A magnitude ML 1.1 earthquake occured in region: 4 km W Trevi (PG), on
and geographic coordinates (lat, lon) 42.8640, 12.7000 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 |
---|---|---|---|---|
Trevi | PG | 4 | 8469 | 8469 |
Castel Ritaldi | PG | 5 | 3278 | 11747 |
Montefalco | PG | 5 | 5679 | 17426 |
Campello sul Clitunno | PG | 8 | 2442 | 19868 |
Foligno | PG | 10 | 57155 | 77023 |
Giano dell'Umbria | PG | 11 | 3846 | 80869 |
Bevagna | PG | 11 | 5081 | 85950 |
Gualdo Cattaneo | PG | 13 | 6155 | 92105 |
Spoleto | PG | 15 | 38218 | 130323 |
Spello | PG | 15 | 8645 | 138968 |
Vallo di Nera | PG | 17 | 364 | 139332 |
Massa Martana | PG | 17 | 3770 | 143102 |
Cannara | PG | 18 | 4305 | 147407 |
Sant'Anatolia di Narco | PG | 18 | 564 | 147971 |
Cerreto di Spoleto | PG | 18 | 1075 | 149046 |
Sellano | PG | 19 | 1079 | 150125 |
Scheggino | PG | 20 | 461 | 150586 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2021-04-11 18:22:41 |
42.8635 | 12.7005 | 10 | 2021-04-11 18:25:57 |
Sala Sismica INGV-Roma | 89016491 |
Field | Value |
---|---|
Time (UTC) | 2021-04-11 18:22:41 ± 0.04 |
Latitude | 42.8635 ± 0.0018 |
Longitude | 12.7005 ± 0.0037 |
Depth (km) | 10 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 89016491 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 222 |
Semi-minor axis of confidence ellipse (meter) | 184 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 267 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 220.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 112 |
Number of associated phases, regardless of their use for origin computation | 17 |
Number of defining phases | 14 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.09 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.43347 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.3 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 89016491 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-04-11 18:25:57 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.LRP.EHZ. | 2021-04-11T18:22:59.47 | 3.0 | positive | manual | Pg | -0.06 | 0 | |||
IV.CSP1.EHZ. | 2021-04-11T18:22:57.03 | 0.6 | undecidable | manual | S | 58 | 48.1185 | 50 | 0.29 | 45 |
IV.FDMO.HHZ. | 2021-04-11T18:22:53.63 | 0.3 | undecidable | manual | S | 58 | 36.8298 | 50 | -0.09 | 71 |
IV.NRCA.HHZ. | 2021-04-11T18:22:52.88 | 0.3 | undecidable | manual | S | 95 | 33.8439 | 50 | -0.04 | 72 |
IV.SEI.HHZ. | 2021-04-11T18:22:52.61 | 3.0 | negative | manual | P | 0.01 | 0 | |||
IV.GAVE.EHZ. | 2021-04-11T18:22:50.42 | 0.3 | undecidable | manual | S | 140 | 24.6531 | 112 | 0.05 | 74 |
IV.CSP1.EHZ. | 2021-04-11T18:22:50.22 | 1.0 | undecidable | manual | P | 58 | 48.1185 | 50 | 0.06 | 23 |
IV.ASSB.HHZ. | 2021-04-11T18:22:49.03 | 0.3 | undecidable | manual | S | 350 | 20.1687 | 116 | 0.09 | 73 |
IV.CESI.HHZ. | 2021-04-11T18:22:49.67 | 0.3 | undecidable | manual | S | 47 | 22.8549 | 113 | -0.1 | 73 |
IV.FDMO.HHZ. | 2021-04-11T18:22:48.32 | 0.1 | undecidable | manual | P | 58 | 36.8298 | 50 | -0.09 | 95 |
IV.NRCA.HHZ. | 2021-04-11T18:22:47.84 | 1.0 | undecidable | manual | P | 95 | 33.8439 | 50 | -0.1 | 24 |
IV.CESI.HHZ. | 2021-04-11T18:22:46.14 | 0.1 | undecidable | manual | P | 47 | 22.8549 | 113 | 0.01 | 99 |
IV.MOMA.HHZ. | 2021-04-11T18:22:46.57 | 0.3 | undecidable | manual | S | 238 | 12.4764 | 128 | -0.1 | 74 |
IV.GAVE.EHZ. | 2021-04-11T18:22:46.52 | 0.1 | undecidable | manual | P | 140 | 24.6531 | 112 | 0.04 | 98 |
IV.ASSB.HHZ. | 2021-04-11T18:22:45.61 | 0.6 | negative | manual | P | 350 | 20.1687 | 116 | -0.04 | 49 |
IV.MOMA.HHZ. | 2021-04-11T18:22:44.39 | 0.1 | positive | manual | P | 238 | 12.4764 | 128 | 0.05 | 100 |
IV.MCIV.CHZ. | 2021-04-11T18:22:37.42 | 3.0 | undecidable | manual | S | 0.01 | 0 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MOMA.HHN. | ML:1.2 | 0.00017675035 | 0.1408 | AML | other | m | 2021-04-11T18:22:47.53 |
IV.MOMA.HHE. | ML:1.3 | 0.00020625325 | 0.1152 | AML | other | m | 2021-04-11T18:22:47.58 |
IV.MOMA.HNE. | ML:1.3 | 0.00021094205 | 0.128 | AML | other | m | 2021-04-11T18:22:47.52 |
IV.MOMA.HNN. | ML:1.2 | 0.000158010095 | 0.128 | AML | other | m | 2021-04-11T18:22:47.53 |
IV.ASSB.HHE. | ML:0.6 | 0.000032258375 | 0.0512 | AML | other | m | 2021-04-11T18:22:50.49 |
IV.ASSB.HHN. | ML:0.7 | 0.000037328195 | 0.2432 | AML | other | m | 2021-04-11T18:22:49.91 |