A magnitude ML 1.6 earthquake occured in region: 2 km W Montecastrilli (TR), on
and geographic coordinates (lat, lon) 42.6570, 12.4680 at 7 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 |
---|---|---|---|---|
Montecastrilli | TR | 2 | 5022 | 5022 |
Avigliano Umbro | TR | 3 | 2558 | 7580 |
Acquasparta | TR | 8 | 4778 | 12358 |
San Gemini | TR | 8 | 5018 | 17376 |
Amelia | TR | 12 | 11897 | 29273 |
Massa Martana | PG | 14 | 3770 | 33043 |
Lugnano in Teverina | TR | 14 | 1494 | 34537 |
Guardea | TR | 14 | 1836 | 36373 |
Montecchio | TR | 15 | 1676 | 38049 |
Todi | PG | 15 | 16851 | 54900 |
Narni | TR | 16 | 19785 | 74685 |
Alviano | TR | 16 | 1463 | 76148 |
Terni | TR | 18 | 111501 | 187649 |
Giove | TR | 20 | 1928 | 189577 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.6 | 2023-08-24 11:26:03 |
42.6567 | 12.4682 | 7 | 2023-08-24 11:36:36 |
Sala Sismica INGV-Roma | 120435801 |
Field | Value |
---|---|
Time (UTC) | 2023-08-24 11:26:03 ± 0.23 |
Latitude | 42.6567 ± 0.0090 |
Longitude | 12.4682 ± 0.0122 |
Depth (km) | 7 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 120435801 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1096 |
Semi-minor axis of confidence ellipse (meter) | 733 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 41 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1100.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 186 |
Number of associated phases, regardless of their use for origin computation | 22 |
Number of defining phases | 22 |
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) | 0.69338 |
Number of stations at which the event was observed | 14 |
Number of stations from which data was used for origin computation | 14 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.2 |
Num. used stations | 9 |
Type of magnitude | ML |
Reference to an origin | 120435801 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-08-24 11:36:36 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CSP1.EHZ. | 2023-08-24T11:26:27.97 | 0.6 | undecidable | manual | S | 51 | 76.9674 | 50 | 0.35 | 58 |
IV.SMA1.EHZ. | 2023-08-24T11:26:26.97 | 0.6 | undecidable | manual | S | 92 | 70.7736 | 50 | 0.98 | 46 |
IV.ATFO.HHZ. | 2023-08-24T11:26:26.06 | 0.6 | undecidable | manual | S | -1.17 | 1.22 | |||
IV.MML1.EHZ. | 2023-08-24T11:26:24.78 | 0.6 | undecidable | manual | S | 39 | 65.1903 | 50 | 0.3 | 59 |
IV.NRCA.HHZ. | 2023-08-24T11:26:21.83 | 0.6 | undecidable | manual | S | 69 | 56.1993 | 50 | -0.25 | 61 |
IV.LNSS.HHZ. | 2023-08-24T11:26:19.29 | 0.6 | undecidable | manual | S | 97 | 47.1195 | 50 | -0.37 | 61 |
IV.CSP1.EHZ. | 2023-08-24T11:26:17.39 | 1.0 | negative | manual | P | 51 | 76.9674 | 50 | -0.16 | 30 |
IV.SMA1.EHZ. | 2023-08-24T11:26:16.97 | 0.6 | negative | manual | P | 92 | 70.7736 | 50 | 0.36 | 58 |
IV.MURB.HHE. | 2023-08-24T11:26:16.23 | 0.6 | undecidable | manual | P | 4 | 67.377 | 50 | 0.15 | 61 |
IV.GAVE.HNZ. | 2023-08-24T11:26:16.12 | 0.6 | undecidable | manual | S | 83 | 34.9428 | 102 | -0.05 | 66 |
IV.NRCA.HHZ. | 2023-08-24T11:26:14.00 | 0.3 | undecidable | manual | P | 69 | 56.1993 | 50 | -0.35 | 90 |
IV.MML1.EHZ. | 2023-08-24T11:26:14.56 | 1.0 | undecidable | manual | P | 39 | 65.1903 | 50 | -1.17 | 21 |
IV.CESI.HNZ. | 2023-08-24T11:26:13.56 | 0.3 | undecidable | manual | P | 42 | 52.503 | 50 | -0.22 | 93 |
IV.SACS.HHZ. | 2023-08-24T11:26:13.66 | 1.0 | undecidable | manual | P | 295 | 50.2164 | 50 | 0.22 | 31 |
IV.ASSB.HHZ. | 2023-08-24T11:26:12.64 | 0.3 | positive | manual | P | 0.91 | 1.83 | |||
IV.LNSS.HHZ. | 2023-08-24T11:26:12.70 | 0.3 | undecidable | manual | P | 97 | 47.1195 | 50 | -0.25 | 93 |
IV.GAVE.HNZ. | 2023-08-24T11:26:11.01 | 0.6 | undecidable | manual | P | 83 | 34.9428 | 102 | 0.08 | 66 |
IT.GNU.HGZ. | 2023-08-24T11:26:10.45 | 0.6 | undecidable | manual | S | 27 | 18.2706 | 112 | -0.17 | 67 |
IV.MOMA.HNZ. | 2023-08-24T11:26:10.50 | 0.6 | undecidable | manual | S | 27 | 18.3705 | 112 | -0.12 | 67 |
IV.ARRO.EHZ. | 2023-08-24T11:26:09.38 | 1.0 | positive | manual | P | -1.23 | 0.61 | |||
IV.MOMA.HNZ. | 2023-08-24T11:26:07.89 | 0.3 | undecidable | manual | P | 27 | 18.3705 | 112 | 0.16 | 100 |
IT.GNU.HGZ. | 2023-08-24T11:26:07.94 | 0.3 | undecidable | manual | P | 27 | 18.2706 | 112 | 0.21 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.6 | 0.00008715 | 0.12 | AML | other | m | 2023-08-24T11:26:23.24 |
IV.NRCA.HHE. | ML:1.6 | 0.00008895000000000001 | 0.14 | AML | other | m | 2023-08-24T11:26:23.82 |
IV.MML1.EHN. | ML:1.1 | 0.00002525 | 0.2 | AML | other | m | 2023-08-24T11:26:27.60 |
IV.SMA1.EHN. | ML:1.6 | 0.00006459999999999998 | 0.24 | AML | other | m | 2023-08-24T11:26:27.89 |
IV.SMA1.EHE. | ML:1.6 | 0.0000674 | 1.08 | AML | other | m | 2023-08-24T11:26:28.29 |
IV.MML1.EHE. | ML:1.4 | 0.00004485 | 0.24 | AML | other | m | 2023-08-24T11:26:30.22 |
IV.MF5.EHN. | ML:1.7 | 0.0000571 | 0.62 | AML | other | m | 2023-08-24T11:26:32.54 |
IV.CSP1.EHN. | ML:1.6 | 0.000064 | 0.38 | AML | other | m | 2023-08-24T11:26:33.31 |
IV.MF5.EHE. | ML:1.8 | 0.00007105 | 0.42 | AML | other | m | 2023-08-24T11:26:33.78 |