A magnitude ML 1.6 earthquake occured in region: 3 km N Spoleto (PG), on
and geographic coordinates (lat, lon) 42.7650, 12.7280 at 11 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 | 3 | 38218 | 38218 |
Campello sul Clitunno | PG | 7 | 2442 | 40660 |
Castel Ritaldi | PG | 8 | 3278 | 43938 |
Sant'Anatolia di Narco | PG | 10 | 564 | 44502 |
Scheggino | PG | 10 | 461 | 44963 |
Vallo di Nera | PG | 11 | 364 | 45327 |
Trevi | PG | 13 | 8469 | 53796 |
Giano dell'Umbria | PG | 15 | 3846 | 57642 |
Montefalco | PG | 16 | 5679 | 63321 |
Cerreto di Spoleto | PG | 17 | 1075 | 64396 |
Massa Martana | PG | 17 | 3770 | 68166 |
Ferentillo | TR | 17 | 1913 | 70079 |
Acquasparta | TR | 17 | 4778 | 74857 |
Poggiodomo | PG | 18 | 117 | 74974 |
Montefranco | TR | 19 | 1276 | 76250 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.6 | 2024-04-17 00:45:43 |
42.7652 | 12.7282 | 11 | 2024-04-17 01:30:37 |
Sala Sismica INGV-Roma | 126817001 |
Field | Value |
---|---|
Time (UTC) | 2024-04-17 00:45:43 ± 0.08 |
Latitude | 42.7652 ± 0.0045 |
Longitude | 12.7282 ± 0.0061 |
Depth (km) | 11 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 126817001 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 606 |
Semi-minor axis of confidence ellipse (meter) | 377 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 221 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 610.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 116 |
Number of associated phases, regardless of their use for origin computation | 21 |
Number of defining phases | 20 |
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) | 0.47754 |
Number of stations at which the event was observed | 12 |
Number of stations from which data was used for origin computation | 11 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.2 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 126817001 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2024-04-17 01:30:37 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.VVLD.HHZ. | 2024-04-17T00:46:20.30 | 3.0 | undecidable | manual | S | -0.01 | 0 | |||
IV.MMO1.EHZ. | 2024-04-17T00:46:00.00 | 0.3 | undecidable | manual | S | 73 | 50.9157 | 50 | 0.21 | 70 |
IV.CSP1.EHZ. | 2024-04-17T00:46:00.70 | 0.3 | undecidable | manual | S | 47 | 53.0025 | 50 | 0.35 | 68 |
IV.MML1.EHZ. | 2024-04-17T00:45:58.30 | 0.6 | undecidable | manual | S | 27 | 43.4232 | 50 | 0.52 | 44 |
IV.LNSS.HHZ. | 2024-04-17T00:45:54.51 | 0.3 | undecidable | manual | S | 125 | 31.1466 | 50 | 0 | 74 |
IV.CESI.HHZ. | 2024-04-17T00:45:54.16 | 0.3 | undecidable | manual | S | 28 | 30.2475 | 50 | -0.1 | 74 |
IV.NRCA.HHZ. | 2024-04-17T00:45:54.72 | 0.6 | undecidable | manual | S | 76 | 32.3454 | 50 | -0.1 | 49 |
IV.ASSB.HHZ. | 2024-04-17T00:45:54.40 | 0.3 | undecidable | manual | S | 350 | 31.3464 | 50 | -0.15 | 73 |
IV.CSP1.EHZ. | 2024-04-17T00:45:53.25 | 1.0 | undecidable | manual | P | 47 | 53.0025 | 50 | -0.07 | 24 |
IV.MGAB.HHZ. | 2024-04-17T00:45:53.63 | 1.0 | negative | manual | P | 288 | 52.7028 | 50 | 0.36 | 23 |
IV.ARRO.EHZ. | 2024-04-17T00:45:52.14 | 0.6 | undecidable | manual | S | 172 | 20.868 | 50 | 0.38 | 48 |
IV.MMO1.EHZ. | 2024-04-17T00:45:52.87 | 0.6 | negative | manual | P | 73 | 50.9157 | 50 | -0.12 | 47 |
IV.MML1.EHZ. | 2024-04-17T00:45:51.68 | 1.0 | negative | manual | P | 27 | 43.4232 | 50 | -0.16 | 24 |
IV.GAVE.EHZ. | 2024-04-17T00:45:50.30 | 0.3 | undecidable | manual | S | 121 | 15.7731 | 125 | -0.08 | 77 |
IV.ASSB.HHZ. | 2024-04-17T00:45:49.94 | 0.1 | positive | manual | P | 350 | 31.3464 | 50 | -0.03 | 100 |
IV.LNSS.HHZ. | 2024-04-17T00:45:49.83 | 0.1 | undecidable | manual | P | 125 | 31.1466 | 50 | -0.12 | 97 |
IV.CESI.HHZ. | 2024-04-17T00:45:49.56 | 0.6 | negative | manual | P | 28 | 30.2475 | 50 | -0.25 | 48 |
IV.NRCA.HHZ. | 2024-04-17T00:45:49.81 | 0.3 | undecidable | manual | P | 76 | 32.3454 | 50 | -0.32 | 71 |
IV.ARRO.EHZ. | 2024-04-17T00:45:48.64 | 1.0 | positive | manual | P | 172 | 20.868 | 50 | 0.28 | 24 |
IV.GAVE.EHZ. | 2024-04-17T00:45:47.58 | 0.6 | positive | manual | P | 121 | 15.7731 | 125 | 0.02 | 51 |
IV.MOMA.HHZ. | 2024-04-17T00:45:47.27 | 0.6 | undecidable | manual | P | 289 | 13.5753 | 129 | 0.06 | 51 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MOMA.HNN. | ML:1.6 | 0.000397 | 0.8 | AML | other | m | 2024-04-17T00:45:49.81 |
IV.MOMA.HNE. | ML:1.9 | 0.0008399999999999999 | 0.2 | AML | other | m | 2024-04-17T00:45:49.89 |
IV.MOMA.HHE. | ML:1.9 | 0.0008320000000000001 | 0.18 | AML | other | m | 2024-04-17T00:45:49.80 |
IV.MOMA.HHN. | ML:1.7 | 0.0005965 | 0.18 | AML | other | m | 2024-04-17T00:45:50.11 |
IV.GAVE.EHE. | ML:1.6 | 0.00032450000000000003 | 0.16 | AML | other | m | 2024-04-17T00:45:50.81 |
IV.GAVE.EHN. | ML:1.4 | 0.000243 | 0.3 | AML | other | m | 2024-04-17T00:45:51.05 |
IV.ASSB.HHN. | ML:1.5 | 0.00012984999999999998 | 0.44 | AML | other | m | 2024-04-17T00:45:54.92 |
IV.ASSB.HHE. | ML:1.5 | 0.00014 | 0.62 | AML | other | m | 2024-04-17T00:45:55.91 |
IV.NRCA.HHE. | ML:1.6 | 0.000156 | 1.52 | AML | other | m | 2024-04-17T00:45:56.79 |
IV.NRCA.HHN. | ML:1.3 | 0.0000937 | 1.5 | AML | other | m | 2024-04-17T00:45:56.86 |