A magnitude ML 1.8 earthquake occured in region: 2 km S Montecastrilli (TR), on
and geographic coordinates (lat, lon) 42.6330, 12.4860 at 6 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 | 5 | 2558 | 7580 |
San Gemini | TR | 5 | 5018 | 12598 |
Acquasparta | TR | 8 | 4778 | 17376 |
Amelia | TR | 10 | 11897 | 29273 |
Narni | TR | 13 | 19785 | 49058 |
Lugnano in Teverina | TR | 14 | 1494 | 50552 |
Terni | TR | 15 | 111501 | 162053 |
Guardea | TR | 15 | 1836 | 163889 |
Massa Martana | PG | 16 | 3770 | 167659 |
Alviano | TR | 16 | 1463 | 169122 |
Montecchio | TR | 17 | 1676 | 170798 |
Todi | PG | 18 | 16851 | 187649 |
Penna in Teverina | TR | 19 | 1099 | 188748 |
Giove | TR | 19 | 1928 | 190676 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.8 | 2023-08-23 19:58:19 |
42.6333 | 12.4865 | 6 | 2023-08-23 20:17:12 |
Sala Sismica INGV-Roma | 120418511 |
Field | Value |
---|---|
Time (UTC) | 2023-08-23 19:58:19 ± 0.1 |
Latitude | 42.6333 ± 0.0045 |
Longitude | 12.4865 ± 0.0061 |
Depth (km) | 6 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 120418511 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 476 |
Semi-minor axis of confidence ellipse (meter) | 296 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 320 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 480.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 101 |
Number of associated phases, regardless of their use for origin computation | 52 |
Number of defining phases | 40 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.27 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.79680 |
Number of stations at which the event was observed | 34 |
Number of stations from which data was used for origin computation | 22 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.2 |
Num. used stations | 14 |
Type of magnitude | ML |
Reference to an origin | 120418511 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-08-23 20:17:12 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
NI.VINO.HHZ. | 2023-08-23T20:00:03.55 | 3.0 | undecidable | manual | Sn | 2.13 | 0 | |||
IV.MAGA.HHZ. | 2023-08-23T19:59:59.10 | 3.0 | undecidable | manual | Sn | 3.03 | 0 | |||
IV.MTMR.EHZ. | 2023-08-23T19:59:43.09 | 3.0 | undecidable | manual | Sg | 3.34 | 0 | |||
IV.GATE.HHZ. | 2023-08-23T19:59:29.41 | 3.0 | undecidable | manual | Sg | 0.57 | 0 | |||
RF.GEPF.HHZ. | 2023-08-23T19:59:14.33 | 3.0 | positive | manual | Pn | -3.7 | 0 | |||
IV.VOBA.EHZ. | 2023-08-23T19:59:11.04 | 3.0 | positive | manual | Pn | -2.8 | 0 | |||
IV.LRP.EHZ. | 2023-08-23T19:59:02.51 | 3.0 | undecidable | manual | S | -6.89 | 0 | |||
IV.CSNT.HHZ. | 2023-08-23T19:58:47.52 | 3.0 | undecidable | manual | P | 2.02 | 0 | |||
IV.CAFI.HNE. | 2023-08-23T19:58:46.83 | 0.6 | undecidable | manual | S | 332 | 87.9453 | 50 | -0.13 | 44 |
IV.MF5.EHZ. | 2023-08-23T19:58:46.53 | 1.0 | undecidable | manual | S | 63 | 88.4448 | 50 | -0.54 | 20 |
IV.TSM3.DHZ. | 2023-08-23T19:58:45.99 | 0.6 | undecidable | manual | S | 353 | 83.8494 | 50 | 0.15 | 45 |
IV.SNTG.HNE. | 2023-08-23T19:58:44.08 | 0.6 | undecidable | manual | S | 28 | 78.1662 | 50 | -0.26 | 44 |
IV.CSP1.EHZ. | 2023-08-23T19:58:44.24 | 0.6 | undecidable | manual | S | 49 | 77.4669 | 50 | 0.1 | 46 |
IV.MURB.HNN. | 2023-08-23T19:58:42.13 | 0.6 | undecidable | manual | S | 3 | 69.8745 | 50 | 0 | 47 |
IV.CRE.HHZ. | 2023-08-23T19:58:42.28 | 3.0 | undecidable | manual | P | 0.53 | 0 | |||
IV.SMA1.EHZ. | 2023-08-23T19:58:41.77 | 0.6 | undecidable | manual | S | 90 | 69.2751 | 50 | -0.19 | 45 |
IV.MML1.HNN. | 2023-08-23T19:58:40.72 | 0.6 | undecidable | manual | S | 36 | 66.2781 | 50 | -0.44 | 43 |
IV.FDMO.HHZ. | 2023-08-23T19:58:40.96 | 1.0 | undecidable | manual | S | 47 | 66.2781 | 50 | -0.19 | 23 |
IV.RM33.EHZ. | 2023-08-23T19:58:39.91 | 0.6 | undecidable | manual | S | 103 | 61.0944 | 50 | 0.14 | 47 |
IV.NRCA.HHZ. | 2023-08-23T19:58:38.27 | 0.6 | undecidable | manual | S | 66 | 55.7997 | 50 | -0.08 | 48 |
IV.CESI.HNN. | 2023-08-23T19:58:37.04 | 0.6 | undecidable | manual | S | 39 | 53.4021 | 50 | -0.7 | 40 |
IV.SACS.HHE. | 2023-08-23T19:58:37.81 | 0.6 | undecidable | manual | S | 297 | 52.7028 | 50 | 0.27 | 46 |
IV.MF5.EHZ. | 2023-08-23T19:58:36.01 | 0.1 | undecidable | manual | P | 63 | 88.4448 | 50 | 0.39 | 84 |
IV.LNSS.HHZ. | 2023-08-23T19:58:35.71 | 0.6 | undecidable | manual | S | 94 | 45.3213 | 50 | 0.14 | 48 |
IV.TSM3.DHZ. | 2023-08-23T19:58:35.03 | 0.1 | undecidable | manual | P | 353 | 83.8494 | 50 | 0.12 | 90 |
IV.CAFI.HNE. | 2023-08-23T19:58:35.05 | 0.1 | undecidable | manual | P | 332 | 87.9453 | 50 | -0.5 | 82 |
IV.TSM2.DHZ. | 2023-08-23T19:58:35.34 | 0.1 | undecidable | manual | P | 0 | 84.6486 | 50 | 0.31 | 86 |
IV.TSM4.DH1. | 2023-08-23T19:58:34.48 | 0.6 | undecidable | manual | P | 349 | 76.368 | 50 | 0.72 | 38 |
IV.TSM1.DHN. | 2023-08-23T19:58:34.63 | 0.1 | undecidable | manual | P | 6 | 79.4649 | 50 | 0.39 | 85 |
IV.ATMI.HHZ. | 2023-08-23T19:58:34.47 | 3.0 | undecidable | manual | P | -0.68 | 0 | |||
IV.MCIV.CHN. | 2023-08-23T19:58:33.12 | 0.6 | undecidable | manual | P | 284 | 67.9764 | 50 | 0.65 | 40 |
IV.SMA1.EHZ. | 2023-08-23T19:58:33.54 | 1.0 | undecidable | manual | P | 90 | 69.2751 | 50 | 0.87 | 18 |
IV.SNTG.HNE. | 2023-08-23T19:58:33.50 | 0.1 | undecidable | manual | P | 28 | 78.1662 | 50 | -0.55 | 82 |
IV.CSP1.EHZ. | 2023-08-23T19:58:33.76 | 0.6 | undecidable | manual | P | 49 | 77.4669 | 50 | -0.17 | 45 |
IV.GAVE.HNZ. | 2023-08-23T19:58:32.37 | 0.6 | undecidable | manual | S | 79 | 33.9438 | 101 | 0.42 | 46 |
IV.FDMO.HHZ. | 2023-08-23T19:58:32.01 | 0.1 | undecidable | manual | P | 47 | 66.2781 | 50 | -0.19 | 91 |
IV.MURB.HNN. | 2023-08-23T19:58:32.90 | 0.1 | undecidable | manual | P | 3 | 69.8745 | 50 | 0.13 | 92 |
IV.RM33.EHZ. | 2023-08-23T19:58:31.68 | 1.0 | undecidable | manual | P | 103 | 61.0944 | 50 | 0.28 | 23 |
IV.MML1.HNN. | 2023-08-23T19:58:31.92 | 0.1 | undecidable | manual | P | 36 | 66.2781 | 50 | -0.29 | 89 |
IV.SACS.HHE. | 2023-08-23T19:58:30.24 | 0.1 | undecidable | manual | P | 297 | 52.7028 | 50 | 0.12 | 95 |
IV.NRCA.HHZ. | 2023-08-23T19:58:30.42 | 1.0 | undecidable | manual | P | 66 | 55.7997 | 50 | -0.17 | 23 |
IV.ASSB.HHZ. | 2023-08-23T19:58:29.10 | 3.0 | positive | manual | P | 0.88 | 0 | |||
IV.CESI.HNN. | 2023-08-23T19:58:29.99 | 0.1 | undecidable | manual | P | 39 | 53.4021 | 50 | -0.24 | 93 |
IV.LNSS.HHZ. | 2023-08-23T19:58:29.49 | 0.6 | undecidable | manual | P | 94 | 45.3213 | 50 | 0.51 | 44 |
IV.GAVE.HNZ. | 2023-08-23T19:58:27.50 | 0.6 | undecidable | manual | P | 79 | 33.9438 | 101 | 0.61 | 43 |
IV.MOMA.HNZ. | 2023-08-23T19:58:26.91 | 0.6 | undecidable | manual | S | 20 | 20.0688 | 108 | -0.39 | 47 |
IV.ORTE.EHZ. | 2023-08-23T19:58:26.99 | 0.6 | undecidable | manual | S | 204 | 20.868 | 107 | -0.57 | 45 |
IT.GNU.HGZ. | 2023-08-23T19:58:26.93 | 0.6 | undecidable | manual | S | 20 | 20.0688 | 108 | -0.37 | 48 |
IV.ARRO.EHZ. | 2023-08-23T19:58:25.89 | 3.0 | undecidable | manual | P | -2.18 | 0 | |||
IV.MOMA.HNZ. | 2023-08-23T19:58:24.45 | 0.1 | undecidable | manual | P | 20 | 20.0688 | 108 | 0.25 | 98 |
IT.GNU.HGZ. | 2023-08-23T19:58:24.35 | 0.1 | undecidable | manual | P | 20 | 20.0688 | 108 | 0.15 | 100 |
IV.ORTE.EHZ. | 2023-08-23T19:58:23.98 | 0.1 | undecidable | manual | P | 204 | 20.868 | 107 | -0.38 | 95 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.LNSS.HHN. | ML:1.7 | 0.000163 | 0.78 | AML | other | m | 2023-08-23T19:58:38.58 |
IV.LNSS.HHE. | ML:1.8 | 0.00017199999999999998 | 1.52 | AML | other | m | 2023-08-23T19:58:38.10 |
IV.NRCA.HHN. | ML:1.8 | 0.0001565 | 0.14 | AML | other | m | 2023-08-23T19:58:39.72 |
IV.NRCA.HHE. | ML:1.8 | 0.0001545 | 0.16 | AML | other | m | 2023-08-23T19:58:40.31 |
IV.FDMO.HHE. | ML:1.6 | 0.0000699 | 0.22 | AML | other | m | 2023-08-23T19:58:41.78 |
IV.FDMO.HHN. | ML:1.6 | 0.00006604999999999999 | 0.18 | AML | other | m | 2023-08-23T19:58:42.42 |
IV.RM33.EHE. | ML:1.6 | 0.00008330000000000002 | 0.32 | AML | other | m | 2023-08-23T19:58:44.59 |
IV.SMA1.EHE. | ML:1.9 | 0.00013000000000000002 | 0.3 | AML | other | m | 2023-08-23T19:58:44.78 |
IV.CRE.HHN. | ML:1.7 | 0.0000373 | 0.16 | AML | other | m | 2023-08-23T19:58:45.97 |
IV.RM33.EHN. | ML:1.5 | 0.0000635 | 1.54 | AML | other | m | 2023-08-23T19:58:47.15 |
IV.CRE.HHE. | ML:1.7 | 0.0000347 | 0.36 | AML | other | m | 2023-08-23T19:58:48.59 |
IV.CSP1.EHN. | ML:2.0 | 0.0001515 | 0.38 | AML | other | m | 2023-08-23T19:58:49.61 |
IV.CSP1.EHE. | ML:2.0 | 0.00013550000000000001 | 0.68 | AML | other | m | 2023-08-23T19:58:51.51 |
IV.SMA1.EHN. | ML:2.1 | 0.000216 | 0.42 | AML | other | m | 2023-08-23T19:59:00.99 |