A magnitude ML 1.2 earthquake occured in region: 3 km W Norcia (PG), on
and geographic coordinates (lat, lon) 42.8030, 13.0590 at 11 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 | 3 | 4957 | 4957 |
Preci | PG | 9 | 724 | 5681 |
Cascia | PG | 10 | 3217 | 8898 |
Cerreto di Spoleto | PG | 12 | 1075 | 9973 |
Castelsantangelo sul Nera | MC | 13 | 281 | 10254 |
Poggiodomo | PG | 14 | 117 | 10371 |
Sellano | PG | 14 | 1079 | 11450 |
Visso | MC | 15 | 1107 | 12557 |
Vallo di Nera | PG | 16 | 364 | 12921 |
Ussita | MC | 17 | 444 | 13365 |
Monteleone di Spoleto | PG | 19 | 599 | 13964 |
Accumoli | RI | 20 | 667 | 14631 |
Sant'Anatolia di Narco | PG | 20 | 564 | 15195 |
Arquata del Tronto | AP | 20 | 1178 | 16373 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.2 | 2021-10-16 01:03:06 |
42.8028 | 13.0588 | 11 | 2021-10-16 03:13:16 |
Sala Sismica INGV-Roma | 96633141 |
Field | Value |
---|---|
Time (UTC) | 2021-10-16 01:03:06 ± 0.07 |
Latitude | 42.8028 ± 0.0027 |
Longitude | 13.0588 ± 0.0061 |
Depth (km) | 11 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 96633141 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 512 |
Semi-minor axis of confidence ellipse (meter) | 300 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 89 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 510.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 103 |
Number of associated phases, regardless of their use for origin computation | 20 |
Number of defining phases | 18 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.21 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.23472 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.1 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 96633141 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-10-16 03:13:16 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.T1299.HNZ. | 2021-10-16T01:03:16.09 | 0.3 | undecidable | manual | S | 136 | 26.0517 | 50 | 0.41 | 67 |
IV.MMO1.EHZ. | 2021-10-16T01:03:15.11 | 0.3 | undecidable | manual | S | 64 | 24.2535 | 50 | -0.08 | 72 |
IV.FDMO.HHZ. | 2021-10-16T01:03:15.72 | 0.1 | undecidable | manual | S | 5 | 26.0517 | 50 | 0.06 | 97 |
IV.CESI.HHZ. | 2021-10-16T01:03:15.63 | 0.3 | undecidable | manual | S | 331 | 25.6521 | 50 | 0.06 | 73 |
IT.MTCL.HGZ. | 2021-10-16T01:03:14.55 | 0.1 | undecidable | manual | S | 347 | 21.7671 | 50 | 0.04 | 98 |
IV.LNSS.HHZ. | 2021-10-16T01:03:14.38 | 0.1 | undecidable | manual | S | 184 | 22.2555 | 50 | -0.26 | 93 |
IV.MC2.EHZ. | 2021-10-16T01:03:13.17 | 0.3 | undecidable | manual | S | 41 | 16.0728 | 124 | 0.21 | 72 |
IV.GAVE.EHZ. | 2021-10-16T01:03:13.76 | 0.3 | undecidable | manual | S | 228 | 18.1707 | 50 | 0.2 | 71 |
IV.SMA1.EHZ. | 2021-10-16T01:03:13.10 | 3.0 | undecidable | manual | P | 0 | ||||
IV.CSP1.EHZ. | 2021-10-16T01:03:12.36 | 3.0 | negative | manual | P | -0.85 | 0 | |||
IV.CESI.HHZ. | 2021-10-16T01:03:11.73 | 0.1 | undecidable | manual | P | 331 | 25.6521 | 50 | 0.11 | 96 |
IV.MMO1.EHZ. | 2021-10-16T01:03:11.15 | 0.1 | undecidable | manual | P | 64 | 24.2535 | 50 | -0.25 | 93 |
IV.T1299.HNZ. | 2021-10-16T01:03:11.77 | 0.1 | undecidable | manual | P | 136 | 26.0517 | 50 | 0.09 | 96 |
IV.FDMO.HHZ. | 2021-10-16T01:03:11.72 | 0.1 | undecidable | manual | P | 5 | 26.0517 | 50 | 0.05 | 97 |
IV.GAVE.EHZ. | 2021-10-16T01:03:10.59 | 0.1 | undecidable | manual | P | 228 | 18.1707 | 50 | 0.13 | 97 |
IV.NRCA.HHZ. | 2021-10-16T01:03:10.34 | 0.1 | undecidable | manual | S | 53 | 5.6943 | 153 | -0.16 | 98 |
IV.LNSS.HHZ. | 2021-10-16T01:03:10.91 | 0.1 | undecidable | manual | P | 184 | 22.2555 | 50 | -0.17 | 95 |
IV.MC2.EHZ. | 2021-10-16T01:03:10.21 | 0.1 | undecidable | manual | P | 41 | 16.0728 | 124 | 0.1 | 98 |
IT.MTCL.HGZ. | 2021-10-16T01:03:10.43 | 0.3 | undecidable | manual | P | 347 | 21.7671 | 50 | -0.58 | 65 |
IV.NRCA.HHZ. | 2021-10-16T01:03:08.76 | 0.1 | undecidable | manual | P | 53 | 5.6943 | 153 | 0.07 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.GAVE.EHN. | ML:1.3 | 0.00015099999999999998 | 0.18 | AML | other | m | 2021-10-16T01:03:14.03 |
IV.GAVE.EHE. | ML:1.2 | 0.00013604025 | 0.4 | AML | other | m | 2021-10-16T01:03:13.81 |
IV.LNSS.HHE. | ML:1.0 | 0.000058274095 | 0.34 | AML | other | m | 2021-10-16T01:03:14.57 |
IV.LNSS.HHN. | ML:1.1 | 0.00008263315999999999 | 0.14 | AML | other | m | 2021-10-16T01:03:14.85 |