A magnitude ML 1.5 earthquake occured in region: 3 km SE Premilcuore (FC), on
and geographic coordinates (lat, lon) 43.9540, 11.8030 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 | 3 | 799 | 799 |
Portico e San Benedetto | FC | 8 | 756 | 1555 |
Santa Sofia | FC | 9 | 4136 | 5691 |
Galeata | FC | 10 | 2516 | 8207 |
Civitella di Romagna | FC | 12 | 3786 | 11993 |
Rocca San Casciano | FC | 12 | 1910 | 13903 |
Tredozio | FC | 15 | 1212 | 15115 |
San Godenzo | FI | 15 | 1167 | 16282 |
Bagno di Romagna | FC | 18 | 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 | 2021-01-21 05:49:32 |
43.9545 | 11.803 | 9 | 2021-07-12 16:54:56 |
Bollettino Sismico Italiano INGV | 86498071 |
Field | Value |
---|---|
Time (UTC) | 2021-01-21 05:49:32 ± 0.07 |
Latitude | 43.9545 ± 0.0036 |
Longitude | 11.8030 ± 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 | 86498071 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 451 |
Semi-minor axis of confidence ellipse (meter) | 168 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 235 |
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) | 140 |
Number of associated phases, regardless of their use for origin computation | 18 |
Number of defining phases | 18 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.21 |
Epicentral distance of station closest to the epicenter (degree) | 0.05936 |
Epicentral distance of station farthest from the epicenter (degree) | 0.43797 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | 0.2 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 86498071 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-01-23 13:49:59 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.PARC.HHE. | 2021-01-21T05:49:49.05 | 0.6 | undecidable | manual | S | 134 | 48.618 | 50 | 0.56 | 42 |
IV.CRE.HHZ. | 2021-01-21T05:49:46.03 | 0.6 | undecidable | manual | S | 162 | 39.1275 | 50 | 0.09 | 47 |
IV.SEI.HHZ. | 2021-01-21T05:49:45.40 | 0.6 | undecidable | manual | S | 287 | 37.1295 | 50 | -0.02 | 48 |
IV.BRIS.HHZ. | 2021-01-21T05:49:43.77 | 0.3 | undecidable | manual | S | 354 | 30.0477 | 106 | 0.31 | 69 |
IV.RONT.HHZ. | 2021-01-21T05:49:43.73 | 0.6 | undecidable | manual | S | 278 | 29.8479 | 107 | 0.35 | 46 |
IV.RUFI.EHZ. | 2021-01-21T05:49:42.21 | 0.6 | undecidable | manual | S | 241 | 26.751 | 108 | -0.15 | 48 |
IV.PARC.HHE. | 2021-01-21T05:49:41.72 | 0.6 | undecidable | manual | P | 134 | 48.618 | 50 | -0.04 | 47 |
IV.SEI.HHZ. | 2021-01-21T05:49:39.69 | 0.1 | negative | manual | P | 287 | 37.1295 | 50 | -0.3 | 91 |
IV.CRE.HHZ. | 2021-01-21T05:49:39.98 | 0.3 | undecidable | manual | P | 162 | 39.1275 | 50 | -0.31 | 68 |
IV.RINC.HHZ. | 2021-01-21T05:49:39.28 | 0.6 | undecidable | manual | S | 244 | 17.3715 | 117 | -0.06 | 49 |
IV.ASQU.HHZ. | 2021-01-21T05:49:39.82 | 0.6 | undecidable | manual | S | 184 | 17.5713 | 117 | 0.43 | 46 |
IV.RUFI.EHZ. | 2021-01-21T05:49:38.12 | 0.1 | undecidable | manual | P | 241 | 26.751 | 108 | -0.1 | 97 |
IV.BRIS.HHZ. | 2021-01-21T05:49:38.70 | 0.1 | undecidable | manual | P | 354 | 30.0477 | 106 | -0.15 | 95 |
IV.RONT.HHZ. | 2021-01-21T05:49:38.89 | 0.1 | undecidable | manual | P | 278 | 29.8479 | 107 | 0.08 | 96 |
IV.ASQU.HHZ. | 2021-01-21T05:49:36.60 | 0.1 | positive | manual | P | 184 | 17.5713 | 117 | 0.09 | 98 |
IV.SFI.EHZ. | 2021-01-21T05:49:36.14 | 0.3 | undecidable | manual | S | 147 | 6.5934 | 144 | -0.26 | 73 |
IV.RINC.HHZ. | 2021-01-21T05:49:36.60 | 0.1 | positive | manual | P | 244 | 17.3715 | 117 | 0.12 | 98 |
IV.SFI.EHZ. | 2021-01-21T05:49:34.68 | 0.1 | undecidable | manual | P | 147 | 6.5934 | 144 | -0.1 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.LMD.HHE. | ML:1.6 | 0.00038700000000000003 | 0.28 | AML | other | m | 2021-01-21T05:49:36.58 |
IV.LMD.HHN. | ML:1.6 | 0.0004165 | 0.2 | AML | other | m | 2021-01-21T05:49:36.74 |
IV.RINC.HHN. | ML:1.2 | 0.000134 | 0.46 | AML | other | m | 2021-01-21T05:49:39.94 |
IV.RINC.HHE. | ML:1.2 | 0.0001575 | 1.2 | AML | other | m | 2021-01-21T05:49:40.05 |
IV.ASQU.HHE. | ML:1.3 | 0.00015900000000000002 | 0.48 | AML | other | m | 2021-01-21T05:49:40.41 |
IV.ASQU.HHN. | ML:1.5 | 0.0002745 | 0.54 | AML | other | m | 2021-01-21T05:49:40.02 |
IV.BRIS.HHE. | ML:1.8 | 0.00029749999999999997 | 1.7 | AML | other | m | 2021-01-21T05:49:44.07 |
IV.BRIS.HHN. | ML:1.7 | 0.00023999999999999998 | 0.3 | AML | other | m | 2021-01-21T05:49:44.17 |
IV.RONT.HHE. | ML:1.6 | 0.000214 | 1.08 | AML | other | m | 2021-01-21T05:49:45.08 |
IV.SEI.HHE. | ML:1.6 | 0.00013900000000000002 | 1.62 | AML | other | m | 2021-01-21T05:49:45.88 |
IV.SEI.HHN. | ML:1.7 | 0.00017649999999999998 | 1.02 | AML | other | m | 2021-01-21T05:49:46.36 |
IV.RONT.HHN. | ML:1.5 | 0.000161 | 0.46 | AML | other | m | 2021-01-21T05:49:47.70 |