A magnitude ML 1.0 earthquake occured in region: 2 km NE Santa Sofia (FC), on
and geographic coordinates (lat, lon) 43.9620, 11.9150 at 9 km depth.
The earthquake was located by: Bollettino Sismico Italiano INGV.
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 | 2 | 4136 | 4136 |
Galeata | FC | 4 | 2516 | 6652 |
Civitella di Romagna | FC | 6 | 3786 | 10438 |
Premilcuore | FC | 11 | 799 | 11237 |
Bagno di Romagna | FC | 13 | 6026 | 17263 |
Rocca San Casciano | FC | 13 | 1910 | 19173 |
Portico e San Benedetto | FC | 13 | 756 | 19929 |
Predappio | FC | 17 | 6346 | 26275 |
Dovadola | FC | 18 | 1653 | 27928 |
Sarsina | FC | 19 | 3446 | 31374 |
Tredozio | FC | 19 | 1212 | 32586 |
Verghereto | FC | 20 | 1907 | 34493 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.0 | 2021-04-18 10:56:32 |
43.9618 | 11.9152 | 9 | 2021-07-12 16:55:11 |
Bollettino Sismico Italiano INGV | 90197211 |
Reviewed Rev100 |
ML 1.0 | 2021-04-18 10:56:32 |
43.9648 | 11.9112 | 9 | 2021-04-18 11:03:02 |
Sala Sismica INGV-Roma | 89208671 |
Field | Value |
---|---|
Time (UTC) | 2021-04-18 10:56:32 ± 0.08 |
Latitude | 43.9618 ± 0.0036 |
Longitude | 11.9152 ± 0.0050 |
Depth (km) | 9 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 90197211 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 486 |
Semi-minor axis of confidence ellipse (meter) | 310 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 231 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 490.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 141 |
Number of associated phases, regardless of their use for origin computation | 35 |
Number of defining phases | 27 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.2 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.61783 |
Number of stations at which the event was observed | 24 |
Number of stations from which data was used for origin computation | 16 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.2 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 89208671 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-04-18 11:03:02 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.2 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 90197211 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-05-17 12:20:47 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MTGR.HHZ. | 2021-04-18T10:58:19.91 | 3.0 | positive | manual | Pg | 17.129999 | 0 | |||
OT.OT14.EHZ. | 2021-04-18T10:58:11.01 | 3.0 | undecidable | manual | Sn | -0.89 | 0 | |||
IV.PTRJ.HHZ. | 2021-04-18T10:58:09.30 | 3.0 | undecidable | manual | Sg | 6.12 | 0 | |||
IV.OVO.HHZ. | 2021-04-18T10:57:39.10 | 3.0 | undecidable | manual | Pg | 10.02 | 0 | |||
IV.BRMO.HHZ. | 2021-04-18T10:57:18.86 | 3.0 | undecidable | manual | Pn | 2.31 | 0 | |||
IV.VOBA.EHZ. | 2021-04-18T10:57:05.56 | 3.0 | negative | manual | Pn | -0.22 | 0 | |||
IV.ARVD.HHZ. | 2021-04-18T10:57:04.67 | 3.0 | undecidable | manual | S | 0.12 | 0 | |||
IV.CESX.HHZ. | 2021-04-18T10:56:59.20 | 3.0 | undecidable | manual | P | 0.27 | 0 | |||
IV.PARC.HHZ. | 2021-04-18T10:56:47.02 | 0.6 | undecidable | manual | S | 143 | 43.3233 | 50 | -0.17 | 46 |
IV.SEI.HHZ. | 2021-04-18T10:56:47.98 | 0.6 | undecidable | manual | S | 283 | 45.621 | 50 | 0.19 | 46 |
IV.RONT.HHZ. | 2021-04-18T10:56:46.21 | 0.3 | undecidable | manual | S | 275 | 38.628 | 50 | 0.27 | 68 |
IV.CRE.HHZ. | 2021-04-18T10:56:45.64 | 0.3 | undecidable | manual | S | 176 | 38.1285 | 50 | -0.17 | 70 |
IV.PIEI.HNZ. | 2021-04-18T10:56:45.23 | 0.6 | undecidable | manual | P | 133 | 68.5758 | 50 | 0.25 | 43 |
IV.CPGN.HNN. | 2021-04-18T10:56:45.74 | 0.6 | undecidable | manual | S | 119 | 37.0296 | 50 | 0.24 | 46 |
IV.RUFI.EHZ. | 2021-04-18T10:56:45.01 | 0.3 | undecidable | manual | S | 247 | 35.2425 | 50 | -0.01 | 72 |
IV.MPPT.EHZ. | 2021-04-18T10:56:44.46 | 0.6 | undecidable | manual | P | 270 | 65.8896 | 50 | -0.1 | 45 |
IV.BRIS.HHZ. | 2021-04-18T10:56:44.36 | 0.3 | undecidable | manual | S | 338 | 31.4463 | 50 | 0.34 | 68 |
IV.MTRZ.HNZ. | 2021-04-18T10:56:43.65 | 0.6 | undecidable | manual | P | 315 | 55.1004 | 50 | 0.74 | 38 |
IV.PE3.EHZ. | 2021-04-18T10:56:43.22 | 0.6 | undecidable | manual | P | 122 | 55.1004 | 50 | 0.31 | 44 |
IV.RINC.HHZ. | 2021-04-18T10:56:42.51 | 0.3 | undecidable | manual | S | 251 | 25.9518 | 110 | 0.17 | 71 |
IV.VISG.HHZ. | 2021-04-18T10:56:41.26 | 0.6 | undecidable | manual | P | 303 | 45.8208 | 50 | -0.22 | 45 |
IV.PARC.HHZ. | 2021-04-18T10:56:41.00 | 0.6 | undecidable | manual | P | 143 | 43.3233 | 50 | -0.09 | 47 |
IV.SEI.HHZ. | 2021-04-18T10:56:41.67 | 0.6 | undecidable | manual | P | 283 | 45.621 | 50 | 0.23 | 45 |
IV.ASQU.HHZ. | 2021-04-18T10:56:40.96 | 0.3 | undecidable | manual | S | 209 | 20.868 | 114 | 0.26 | 70 |
IV.RONT.HHZ. | 2021-04-18T10:56:40.08 | 0.1 | undecidable | manual | P | 275 | 38.628 | 50 | -0.29 | 90 |
IV.CPGN.HNN. | 2021-04-18T10:56:40.18 | 0.6 | undecidable | manual | P | 119 | 37.0296 | 50 | 0.06 | 48 |
IV.LMD.HHZ. | 2021-04-18T10:56:40.53 | 0.3 | undecidable | manual | S | 308 | 20.9679 | 114 | -0.19 | 72 |
IV.BRIS.HHZ. | 2021-04-18T10:56:39.10 | 0.1 | undecidable | manual | P | 338 | 31.4463 | 50 | -0.16 | 94 |
IV.RUFI.EHZ. | 2021-04-18T10:56:39.56 | 0.1 | undecidable | manual | P | 247 | 35.2425 | 50 | -0.28 | 91 |
IV.CRE.HHZ. | 2021-04-18T10:56:39.96 | 0.3 | undecidable | manual | P | 176 | 38.1285 | 50 | -0.34 | 67 |
IV.RINC.HHZ. | 2021-04-18T10:56:38.17 | 0.1 | undecidable | manual | P | 251 | 25.9518 | 110 | -0.12 | 96 |
IV.LMD.HHZ. | 2021-04-18T10:56:37.05 | 0.3 | undecidable | manual | P | 308 | 20.9679 | 114 | -0.31 | 70 |
IV.ASQU.HHZ. | 2021-04-18T10:56:37.33 | 0.1 | undecidable | manual | P | 209 | 20.868 | 114 | -0.02 | 99 |
IV.SFI.EHZ. | 2021-04-18T10:56:37.26 | 0.3 | undecidable | manual | S | 221 | 8.3805 | 138 | 0.17 | 73 |
IV.SFI.EHZ. | 2021-04-18T10:56:35.33 | 0.1 | positive | manual | P | 221 | 8.3805 | 138 | 0.06 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SFI.EHE. | ML:0.8 | 0.00008412887 | 0.2432 | AML | other | m | 2021-04-18T10:56:37.48 |
IV.SFI.EHN. | ML:1.0 | 0.000163 | 0.38 | AML | other | m | 2021-04-18T10:56:37.76 |
IV.LMD.HHN. | ML:1.0 | 0.00007089999999999999 | 1.36 | AML | other | m | 2021-04-18T10:56:41.23 |
IV.ASQU.HHN. | ML:1.1 | 0.0000902 | 0.38 | AML | other | m | 2021-04-18T10:56:41.59 |
IV.LMD.HHE. | ML:1.1 | 0.00008484999999999999 | 0.56 | AML | other | m | 2021-04-18T10:56:41.99 |
IV.ASQU.HHE. | ML:0.9 | 0.00005405 | 0.16 | AML | other | m | 2021-04-18T10:56:41.98 |
IV.RINC.HHN. | ML:0.9 | 0.000042610670000000007 | 0.2752 | AML | other | m | 2021-04-18T10:56:42.90 |
IV.RINC.HHE. | ML:1.0 | 0.00005685 | 1.5 | AML | other | m | 2021-04-18T10:56:43.11 |
IV.BRIS.HHN. | ML:1.1 | 0.000053966885 | 0.1984 | AML | other | m | 2021-04-18T10:56:45.08 |
IV.BRIS.HHE. | ML:1.2 | 0.00008026375 | 0.3392 | AML | other | m | 2021-04-18T10:56:45.60 |
IV.CRE.HHN. | ML:1.2 | 0.000056662375 | 0.2752 | AML | other | m | 2021-04-18T10:56:46.61 |
IV.CRE.HHE. | ML:0.7 | 0.00002227415 | 0.1984 | AML | other | m | 2021-04-18T10:56:48.65 |