A magnitude ML 1.7 earthquake occured in region: 3 km NE Montecastrilli (TR), on
and geographic coordinates (lat, lon) 42.6680, 12.5220 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 |
---|---|---|---|---|
Montecastrilli | TR | 3 | 5022 | 5022 |
Acquasparta | TR | 3 | 4778 | 9800 |
San Gemini | TR | 6 | 5018 | 14818 |
Avigliano Umbro | TR | 8 | 2558 | 17376 |
Massa Martana | PG | 12 | 3770 | 21146 |
Amelia | TR | 15 | 11897 | 33043 |
Terni | TR | 16 | 111501 | 144544 |
Todi | PG | 16 | 16851 | 161395 |
Narni | TR | 16 | 19785 | 181180 |
Lugnano in Teverina | TR | 19 | 1494 | 182674 |
Guardea | TR | 19 | 1836 | 184510 |
Montecchio | TR | 19 | 1676 | 186186 |
Giano dell'Umbria | PG | 19 | 3846 | 190032 |
Spoleto | PG | 19 | 38218 | 228250 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.7 | 2023-07-28 00:28:03 |
42.668 | 12.5217 | 10 | 2023-07-28 00:39:16 |
Sala Sismica INGV-Roma | 119638261 |
Field | Value |
---|---|
Time (UTC) | 2023-07-28 00:28:03 ± 0.14 |
Latitude | 42.6680 ± 0.0090 |
Longitude | 12.5217 ± 0.0110 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 119638261 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1140 |
Semi-minor axis of confidence ellipse (meter) | 710 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 33 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1140.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 151 |
Number of associated phases, regardless of their use for origin computation | 24 |
Number of defining phases | 14 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.29 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.77522 |
Number of stations at which the event was observed | 18 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.3 |
Num. used stations | 50 |
Type of magnitude | ML |
Reference to an origin | 119638261 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-07-28 00:39:16 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MF5.EHZ. | 2023-07-28T00:28:32.84 | 3.0 | undecidable | manual | S | 2 | 0 | |||
IV.CAFI.HHZ. | 2023-07-28T00:28:30.20 | 0.3 | undecidable | manual | S | 329 | 86.0472 | 50 | 0.76 | 55 |
IV.CSP1.EHZ. | 2023-07-28T00:28:27.15 | 3.0 | undecidable | manual | S | -0.13 | 0 | |||
IV.VVLD.HHZ. | 2023-07-28T00:28:26.60 | 3.0 | undecidable | manual | P | 0.97 | 0 | |||
IV.CESI.HNN. | 2023-07-28T00:28:19.73 | 0.6 | undecidable | manual | S | 40 | 48.618 | 50 | 0.28 | 46 |
IV.CAFI.HHZ. | 2023-07-28T00:28:18.88 | 0.6 | undecidable | manual | P | 329 | 86.0472 | 50 | 0.29 | 42 |
IV.MGAB.HHZ. | 2023-07-28T00:28:17.52 | 0.6 | undecidable | manual | S | 309 | 43.0236 | 50 | -0.42 | 45 |
IV.ASSB.HHZ. | 2023-07-28T00:28:17.82 | 0.6 | undecidable | manual | S | 15 | 43.0236 | 50 | -0.13 | 48 |
IV.SMA1.EHZ. | 2023-07-28T00:28:16.41 | 3.0 | positive | manual | P | 0.29 | 0 | |||
IV.MMO1.EHZ. | 2023-07-28T00:28:16.37 | 3.0 | undecidable | manual | P | -0.29 | 0 | |||
IV.CSP1.EHZ. | 2023-07-28T00:28:16.73 | 3.0 | undecidable | manual | P | -0.21 | 0 | |||
IV.FIAM.HHZ. | 2023-07-28T00:28:16.01 | 3.0 | negative | manual | P | -0.09 | 0 | |||
7F.SIB3.EHE. | 2023-07-28T00:28:15.38 | 0.6 | undecidable | manual | P | 69 | 65.0904 | 50 | 0.02 | 47 |
IV.RM33.EHZ. | 2023-07-28T00:28:14.70 | 3.0 | negative | manual | P | -0.25 | 0 | |||
IV.GAVE.EHZ. | 2023-07-28T00:28:13.79 | 0.6 | undecidable | manual | S | 85 | 30.4473 | 50 | -0.81 | 40 |
IV.SACS.HHZ. | 2023-07-28T00:28:13.42 | 0.6 | positive | manual | P | 292 | 53.7018 | 50 | -0.19 | 46 |
IV.NRCA.HHZ. | 2023-07-28T00:28:13.39 | 3.0 | negative | manual | P | -0.13 | 0 | |||
IV.LNSS.HHZ. | 2023-07-28T00:28:12.50 | 3.0 | negative | manual | P | 0.3 | 0 | |||
IV.CESI.HNN. | 2023-07-28T00:28:12.79 | 0.6 | undecidable | manual | P | 40 | 48.618 | 50 | -0.03 | 48 |
IV.ASSB.HHZ. | 2023-07-28T00:28:11.90 | 0.1 | positive | manual | P | 15 | 43.0236 | 50 | -0.05 | 97 |
IV.MGAB.HHZ. | 2023-07-28T00:28:11.58 | 0.1 | negative | manual | P | 309 | 43.0236 | 50 | -0.37 | 91 |
IV.GAVE.EHZ. | 2023-07-28T00:28:10.00 | 0.6 | positive | manual | P | 85 | 30.4473 | 50 | -0.02 | 50 |
IV.ARRO.EHZ. | 2023-07-28T00:28:08.93 | 0.3 | negative | manual | P | 116 | 22.2555 | 114 | 0.29 | 72 |
IV.CESX.HHZ. | 2023-07-28T00:28:06.57 | 0.1 | positive | manual | P | 141 | 8.4804 | 140 | 0.18 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.CESX.HHE. | ML:1.7 | 0.00076 | 0.32 | AML | other | m | 2023-07-28T00:28:09.46 |
IV.CESX.HHN. | ML:1.8 | 0.00097330315 | 0.5796 | AML | other | m | 2023-07-28T00:28:09.42 |
IV.ARRO.EHE. | ML:1.7 | 0.000349784 | 0.38 | AML | other | m | 2023-07-28T00:28:13.62 |
IV.ARRO.EHN. | ML:1.8 | 0.00037914865 | 0.34 | AML | other | m | 2023-07-28T00:28:14.06 |
IV.GAVE.EHE. | ML:1.8 | 0.0002635 | 0.18 | AML | other | m | 2023-07-28T00:28:15.53 |
IV.GAVE.EHN. | ML:1.7 | 0.00023 | 1.48 | AML | other | m | 2023-07-28T00:28:17.24 |
IV.ASSB.HHN. | ML:1.3 | 0.0000659 | 1.78 | AML | other | m | 2023-07-28T00:28:18.92 |
IV.ASSB.HHE. | ML:1.4 | 0.0000859 | 0.38 | AML | other | m | 2023-07-28T00:28:18.28 |
IV.MGAB.HHN. | ML:1.8 | 0.00019802255 | 0.16 | AML | other | m | 2023-07-28T00:28:19.18 |
IV.MGAB.HHE. | ML:1.7 | 0.00014931705 | 0.34 | AML | other | m | 2023-07-28T00:28:20.98 |
IV.LNSS.HHE. | ML:1.8 | 0.00021045755 | 0.38 | AML | other | m | 2023-07-28T00:28:21.39 |
IV.LNSS.HHN. | ML:1.9 | 0.000239731 | 0.18 | AML | other | m | 2023-07-28T00:28:20.39 |
IV.NRCA.HHE. | ML:1.5 | 0.000077 | 1.12 | AML | other | m | 2023-07-28T00:28:22.66 |
IV.SACS.HHN. | ML:1.1 | 0.00003045056 | 0.82 | AML | other | m | 2023-07-28T00:28:28.38 |
IV.NRCA.HHN. | ML:1.5 | 0.00008405000000000001 | 0.12 | AML | other | m | 2023-07-28T00:28:24.17 |
IV.RM33.EHE. | ML:1.7 | 0.00010185 | 0.28 | AML | other | m | 2023-07-28T00:28:25.08 |
IV.RM33.EHN. | ML:1.7 | 0.0000964 | 0.26 | AML | other | m | 2023-07-28T00:28:25.38 |
IV.SACS.HHE. | ML:1.2 | 0.0000352737 | 0.46 | AML | other | m | 2023-07-28T00:28:23.63 |
IV.SMA1.EHN. | ML:1.8 | 0.0001135 | 0.52 | AML | other | m | 2023-07-28T00:28:27.94 |
IV.SMA1.EHE. | ML:2.0 | 0.000179 | 0.28 | AML | other | m | 2023-07-28T00:28:27.97 |
IV.MMO1.EHE. | ML:1.5 | 0.00004978214 | 0.7 | AML | other | m | 2023-07-28T00:28:28.40 |
IV.MMO1.EHN. | ML:1.6 | 0.00006775000000000001 | 0.44 | AML | other | m | 2023-07-28T00:28:32.07 |
IV.CAFI.HHN. | ML:1.2 | 0.0000206 | 1.28 | AML | other | m | 2023-07-28T00:28:34.98 |
IV.CAFI.HHE. | ML:1.2 | 0.000022 | 0.88 | AML | other | m | 2023-07-28T00:28:35.10 |
IV.GAVE.HNE. | ML:1.7 | 0.00024779355 | 0.16 | AML | other | m | 2023-07-28T00:28:15.44 |
IV.GAVE.HNN. | ML:1.6 | 0.00020540190000000003 | 3.1696 | AML | other | m | 2023-07-28T00:28:09.59 |
IV.MGAB.HNE. | ML:1.6 | 0.000140728985 | 0.69 | AML | other | m | 2023-07-28T00:28:20.22 |
IV.MGAB.HNN. | ML:1.8 | 0.00019704935000000001 | 0.19 | AML | other | m | 2023-07-28T00:28:21.08 |
IV.LNSS.HNE. | ML:1.9 | 0.00023908945 | 0.8296 | AML | other | m | 2023-07-28T00:28:20.49 |
IV.LNSS.HNN. | ML:1.9 | 0.0002530366 | 0.59 | AML | other | m | 2023-07-28T00:28:20.10 |
IV.NRCA.HNE. | ML:1.8 | 0.00014003254999999997 | 0.97 | AML | other | m | 2023-07-28T00:28:31.63 |
IV.NRCA.HNN. | ML:1.9 | 0.00020228425 | 7.6596 | AML | other | m | 2023-07-28T00:28:37.18 |
IV.SACS.HNE. | ML:1.8 | 0.00013905362 | 0.9104 | AML | other | m | 2023-07-28T00:28:32.04 |
IV.SACS.HNN. | ML:1.8 | 0.00017130325500000002 | 3.1 | AML | other | m | 2023-07-28T00:28:16.47 |
IV.RM33.HNE. | ML:1.9 | 0.0001567172 | 1.04 | AML | other | m | 2023-07-28T00:28:34.24 |
IV.RM33.HNN. | ML:1.8 | 0.0001428588 | 1.1204 | AML | other | m | 2023-07-28T00:28:27.12 |
IV.FIAM.HHE. | ML:1.2 | 0.00003130508 | 0.62 | AML | other | m | 2023-07-28T00:28:33.07 |
IV.FIAM.HHN. | ML:1.3 | 0.000037911345 | 0.8396 | AML | other | m | 2023-07-28T00:28:27.96 |
IV.FIAM.HNE. | ML:1.9 | 0.00014024947999999998 | 2.0396 | AML | other | m | 2023-07-28T00:28:18.87 |
IV.FIAM.HNN. | ML:1.9 | 0.00015158595 | 2.4 | AML | other | m | 2023-07-28T00:28:36.06 |
IV.MMO1.HNE. | ML:3.6 | 0.007464281 | 1.39 | AML | other | m | 2023-07-28T00:28:23.13 |
IV.MMO1.HNN. | ML:3.6 | 0.00650284 | 1.95 | AML | other | m | 2023-07-28T00:28:43.85 |
IV.CSP1.EHE. | ML:1.8 | 0.00009546468499999999 | 0.48 | AML | other | m | 2023-07-28T00:28:33.00 |
IV.CSP1.EHN. | ML:1.8 | 0.00008843596 | 1.08 | AML | other | m | 2023-07-28T00:28:32.38 |
IV.CAFI.HNE. | ML:1.7 | 0.00005986354000000001 | 4.9 | AML | other | m | 2023-07-28T00:28:49.19 |
IV.CAFI.HNN. | ML:1.6 | 0.00005744197 | 14.79 | AML | other | m | 2023-07-28T00:28:52.53 |
IV.VVLD.HHE. | ML:1.3 | 0.000013642125000000001 | 3.48 | AML | other | m | 2023-07-28T00:28:37.70 |
IV.VVLD.HHN. | ML:1.3 | 0.000016764974999999998 | 2.38 | AML | other | m | 2023-07-28T00:28:40.98 |
IV.VVLD.HNE. | ML:2.3 | 0.00014911885 | 3.93 | AML | other | m | 2023-07-28T00:29:04.09 |
IV.VVLD.HNN. | ML:2.3 | 0.0001417272 | 2.65 | AML | other | m | 2023-07-28T00:28:45.21 |