A magnitude ML 1.5 earthquake occured in region: 1 km NE Santa Sofia (FC), on
and geographic coordinates (lat, lon) 43.9550, 11.9220 at 8 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 | 1 | 4136 | 4136 |
Galeata | FC | 5 | 2516 | 6652 |
Civitella di Romagna | FC | 6 | 3786 | 10438 |
Bagno di Romagna | FC | 12 | 6026 | 16464 |
Premilcuore | FC | 12 | 799 | 17263 |
Rocca San Casciano | FC | 14 | 1910 | 19173 |
Portico e San Benedetto | FC | 14 | 756 | 19929 |
Predappio | FC | 17 | 6346 | 26275 |
Sarsina | FC | 18 | 3446 | 29721 |
Verghereto | FC | 19 | 1907 | 31628 |
Dovadola | FC | 19 | 1653 | 33281 |
Tredozio | FC | 20 | 1212 | 34493 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.5 | 2021-04-18 09:34:42 |
43.9547 | 11.9225 | 8 | 2021-07-12 16:55:11 |
Bollettino Sismico Italiano INGV | 90194011 |
Reviewed Rev100 |
ML 1.8 | 2021-04-18 09:34:43 |
43.9507 | 11.9167 | 7 | 2021-04-18 09:44:33 |
Sala Sismica INGV-Roma | 89206681 |
Field | Value |
---|---|
Time (UTC) | 2021-04-18 09:34:42 ± 0.07 |
Latitude | 43.9547 ± 0.0036 |
Longitude | 11.9225 ± 0.0050 |
Depth (km) | 8 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 90194011 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 448 |
Semi-minor axis of confidence ellipse (meter) | 253 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 227 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 450.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 73 |
Number of associated phases, regardless of their use for origin computation | 36 |
Number of defining phases | 35 |
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) | 0.66820 |
Number of stations at which the event was observed | 21 |
Number of stations from which data was used for origin computation | 20 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | 0.3 |
Num. used stations | 22 |
Type of magnitude | ML |
Reference to an origin | 90194011 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-05-17 10:39:37 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.3 |
Num. used stations | 30 |
Type of magnitude | ML |
Reference to an origin | 89206681 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-04-18 09:44:33 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MSSA.HHZ. | 2021-04-18T09:35:42.11 | 3.0 | undecidable | manual | Sg | 5.54 | 0 | |||
IV.NARO.HHZ. | 2021-04-18T09:35:03.42 | 0.3 | undecidable | manual | S | 126 | 65.0904 | 50 | 0.11 | 69 |
IV.MOCL.EHZ. | 2021-04-18T09:35:02.30 | 0.3 | undecidable | manual | S | 276 | 59.496 | 50 | 0.48 | 64 |
IV.IMOL.EHZ. | 2021-04-18T09:34:59.48 | 0.6 | undecidable | manual | S | 342 | 47.1195 | 50 | 0.94 | 36 |
IV.SEI.HHZ. | 2021-04-18T09:34:58.33 | 0.6 | undecidable | manual | S | 284 | 46.3203 | 50 | 0.01 | 48 |
IV.VISG.HHZ. | 2021-04-18T09:34:58.51 | 0.3 | undecidable | manual | S | 304 | 46.8198 | 50 | 0.07 | 72 |
IV.SSP9.EHZ. | 2021-04-18T09:34:58.41 | 0.6 | undecidable | manual | S | 158 | 45.4212 | 50 | 0.34 | 45 |
IV.PARC.HHZ. | 2021-04-18T09:34:57.24 | 0.3 | undecidable | manual | S | 143 | 42.3243 | 50 | -0.01 | 73 |
IV.CRE.HHZ. | 2021-04-18T09:34:56.04 | 0.3 | undecidable | manual | S | 176 | 37.3293 | 50 | 0.13 | 72 |
IV.RONT.HHZ. | 2021-04-18T09:34:56.71 | 0.3 | undecidable | manual | S | 276 | 39.3273 | 50 | 0.27 | 70 |
IV.ATMI.HHZ. | 2021-04-18T09:34:55.93 | 0.6 | undecidable | manual | P | 158 | 74.1702 | 50 | -0.15 | 45 |
IV.CSNT.HHZ. | 2021-04-18T09:34:55.71 | 0.1 | undecidable | manual | P | 224 | 73.6707 | 50 | -0.29 | 87 |
IV.CPGN.EHZ. | 2021-04-18T09:34:55.82 | 0.3 | undecidable | manual | S | 118 | 36.1416 | 50 | 0.24 | 71 |
IV.RUFI.EHZ. | 2021-04-18T09:34:55.26 | 0.3 | undecidable | manual | S | 249 | 35.4423 | 50 | -0.15 | 72 |
IV.NARO.HHZ. | 2021-04-18T09:34:54.49 | 0.6 | undecidable | manual | P | 126 | 65.0904 | 50 | -0.19 | 45 |
IV.PIEI.HHZ. | 2021-04-18T09:34:54.68 | 0.6 | undecidable | manual | P | 133 | 67.5768 | 50 | -0.38 | 43 |
IV.BRIS.HHZ. | 2021-04-18T09:34:54.68 | 0.6 | undecidable | manual | S | 338 | 32.4453 | 104 | 0.2 | 48 |
IV.MOCL.EHZ. | 2021-04-18T09:34:53.47 | 0.3 | undecidable | manual | P | 276 | 59.496 | 50 | -0.34 | 66 |
IV.RINC.HHZ. | 2021-04-18T09:34:52.68 | 0.3 | undecidable | manual | S | 253 | 26.3514 | 107 | 0.23 | 72 |
IV.IMOL.EHZ. | 2021-04-18T09:34:52.16 | 0.3 | undecidable | manual | P | 342 | 47.1195 | 50 | 0.25 | 69 |
IV.SEI.HHZ. | 2021-04-18T09:34:51.55 | 0.3 | undecidable | manual | P | 284 | 46.3203 | 50 | -0.24 | 69 |
IV.VISG.HHZ. | 2021-04-18T09:34:51.73 | 0.6 | undecidable | manual | P | 304 | 46.8198 | 50 | -0.13 | 47 |
IV.SSP9.EHZ. | 2021-04-18T09:34:51.67 | 0.1 | undecidable | manual | P | 158 | 45.4212 | 50 | 0.02 | 97 |
IV.CPGN.EHZ. | 2021-04-18T09:34:50.64 | 0.3 | undecidable | manual | P | 118 | 36.1416 | 50 | 0.43 | 68 |
IV.LMD.HHZ. | 2021-04-18T09:34:50.82 | 0.3 | undecidable | manual | S | 309 | 21.9669 | 111 | -0.18 | 73 |
IV.PARC.HHZ. | 2021-04-18T09:34:50.87 | 0.3 | undecidable | manual | P | 143 | 42.3243 | 50 | -0.3 | 69 |
IV.BRSN.HNZ. | 2021-04-18T09:34:50.80 | 0.6 | undecidable | manual | P | 19 | 38.628 | 50 | 0.19 | 47 |
IV.CRE.HHZ. | 2021-04-18T09:34:50.16 | 0.1 | undecidable | manual | P | 176 | 37.3293 | 50 | -0.24 | 94 |
IV.RONT.HHZ. | 2021-04-18T09:34:50.47 | 0.1 | undecidable | manual | P | 276 | 39.3273 | 50 | -0.24 | 94 |
IV.RSM2.HHN. | 2021-04-18T09:34:50.89 | 0.3 | undecidable | manual | P | 92 | 41.8248 | 50 | -0.2 | 71 |
IV.BRIS.HHZ. | 2021-04-18T09:34:49.37 | 0.3 | undecidable | manual | P | 338 | 32.4453 | 104 | -0.2 | 72 |
IV.RUFI.EHZ. | 2021-04-18T09:34:49.75 | 0.3 | undecidable | manual | P | 249 | 35.4423 | 50 | -0.36 | 69 |
IV.RINC.HHZ. | 2021-04-18T09:34:48.43 | 0.1 | positive | manual | P | 253 | 26.3514 | 107 | 0.03 | 100 |
IV.LMD.HHZ. | 2021-04-18T09:34:47.17 | 0.1 | undecidable | manual | P | 309 | 21.9669 | 111 | -0.4 | 93 |
IV.SFI.EHZ. | 2021-04-18T09:34:47.28 | 0.3 | undecidable | manual | S | 228 | 8.1807 | 135 | 0.37 | 72 |
IV.SFI.EHZ. | 2021-04-18T09:34:45.53 | 0.1 | positive | manual | P | 228 | 8.1807 | 135 | 0.33 | 97 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SFI.HNN. | ML:1.6 | 0.0006858858000000001 | 1.1328 | AML | other | m | 2021-04-18T09:34:47.80 |
IV.SFI.EHN. | ML:1.4 | 0.00044879884999999995 | 0.7808 | AML | other | m | 2021-04-18T09:34:47.23 |
IV.SFI.HNE. | ML:1.5 | 0.00045268645 | 0.3648 | AML | other | m | 2021-04-18T09:34:47.46 |
IV.SFI.EHE. | ML:1.5 | 0.000496216 | 0.4992 | AML | other | m | 2021-04-18T09:34:47.45 |
IV.LMD.HHN. | ML:1.7 | 0.00036300760000000003 | 0.6016 | AML | other | m | 2021-04-18T09:34:51.25 |
IV.LMD.HHE. | ML:1.8 | 0.00044258674999999995 | 0.2176 | AML | other | m | 2021-04-18T09:34:51.21 |
IV.RINC.HHN. | ML:1.7 | 0.00030400000000000007 | 0.26 | AML | other | m | 2021-04-18T09:34:53.14 |
IV.RINC.HHE. | ML:1.4 | 0.00015689415 | 0.4608 | AML | other | m | 2021-04-18T09:34:53.10 |
IV.RUFI.EHE. | ML:1.6 | 0.00017250000000000002 | 0.32 | AML | other | m | 2021-04-18T09:34:55.73 |
IV.RUFI.EHN. | ML:1.7 | 0.00020850000000000003 | 0.44 | AML | other | m | 2021-04-18T09:34:55.99 |
IV.CRE.HHN. | ML:1.6 | 0.00016337635 | 0.2432 | AML | other | m | 2021-04-18T09:34:56.44 |
IV.CRE.HHE. | ML:1.4 | 0.00009347371500000001 | 0.2752 | AML | other | m | 2021-04-18T09:34:56.61 |
IV.PARC.HHN. | ML:1.4 | 0.00007831626999999999 | 0.1856 | AML | other | m | 2021-04-18T09:34:57.71 |
IV.PARC.HHE. | ML:1.3 | 0.000072288955 | 0.16 | AML | other | m | 2021-04-18T09:34:57.82 |
IV.BRIS.HHE. | ML:1.8 | 0.00025558095000000004 | 0.2048 | AML | other | m | 2021-04-18T09:34:54.94 |
IV.SEI.HHN. | ML:1.6 | 0.00011945945 | 2.1184 | AML | other | m | 2021-04-18T09:34:57.71 |
IV.BRIS.HHN. | ML:1.9 | 0.00032792905 | 0.2176 | AML | other | m | 2021-04-18T09:34:55.29 |
IV.SEI.HHE. | ML:1.9 | 0.00023314695 | 0.1984 | AML | other | m | 2021-04-18T09:34:59.15 |
IV.VISG.HHN. | ML:1.1 | 0.00003722557 | 1.6 | AML | other | m | 2021-04-18T09:34:58.53 |
IV.NARO.HHN. | ML:0.7 | 0.0000115699335 | 2.6176 | AML | other | m | 2021-04-18T09:35:04.12 |
IV.VISG.HHE. | ML:1.1 | 0.000035693045 | 0.9408 | AML | other | m | 2021-04-18T09:34:58.47 |
IV.NARO.HHE. | ML:0.9 | 0.000015086859 | 1.3376 | AML | other | m | 2021-04-18T09:35:03.46 |