A magnitude ML 0.4 earthquake occured in region: 8 km E Norcia (PG), on
and geographic coordinates (lat, lon) 42.8140, 13.1860 at 12 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 |
---|---|---|---|---|
Norcia | PG | 8 | 4957 | 4957 |
Castelsantangelo sul Nera | MC | 9 | 281 | 5238 |
Arquata del Tronto | AP | 10 | 1178 | 6416 |
Montegallo | AP | 13 | 523 | 6939 |
Preci | PG | 14 | 724 | 7663 |
Accumoli | RI | 14 | 667 | 8330 |
Ussita | MC | 15 | 444 | 8774 |
Montemonaco | AP | 15 | 604 | 9378 |
Visso | MC | 15 | 1107 | 10485 |
Cascia | PG | 18 | 3217 | 13702 |
Acquasanta Terme | AP | 19 | 2916 | 16618 |
Montefortino | FM | 19 | 1178 | 17796 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.4 | 2020-05-31 19:32:03 |
42.8145 | 13.1863 | 12 | 2020-05-31 19:47:42 |
Sala Sismica INGV-Roma | 79759471 |
Field | Value |
---|---|
Time (UTC) | 2020-05-31 19:32:03 ± 0.06 |
Latitude | 42.8145 ± 0.0036 |
Longitude | 13.1863 ± 0.0049 |
Depth (km) | 12 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 79759471 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 390 |
Semi-minor axis of confidence ellipse (meter) | 244 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 242 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 390.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 60 |
Number of associated phases, regardless of their use for origin computation | 23 |
Number of defining phases | 23 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.23 |
Epicentral distance of station closest to the epicenter (degree) | 0.05666 |
Epicentral distance of station farthest from the epicenter (degree) | 0.38851 |
Number of stations at which the event was observed | 12 |
Number of stations from which data was used for origin computation | 12 |
Field | Value |
---|---|
Value | 0.4 |
Uncertainty | 0.4 |
Num. used stations | 7 |
Type of magnitude | ML |
Reference to an origin | 79759471 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-05-31 19:47:42 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MNTT.EHZ. | 2020-05-31T19:32:16.89 | 0.3 | undecidable | manual | S | 50 | 43.1235 | 91 | -0.31 | 67 |
IV.TERO.HHZ. | 2020-05-31T19:32:16.21 | 0.1 | undecidable | manual | S | 122 | 40.1265 | 91 | -0.19 | 92 |
IV.CESI.HHE. | 2020-05-31T19:32:13.90 | 0.3 | undecidable | manual | S | 313 | 31.1466 | 92 | -0.11 | 70 |
IV.LNSS.HHZ. | 2020-05-31T19:32:12.61 | 0.1 | undecidable | manual | S | 207 | 26.3514 | 92 | -0.11 | 94 |
IV.FDMO.HHE. | 2020-05-31T19:32:12.42 | 0.3 | undecidable | manual | S | 342 | 25.9518 | 92 | -0.19 | 70 |
IV.MNTT.EHZ. | 2020-05-31T19:32:11.21 | 0.3 | undecidable | manual | P | 50 | 43.1235 | 91 | -0.09 | 70 |
IV.T1299.EHE. | 2020-05-31T19:32:11.49 | 0.1 | undecidable | manual | S | 159 | 21.4674 | 94 | 0.06 | 96 |
IV.ARRO.EHZ. | 2020-05-31T19:32:11.79 | 0.3 | undecidable | manual | P | 233 | 43.1235 | 91 | 0.49 | 64 |
IV.SMA1.EHE. | 2020-05-31T19:32:11.75 | 0.3 | undecidable | manual | S | 149 | 23.754 | 93 | -0.28 | 69 |
IV.TERO.HHZ. | 2020-05-31T19:32:10.67 | 0.1 | undecidable | manual | P | 122 | 40.1265 | 91 | -0.17 | 92 |
IV.MTRA.EHZ. | 2020-05-31T19:32:10.36 | 0.3 | undecidable | manual | S | 110 | 18.2706 | 96 | -0.22 | 72 |
IV.MMO1.EHZ. | 2020-05-31T19:32:09.67 | 0.1 | undecidable | manual | S | 50 | 14.7741 | 103 | 0.01 | 98 |
IV.CESI.HHE. | 2020-05-31T19:32:09.38 | 0.3 | undecidable | manual | P | 313 | 31.1466 | 92 | -0.07 | 70 |
IV.SMA1.EHE. | 2020-05-31T19:32:08.75 | 0.6 | undecidable | manual | P | 149 | 23.754 | 93 | 0.44 | 44 |
IV.MC2.EHZ. | 2020-05-31T19:32:08.88 | 0.1 | undecidable | manual | S | 1 | 10.7781 | 120 | 0.22 | 95 |
IV.LNSS.HHZ. | 2020-05-31T19:32:08.60 | 0.3 | undecidable | manual | P | 207 | 26.3514 | 92 | -0.11 | 71 |
IV.FDMO.HHE. | 2020-05-31T19:32:08.57 | 0.3 | undecidable | manual | P | 342 | 25.9518 | 92 | -0.08 | 71 |
IV.T1299.EHE. | 2020-05-31T19:32:08.62 | 0.3 | undecidable | manual | P | 159 | 21.4674 | 94 | 0.65 | 62 |
IV.MMO1.EHZ. | 2020-05-31T19:32:07.07 | 0.1 | undecidable | manual | P | 50 | 14.7741 | 103 | 0.13 | 96 |
IV.MTRA.EHZ. | 2020-05-31T19:32:07.60 | 0.1 | undecidable | manual | P | 110 | 18.2706 | 96 | 0.13 | 95 |
IV.NRCA.HNN. | 2020-05-31T19:32:07.43 | 0.1 | undecidable | manual | S | 290 | 6.2937 | 143 | -0.33 | 93 |
IV.MC2.EHZ. | 2020-05-31T19:32:06.59 | 0.1 | undecidable | manual | P | 1 | 10.7781 | 120 | 0.23 | 95 |
IV.NRCA.HNN. | 2020-05-31T19:32:05.88 | 0.1 | undecidable | manual | P | 290 | 6.2937 | 143 | 0.04 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MTRA.EHE. | ML:0.1 | 0.000010459615 | 0.1536 | AML | other | m | 2020-05-31T19:32:11.24 |
IV.MTRA.EHN. | ML:-0.2 | 0.000006805128499999999 | 0.2432 | AML | other | m | 2020-05-31T19:32:12.86 |
IV.TERO.HHE. | ML:0.2 | 0.000006449436000000001 | 0.5632 | AML | other | m | 2020-05-31T19:32:16.87 |
IV.TERO.HHN. | ML:0.2 | 0.000007022849 | 0.1024 | AML | other | m | 2020-05-31T19:32:16.79 |
IV.MNTT.EHE. | ML:1.3 | 0.000062297502 | 0.1024 | AML | other | m | 2020-05-31T19:32:17.35 |
IV.MNTT.EHN. | ML:1.0 | 0.00003603578 | 0.0768 | AML | other | m | 2020-05-31T19:32:19.67 |
IV.ARRO.EHN. | ML:0.7 | 0.000014049370000000001 | 0.0768 | AML | other | m | 2020-05-31T19:32:19.48 |