A magnitude ML 0.9 earthquake occured in region: 4 km SW Trevi (PG), on
and geographic coordinates (lat, lon) 42.8430, 12.7310 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 |
---|---|---|---|---|
Trevi | PG | 4 | 8469 | 8469 |
Campello sul Clitunno | PG | 5 | 2442 | 10911 |
Castel Ritaldi | PG | 5 | 3278 | 14189 |
Montefalco | PG | 9 | 5679 | 19868 |
Spoleto | PG | 12 | 38218 | 58086 |
Giano dell'Umbria | PG | 13 | 3846 | 61932 |
Foligno | PG | 13 | 57155 | 119087 |
Vallo di Nera | PG | 14 | 364 | 119451 |
Bevagna | PG | 14 | 5081 | 124532 |
Sant'Anatolia di Narco | PG | 15 | 564 | 125096 |
Cerreto di Spoleto | PG | 15 | 1075 | 126171 |
Gualdo Cattaneo | PG | 16 | 6155 | 132326 |
Scheggino | PG | 17 | 461 | 132787 |
Sellano | PG | 17 | 1079 | 133866 |
Spello | PG | 17 | 8645 | 142511 |
Massa Martana | PG | 19 | 3770 | 146281 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2023-08-21 21:05:33 |
42.8432 | 12.7312 | 9 | 2023-08-21 21:23:47 |
Sala Sismica INGV-Roma | 120364051 |
Field | Value |
---|---|
Time (UTC) | 2023-08-21 21:05:33 ± 0.05 |
Latitude | 42.8432 ± 0.0054 |
Longitude | 12.7312 ± 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 | 120364051 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 667 |
Semi-minor axis of confidence ellipse (meter) | 373 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 224 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 670.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 110 |
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) | 0.17 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.49193 |
Number of stations at which the event was observed | 13 |
Number of stations from which data was used for origin computation | 13 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.1 |
Num. used stations | 9 |
Type of magnitude | ML |
Reference to an origin | 120364051 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-08-21 21:23:47 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ARVD.HHZ. | 2023-08-21T21:05:56.43 | 0.6 | undecidable | manual | S | -0.16 | 1 | |||
IV.MMO1.EHZ. | 2023-08-21T21:05:49.43 | 0.1 | undecidable | manual | S | 82 | 48.8178 | 50 | 0.31 | 90 |
IV.LNSS.HHE. | 2023-08-21T21:05:46.01 | 0.6 | undecidable | manual | S | 137 | 36.6411 | 50 | 0.14 | 47 |
IV.MML1.EHZ. | 2023-08-21T21:05:45.47 | 0.1 | undecidable | manual | S | 33 | 35.8419 | 50 | -0.17 | 96 |
IV.FDMO.HHZ. | 2023-08-21T21:05:45.54 | 0.1 | undecidable | manual | S | 53 | 36.0417 | 50 | -0.16 | 96 |
IV.NRCA.HHZ. | 2023-08-21T21:05:44.36 | 0.1 | undecidable | manual | S | 92 | 31.1466 | 50 | -0.05 | 100 |
IV.ARRO.EHZ. | 2023-08-21T21:05:44.29 | 0.6 | negative | manual | P | 0.12 | 1 | |||
IV.FEMA.HNE. | 2023-08-21T21:05:44.07 | 0.1 | undecidable | manual | S | 63 | 29.0487 | 107 | 0.35 | 96 |
IV.SMA1.EHZ. | 2023-08-21T21:05:43.36 | 1.0 | negative | manual | P | 115 | 54.6009 | 50 | 0.1 | 23 |
IV.MMO1.EHZ. | 2023-08-21T21:05:42.26 | 1.0 | undecidable | manual | P | 82 | 48.8178 | 50 | -0.12 | 24 |
IV.MURB.HHZ. | 2023-08-21T21:05:42.59 | 0.6 | undecidable | manual | P | 340 | 49.5171 | 50 | 0.12 | 47 |
IV.GAVE.EHN. | 2023-08-21T21:05:41.21 | 0.3 | undecidable | manual | S | 142 | 21.3675 | 113 | 0 | 75 |
IV.FDMO.HHZ. | 2023-08-21T21:05:40.31 | 0.6 | positive | manual | P | 53 | 36.0417 | 50 | -0.09 | 49 |
IV.LNSS.HHE. | 2023-08-21T21:05:40.26 | 0.1 | undecidable | manual | P | 137 | 36.6411 | 50 | -0.24 | 96 |
IV.MML1.EHZ. | 2023-08-21T21:05:40.27 | 1.0 | undecidable | manual | P | 33 | 35.8419 | 50 | -0.09 | 24 |
IV.FEMA.HNE. | 2023-08-21T21:05:39.37 | 0.1 | undecidable | manual | P | 63 | 29.0487 | 107 | 0.11 | 99 |
IV.NRCA.HHZ. | 2023-08-21T21:05:39.49 | 0.1 | positive | manual | P | 92 | 31.1466 | 50 | -0.16 | 97 |
IV.MOMA.HHZ. | 2023-08-21T21:05:38.77 | 0.3 | undecidable | manual | S | 252 | 13.7751 | 123 | -0.11 | 76 |
IT.GNU.HGN. | 2023-08-21T21:05:38.75 | 0.3 | undecidable | manual | S | 252 | 13.7751 | 123 | -0.13 | 75 |
IV.GAVE.EHN. | 2023-08-21T21:05:37.72 | 0.1 | undecidable | manual | P | 142 | 21.3675 | 113 | -0.09 | 99 |
IV.MOMA.HHZ. | 2023-08-21T21:05:36.62 | 0.3 | undecidable | manual | P | 252 | 13.7751 | 123 | 0.15 | 75 |
IT.GNU.HGN. | 2023-08-21T21:05:36.71 | 0.1 | undecidable | manual | P | 252 | 13.7751 | 123 | 0.25 | 98 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:1.0 | 0.00004576577 | 0.1408 | AML | other | m | 2023-08-21T21:05:46.21 |
IV.MML1.EHN. | ML:0.8 | 0.000025298365000000003 | 0.1408 | AML | other | m | 2023-08-21T21:05:45.99 |
IV.FDMO.HHN. | ML:0.8 | 0.000025149999999999998 | 0.18 | AML | other | m | 2023-08-21T21:05:46.13 |
IV.FDMO.HHE. | ML:1.0 | 0.000035449999999999994 | 0.86 | AML | other | m | 2023-08-21T21:05:46.55 |
IV.MML1.EHE. | ML:0.7 | 0.000020131145 | 0.1152 | AML | other | m | 2023-08-21T21:05:46.63 |
IV.NRCA.HHN. | ML:1.0 | 0.00004611172 | 0.1024 | AML | other | m | 2023-08-21T21:05:46.45 |
IV.MML1.HNE. | ML:1.1 | 0.000057476305 | 0.256 | AML | other | m | 2023-08-21T21:05:48.23 |
IV.SMA1.EHE. | ML:0.9 | 0.000022023045 | 0.3072 | AML | other | m | 2023-08-21T21:05:58.29 |
IV.SMA1.EHN. | ML:0.8 | 0.000014724285 | 0.384 | AML | other | m | 2023-08-21T21:05:53.56 |