A magnitude ML 1.0 earthquake occured in region: 4 km NW Acquasparta (TR), on
and geographic coordinates (lat, lon) 42.7180, 12.5120 at 9 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 |
---|---|---|---|---|
Acquasparta | TR | 4 | 4778 | 4778 |
Massa Martana | PG | 7 | 3770 | 8548 |
Montecastrilli | TR | 8 | 5022 | 13570 |
Avigliano Umbro | TR | 10 | 2558 | 16128 |
Todi | PG | 11 | 16851 | 32979 |
San Gemini | TR | 12 | 5018 | 37997 |
Giano dell'Umbria | PG | 14 | 3846 | 41843 |
Castel Ritaldi | PG | 18 | 3278 | 45121 |
Spoleto | PG | 19 | 38218 | 83339 |
Monte Castello di Vibio | PG | 19 | 1567 | 84906 |
Montecchio | TR | 19 | 1676 | 86582 |
Amelia | TR | 19 | 11897 | 98479 |
Fratta Todina | PG | 20 | 1839 | 100318 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.0 | 2023-07-18 00:00:41 |
42.7185 | 12.5122 | 9 | 2023-07-18 01:38:29 |
Sala Sismica INGV-Roma | 119357741 |
Field | Value |
---|---|
Time (UTC) | 2023-07-18 00:00:41 ± 0.1 |
Latitude | 42.7185 ± 0.0054 |
Longitude | 12.5122 ± 0.0061 |
Depth (km) | 9 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 119357741 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 552 |
Semi-minor axis of confidence ellipse (meter) | 415 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 201 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 550.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 134 |
Number of associated phases, regardless of their use for origin computation | 21 |
Number of defining phases | 21 |
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) | 0.09533 |
Epicentral distance of station farthest from the epicenter (degree) | 0.64032 |
Number of stations at which the event was observed | 12 |
Number of stations from which data was used for origin computation | 12 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.2 |
Num. used stations | 14 |
Type of magnitude | ML |
Reference to an origin | 119357741 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-07-18 01:38:29 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.SACS.HHZ. | 2023-07-18T00:00:58.77 | 0.1 | undecidable | manual | S | 287 | 51.1155 | 50 | 0.61 | 81 |
IV.NRCA.HHZ. | 2023-07-18T00:00:58.40 | 0.1 | undecidable | manual | S | 75 | 50.7159 | 50 | 0.37 | 87 |
IV.CESI.HHZ. | 2023-07-18T00:00:56.98 | 0.1 | undecidable | manual | S | 45 | 45.0216 | 50 | 0.45 | 87 |
IV.MGAB.HHZ. | 2023-07-18T00:00:54.64 | 0.1 | undecidable | manual | S | 304 | 39.0276 | 50 | -0.29 | 91 |
IV.ASSB.HHE. | 2023-07-18T00:00:54.61 | 0.1 | undecidable | manual | S | 18 | 37.8288 | 50 | -0.01 | 96 |
IV.ATMI.HHZ. | 2023-07-18T00:00:54.69 | 0.6 | positive | manual | P | 344 | 71.0733 | 50 | 0.44 | 41 |
IV.SMA1.EHZ. | 2023-07-18T00:00:53.58 | 1.0 | undecidable | manual | P | 98 | 67.8765 | 50 | -0.17 | 22 |
IV.FDMO.HHZ. | 2023-07-18T00:00:52.40 | 1.0 | negative | manual | P | 53 | 58.5969 | 50 | 0.08 | 23 |
IV.GAVE.HNN. | 2023-07-18T00:00:52.59 | 0.1 | undecidable | manual | S | 95 | 31.2465 | 50 | -0.27 | 92 |
IV.ARRO.EHZ. | 2023-07-18T00:00:51.36 | 0.1 | undecidable | manual | S | 127 | 25.8519 | 110 | 0.21 | 94 |
IV.NRCA.HHZ. | 2023-07-18T00:00:50.97 | 0.6 | positive | manual | P | 75 | 50.7159 | 50 | -0.13 | 46 |
IV.CESI.HHZ. | 2023-07-18T00:00:50.12 | 0.1 | undecidable | manual | P | 45 | 45.0216 | 50 | -0.12 | 93 |
IV.SACS.HHZ. | 2023-07-18T00:00:50.94 | 0.6 | positive | manual | P | 287 | 51.1155 | 50 | -0.24 | 45 |
IV.MGAB.HHZ. | 2023-07-18T00:00:49.11 | 0.6 | undecidable | manual | P | 304 | 39.0276 | 50 | -0.2 | 46 |
IV.ASSB.HHE. | 2023-07-18T00:00:48.88 | 0.1 | undecidable | manual | P | 18 | 37.8288 | 50 | -0.25 | 91 |
IV.GAVE.HNN. | 2023-07-18T00:00:47.58 | 0.1 | undecidable | manual | P | 95 | 31.2465 | 50 | -0.54 | 87 |
IV.ARRO.EHZ. | 2023-07-18T00:00:47.22 | 0.6 | undecidable | manual | P | 127 | 25.8519 | 110 | 0.09 | 48 |
IV.CESX.HHZ. | 2023-07-18T00:00:47.46 | 0.1 | undecidable | manual | S | 153 | 13.6752 | 124 | 0.12 | 98 |
IT.GNU.HGZ. | 2023-07-18T00:00:46.55 | 0.1 | undecidable | manual | S | 27 | 10.5783 | 131 | 0.05 | 100 |
IV.CESX.HHZ. | 2023-07-18T00:00:44.74 | 1.0 | undecidable | manual | P | 153 | 13.6752 | 124 | -0.19 | 24 |
IT.GNU.HGZ. | 2023-07-18T00:00:44.30 | 0.1 | undecidable | manual | P | 27 | 10.5783 | 131 | -0.14 | 98 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.CESX.HHE. | ML:1.2 | 0.00017549999999999998 | 0.48 | AML | other | m | 2023-07-18T00:00:49.00 |
IV.CESX.HHN. | ML:1.3 | 0.00023199999999999997 | 0.6 | AML | other | m | 2023-07-18T00:00:49.32 |
IV.ARRO.EHE. | ML:1.1 | 0.00007694999999999999 | 0.2 | AML | other | m | 2023-07-18T00:00:52.22 |
IV.ARRO.EHN. | ML:0.9 | 0.0000485 | 1.58 | AML | other | m | 2023-07-18T00:00:53.16 |
IV.MGAB.HHN. | ML:1.4 | 0.0000826 | 1.18 | AML | other | m | 2023-07-18T00:00:55.74 |
IV.MGAB.HHE. | ML:1.5 | 0.00010395 | 0.26 | AML | other | m | 2023-07-18T00:00:56.37 |
IV.NRCA.HHN. | ML:1.0 | 0.000025849999999999998 | 0.12 | AML | other | m | 2023-07-18T00:00:58.76 |
IV.SACS.HHN. | ML:0.6 | 0.00001103 | 1.18 | AML | other | m | 2023-07-18T00:01:00.39 |
IV.NRCA.HHE. | ML:1.0 | 0.0000272 | 0.14 | AML | other | m | 2023-07-18T00:01:00.60 |
IV.FDMO.HHE. | ML:0.8 | 0.00001475 | 0.98 | AML | other | m | 2023-07-18T00:01:02.46 |
IV.FDMO.HHN. | ML:0.7 | 0.00000949 | 0.74 | AML | other | m | 2023-07-18T00:01:02.84 |
IV.SMA1.EHE. | ML:1.1 | 0.000017749999999999998 | 0.78 | AML | other | m | 2023-07-18T00:01:04.57 |
IV.SACS.HHE. | ML:0.8 | 0.00001455 | 0.54 | AML | other | m | 2023-07-18T00:01:06.24 |
IV.SMA1.EHN. | ML:1.1 | 0.0000183 | 0.4 | AML | other | m | 2023-07-18T00:01:06.28 |