A magnitude ML 1.3 earthquake occured in region: 4 km E Norcia (PG), on
and geographic coordinates (lat, lon) 42.7990, 13.1370 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 | 4 | 4957 | 4957 |
Castelsantangelo sul Nera | MC | 11 | 281 | 5238 |
Preci | PG | 12 | 724 | 5962 |
Arquata del Tronto | AP | 13 | 1178 | 7140 |
Cascia | PG | 13 | 3217 | 10357 |
Accumoli | RI | 15 | 667 | 11024 |
Visso | MC | 15 | 1107 | 12131 |
Ussita | MC | 16 | 444 | 12575 |
Montegallo | AP | 17 | 523 | 13098 |
Cerreto di Spoleto | PG | 18 | 1075 | 14173 |
Poggiodomo | PG | 19 | 117 | 14290 |
Montemonaco | AP | 19 | 604 | 14894 |
Sellano | PG | 20 | 1079 | 15973 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.3 | 2021-09-02 08:46:32 |
42.799 | 13.1367 | 11 | 2021-09-02 08:51:58 |
Sala Sismica INGV-Roma | 94951931 |
Field | Value |
---|---|
Time (UTC) | 2021-09-02 08:46:32 ± 0.05 |
Latitude | 42.7990 ± 0.0045 |
Longitude | 13.1367 ± 0.0049 |
Depth (km) | 11 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 94951931 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 402 |
Semi-minor axis of confidence ellipse (meter) | 342 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 138 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 400.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 96 |
Number of associated phases, regardless of their use for origin computation | 16 |
Number of defining phases | 16 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.12 |
Epicentral distance of station closest to the epicenter (degree) | 0.03867 |
Epicentral distance of station farthest from the epicenter (degree) | 0.38581 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.3 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 94951931 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-09-02 08:51:58 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.LNSS.HHZ. | 2021-09-02T08:46:41.03 | 0.6 | undecidable | manual | S | 200 | 23.1546 | 50 | -0.02 | 69 |
IV.MTRA.EHZ. | 2021-09-02T08:46:40.35 | 0.6 | undecidable | manual | S | 102 | 21.6672 | 50 | -0.32 | 65 |
IV.GAVE.EHZ. | 2021-09-02T08:46:40.91 | 0.6 | undecidable | manual | S | 239 | 23.0547 | 50 | -0.12 | 68 |
IV.TERO.HHZ. | 2021-09-02T08:46:40.48 | 0.3 | negative | manual | P | 117 | 42.8238 | 50 | 0.05 | 100 |
IV.PF6.EHN. | 2021-09-02T08:46:39.50 | 0.6 | undecidable | manual | P | 7 | 37.9287 | 50 | -0.17 | 66 |
IV.MMO1.EHZ. | 2021-09-02T08:46:39.87 | 0.6 | undecidable | manual | S | 54 | 19.0698 | 50 | -0.1 | 69 |
IV.CSP1.EHN. | 2021-09-02T08:46:38.86 | 0.6 | undecidable | manual | P | 10 | 32.9448 | 50 | -0.05 | 68 |
IV.MC2.EHZ. | 2021-09-02T08:46:38.56 | 0.6 | undecidable | manual | S | 19 | 13.1757 | 130 | 0.21 | 68 |
IV.FDMO.HHZ. | 2021-09-02T08:46:37.81 | 0.6 | positive | manual | P | 351 | 26.6511 | 50 | -0.13 | 68 |
IV.LNSS.HHZ. | 2021-09-02T08:46:37.41 | 0.6 | undecidable | manual | P | 200 | 23.1546 | 50 | 0.01 | 69 |
IV.MTRA.EHZ. | 2021-09-02T08:46:37.54 | 1.0 | undecidable | manual | P | 102 | 21.6672 | 50 | 0.37 | 32 |
IV.GAVE.EHZ. | 2021-09-02T08:46:37.52 | 0.6 | positive | manual | P | 239 | 23.0547 | 50 | 0.14 | 68 |
IV.MC2.EHZ. | 2021-09-02T08:46:36.00 | 0.6 | positive | manual | P | 19 | 13.1757 | 130 | 0.17 | 69 |
IV.MMO1.EHZ. | 2021-09-02T08:46:36.73 | 1.0 | undecidable | manual | P | 54 | 19.0698 | 50 | -0.04 | 35 |
IV.NRCA.HNZ. | 2021-09-02T08:46:36.31 | 0.6 | undecidable | manual | S | 335 | 4.2957 | 159 | -0.17 | 68 |
IV.NRCA.HNZ. | 2021-09-02T08:46:34.87 | 1.0 | undecidable | manual | P | 335 | 4.2957 | 159 | 0.12 | 35 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:1.7 | 0.0007989999999999999 | 0.16 | AML | other | m | 2021-09-02T08:46:36.35 |
IV.NRCA.HHN. | ML:1.5 | 0.0004856261 | 0.0768 | AML | other | m | 2021-09-02T08:46:36.56 |
IV.GAVE.EHN. | ML:1.0 | 0.000066306295 | 0.1216 | AML | other | m | 2021-09-02T08:46:41.67 |
IV.GAVE.EHE. | ML:1.2 | 0.00009240000000000001 | 1.72 | AML | other | m | 2021-09-02T08:46:41.99 |
IV.LNSS.HHN. | ML:1.0 | 0.00006418268000000001 | 0.1152 | AML | other | m | 2021-09-02T08:46:42.17 |
IV.LNSS.HHE. | ML:1.0 | 0.000068203115 | 0.1984 | AML | other | m | 2021-09-02T08:46:41.79 |
IV.NRCA.HNE. | ML:1.6 | 0.0007270325 | 0.1472 | AML | other | m | 2021-09-02T08:46:36.36 |
IV.NRCA.HNN. | ML:1.4 | 0.0004310698 | 0.0704 | AML | other | m | 2021-09-02T08:46:36.53 |
IV.GAVE.HNE. | ML:1.4 | 0.00014519165 | 1.1328 | AML | other | m | 2021-09-02T08:46:43.49 |
IV.GAVE.HNN. | ML:1.3 | 0.00013717970000000002 | 1.4976 | AML | other | m | 2021-09-02T08:46:41.42 |