A magnitude ML 0.9 earthquake occured in region: 2 km W Bagno di Romagna (FC), on
and geographic coordinates (lat, lon) 43.8630, 11.9510 at 10 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 |
---|---|---|---|---|
Bagno di Romagna | FC | 2 | 6026 | 6026 |
Verghereto | FC | 9 | 1907 | 7933 |
Santa Sofia | FC | 10 | 4136 | 12069 |
Galeata | FC | 15 | 2516 | 14585 |
Civitella di Romagna | FC | 16 | 3786 | 18371 |
Sarsina | FC | 17 | 3446 | 21817 |
Chiusi della Verna | AR | 18 | 2023 | 23840 |
Casteldelci | RN | 18 | 407 | 24247 |
Premilcuore | FC | 19 | 799 | 25046 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2021-02-20 11:48:33 |
43.8627 | 11.9513 | 10 | 2021-02-20 11:57:46 |
Sala Sismica INGV-Roma | 87319551 |
Field | Value |
---|---|
Time (UTC) | 2021-02-20 11:48:33 ± 0.14 |
Latitude | 43.8627 ± 0.0072 |
Longitude | 11.9513 ± 0.0137 |
Depth (km) | 10 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 87319551 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1194 |
Semi-minor axis of confidence ellipse (meter) | 650 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 249 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1190.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 142 |
Number of associated phases, regardless of their use for origin computation | 32 |
Number of defining phases | 11 |
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) | 0.29768 |
Number of stations at which the event was observed | 26 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 87319551 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-02-20 11:57:46 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.LINA.HHZ. | 2021-02-20T11:50:16.50 | 3.0 | negative | manual | Pn | 3.76 | 0 | |||
IV.SNAL.HHZ. | 2021-02-20T11:50:08.35 | 3.0 | undecidable | manual | Sg | 11.25 | 0 | |||
IV.ERC.EHZ. | 2021-02-20T11:50:02.13 | 3.0 | undecidable | manual | Pg | 18.85 | 0 | |||
CR.ZAG.BHZ. | 2021-02-20T11:49:58.80 | 3.0 | undecidable | manual | Sn | 4.53 | 0 | |||
IV.SELL.HHZ. | 2021-02-20T11:49:50.00 | 3.0 | undecidable | manual | Pn | 5.49 | 0 | |||
IV.NOV.HHZ. | 2021-02-20T11:49:48.63 | 3.0 | positive | manual | Pn | -0.24 | 0 | |||
IV.IFIL.HHZ. | 2021-02-20T11:49:37.59 | 3.0 | positive | manual | Pn | -2.47 | 0 | |||
MN.TRI.HHZ. | 2021-02-20T11:49:32.38 | 3.0 | undecidable | manual | Sn | 3.83 | 0 | |||
CR.STON.BHZ. | 2021-02-20T11:49:28.84 | 3.0 | negative | manual | Pn | 6.92 | 0 | |||
IV.MSSA.HHZ. | 2021-02-20T11:49:26.84 | 3.0 | undecidable | manual | Sg | 3.06 | 0 | |||
OX.VARN.HHZ. | 2021-02-20T11:49:25.38 | 3.0 | undecidable | manual | Sn | -3.49 | 0 | |||
IV.SGRT.HHZ. | 2021-02-20T11:49:20.15 | 3.0 | positive | manual | Pg | 9.36 | 0 | |||
IV.MSSA.HHZ. | 2021-02-20T11:48:57.88 | 3.0 | undecidable | manual | Pn | 1.75 | 0 | |||
GU.GSCL.HHZ. | 2021-02-20T11:48:55.52 | 3.0 | negative | manual | Pg | 7.48 | 0 | |||
IV.ARVD.HHZ. | 2021-02-20T11:48:55.64 | 3.0 | undecidable | manual | Sn | -0.94 | 0 | |||
IV.MNTT.EHZ. | 2021-02-20T11:48:50.23 | 3.0 | undecidable | manual | Pg | 4.26 | 0 | |||
IV.MF5.EHZ. | 2021-02-20T11:48:47.27 | 3.0 | negative | manual | Pn | 1.67 | 0 | |||
IV.PARC.HHZ. | 2021-02-20T11:48:45.64 | 0.6 | undecidable | manual | S | 136 | 33.0447 | 50 | 0.16 | 47 |
IV.ZCCA.HHZ. | 2021-02-20T11:48:45.57 | 3.0 | undecidable | manual | Pn | -0.03 | 0 | |||
IV.LMD.HHZ. | 2021-02-20T11:48:45.09 | 0.6 | undecidable | manual | S | 321 | 30.747 | 50 | 0.22 | 47 |
IV.CRE.HHZ. | 2021-02-20T11:48:43.59 | 0.6 | undecidable | manual | S | 180 | 27.0507 | 50 | -0.28 | 46 |
IV.RIBO.EHZ.01 | 2021-02-20T11:48:42.46 | 3.0 | undecidable | manual | P | -3.36 | 0 | |||
IV.PESA.HHZ. | 2021-02-20T11:48:41.35 | 3.0 | undecidable | manual | P | 0.76 | 0 | |||
IV.ASQU.HHZ. | 2021-02-20T11:48:40.32 | 0.6 | undecidable | manual | S | 241 | 14.874 | 124 | 0.1 | 49 |
IV.PARC.HHZ. | 2021-02-20T11:48:40.55 | 0.6 | undecidable | manual | P | 136 | 33.0447 | 50 | -0.07 | 48 |
IV.CPGN.EHN. | 2021-02-20T11:48:40.43 | 0.6 | undecidable | manual | P | 103 | 30.3474 | 50 | 0.23 | 47 |
IV.LMD.HHZ. | 2021-02-20T11:48:40.21 | 0.3 | positive | manual | P | 321 | 30.747 | 50 | -0.06 | 72 |
IV.CRTC.HHZ. | 2021-02-20T11:48:39.44 | 3.0 | positive | manual | P | -1 | 0 | |||
IV.CRE.HHZ. | 2021-02-20T11:48:39.44 | 0.1 | undecidable | manual | P | 180 | 27.0507 | 50 | -0.25 | 93 |
IV.ASQU.HHZ. | 2021-02-20T11:48:38.03 | 0.1 | positive | manual | P | 241 | 14.874 | 124 | 0.45 | 91 |
IV.SFI.HNE. | 2021-02-20T11:48:38.47 | 0.3 | undecidable | manual | S | 299 | 9.5793 | 137 | -0.34 | 71 |
IV.SFI.HNE. | 2021-02-20T11:48:36.70 | 0.1 | undecidable | manual | P | 299 | 9.5793 | 137 | -0.07 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.ASQU.HHE. | ML:1.0 | 0.0000829 | 0.28 | AML | other | m | 2021-02-20T11:48:40.77 |
IV.ASQU.HHN. | ML:1.2 | 0.000152 | 0.14 | AML | other | m | 2021-02-20T11:48:40.67 |
IV.CRE.HHN. | ML:0.9 | 0.000043450000000000006 | 1.48 | AML | other | m | 2021-02-20T11:48:44.77 |
IV.CRE.HHE. | ML:0.7 | 0.000027049999999999997 | 1.52 | AML | other | m | 2021-02-20T11:48:44.12 |
IV.LMD.HHE. | ML:0.8 | 0.000028713015000000002 | 0.16 | AML | other | m | 2021-02-20T11:48:45.48 |
IV.LMD.HHN. | ML:0.9 | 0.000035517955000000005 | 5.28 | AML | other | m | 2021-02-20T11:48:44.58 |