0 | undecidable | manual | Sn | 5.4 | 0 | |||
MN.VSL.HHZ. | 2023-10-28T10:42:19.85 | 3.0 | negative | manual | Pn | -5.48 | 0 | |||
CH.DIX.HHZ. | 2023-10-28T10:42:15.87 | 3.0 | negative | manual | Pg | 17.559999 | 0 | |||
IV.VENT.EHZ. | 2023-10-28T10:42:11.65 | 3.0 | positive | manual | Pg | 10.81 | 0 | |||
IV.ARRO.EHZ. | 2023-10-28T10:42:08.71 | 3.0 | undecidable | manual | Sg | 2.79 | 0 | |||
GU.TRAV.HHZ. | 2023-10-28T10:42:03.56 | 3.0 | negative | manual | Pg | 10.19 | 0 | |||
RD.PGF.BHZ. | 2023-10-28T10:42:00.82 | 3.0 | undecidable | manual | Pg | 7.96 | 0 | |||
IV.PAOL.HHZ. | 2023-10-28T10:41:56.12 | 3.0 | positive | manual | Pn | -4.41 | 0 | |||
IV.CERT.HHZ. | 2023-10-28T10:41:51.85 | 3.0 | positive | manual | Pg | 7.24 | 0 | |||
GU.RNCA.HHZ. | 2023-10-28T10:41:49.49 | 3.0 | positive | manual | Pg | 8.07 | 0 | |||
IV.VVLD.HHZ. | 2023-10-28T10:41:43.15 | 3.0 | undecidable | manual | Pn | -3.56 | 0 | |||
CH.MUGIO.HHZ. | 2023-10-28T10:41:42.08 | 3.0 | undecidable | manual | Pn | -0.74 | 0 | |||
IV.CTI.HHZ. | 2023-10-28T10:41:40.64 | 3.0 | undecidable | manual | S | -4.45 | 0 | |||
IV.RIBO.EHZ.01 | 2023-10-28T10:41:38.04 | 3.0 | undecidable | manual | Pg | 2.81 | 0 | |||
IV.MF5.EHZ. | 2023-10-28T10:41:31.25 | 3.0 | undecidable | manual | Pg | -0.23 | 0 | |||
IV.NRCA.HHZ. | 2023-10-28T10:41:29.06 | 3.0 | negative | manual | Pn | -3.67 | 0 | |||
IV.CTI.HHZ. | 2023-10-28T10:41:27.58 | 3.0 | undecidable | manual | P | 3.44 | 0 | |||
IV.LNSS.HHZ. | 2023-10-28T10:41:27.38 | 3.0 | undecidable | manual | Pn | -8.37 | 0 | |||
IV.RUFI.EHZ. | 2023-10-28T10:41:24.24 | 0.3 | undecidable | manual | S | 201 | 26.4513 | 101 | -0.17 | 94 |
IV.STAL.HHZ. | 2023-10-28T10:41:23.01 | 3.0 | positive | manual | Pg | -1.48 | 0 | |||
IV.MOCL.EHZ. | 2023-10-28T10:41:23.00 | 0.3 | undecidable | manual | P | 260 | 36.0417 | 98 | 0.66 | 81 |
IV.SEI.HHZ. | 2023-10-28T10:41:22.69 | 0.3 | undecidable | manual | S | 268 | 21.3675 | 104 | 0.03 | 97 |
IV.VISG.HHZ. | 2023-10-28T10:41:22.49 | 0.3 | undecidable | manual | S | 313 | 20.868 | 104 | 0 | 98 |
IV.RINC.EHZ. | 2023-10-28T10:41:22.18 | 0.3 | undecidable | manual | S | 185 | 19.4694 | 105 | 0.15 | 95 |
IV.FRON.EHZ. | 2023-10-28T10:41:21.93 | 3.0 | undecidable | manual | P | -1.04 | 0 | |||
IT.MOG.HNZ. | 2023-10-28T10:41:21.45 | 0.3 | undecidable | manual | S | 43 | 16.4724 | 107 | 0.41 | 90 |
IV.VMGN.HHZ. | 2023-10-28T10:41:20.66 | 0.3 | undecidable | manual | S | 212 | 13.9749 | 110 | 0.44 | 90 |
IV.RUFI.EHZ. | 2023-10-28T10:41:20.03 | 0.3 | undecidable | manual | P | 201 | 26.4513 | 101 | -0.42 | 89 |
IV.SEI.HHZ. | 2023-10-28T10:41:19.02 | 0.3 | undecidable | manual | P | 268 | 21.3675 | 104 | -0.42 | 89 |
IV.VISG.HHZ. | 2023-10-28T10:41:19.20 | 0.3 | undecidable | manual | P | 313 | 20.868 | 104 | -0.14 | 95 |
IV.RINC.EHZ. | 2023-10-28T10:41:19.01 | 0.3 | undecidable | manual | P | 185 | 19.4694 | 105 | -0.07 | 97 |
IT.MOG.HNZ. | 2023-10-28T10:41:18.41 | 0.3 | undecidable | manual | P | 43 | 16.4724 | 107 | -0.09 | 97 |
IV.VMGN.HHZ. | 2023-10-28T10:41:18.09 | 0.3 | undecidable | manual | P | 212 | 13.9749 | 110 | 0.05 | 98 |
IV.LMD.HHZ. | 2023-10-28T10:41:17.93 | 0.3 | undecidable | manual | S | 75 | 6.6933 | 128 | -0.05 | 99 |
IT.MRR.HGE. | 2023-10-28T10:41:16.90 | 0.3 | undecidable | manual | S | 279 | 1.8981 | 160 | -0.05 | 100 |
IV.LMD.HHZ. | 2023-10-28T10:41:16.60 | 0.3 | undecidable | manual | P | 75 | 6.6933 | 128 | -0.14 | 97 |
IT.MRR.HGE. | 2023-10-28T10:41:16.02 | 0.3 | undecidable | manual | P | 279 | 1.8981 | 160 | -0.12 | 98 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.VMGN.HHE. | ML:0.5 | 0.00004175 | 0.44 | AML | other | m | 2023-10-28T10:41:21.03 |
IV.VMGN.HHN. | ML:0.6 | 0.000048100000000000004 | 1.36 | AML | other | m | 2023-10-28T10:41:21.06 |
IV.SEI.HHN. | ML:1.4 | 0.00017099999999999998 | 0.2 | AML | other | m | 2023-10-28T10:41:22.98 |
IV.SEI.HHE. | ML:1.0 | 0.00007455000000000001 | 1.64 | AML | other | m | 2023-10-28T10:41:23.86 |