A magnitude ML 1.3 earthquake occured in region: 4 km NE Spoleto (PG), on
and geographic coordinates (lat, lon) 42.7640, 12.7620 at 8 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 |
---|---|---|---|---|
Spoleto | PG | 4 | 38218 | 38218 |
Campello sul Clitunno | PG | 6 | 2442 | 40660 |
Sant'Anatolia di Narco | PG | 7 | 564 | 41224 |
Scheggino | PG | 8 | 461 | 41685 |
Vallo di Nera | PG | 8 | 364 | 42049 |
Castel Ritaldi | PG | 10 | 3278 | 45327 |
Trevi | PG | 13 | 8469 | 53796 |
Cerreto di Spoleto | PG | 14 | 1075 | 54871 |
Poggiodomo | PG | 15 | 117 | 54988 |
Ferentillo | TR | 16 | 1913 | 56901 |
Giano dell'Umbria | PG | 17 | 3846 | 60747 |
Montefalco | PG | 17 | 5679 | 66426 |
Montefranco | TR | 19 | 1276 | 67702 |
Acquasparta | TR | 19 | 4778 | 72480 |
Sellano | PG | 19 | 1079 | 73559 |
Massa Martana | PG | 20 | 3770 | 77329 |
Monteleone di Spoleto | PG | 20 | 599 | 77928 |
Arrone | TR | 20 | 2763 | 80691 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.3 | 2023-04-29 18:08:30 |
42.7643 | 12.762 | 8 | 2023-04-29 18:47:56 |
Sala Sismica INGV-Roma | 116879781 |
Field | Value |
---|---|
Time (UTC) | 2023-04-29 18:08:30 ± 0.09 |
Latitude | 42.7643 ± 0.0027 |
Longitude | 12.7620 ± 0.0049 |
Depth (km) | 8 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 116879781 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 338 |
Semi-minor axis of confidence ellipse (meter) | 175 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 95 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 340.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 66 |
Number of associated phases, regardless of their use for origin computation | 21 |
Number of defining phases | 18 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.21 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.36153 |
Number of stations at which the event was observed | 12 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.2 |
Num. used stations | 16 |
Type of magnitude | ML |
Reference to an origin | 116879781 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-04-29 18:47:56 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.FDMO.HHZ. | 2023-04-29T18:08:44.94 | 0.6 | undecidable | manual | S | 41 | 40.1265 | 50 | 0.4 | 47 |
IV.ASSB.HHZ. | 2023-04-29T18:08:42.72 | 0.3 | undecidable | manual | S | 345 | 31.9458 | 105 | 0.47 | 71 |
IV.EL6.EHZ. | 2023-04-29T18:08:42.90 | 3.0 | positive | manual | P | -0.13 | 0 | |||
IV.LNSS.HHZ. | 2023-04-29T18:08:41.17 | 0.3 | undecidable | manual | S | 128 | 28.9488 | 106 | -0.06 | 78 |
IV.CESI.HHZ. | 2023-04-29T18:08:41.26 | 0.3 | undecidable | manual | S | 23 | 29.0487 | 106 | -0.02 | 78 |
IV.MGAB.HHZ. | 2023-04-29T18:08:41.15 | 3.0 | undecidable | manual | P | 0.32 | 0 | |||
IV.NRCA.HHZ. | 2023-04-29T18:08:41.60 | 0.3 | undecidable | manual | S | 75 | 29.6481 | 106 | 0.12 | 77 |
IV.RM33.EHZ. | 2023-04-29T18:08:39.21 | 3.0 | undecidable | manual | P | -0.38 | 0 | |||
IV.CESX.HHZ. | 2023-04-29T18:08:39.11 | 0.3 | undecidable | manual | S | 220 | 22.4553 | 111 | 0.02 | 79 |
IV.FDMO.HHZ. | 2023-04-29T18:08:38.50 | 0.6 | positive | manual | P | 41 | 40.1265 | 50 | -0.22 | 49 |
IV.ARRO.EHZ. | 2023-04-29T18:08:38.80 | 0.3 | undecidable | manual | S | 179 | 20.5683 | 112 | 0.32 | 75 |
IV.ASSB.HHZ. | 2023-04-29T18:08:37.40 | 0.6 | undecidable | manual | P | 345 | 31.9458 | 105 | 0 | 52 |
IV.MOMA.HHZ. | 2023-04-29T18:08:37.10 | 0.3 | undecidable | manual | S | 286 | 16.2726 | 117 | -0.02 | 80 |
IV.GAVE.EHZ. | 2023-04-29T18:08:36.37 | 0.3 | undecidable | manual | S | 127 | 13.4754 | 122 | 0.1 | 79 |
IV.LNSS.HHZ. | 2023-04-29T18:08:36.48 | 0.6 | undecidable | manual | P | 128 | 28.9488 | 106 | -0.33 | 49 |
IV.CESI.HHZ. | 2023-04-29T18:08:36.61 | 0.6 | negative | manual | P | 23 | 29.0487 | 106 | -0.23 | 50 |
IV.NRCA.HHZ. | 2023-04-29T18:08:36.65 | 0.1 | negative | manual | P | 75 | 29.6481 | 106 | -0.31 | 98 |
IV.CESX.HHZ. | 2023-04-29T18:08:35.69 | 0.6 | undecidable | manual | P | 220 | 22.4553 | 111 | 0.11 | 52 |
IV.ARRO.EHZ. | 2023-04-29T18:08:35.23 | 0.3 | undecidable | manual | P | 179 | 20.5683 | 112 | 0 | 80 |
IV.GAVE.EHZ. | 2023-04-29T18:08:34.10 | 0.6 | undecidable | manual | P | 127 | 13.4754 | 122 | 0.15 | 52 |
IV.MOMA.HHZ. | 2023-04-29T18:08:34.11 | 0.1 | negative | manual | P | 286 | 16.2726 | 117 | -0.33 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.GAVE.EHN. | ML:1.4 | 0.00027600000000000004 | 0.56 | AML | other | m | 2023-04-29T18:08:37.65 |
IV.GAVE.EHE. | ML:1.5 | 0.00034399999999999996 | 0.18 | AML | other | m | 2023-04-29T18:08:37.78 |
IV.MOMA.HHE. | ML:1.4 | 0.000237 | 0.18 | AML | other | m | 2023-04-29T18:08:37.87 |
IV.MOMA.HHN. | ML:0.9 | 0.000075 | 0.42 | AML | other | m | 2023-04-29T18:08:38.67 |
IV.MOMA.HNE. | ML:1.4 | 0.00021400000000000002 | 0.5 | AML | other | m | 2023-04-29T18:08:39.79 |
IV.CESX.HHE. | ML:1.2 | 0.0001053 | 1.48 | AML | other | m | 2023-04-29T18:08:39.18 |
IV.MOMA.HNN. | ML:1.4 | 0.0002475 | 0.58 | AML | other | m | 2023-04-29T18:08:40.46 |
IV.CESX.HHN. | ML:1.2 | 0.0001007 | 0.28 | AML | other | m | 2023-04-29T18:08:40.20 |
IV.MGAB.HHN. | ML:1.2 | 0.000039099999999999995 | 1.16 | AML | other | m | 2023-04-29T18:08:40.09 |
IV.ARRO.EHN. | ML:0.9 | 0.00006725000000000001 | 1.14 | AML | other | m | 2023-04-29T18:08:40.70 |
IV.ARRO.EHE. | ML:1.0 | 0.0000767 | 0.9 | AML | other | m | 2023-04-29T18:08:41.68 |
IV.LNSS.HHN. | ML:1.4 | 0.000133 | 0.38 | AML | other | m | 2023-04-29T18:08:41.57 |
IV.LNSS.HHE. | ML:1.4 | 0.00014050000000000003 | 1.16 | AML | other | m | 2023-04-29T18:08:41.99 |
IV.NRCA.HHN. | ML:1.2 | 0.00007594999999999999 | 0.86 | AML | other | m | 2023-04-29T18:08:42.31 |
IV.NRCA.HHE. | ML:1.3 | 0.00008925 | 0.74 | AML | other | m | 2023-04-29T18:08:44.50 |
IV.MGAB.HHE. | ML:1.2 | 0.00003955 | 0.56 | AML | other | m | 2023-04-29T18:08:50.50 |