A magnitude ML 0.8 earthquake occured in region: 5 km N Vallo di Nera (PG), on
and geographic coordinates (lat, lon) 42.8130, 12.8540 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 |
---|---|---|---|---|
Vallo di Nera | PG | 5 | 364 | 364 |
Cerreto di Spoleto | PG | 5 | 1075 | 1439 |
Campello sul Clitunno | PG | 6 | 2442 | 3881 |
Sant'Anatolia di Narco | PG | 9 | 564 | 4445 |
Sellano | PG | 10 | 1079 | 5524 |
Scheggino | PG | 11 | 461 | 5985 |
Trevi | PG | 11 | 8469 | 14454 |
Spoleto | PG | 13 | 38218 | 52672 |
Poggiodomo | PG | 13 | 117 | 52789 |
Castel Ritaldi | PG | 15 | 3278 | 56067 |
Cascia | PG | 17 | 3217 | 59284 |
Preci | PG | 17 | 724 | 60008 |
Montefalco | PG | 19 | 5679 | 65687 |
Monteleone di Spoleto | PG | 20 | 599 | 66286 |
Norcia | PG | 20 | 4957 | 71243 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.8 | 2023-04-20 20:32:09 |
42.8133 | 12.8543 | 11 | 2023-04-20 20:41:29 |
Sala Sismica INGV-Roma | 116559301 |
Field | Value |
---|---|
Time (UTC) | 2023-04-20 20:32:09 ± 0.04 |
Latitude | 42.8133 ± 0.0027 |
Longitude | 12.8543 ± 0.0037 |
Depth (km) | 11 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 116559301 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 303 |
Semi-minor axis of confidence ellipse (meter) | 219 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 126 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 300.0 |
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 | 15 |
Number of defining phases | 14 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.11 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.31206 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 0.8 |
Uncertainty | 0.2 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 116559301 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-04-20 20:41:29 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MML1.EHZ. | 2023-04-20T20:32:21.99 | 0.3 | undecidable | manual | S | 16 | 34.6431 | 50 | 0.21 | 71 |
IV.FDMO.HHZ. | 2023-04-20T20:32:20.87 | 0.3 | undecidable | manual | S | 37 | 31.1466 | 50 | 0.01 | 74 |
IV.ASSB.HHZ. | 2023-04-20T20:32:20.28 | 0.6 | undecidable | manual | S | 328 | 29.9478 | 50 | -0.26 | 47 |
IV.NRCA.HHZ. | 2023-04-20T20:32:18.00 | 0.3 | undecidable | manual | S | 84 | 21.2676 | 116 | -0.18 | 73 |
IV.CESI.HHZ. | 2023-04-20T20:32:18.36 | 0.3 | undecidable | manual | S | 11 | 21.6672 | 116 | 0.06 | 74 |
IV.MOMA.HHZ. | 2023-04-20T20:32:18.72 | 0.3 | undecidable | manual | S | 267 | 23.1546 | 50 | 0 | 75 |
IV.FDMO.HHZ. | 2023-04-20T20:32:16.28 | 0.3 | undecidable | manual | P | 37 | 31.1466 | 50 | 0.03 | 74 |
IV.MML1.EHZ. | 2023-04-20T20:32:16.72 | 0.6 | positive | manual | P | 16 | 34.6431 | 50 | -0.06 | 48 |
IV.ASSB.HHZ. | 2023-04-20T20:32:15.91 | 0.6 | undecidable | manual | P | 328 | 29.9478 | 50 | -0.16 | 48 |
IV.MOMA.HHZ. | 2023-04-20T20:32:15.04 | 0.3 | undecidable | manual | P | 267 | 23.1546 | 50 | 0.02 | 75 |
IV.GAVE.EHZ. | 2023-04-20T20:32:15.99 | 0.3 | undecidable | manual | S | 166 | 13.875 | 127 | 0.01 | 76 |
IV.ARRO.EHZ. | 2023-04-20T20:32:15.45 | 3.0 | negative | manual | P | 0.31 | 0 | |||
IV.CESI.HHZ. | 2023-04-20T20:32:14.79 | 0.1 | positive | manual | P | 11 | 21.6672 | 116 | 0.02 | 100 |
IV.NRCA.HHZ. | 2023-04-20T20:32:14.70 | 0.6 | undecidable | manual | P | 84 | 21.2676 | 116 | 0 | 50 |
IV.GAVE.EHZ. | 2023-04-20T20:32:13.58 | 0.6 | undecidable | manual | P | 166 | 13.875 | 127 | 0.15 | 49 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.GAVE.EHN. | ML:0.8 | 0.0000669 | 0.66 | AML | other | m | 2023-04-20T20:32:16.71 |
IV.GAVE.EHE. | ML:1.0 | 0.0001055 | 0.38 | AML | other | m | 2023-04-20T20:32:16.19 |
IV.NRCA.HHN. | ML:0.9 | 0.0000546 | 0.3 | AML | other | m | 2023-04-20T20:32:18.12 |
IV.CESI.HHN. | ML:0.8 | 0.0000424 | 0.58 | AML | other | m | 2023-04-20T20:32:18.86 |
IV.NRCA.HHE. | ML:0.9 | 0.00005335 | 0.14 | AML | other | m | 2023-04-20T20:32:18.69 |
IV.CESI.HHE. | ML:1.0 | 0.00005805 | 0.3 | AML | other | m | 2023-04-20T20:32:18.65 |
IV.ASSB.HHN. | ML:0.7 | 0.000022499999999999998 | 0.1 | AML | other | m | 2023-04-20T20:32:21.13 |
IV.FDMO.HHE. | ML:0.3 | 0.00001005 | 0.58 | AML | other | m | 2023-04-20T20:32:21.75 |
IV.ASSB.HHE. | ML:0.7 | 0.000023149999999999997 | 1.4 | AML | other | m | 2023-04-20T20:32:21.23 |
IV.FDMO.HHN. | ML:0.3 | 0.000010444999999999999 | 1.56 | AML | other | m | 2023-04-20T20:32:24.21 |