A magnitude ML 1.1 earthquake occured in region: 4 km E Norcia (PG), on
and geographic coordinates (lat, lon) 42.7920, 13.1440 at 10 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 | 12 | 281 | 5238 |
Arquata del Tronto | AP | 13 | 1178 | 6416 |
Preci | PG | 13 | 724 | 7140 |
Cascia | PG | 13 | 3217 | 10357 |
Accumoli | RI | 14 | 667 | 11024 |
Visso | MC | 16 | 1107 | 12131 |
Montegallo | AP | 17 | 523 | 12654 |
Ussita | MC | 17 | 444 | 13098 |
Cerreto di Spoleto | PG | 19 | 1075 | 14173 |
Poggiodomo | PG | 19 | 117 | 14290 |
Montemonaco | AP | 19 | 604 | 14894 |
Cittareale | RI | 19 | 482 | 15376 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2021-09-26 05:38:03 |
42.7925 | 13.1442 | 10 | 2021-09-26 05:44:26 |
Sala Sismica INGV-Roma | 95890761 |
Field | Value |
---|---|
Time (UTC) | 2021-09-26 05:38:03 ± 0.07 |
Latitude | 42.7925 ± 0.0036 |
Longitude | 13.1442 ± 0.0049 |
Depth (km) | 10 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 95890761 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 395 |
Semi-minor axis of confidence ellipse (meter) | 350 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 118 |
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) | 80 |
Number of associated phases, regardless of their use for origin computation | 19 |
Number of defining phases | 17 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.17 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.34444 |
Number of stations at which the event was observed | 12 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.2 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 95890761 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-09-26 05:44:26 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.VIVA.HHZ. | 2021-09-26T05:38:38.25 | 3.0 | undecidable | manual | S | -0.14 | 0 | |||
IV.MML1.EHZ. | 2021-09-26T05:38:16.53 | 0.6 | undecidable | manual | S | 339 | 38.2284 | 50 | 0.01 | 49 |
IV.CESI.HHZ. | 2021-09-26T05:38:14.00 | 0.6 | undecidable | manual | S | 321 | 30.5472 | 50 | -0.46 | 45 |
IV.MNTT.EHZ. | 2021-09-26T05:38:13.73 | 3.0 | negative | manual | P | 1.37 | 0 | |||
IV.LNSS.HHZ. | 2021-09-26T05:38:12.20 | 0.6 | undecidable | manual | S | 202 | 22.6551 | 114 | 0.03 | 50 |
IV.MTRA.EHZ. | 2021-09-26T05:38:11.20 | 0.6 | undecidable | manual | S | 101 | 20.9679 | 115 | -0.42 | 46 |
IV.MML1.EHZ. | 2021-09-26T05:38:11.19 | 1.0 | undecidable | manual | P | 339 | 38.2284 | 50 | 0.14 | 24 |
IV.MMO1.EHZ. | 2021-09-26T05:38:10.93 | 0.6 | undecidable | manual | S | 51 | 18.9699 | 117 | -0.09 | 49 |
IV.MF5.EHZ. | 2021-09-26T05:38:10.68 | 0.6 | negative | manual | P | 50 | 33.5442 | 50 | 0.35 | 46 |
IV.CESI.HHZ. | 2021-09-26T05:38:09.82 | 0.3 | undecidable | manual | P | 321 | 30.5472 | 50 | -0.05 | 73 |
IV.MC2.EHZ. | 2021-09-26T05:38:09.69 | 0.6 | undecidable | manual | S | 15 | 13.6752 | 126 | 0.24 | 48 |
IV.LNSS.HHZ. | 2021-09-26T05:38:08.60 | 0.1 | undecidable | manual | P | 202 | 22.6551 | 114 | 0.06 | 99 |
IV.GAVE.EHZ. | 2021-09-26T05:38:08.70 | 0.6 | negative | manual | P | 241 | 23.1546 | 113 | 0.06 | 49 |
IV.MTRA.EHZ. | 2021-09-26T05:38:08.20 | 0.1 | undecidable | manual | P | 101 | 20.9679 | 115 | -0.03 | 100 |
IV.SMA1.EHZ. | 2021-09-26T05:38:08.85 | 1.0 | negative | manual | P | 139 | 23.754 | 113 | 0.1 | 24 |
IV.MC2.EHZ. | 2021-09-26T05:38:07.17 | 0.1 | undecidable | manual | P | 15 | 13.6752 | 126 | 0.2 | 98 |
IV.MMO1.EHZ. | 2021-09-26T05:38:07.86 | 1.0 | undecidable | manual | P | 51 | 18.9699 | 117 | -0.02 | 25 |
IV.NRCA.HHZ. | 2021-09-26T05:38:07.10 | 0.6 | undecidable | manual | S | 332 | 5.1948 | 152 | -0.36 | 48 |
IV.NRCA.HHZ. | 2021-09-26T05:38:05.92 | 0.6 | undecidable | manual | P | 332 | 5.1948 | 152 | 0.1 | 51 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HNE. | ML:1.3 | 0.00034950000000000004 | 0.16 | AML | other | m | 2021-09-26T05:38:07.23 |
IV.NRCA.HHE. | ML:1.3 | 0.00034550000000000005 | 0.16 | AML | other | m | 2021-09-26T05:38:07.23 |
IV.NRCA.HNN. | ML:1.2 | 0.0002875 | 0.06 | AML | other | m | 2021-09-26T05:38:07.23 |
IV.NRCA.HHN. | ML:1.3 | 0.0003585 | 0.08 | AML | other | m | 2021-09-26T05:38:07.22 |
IV.MTRA.EHN. | ML:1.0 | 0.0000656 | 0.26 | AML | other | m | 2021-09-26T05:38:11.79 |
IV.MTRA.EHE. | ML:1.0 | 0.00007500000000000001 | 0.24 | AML | other | m | 2021-09-26T05:38:11.91 |
IV.LNSS.HHE. | ML:1.3 | 0.00013900000000000002 | 0.26 | AML | other | m | 2021-09-26T05:38:12.52 |
IV.LNSS.HHN. | ML:1.4 | 0.000185 | 0.2 | AML | other | m | 2021-09-26T05:38:12.56 |
IV.GAVE.EHN. | ML:0.8 | 0.000038150000000000006 | 1.48 | AML | other | m | 2021-09-26T05:38:12.82 |
IV.GAVE.EHE. | ML:0.8 | 0.00004145 | 0.2 | AML | other | m | 2021-09-26T05:38:12.89 |
IV.MML1.EHN. | ML:0.9 | 0.00002845 | 1.24 | AML | other | m | 2021-09-26T05:38:17.73 |
IV.MML1.EHE. | ML:1.0 | 0.00003635 | 0.12 | AML | other | m | 2021-09-26T05:38:17.14 |