A magnitude ML 0.9 earthquake occured in region: 6 km SE Santa Sofia (FC), on
and geographic coordinates (lat, lon) 43.9130, 11.9580 at 15 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 |
---|---|---|---|---|
Santa Sofia | FC | 6 | 4136 | 4136 |
Bagno di Romagna | FC | 6 | 6026 | 10162 |
Galeata | FC | 10 | 2516 | 12678 |
Civitella di Romagna | FC | 11 | 3786 | 16464 |
Verghereto | FC | 14 | 1907 | 18371 |
Sarsina | FC | 15 | 3446 | 21817 |
Premilcuore | FC | 16 | 799 | 22616 |
Portico e San Benedetto | FC | 19 | 756 | 23372 |
Rocca San Casciano | FC | 19 | 1910 | 25282 |
Mercato Saraceno | FC | 20 | 6886 | 32168 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2023-04-20 13:44:39 |
43.9128 | 11.9582 | 15 | 2023-04-20 13:56:39 |
Sala Sismica INGV-Roma | 116551611 |
Field | Value |
---|---|
Time (UTC) | 2023-04-20 13:44:39 ± 0.08 |
Latitude | 43.9128 ± 0.0054 |
Longitude | 11.9582 ± 0.0075 |
Depth (km) | 15 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 116551611 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 567 |
Semi-minor axis of confidence ellipse (meter) | 530 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 44 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 570.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 190 |
Number of associated phases, regardless of their use for origin computation | 20 |
Number of defining phases | 10 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.12 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.33275 |
Number of stations at which the event was observed | 15 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.3 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 116551611 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-04-20 13:56:39 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
AC.VLO.HHZ. | 2023-04-20T13:46:34.22 | 3.0 | undecidable | manual | Pg | 18.68 | 0 | |||
IV.MONC.HHZ. | 2023-04-20T13:46:27.55 | 3.0 | undecidable | manual | Sg | 9.25 | 0 | |||
IV.MOCO.HHZ. | 2023-04-20T13:46:10.54 | 3.0 | undecidable | manual | Sn | -2.74 | 0 | |||
IV.SGTA.HHZ. | 2023-04-20T13:46:10.42 | 3.0 | undecidable | manual | Sn | -9.72 | 0 | |||
IV.TDS.HHZ. | 2023-04-20T13:45:51.77 | 3.0 | undecidable | manual | Pn | -7.51 | 0 | |||
IV.CMPR.HHZ. | 2023-04-20T13:45:46.39 | 3.0 | undecidable | manual | Pn | 0.66 | 0 | |||
IV.GATE.HHZ. | 2023-04-20T13:45:27.56 | 3.0 | negative | manual | Pn | -2.41 | 0 | |||
IV.ZEN8.EHZ. | 2023-04-20T13:45:12.27 | 3.0 | positive | manual | Pn | -6.78 | 0 | |||
NI.POLC.HHZ. | 2023-04-20T13:45:08.27 | 3.0 | undecidable | manual | Pn | -9.99 | 0 | |||
IV.NRCA.HHZ. | 2023-04-20T13:44:55.09 | 3.0 | undecidable | manual | P | -9.37 | 0 | |||
IV.PARC.HHZ. | 2023-04-20T13:44:52.49 | 0.3 | undecidable | manual | S | 142 | 36.9297 | 99 | 0.18 | 69 |
IV.CRE.HHZ. | 2023-04-20T13:44:51.29 | 0.3 | undecidable | manual | S | 181 | 32.6451 | 101 | 0.12 | 71 |
IV.VMGN.HHZ. | 2023-04-20T13:44:51.63 | 0.3 | undecidable | manual | S | 278 | 34.3434 | 100 | 0.01 | 72 |
IV.LMD.HHZ. | 2023-04-20T13:44:49.80 | 0.1 | undecidable | manual | S | 312 | 27.0507 | 104 | 0.07 | 96 |
IV.VMGN.HHZ. | 2023-04-20T13:44:46.72 | 0.1 | undecidable | manual | P | 278 | 34.3434 | 100 | 0.05 | 95 |
IV.PARC.HHZ. | 2023-04-20T13:44:46.93 | 0.3 | undecidable | manual | P | 142 | 36.9297 | 99 | -0.14 | 70 |
IV.CRE.HHZ. | 2023-04-20T13:44:46.18 | 0.3 | undecidable | manual | P | 181 | 32.6451 | 101 | -0.23 | 69 |
IV.SFI.EHZ. | 2023-04-20T13:44:45.54 | 0.3 | undecidable | manual | S | 264 | 8.9799 | 142 | -0.02 | 75 |
IV.LMD.HHZ. | 2023-04-20T13:44:45.55 | 0.1 | undecidable | manual | P | 312 | 27.0507 | 104 | -0.03 | 97 |
IV.SFI.EHZ. | 2023-04-20T13:44:43.15 | 0.1 | undecidable | manual | P | 264 | 8.9799 | 142 | -0.03 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.CRE.HHN. | ML:1.4 | 0.00011549999999999999 | 0.2 | AML | other | m | 2023-04-20T13:44:51.60 |
IV.CRE.HHE. | ML:1.0 | 0.00004505 | 0.16 | AML | other | m | 2023-04-20T13:44:51.63 |
IV.PARC.HHN. | ML:0.7 | 0.00001815 | 0.3 | AML | other | m | 2023-04-20T13:44:52.50 |
IV.PARC.HHE. | ML:0.6 | 0.00001485 | 0.96 | AML | other | m | 2023-04-20T13:44:54.43 |