A magnitude ML 1.1 earthquake occured in region: 3 km NE Massa Martana (PG), on
and geographic coordinates (lat, lon) 42.7910, 12.5520 at 6 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 | 5 | 3846 | 7616 |
Castel Ritaldi | PG | 11 | 3278 | 10894 |
Acquasparta | TR | 11 | 4778 | 15672 |
Todi | PG | 12 | 16851 | 32523 |
Gualdo Cattaneo | PG | 13 | 6155 | 38678 |
Montefalco | PG | 14 | 5679 | 44357 |
Collazzone | PG | 15 | 3473 | 47830 |
Montecastrilli | TR | 17 | 5022 | 52852 |
Spoleto | PG | 17 | 38218 | 91070 |
Bevagna | PG | 17 | 5081 | 96151 |
Fratta Todina | PG | 17 | 1839 | 97990 |
Monte Castello di Vibio | PG | 17 | 1567 | 99557 |
Avigliano Umbro | TR | 18 | 2558 | 102115 |
Trevi | PG | 19 | 8469 | 110584 |
Campello sul Clitunno | PG | 19 | 2442 | 113026 |
San Gemini | TR | 20 | 5018 | 118044 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2020-07-28 02:16:03 |
42.7912 | 12.5525 | 6 | 2020-07-28 02:23:16 |
Sala Sismica INGV-Roma | 81411171 |
Field | Value |
---|---|
Time (UTC) | 2020-07-28 02:16:03 ± 0.08 |
Latitude | 42.7912 ± 0.0036 |
Longitude | 12.5525 ± 0.0074 |
Depth (km) | 6 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 81411171 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 570 |
Semi-minor axis of confidence ellipse (meter) | 334 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 247 |
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) | 119 |
Number of associated phases, regardless of their use for origin computation | 19 |
Number of defining phases | 17 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.24 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.67089 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.2 |
Num. used stations | 14 |
Type of magnitude | ML |
Reference to an origin | 81411171 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-07-28 02:23:16 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.LAV9.HHZ. | 2020-07-28T02:16:41.51 | 3.0 | undecidable | manual | S | -0.09 | 0 | |||
IV.EL6.EHZ. | 2020-07-28T02:16:27.42 | 3.0 | undecidable | manual | S | 37 | 74.4699 | 50 | 0.83 | 0 |
IV.MURB.HHZ. | 2020-07-28T02:16:20.76 | 0.6 | undecidable | manual | S | 358 | 52.4031 | 50 | 0.06 | 45 |
IV.FDMO.HHZ. | 2020-07-28T02:16:20.57 | 0.3 | undecidable | manual | S | 58 | 51.3153 | 50 | 0.17 | 67 |
IV.NRCA.HHZ. | 2020-07-28T02:16:19.11 | 0.3 | undecidable | manual | S | 84 | 45.9207 | 50 | 0.13 | 68 |
IV.MGAB.HHZ. | 2020-07-28T02:16:16.49 | 0.6 | undecidable | manual | S | 291 | 38.2284 | 99 | -0.07 | 47 |
IV.EL6.EHZ. | 2020-07-28T02:16:16.71 | 0.3 | undecidable | manual | P | 37 | 74.4699 | 50 | 0.04 | 66 |
IV.ARRO.EHZ. | 2020-07-28T02:16:13.26 | 0.3 | undecidable | manual | S | 143 | 29.2485 | 102 | -0.22 | 69 |
IV.ASSB.HHZ. | 2020-07-28T02:16:13.78 | 0.3 | undecidable | manual | S | 17 | 29.1486 | 102 | 0.32 | 67 |
IV.FDMO.HHZ. | 2020-07-28T02:16:12.87 | 0.3 | undecidable | manual | P | 58 | 51.3153 | 50 | -0.22 | 66 |
IV.MURB.HHZ. | 2020-07-28T02:16:12.99 | 0.3 | undecidable | manual | P | 358 | 52.4031 | 50 | -0.28 | 65 |
IV.NRCA.HHZ. | 2020-07-28T02:16:11.79 | 0.1 | undecidable | manual | P | 84 | 45.9207 | 50 | -0.49 | 84 |
IV.CESX.HHZ. | 2020-07-28T02:16:10.50 | 0.3 | undecidable | manual | S | 172 | 20.4684 | 106 | -0.02 | 73 |
IV.MGAB.HHZ. | 2020-07-28T02:16:10.88 | 0.3 | undecidable | manual | P | 291 | 38.2284 | 99 | 0 | 71 |
IV.ASSB.HHZ. | 2020-07-28T02:16:09.21 | 0.1 | undecidable | manual | P | 17 | 29.1486 | 102 | 0.12 | 94 |
IV.ARRO.EHZ. | 2020-07-28T02:16:09.50 | 0.3 | undecidable | manual | P | 143 | 29.2485 | 102 | 0.4 | 66 |
IV.CESX.HHZ. | 2020-07-28T02:16:07.83 | 0.3 | undecidable | manual | P | 172 | 20.4684 | 106 | 0.44 | 67 |
IV.MOMA.HHZ. | 2020-07-28T02:16:04.97 | 0.3 | undecidable | manual | S | 45 | 1.998 | 161 | -0.34 | 70 |
IV.MOMA.HHZ. | 2020-07-28T02:16:04.41 | 0.1 | undecidable | manual | P | 45 | 1.998 | 161 | 0.03 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.CESX.HHN. | ML:1.2 | 0.0001375 | 0.9 | AML | other | m | 2020-07-28T02:16:12.66 |
IV.CESX.HHE. | ML:1.2 | 0.00011394999999999999 | 0.92 | AML | other | m | 2020-07-28T02:16:14.51 |
IV.ASSB.HHE. | ML:1.0 | 0.0000532 | 0.82 | AML | other | m | 2020-07-28T02:16:14.54 |
IV.ASSB.HHN. | ML:0.9 | 0.000042050000000000006 | 0.62 | AML | other | m | 2020-07-28T02:16:15.04 |
IV.ARRO.EHE. | ML:1.0 | 0.000050199999999999994 | 0.22 | AML | other | m | 2020-07-28T02:16:16.67 |
IV.ARRO.EHN. | ML:0.9 | 0.000038650000000000004 | 1.14 | AML | other | m | 2020-07-28T02:16:17.86 |
IV.MGAB.HHE. | ML:1.0 | 0.00004095 | 1.28 | AML | other | m | 2020-07-28T02:16:19.27 |
IV.MGAB.HHN. | ML:1.1 | 0.0000504 | 0.5 | AML | other | m | 2020-07-28T02:16:19.47 |
IV.NRCA.HHE. | ML:1.1 | 0.000039149999999999996 | 0.7 | AML | other | m | 2020-07-28T02:16:19.15 |
IV.FDMO.HHN. | ML:0.8 | 0.000016899999999999997 | 0.4 | AML | other | m | 2020-07-28T02:16:20.68 |
IV.NRCA.HHN. | ML:1.1 | 0.0000394 | 0.14 | AML | other | m | 2020-07-28T02:16:21.12 |
IV.MURB.HHE. | ML:1.5 | 0.00007475 | 0.24 | AML | other | m | 2020-07-28T02:16:21.78 |
IV.FDMO.HHE. | ML:0.9 | 0.0000195 | 0.6 | AML | other | m | 2020-07-28T02:16:23.73 |
IV.MURB.HHN. | ML:1.6 | 0.00009775 | 0.28 | AML | other | m | 2020-07-28T02:16:25.78 |