A magnitude ML 0.5 earthquake occured in region: 2 km S Vallo di Nera (PG), on
and geographic coordinates (lat, lon) 42.7570, 12.8660 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 |
---|---|---|---|---|
Vallo di Nera | PG | 2 | 364 | 364 |
Sant'Anatolia di Narco | PG | 4 | 564 | 928 |
Scheggino | PG | 6 | 461 | 1389 |
Poggiodomo | PG | 8 | 117 | 1506 |
Cerreto di Spoleto | PG | 8 | 1075 | 2581 |
Campello sul Clitunno | PG | 10 | 2442 | 5023 |
Spoleto | PG | 11 | 38218 | 43241 |
Cascia | PG | 13 | 3217 | 46458 |
Monteleone di Spoleto | PG | 14 | 599 | 47057 |
Sellano | PG | 16 | 1079 | 48136 |
Ferentillo | TR | 16 | 1913 | 50049 |
Trevi | PG | 17 | 8469 | 58518 |
Castel Ritaldi | PG | 17 | 3278 | 61796 |
Norcia | PG | 19 | 4957 | 66753 |
Polino | TR | 19 | 233 | 66986 |
Montefranco | TR | 19 | 1276 | 68262 |
Preci | PG | 20 | 724 | 68986 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.5 | 2021-04-19 20:17:19 |
42.7568 | 12.8662 | 11 | 2021-04-19 20:22:41 |
Sala Sismica INGV-Roma | 89268301 |
Field | Value |
---|---|
Time (UTC) | 2021-04-19 20:17:19 ± 0.05 |
Latitude | 42.7568 ± 0.0027 |
Longitude | 12.8662 ± 0.0024 |
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 | 89268301 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 243 |
Semi-minor axis of confidence ellipse (meter) | 225 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 81 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 240.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 79 |
Number of associated phases, regardless of their use for origin computation | 16 |
Number of defining phases | 15 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.1 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.32376 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 0.5 |
Uncertainty | 0.3 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 89268301 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-04-19 20:22:41 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.FDMO.HHE. | 2021-04-19T20:17:31.23 | 0.3 | undecidable | manual | S | 30 | 35.8419 | 50 | 0.09 | 72 |
IV.MC2.EHZ. | 2021-04-19T20:17:30.49 | 3.0 | undecidable | manual | S | 0 | ||||
IV.ASSB.HHZ. | 2021-04-19T20:17:30.92 | 0.3 | undecidable | manual | S | 332 | 35.9418 | 50 | -0.23 | 70 |
IV.CESI.HHZ. | 2021-04-19T20:17:29.15 | 0.6 | undecidable | manual | S | 6 | 27.6501 | 50 | 0.18 | 48 |
IV.MOMA.HHZ. | 2021-04-19T20:17:28.16 | 0.3 | undecidable | manual | S | 282 | 24.6531 | 50 | 0 | 75 |
IV.NRCA.HHZ. | 2021-04-19T20:17:27.30 | 0.6 | undecidable | manual | S | 67 | 21.9669 | 50 | -0.12 | 49 |
IV.LNSS.HHZ. | 2021-04-19T20:17:27.44 | 0.6 | undecidable | manual | S | 140 | 22.2555 | 50 | -0.06 | 49 |
IV.FDMO.HHE. | 2021-04-19T20:17:26.04 | 0.1 | undecidable | manual | P | 30 | 35.8419 | 50 | -0.01 | 98 |
IV.ASSB.HHZ. | 2021-04-19T20:17:25.98 | 0.3 | undecidable | manual | P | 332 | 35.9418 | 50 | -0.08 | 72 |
IV.MOMA.HHZ. | 2021-04-19T20:17:24.44 | 0.1 | undecidable | manual | P | 282 | 24.6531 | 50 | 0.11 | 98 |
IV.CESI.HHZ. | 2021-04-19T20:17:24.83 | 0.1 | undecidable | manual | P | 6 | 27.6501 | 50 | 0.03 | 99 |
IV.NRCA.HHZ. | 2021-04-19T20:17:23.97 | 0.6 | negative | manual | P | 67 | 21.9669 | 50 | 0.06 | 49 |
IV.LNSS.HHZ. | 2021-04-19T20:17:23.96 | 0.1 | undecidable | manual | P | 140 | 22.2555 | 50 | 0.01 | 100 |
IV.ARRO.EHZ. | 2021-04-19T20:17:23.91 | 1.0 | undecidable | manual | P | 203 | 21.3675 | 50 | 0.09 | 25 |
IV.GAVE.EHZ. | 2021-04-19T20:17:23.59 | 0.6 | undecidable | manual | S | 162 | 7.4814 | 146 | -0.14 | 50 |
IV.GAVE.EHZ. | 2021-04-19T20:17:21.91 | 0.6 | positive | manual | P | 162 | 7.4814 | 146 | 0.13 | 50 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.GAVE.EHE. | ML:1.1 | 0.00017171799999999998 | 0.1536 | AML | other | m | 2021-04-19T20:17:23.74 |
IV.GAVE.EHN. | ML:1.0 | 0.000151669565 | 0.1152 | AML | other | m | 2021-04-19T20:17:23.81 |
IV.NRCA.HHE. | ML:0.6 | 0.000023960055 | 0.1408 | AML | other | m | 2021-04-19T20:17:27.40 |
IV.NRCA.HHN. | ML:0.7 | 0.000033388824999999996 | 0.1152 | AML | other | m | 2021-04-19T20:17:27.47 |
IV.MOMA.HHE. | ML:0.4 | 0.0000149906285 | 0.2816 | AML | other | m | 2021-04-19T20:17:28.73 |
IV.MOMA.HHN. | ML:0.2 | 0.0000094505005 | 0.192 | AML | other | m | 2021-04-19T20:17:28.93 |
IV.CESI.HHE. | ML:0.0 | 0.000005191957 | 0.1408 | AML | other | m | 2021-04-19T20:17:31.07 |
IV.CESI.HHN. | ML:0.3 | 0.000008866676 | 0.2688 | AML | other | m | 2021-04-19T20:17:31.72 |
IV.ASSB.HHE. | ML:0.4 | 0.0000097516455 | 0.0768 | AML | other | m | 2021-04-19T20:17:31.89 |
IV.ASSB.HHN. | ML:0.4 | 0.0000095704645 | 0.0896 | AML | other | m | 2021-04-19T20:17:33.61 |