A magnitude ML 0.4 earthquake occured in region: Confine Italia Francia (FRANCIA), on
and geographic coordinates (lat, lon) 44.4330, 6.8260 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 |
---|---|---|---|---|
Argentera | CN | 13 | 83 | 83 |
Acceglio | CN | 14 | 162 | 245 |
Prazzo | CN | 19 | 170 | 415 |
Pietraporzio | CN | 19 | 77 | 492 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.4 | 2021-08-31 21:14:58 |
44.4333 | 6.8265 | 10 | 2021-08-31 21:24:19 |
Sala Sismica INGV-Roma | 94887771 |
Field | Value |
---|---|
Time (UTC) | 2021-08-31 21:14:58 ± 0.47 |
Latitude | 44.4333 ± 0.0126 |
Longitude | 6.8265 ± 0.0264 |
Depth (km) | 10 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 94887771 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 2382 |
Semi-minor axis of confidence ellipse (meter) | 488 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 60 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 2380.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 227 |
Number of associated phases, regardless of their use for origin computation | 34 |
Number of defining phases | 13 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.37 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.77881 |
Number of stations at which the event was observed | 27 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 0.4 |
Uncertainty | 0.2 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 94887771 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-08-31 21:24:19 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IX.SCL3.EHZ.02 | 2021-08-31T21:16:51.70 | 3.0 | positive | manual | Pn | -0.89 | 0 | |||
IV.LPEL.HHZ. | 2021-08-31T21:16:49.87 | 3.0 | negative | manual | Pg | 18.59 | 0 | |||
OX.PLRO.HHZ. | 2021-08-31T21:16:29.33 | 3.0 | undecidable | manual | Pg | 12.19 | 0 | |||
IV.SBPO.HNZ. | 2021-08-31T21:16:28.16 | 3.0 | undecidable | manual | Sn | -0.79 | 0 | |||
IV.ZONE.HHZ. | 2021-08-31T21:16:25.73 | 3.0 | undecidable | manual | Sg | 4.77 | 0 | |||
GU.GSCL.HHZ. | 2021-08-31T21:16:24.99 | 3.0 | undecidable | manual | Sg | 2.47 | 0 | |||
IV.MF5.EHZ. | 2021-08-31T21:16:19.29 | 3.0 | undecidable | manual | Pn | -0.07 | 0 | |||
IV.LAV9.HHZ. | 2021-08-31T21:16:18.08 | 3.0 | negative | manual | Pn | -2.67 | 0 | |||
GU.GRAM.HHZ. | 2021-08-31T21:16:12.27 | 3.0 | undecidable | manual | Sn | -0.91 | 0 | |||
IV.AGLI.HHZ. | 2021-08-31T21:16:08.15 | 3.0 | undecidable | manual | Pg | 6.25 | 0 | |||
IV.RIBO.EHZ.01 | 2021-08-31T21:15:59.95 | 3.0 | undecidable | manual | Pg | 2.73 | 0 | |||
IV.MBAL.EHZ. | 2021-08-31T21:15:56.08 | 3.0 | positive | manual | Pn | 3.6 | 0 | |||
ST.VARA.EHZ. | 2021-08-31T21:15:55.55 | 3.0 | undecidable | manual | Pn | 2.08 | 0 | |||
SI.LUSI.HHZ. | 2021-08-31T21:15:55.83 | 3.0 | negative | manual | Pn | 1.21 | 0 | |||
IV.ROVR.HHZ. | 2021-08-31T21:15:54.32 | 3.0 | positive | manual | Pn | 0.14 | 0 | |||
ST.DOSS.HHZ. | 2021-08-31T21:15:53.14 | 3.0 | positive | manual | Pn | -3.21 | 0 | |||
IV.ZONE.HHZ. | 2021-08-31T21:15:51.15 | 3.0 | undecidable | manual | Pg | 4.85 | 0 | |||
CH.BERNI.HHZ. | 2021-08-31T21:15:50.86 | 3.0 | undecidable | manual | Pn | 0.51 | 0 | |||
IV.MABI.HHZ. | 2021-08-31T21:15:50.78 | 3.0 | undecidable | manual | Pn | -0.75 | 0 | |||
IV.BOZZ.EHZ. | 2021-08-31T21:15:42.58 | 3.0 | negative | manual | Pn | -4.15 | 0 | |||
CH.DIX.HHZ. | 2021-08-31T21:15:27.70 | 3.0 | negative | manual | Pn | -4.1 | 0 | |||
GU.RSP.HHE. | 2021-08-31T21:15:24.56 | 1.0 | undecidable | manual | S | 23 | 86.4468 | 50 | 0.34 | 21 |
FR.SAOF.HHE.00 | 2021-08-31T21:15:21.53 | 0.6 | undecidable | manual | S | 130 | 76.1682 | 50 | 0.06 | 45 |
GU.ENR.HHZ. | 2021-08-31T21:15:15.30 | 0.3 | undecidable | manual | S | 116 | 52.1034 | 50 | 0.24 | 68 |
GU.RRL.HHZ. | 2021-08-31T21:15:15.09 | 0.3 | undecidable | manual | S | 357 | 54.2013 | 50 | -0.51 | 64 |
GU.RSP.HHE. | 2021-08-31T21:15:14.25 | 0.3 | undecidable | manual | P | 23 | 86.4468 | 50 | 0.92 | 51 |
GU.STV.HHZ. | 2021-08-31T21:15:12.63 | 0.3 | undecidable | manual | S | 118 | 44.8218 | 50 | -0.47 | 65 |
FR.SAOF.HHE.00 | 2021-08-31T21:15:11.92 | 0.3 | undecidable | manual | P | 130 | 76.1682 | 50 | 0.18 | 66 |
GU.BHB.HHZ. | 2021-08-31T21:15:09.39 | 0.3 | undecidable | manual | P | 38 | 56.3991 | 50 | 0.7 | 59 |
GU.ENR.HHZ. | 2021-08-31T21:15:08.01 | 0.3 | undecidable | manual | P | 116 | 52.1034 | 50 | -0.03 | 71 |
GU.RRL.HHZ. | 2021-08-31T21:15:08.01 | 0.1 | undecidable | manual | P | 357 | 54.2013 | 50 | -0.35 | 88 |
GU.PZZ.HHZ. | 2021-08-31T21:15:07.38 | 0.3 | undecidable | manual | S | 70 | 24.2535 | 112 | -0.19 | 72 |
GU.STV.HHZ. | 2021-08-31T21:15:06.76 | 0.1 | undecidable | manual | P | 118 | 44.8218 | 50 | -0.16 | 93 |
GU.PZZ.HHZ. | 2021-08-31T21:15:03.72 | 0.1 | undecidable | manual | P | 70 | 24.2535 | 112 | 0 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
GU.PZZ.HHN. | ML:0.8 | 0.00003637843 | 0.0768 | AML | other | m | 2021-08-31T21:15:07.71 |
GU.PZZ.HHE. | ML:0.9 | 0.000049500000000000004 | 0.12 | AML | other | m | 2021-08-31T21:15:08.36 |
GU.STV.HHE. | ML:0.2 | 0.0000061418995 | 0.1408 | AML | other | m | 2021-08-31T21:15:13.43 |
GU.STV.HHN. | ML:0.2 | 0.000005097849 | 0.0768 | AML | other | m | 2021-08-31T21:15:13.13 |
GU.ENR.HHE. | ML:0.3 | 0.000005346332 | 0.9984 | AML | other | m | 2021-08-31T21:15:15.28 |
GU.ENR.HHN. | ML:0.3 | 0.0000066374895 | 0.0896 | AML | other | m | 2021-08-31T21:15:15.99 |
GU.RRL.HHE. | ML:0.3 | 0.0000067816154999999995 | 0.2432 | AML | other | m | 2021-08-31T21:15:15.88 |
GU.RRL.HHN. | ML:0.3 | 0.000005066051000000001 | 0.4992 | AML | other | m | 2021-08-31T21:15:15.59 |