A magnitude ML 1.3 earthquake occured in region: 3 km NW Massa Martana (PG), on
and geographic coordinates (lat, lon) 42.7990, 12.5120 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 | 9 | 16851 | 24467 |
Acquasparta | TR | 12 | 4778 | 29245 |
Collazzone | PG | 12 | 3473 | 32718 |
Gualdo Cattaneo | PG | 13 | 6155 | 38873 |
Castel Ritaldi | PG | 13 | 3278 | 42151 |
Fratta Todina | PG | 14 | 1839 | 43990 |
Monte Castello di Vibio | PG | 14 | 1567 | 45557 |
Montefalco | PG | 16 | 5679 | 51236 |
Montecastrilli | TR | 17 | 5022 | 56258 |
Bevagna | PG | 17 | 5081 | 61339 |
Avigliano Umbro | TR | 17 | 2558 | 63897 |
Marsciano | PG | 19 | 18902 | 82799 |
Spoleto | PG | 20 | 38218 | 121017 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.3 | 2019-08-13 23:11:55 |
42.7992 | 12.5125 | 8 | 2019-08-13 23:20:52 |
Sala Sismica INGV-Roma | 71469881 |
Field | Value |
---|---|
Time (UTC) | 2019-08-13 23:11:55 ± 0.06 |
Latitude | 42.7992 ± 0.0045 |
Longitude | 12.5125 ± 0.0049 |
Depth (km) | 8 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 71469881 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 485 |
Semi-minor axis of confidence ellipse (meter) | 319 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 211 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 490.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 127 |
Number of associated phases, regardless of their use for origin computation | 29 |
Number of defining phases | 22 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.19 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.68259 |
Number of stations at which the event was observed | 20 |
Number of stations from which data was used for origin computation | 14 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.2 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 71469881 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2019-08-13 23:20:52 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ZONE.HHZ. | 2019-08-13T23:13:29.57 | 3.0 | undecidable | manual | Sn | 0.24 | 0 | |||
IV.VITU.HHZ. | 2019-08-13T23:13:03.66 | 3.0 | undecidable | manual | Sn | 4.06 | 0 | |||
IV.PAOL.HHZ. | 2019-08-13T23:13:01.11 | 3.0 | undecidable | manual | Sn | -0.48 | 0 | |||
ST.GAGG.HHZ. | 2019-08-13T23:12:50.35 | 3.0 | negative | manual | Pn | 1.64 | 0 | |||
IV.PAOL.HHZ. | 2019-08-13T23:12:38.21 | 3.0 | undecidable | manual | Pg | 5.6 | 0 | |||
IV.TRIV.HHZ. | 2019-08-13T23:12:25.88 | 3.0 | undecidable | manual | Pn | 0.26 | 0 | |||
IV.POFI.HHZ. | 2019-08-13T23:12:21.72 | 3.0 | positive | manual | P | 1.99 | 0 | |||
IV.MC2.EHZ. | 2019-08-13T23:12:14.21 | 0.3 | undecidable | manual | S | 77 | 56.3991 | 50 | 0.42 | 65 |
IV.FDMO.HHZ. | 2019-08-13T23:12:12.96 | 0.3 | undecidable | manual | S | 60 | 53.6019 | 50 | -0.09 | 70 |
IV.NRCA.HHZ. | 2019-08-13T23:12:11.98 | 0.3 | undecidable | manual | S | 85 | 49.1175 | 50 | 0.13 | 70 |
IV.EL6.EHZ. | 2019-08-13T23:12:09.04 | 0.3 | undecidable | manual | P | 39 | 75.7686 | 50 | -0.05 | 67 |
IV.MGAB.HHZ. | 2019-08-13T23:12:08.18 | 0.3 | undecidable | manual | S | 291 | 34.9428 | 103 | 0.13 | 71 |
IV.ATMI.HHE. | 2019-08-13T23:12:07.19 | 0.3 | undecidable | manual | P | 342 | 62.5929 | 50 | 0.13 | 68 |
IV.ARRO.EHZ. | 2019-08-13T23:12:07.50 | 0.3 | undecidable | manual | S | 140 | 31.9458 | 104 | 0.44 | 67 |
IV.CSP1.EHZ. | 2019-08-13T23:12:07.34 | 0.3 | undecidable | manual | P | 60 | 64.8906 | 50 | -0.08 | 68 |
IV.ATLO.EHE. | 2019-08-13T23:12:06.22 | 0.3 | undecidable | manual | P | 352 | 57.8976 | 50 | -0.12 | 69 |
IV.MC2.EHZ. | 2019-08-13T23:12:06.01 | 0.3 | undecidable | manual | P | 77 | 56.3991 | 50 | -0.1 | 69 |
IV.ATVA.EHE. | 2019-08-13T23:12:06.18 | 0.3 | undecidable | manual | P | 341 | 56.2992 | 50 | 0.09 | 69 |
IV.FOSV.EHZ. | 2019-08-13T23:12:06.57 | 0.3 | undecidable | manual | P | 20 | 58.5969 | 50 | 0.13 | 68 |
IV.FDMO.HHZ. | 2019-08-13T23:12:05.39 | 0.3 | undecidable | manual | P | 60 | 53.6019 | 50 | -0.29 | 67 |
IV.NRCA.HHZ. | 2019-08-13T23:12:04.61 | 0.1 | undecidable | manual | P | 85 | 49.1175 | 50 | -0.38 | 88 |
IV.CESX.HHZ. | 2019-08-13T23:12:03.43 | 0.3 | undecidable | manual | S | 164 | 21.9669 | 110 | -0.32 | 70 |
IV.ARRO.EHZ. | 2019-08-13T23:12:02.31 | 0.3 | undecidable | manual | P | 140 | 31.9458 | 104 | 0.09 | 72 |
IV.MGAB.HHZ. | 2019-08-13T23:12:02.76 | 0.3 | undecidable | manual | P | 291 | 34.9428 | 103 | -0.04 | 73 |
IV.CESX.HHZ. | 2019-08-13T23:12:00.28 | 0.3 | undecidable | manual | P | 164 | 21.9669 | 110 | -0.03 | 75 |
IV.MOMA.HHZ. | 2019-08-13T23:11:58.73 | 0.3 | undecidable | manual | S | 84 | 4.6953 | 150 | -0.14 | 75 |
IT.GNU.HGZ. | 2019-08-13T23:11:58.75 | 0.3 | undecidable | manual | S | 84 | 4.6953 | 150 | -0.12 | 75 |
IV.MOMA.HHZ. | 2019-08-13T23:11:57.65 | 0.1 | undecidable | manual | P | 84 | 4.6953 | 150 | 0.15 | 100 |
IT.GNU.HGZ. | 2019-08-13T23:11:57.64 | 0.1 | undecidable | manual | P | 84 | 4.6953 | 150 | 0.14 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.CESX.HHN. | ML:1.5 | 0.0002085 | 0.5 | AML | other | m | 2019-08-13T23:12:04.90 |
IV.CESX.HHE. | ML:1.4 | 0.00019250000000000002 | 1.72 | AML | other | m | 2019-08-13T23:12:05.87 |
IV.ARRO.EHE. | ML:1.0 | 0.000043650000000000004 | 0.42 | AML | other | m | 2019-08-13T23:12:07.76 |
IV.ARRO.EHN. | ML:1.1 | 0.000057749999999999994 | 0.5 | AML | other | m | 2019-08-13T23:12:08.25 |
IV.MGAB.HHE. | ML:1.3 | 0.00007519999999999998 | 1.22 | AML | other | m | 2019-08-13T23:12:10.67 |
IV.MGAB.HHN. | ML:1.2 | 0.0000576 | 0.52 | AML | other | m | 2019-08-13T23:12:10.48 |
IV.NRCA.HHN. | ML:1.4 | 0.00006665000000000001 | 1.32 | AML | other | m | 2019-08-13T23:12:12.06 |
IV.NRCA.HHE. | ML:1.4 | 0.000063 | 0.7 | AML | other | m | 2019-08-13T23:12:13.38 |
IV.FDMO.HHE. | ML:1.2 | 0.00003275 | 1.44 | AML | other | m | 2019-08-13T23:12:13.79 |
IV.FDMO.HHN. | ML:1.2 | 0.000037199999999999996 | 0.14 | AML | other | m | 2019-08-13T23:12:14.08 |