A magnitude ML 1.1 earthquake occured in region: 3 km NW Massa Martana (PG), on
and geographic coordinates (lat, lon) 42.8000, 12.5030 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 |
---|---|---|---|---|
Massa Martana | PG | 3 | 3770 | 3770 |
Giano dell'Umbria | PG | 7 | 3846 | 7616 |
Todi | PG | 8 | 16851 | 24467 |
Collazzone | PG | 12 | 3473 | 27940 |
Acquasparta | TR | 13 | 4778 | 32718 |
Fratta Todina | PG | 13 | 1839 | 34557 |
Gualdo Cattaneo | PG | 13 | 6155 | 40712 |
Monte Castello di Vibio | PG | 13 | 1567 | 42279 |
Castel Ritaldi | PG | 14 | 3278 | 45557 |
Montefalco | PG | 16 | 5679 | 51236 |
Montecastrilli | TR | 17 | 5022 | 56258 |
Avigliano Umbro | TR | 17 | 2558 | 58816 |
Bevagna | PG | 17 | 5081 | 63897 |
Marsciano | PG | 18 | 18902 | 82799 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2020-07-15 19:55:18 |
42.7995 | 12.5033 | 8 | 2020-07-15 20:08:10 |
Sala Sismica INGV-Roma | 81060291 |
Field | Value |
---|---|
Time (UTC) | 2020-07-15 19:55:18 ± 0.1 |
Latitude | 42.7995 ± 0.0054 |
Longitude | 12.5033 ± 0.0074 |
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 | 81060291 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 569 |
Semi-minor axis of confidence ellipse (meter) | 505 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 88 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 570.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 130 |
Number of associated phases, regardless of their use for origin computation | 15 |
Number of defining phases | 14 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.25 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.58636 |
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 | 1.1 |
Uncertainty | 0.2 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 81060291 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-07-15 20:08:10 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.FDMO.HHZ. | 2020-07-15T19:55:35.87 | 0.3 | undecidable | manual | S | 61 | 54.2013 | 50 | 0.16 | 67 |
IV.ATCC.EHZ. | 2020-07-15T19:55:33.14 | 0.3 | undecidable | manual | S | 14 | 44.2224 | 50 | 0.11 | 69 |
IV.ATVO.HHZ. | 2020-07-15T19:55:29.88 | 0.3 | undecidable | manual | P | 353 | 65.0904 | 50 | -0.04 | 68 |
IV.MGAB.HHZ. | 2020-07-15T19:55:29.88 | 0.3 | undecidable | manual | S | 292 | 34.2435 | 103 | -0.33 | 67 |
IV.ATMI.HHZ. | 2020-07-15T19:55:29.91 | 0.3 | undecidable | manual | P | 342 | 62.2932 | 50 | 0.42 | 63 |
IV.FDMO.HHZ. | 2020-07-15T19:55:28.03 | 0.1 | undecidable | manual | P | 61 | 54.2013 | 50 | -0.21 | 89 |
IV.ASSB.HHZ. | 2020-07-15T19:55:28.54 | 0.3 | undecidable | manual | S | 25 | 29.748 | 105 | -0.18 | 70 |
IV.ATCC.EHZ. | 2020-07-15T19:55:26.44 | 0.1 | undecidable | manual | P | 14 | 44.2224 | 50 | -0.26 | 90 |
IV.CESX.HHZ. | 2020-07-15T19:55:25.86 | 0.3 | undecidable | manual | S | 162 | 22.2555 | 109 | -0.36 | 68 |
IV.MGAB.HHZ. | 2020-07-15T19:55:25.47 | 0.3 | undecidable | manual | P | 292 | 34.2435 | 103 | 0.4 | 66 |
IV.ASSB.HHZ. | 2020-07-15T19:55:24.05 | 0.1 | undecidable | manual | P | 25 | 29.748 | 105 | -0.16 | 94 |
IV.ARRO.EHZ. | 2020-07-15T19:55:24.68 | 3.0 | negative | manual | P | -0.03 | 0 | |||
IV.CESX.HHZ. | 2020-07-15T19:55:22.98 | 0.3 | undecidable | manual | P | 162 | 22.2555 | 109 | 0.22 | 71 |
IV.MOMA.HHZ. | 2020-07-15T19:55:21.38 | 0.1 | undecidable | manual | S | 85 | 5.4945 | 145 | 0.06 | 100 |
IV.MOMA.HHZ. | 2020-07-15T19:55:20.21 | 0.1 | undecidable | manual | P | 85 | 5.4945 | 145 | 0.27 | 96 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.CESX.HHN. | ML:0.9 | 0.0000617 | 0.62 | AML | other | m | 2020-07-15T19:55:27.38 |
IV.CESX.HHE. | ML:1.1 | 0.0000779 | 0.38 | AML | other | m | 2020-07-15T19:55:27.39 |
IV.ASSB.HHE. | ML:1.0 | 0.00005574999999999999 | 0.32 | AML | other | m | 2020-07-15T19:55:30.72 |
IV.ASSB.HHN. | ML:1.0 | 0.00004455 | 0.24 | AML | other | m | 2020-07-15T19:55:31.20 |
IV.MGAB.HHN. | ML:1.1 | 0.00005215 | 0.96 | AML | other | m | 2020-07-15T19:55:32.09 |
IV.MGAB.HHE. | ML:1.1 | 0.00005425 | 0.72 | AML | other | m | 2020-07-15T19:55:32.44 |
IV.ATCC.EHE. | ML:1.0 | 0.00003145 | 1.24 | AML | other | m | 2020-07-15T19:55:35.81 |
IV.ATCC.EHN. | ML:0.9 | 0.00002625 | 0.94 | AML | other | m | 2020-07-15T19:55:35.48 |
IV.FDMO.HHE. | ML:1.0 | 0.000025149999999999998 | 1.12 | AML | other | m | 2020-07-15T19:55:36.65 |
IV.FDMO.HHN. | ML:1.0 | 0.000024449999999999998 | 1.18 | AML | other | m | 2020-07-15T19:55:37.12 |
IV.ATMI.HHN. | ML:1.4 | 0.0000447 | 0.64 | AML | other | m | 2020-07-15T19:55:42.22 |
IV.ATMI.HHE. | ML:1.4 | 0.0000466 | 1.4 | AML | other | m | 2020-07-15T19:55:44.85 |