A magnitude ML 1.5 earthquake occured in region: 4 km SE Premilcuore (FC), on
and geographic coordinates (lat, lon) 43.9530, 11.8070 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 |
---|---|---|---|---|
Premilcuore | FC | 4 | 799 | 799 |
Santa Sofia | FC | 8 | 4136 | 4935 |
Portico e San Benedetto | FC | 9 | 756 | 5691 |
Galeata | FC | 10 | 2516 | 8207 |
Civitella di Romagna | FC | 12 | 3786 | 11993 |
Rocca San Casciano | FC | 13 | 1910 | 13903 |
Tredozio | FC | 15 | 1212 | 15115 |
San Godenzo | FI | 15 | 1167 | 16282 |
Bagno di Romagna | FC | 17 | 6026 | 22308 |
Pratovecchio Stia | AR | 19 | 5845 | 28153 |
Dovadola | FC | 20 | 1653 | 29806 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.5 | 2021-01-23 10:27:06 |
43.953 | 11.8073 | 9 | 2021-07-12 16:54:56 |
Bollettino Sismico Italiano INGV | 86784971 |
Reviewed Rev100 |
ML 1.5 | 2021-01-23 10:27:06 |
43.9737 | 11.8 | 8 | 2021-01-23 10:35:51 |
Sala Sismica INGV-Roma | 86489401 |
Field | Value |
---|---|
Time (UTC) | 2021-01-23 10:27:06 ± 0.08 |
Latitude | 43.9530 ± 0.0036 |
Longitude | 11.8073 ± 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 | 86784971 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 385 |
Semi-minor axis of confidence ellipse (meter) | 376 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 92 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 390.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 155 |
Number of associated phases, regardless of their use for origin computation | 21 |
Number of defining phases | 12 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.17 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.34984 |
Number of stations at which the event was observed | 15 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | 0.1 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 86489401 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-01-23 10:35:51 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | 0.1 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 86784971 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-03-05 15:45:55 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.IOCA.HHZ. | 2021-01-23T10:28:51.65 | 3.0 | undecidable | manual | Sg | 10.14 | 0 | |||
IV.GIZZ.HHZ. | 2021-01-23T10:28:44.46 | 3.0 | positive | manual | Pg | 15.07 | 0 | |||
IV.MTGR.HHZ. | 2021-01-23T10:28:32.37 | 3.0 | undecidable | manual | Pn | -0.81 | 0 | |||
IV.PTRJ.HNZ. | 2021-01-23T10:28:31.08 | 3.0 | undecidable | manual | Sn | -1.78 | 0 | |||
IV.SELL.HHZ. | 2021-01-23T10:28:27.23 | 3.0 | positive | manual | Pn | -4.39 | 0 | |||
IV.ZONE.HHZ. | 2021-01-23T10:28:05.01 | 3.0 | undecidable | manual | Sg | 0.99 | 0 | |||
IV.IFOR.HHZ. | 2021-01-23T10:27:52.22 | 3.0 | undecidable | manual | Pn | -5.14 | 0 | |||
MN.TRI.HHZ. | 2021-01-23T10:27:29.24 | 3.0 | undecidable | manual | Pg | -3.57 | 0 | |||
GU.GRAM.HHZ. | 2021-01-23T10:27:27.36 | 3.0 | positive | manual | Pg | -0.29 | 0 | |||
IV.CRE.HHN. | 2021-01-23T10:27:20.11 | 0.6 | undecidable | manual | S | 163 | 38.8278 | 50 | 0.43 | 43 |
IV.SEI.HHZ. | 2021-01-23T10:27:19.36 | 0.6 | undecidable | manual | S | 288 | 37.5291 | 50 | 0.03 | 47 |
IV.BRIS.HHN. | 2021-01-23T10:27:17.64 | 0.6 | undecidable | manual | S | 354 | 30.2475 | 106 | 0.35 | 45 |
IV.RUFI.EHZ. | 2021-01-23T10:27:16.20 | 0.3 | undecidable | manual | S | 242 | 27.0507 | 108 | 0 | 73 |
IV.RINC.HHE. | 2021-01-23T10:27:13.32 | 0.6 | undecidable | manual | S | 245 | 17.6712 | 117 | 0.14 | 48 |
IV.CRE.HHN. | 2021-01-23T10:27:13.85 | 0.3 | undecidable | manual | P | 163 | 38.8278 | 50 | -0.19 | 69 |
IV.SEI.HHZ. | 2021-01-23T10:27:13.58 | 0.3 | undecidable | manual | P | 288 | 37.5291 | 50 | -0.26 | 68 |
IV.BRIS.HHN. | 2021-01-23T10:27:12.57 | 0.1 | undecidable | manual | P | 354 | 30.2475 | 106 | -0.1 | 95 |
IV.RUFI.EHZ. | 2021-01-23T10:27:11.99 | 0.1 | undecidable | manual | P | 242 | 27.0507 | 108 | -0.05 | 96 |
IV.SFI.EHZ. | 2021-01-23T10:27:10.00 | 0.1 | undecidable | manual | S | 149 | 6.1938 | 145 | -0.09 | 99 |
IV.RINC.HHE. | 2021-01-23T10:27:10.38 | 0.3 | undecidable | manual | P | 245 | 17.6712 | 117 | 0.09 | 73 |
IV.SFI.EHZ. | 2021-01-23T10:27:08.54 | 0.1 | undecidable | manual | P | 149 | 6.1938 | 145 | 0.03 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SFI.EHE. | ML:1.6 | 0.000734 | 0.26 | AML | other | m | 2021-01-23T10:27:10.06 |
IV.SFI.HNE. | ML:1.6 | 0.000779 | 0.24 | AML | other | m | 2021-01-23T10:27:10.06 |
IV.SFI.EHN. | ML:1.4 | 0.0004625 | 0.08 | AML | other | m | 2021-01-23T10:27:10.09 |
IV.SFI.HNN. | ML:1.4 | 0.0004715 | 0.08 | AML | other | m | 2021-01-23T10:27:10.09 |
IV.LMD.HHE. | ML:1.5 | 0.0002735 | 1.46 | AML | other | m | 2021-01-23T10:27:10.83 |
IV.LMD.HHN. | ML:1.4 | 0.0002475 | 0.78 | AML | other | m | 2021-01-23T10:27:10.52 |