A magnitude ML 1.2 earthquake occured in region: 4 km NE Norcia (PG), on
and geographic coordinates (lat, lon) 42.8220, 13.1230 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 | 4 | 4957 | 4957 |
Castelsantangelo sul Nera | MC | 9 | 281 | 5238 |
Preci | PG | 9 | 724 | 5962 |
Visso | MC | 13 | 1107 | 7069 |
Ussita | MC | 14 | 444 | 7513 |
Cascia | PG | 15 | 3217 | 10730 |
Arquata del Tronto | AP | 15 | 1178 | 11908 |
Cerreto di Spoleto | PG | 17 | 1075 | 12983 |
Accumoli | RI | 17 | 667 | 13650 |
Montegallo | AP | 17 | 523 | 14173 |
Sellano | PG | 18 | 1079 | 15252 |
Montemonaco | AP | 19 | 604 | 15856 |
Poggiodomo | PG | 20 | 117 | 15973 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.2 | 2020-05-28 07:41:33 |
42.8223 | 13.1228 | 12 | 2020-05-28 07:46:06 |
Sala Sismica INGV-Roma | 79646251 |
Field | Value |
---|---|
Time (UTC) | 2020-05-28 07:41:33 ± 0.09 |
Latitude | 42.8223 ± 0.0036 |
Longitude | 13.1228 ± 0.0061 |
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 | 79646251 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 497 |
Semi-minor axis of confidence ellipse (meter) | 77 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 69 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 500.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 124 |
Number of associated phases, regardless of their use for origin computation | 22 |
Number of defining phases | 21 |
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) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.40559 |
Number of stations at which the event was observed | 12 |
Number of stations from which data was used for origin computation | 11 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.2 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 79646251 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-05-28 07:46:06 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.SENI.EHZ. | 2020-05-28T07:42:04.22 | 3.0 | undecidable | manual | S | -0.64 | 0 | |||
IV.TERO.HHZ. | 2020-05-28T07:41:48.57 | 0.1 | undecidable | manual | S | 119 | 45.0216 | 91 | 0.17 | 88 |
IV.RM33.EHZ. | 2020-05-28T07:41:46.19 | 0.1 | undecidable | manual | S | 168 | 35.5422 | 92 | 0.32 | 87 |
IV.CSP1.EHZ. | 2020-05-28T07:41:44.84 | 0.1 | undecidable | manual | S | 13 | 30.6471 | 93 | 0.29 | 90 |
IV.SMA1.EHZ. | 2020-05-28T07:41:43.73 | 0.1 | undecidable | manual | S | 141 | 27.4503 | 93 | 0.03 | 94 |
IV.CESI.HHZ. | 2020-05-28T07:41:43.57 | 0.1 | undecidable | manual | S | 319 | 26.9508 | 93 | 0.01 | 95 |
IV.MTRA.EHZ. | 2020-05-28T07:41:42.14 | 0.1 | undecidable | manual | S | 108 | 23.4543 | 94 | -0.5 | 88 |
IV.FDMO.HHZ. | 2020-05-28T07:41:42.59 | 0.1 | undecidable | manual | S | 353 | 23.9538 | 94 | -0.18 | 92 |
IV.TERO.HHZ. | 2020-05-28T07:41:42.22 | 0.6 | undecidable | manual | P | 119 | 45.0216 | 91 | -0.06 | 46 |
IV.MMO1.EHZ. | 2020-05-28T07:41:41.13 | 0.1 | undecidable | manual | S | 63 | 18.6702 | 98 | -0.24 | 93 |
IV.MC2.EHZ. | 2020-05-28T07:41:40.07 | 0.1 | undecidable | manual | S | 29 | 11.2776 | 120 | 0.58 | 87 |
IV.RM33.EHZ. | 2020-05-28T07:41:40.64 | 1.0 | positive | manual | P | 168 | 35.5422 | 92 | -0.18 | 23 |
IV.CESI.HHZ. | 2020-05-28T07:41:39.47 | 0.3 | undecidable | manual | P | 319 | 26.9508 | 93 | -0.02 | 72 |
IV.LNSS.HHZ. | 2020-05-28T07:41:39.07 | 0.6 | negative | manual | P | 195 | 25.2525 | 94 | -0.17 | 47 |
IV.CSP1.EHZ. | 2020-05-28T07:41:39.99 | 0.3 | positive | manual | P | 13 | 30.6471 | 93 | -0.07 | 70 |
IV.SMA1.EHZ. | 2020-05-28T07:41:39.34 | 1.0 | negative | manual | P | 141 | 27.4503 | 93 | -0.23 | 23 |
IV.MMO1.EHZ. | 2020-05-28T07:41:38.20 | 0.1 | undecidable | manual | P | 63 | 18.6702 | 98 | -0.02 | 97 |
IV.MTRA.EHZ. | 2020-05-28T07:41:38.89 | 1.0 | undecidable | manual | P | 108 | 23.4543 | 94 | -0.06 | 24 |
IV.FDMO.HHZ. | 2020-05-28T07:41:38.93 | 0.6 | positive | manual | P | 353 | 23.9538 | 94 | -0.1 | 47 |
IV.MC2.EHZ. | 2020-05-28T07:41:37.30 | 1.0 | positive | manual | P | 29 | 11.2776 | 120 | 0.17 | 24 |
IV.NRCA.HNZ. | 2020-05-28T07:41:37.79 | 0.1 | undecidable | manual | S | 330 | 1.3986 | 171 | -0.22 | 95 |
IV.NRCA.HNZ. | 2020-05-28T07:41:36.30 | 0.1 | negative | manual | P | 330 | 1.3986 | 171 | 0.02 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.4 | 0.000425 | 0.18 | AML | other | m | 2020-05-28T07:41:37.90 |
IV.NRCA.HHE. | ML:1.3 | 0.0002785 | 0.18 | AML | other | m | 2020-05-28T07:41:37.92 |
IV.FDMO.HHE. | ML:1.0 | 0.00006204999999999999 | 0.3 | AML | other | m | 2020-05-28T07:41:42.79 |
IV.FDMO.HHN. | ML:1.0 | 0.00006654999999999999 | 0.26 | AML | other | m | 2020-05-28T07:41:43.06 |
IV.LNSS.HHN. | ML:1.2 | 0.00007805000000000001 | 0.98 | AML | other | m | 2020-05-28T07:41:43.81 |
IV.LNSS.HHE. | ML:1.2 | 0.00009005 | 0.66 | AML | other | m | 2020-05-28T07:41:44.35 |
IV.RM33.EHN. | ML:1.0 | 0.000037199999999999996 | 0.9 | AML | other | m | 2020-05-28T07:41:46.45 |
IV.RM33.EHE. | ML:1.1 | 0.0000492 | 0.98 | AML | other | m | 2020-05-28T07:41:46.22 |