A magnitude ML 1.2 earthquake occured in region: 4 km SE Vallo di Nera (PG), on
and geographic coordinates (lat, lon) 42.7470, 12.8940 at 14 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 | 4 | 364 | 364 |
Sant'Anatolia di Narco | PG | 5 | 564 | 928 |
Poggiodomo | PG | 5 | 117 | 1045 |
Scheggino | PG | 6 | 461 | 1506 |
Cerreto di Spoleto | PG | 8 | 1075 | 2581 |
Cascia | PG | 10 | 3217 | 5798 |
Monteleone di Spoleto | PG | 12 | 599 | 6397 |
Campello sul Clitunno | PG | 13 | 2442 | 8839 |
Spoleto | PG | 13 | 38218 | 47057 |
Sellano | PG | 16 | 1079 | 48136 |
Ferentillo | TR | 16 | 1913 | 50049 |
Norcia | PG | 17 | 4957 | 55006 |
Polino | TR | 18 | 233 | 55239 |
Trevi | PG | 19 | 8469 | 63708 |
Preci | PG | 19 | 724 | 64432 |
Montefranco | TR | 20 | 1276 | 65708 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.2 | 2023-04-16 22:45:58 |
42.7473 | 12.8942 | 14 | 2023-04-16 22:52:50 |
Sala Sismica INGV-Roma | 116442411 |
Field | Value |
---|---|
Time (UTC) | 2023-04-16 22:45:58 ± 0.07 |
Latitude | 42.7473 ± 0.0036 |
Longitude | 12.8942 ± 0.0037 |
Depth (km) | 14 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 116442411 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 298 |
Semi-minor axis of confidence ellipse (meter) | 298 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 79 |
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) | 81 |
Number of associated phases, regardless of their use for origin computation | 15 |
Number of defining phases | 15 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.13 |
Epicentral distance of station closest to the epicenter (degree) | 0.05486 |
Epicentral distance of station farthest from the epicenter (degree) | 0.34174 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.1 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 116442411 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-04-16 22:52:50 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CESI.HHZ. | 2023-04-16T22:46:08.88 | 0.3 | undecidable | manual | S | 2 | 28.5492 | 102 | 0.01 | 78 |
IV.MOMA.HHN. | 2023-04-16T22:46:08.71 | 0.1 | undecidable | manual | S | 283 | 27.1506 | 103 | 0.22 | 100 |
IV.NRCA.HHZ. | 2023-04-16T22:46:06.79 | 0.3 | undecidable | manual | S | 62 | 20.2686 | 110 | 0.04 | 79 |
IV.LNSS.HHZ. | 2023-04-16T22:46:06.87 | 0.3 | undecidable | manual | S | 143 | 19.9689 | 111 | 0.2 | 77 |
IV.ARRO.EHZ. | 2023-04-16T22:46:06.88 | 0.3 | undecidable | manual | S | 209 | 21.3675 | 109 | -0.14 | 77 |
IV.ASSB.HHE. | 2023-04-16T22:46:06.00 | 0.3 | undecidable | manual | P | 330 | 37.9287 | 97 | 0 | 77 |
IV.CESX.HHE. | 2023-04-16T22:46:04.83 | 1.0 | undecidable | manual | P | 239 | 29.4483 | 101 | 0.12 | 26 |
IV.CESI.HHZ. | 2023-04-16T22:46:04.52 | 0.3 | positive | manual | P | 2 | 28.5492 | 102 | -0.05 | 77 |
IT.GNU.HGZ. | 2023-04-16T22:46:04.00 | 0.6 | undecidable | manual | P | 283 | 27.0507 | 103 | -0.35 | 49 |
IV.MOMA.HHN. | 2023-04-16T22:46:04.09 | 1.0 | undecidable | manual | P | 283 | 27.1506 | 103 | -0.26 | 25 |
IV.GAVE.EHZ. | 2023-04-16T22:46:03.81 | 0.3 | undecidable | manual | S | 180 | 6.0939 | 152 | -0.01 | 81 |
IV.ARRO.EHZ. | 2023-04-16T22:46:03.44 | 0.3 | undecidable | manual | P | 209 | 21.3675 | 109 | -0.07 | 78 |
IV.NRCA.HHZ. | 2023-04-16T22:46:03.18 | 0.3 | undecidable | manual | P | 62 | 20.2686 | 110 | -0.17 | 76 |
IV.LNSS.HHZ. | 2023-04-16T22:46:03.32 | 0.3 | undecidable | manual | P | 143 | 19.9689 | 111 | 0.02 | 79 |
IV.GAVE.EHZ. | 2023-04-16T22:46:01.74 | 0.3 | undecidable | manual | P | 180 | 6.0939 | 152 | 0.09 | 80 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.GAVE.EHN. | ML:1.3 | 0.00020800000000000001 | 0.1 | AML | other | m | 2023-04-16T22:46:03.91 |
IV.GAVE.EHE. | ML:1.2 | 0.000165 | 1.66 | AML | other | m | 2023-04-16T22:46:04.86 |