A magnitude ML 1.1 earthquake occured in region: 2 km SW Norcia (PG), on
and geographic coordinates (lat, lon) 42.7720, 13.0840 at 10 km depth.
The earthquake was located by: Bollettino Sismico Italiano INGV.
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 |
Cascia | PG | 8 | 3217 | 8174 |
Preci | PG | 13 | 724 | 8898 |
Poggiodomo | PG | 14 | 117 | 9015 |
Cerreto di Spoleto | PG | 15 | 1075 | 10090 |
Castelsantangelo sul Nera | MC | 15 | 281 | 10371 |
Accumoli | RI | 16 | 667 | 11038 |
Monteleone di Spoleto | PG | 17 | 599 | 11637 |
Arquata del Tronto | AP | 17 | 1178 | 12815 |
Visso | MC | 18 | 1107 | 13922 |
Vallo di Nera | PG | 18 | 364 | 14286 |
Sellano | PG | 18 | 1079 | 15365 |
Cittareale | RI | 18 | 482 | 15847 |
Ussita | MC | 20 | 444 | 16291 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.1 | 2021-03-18 21:33:03 |
42.7723 | 13.0842 | 10 | 2021-07-12 16:55:08 |
Bollettino Sismico Italiano INGV | 89370581 |
Reviewed Rev100 |
ML 1.1 | 2021-03-18 21:33:03 |
42.7775 | 13.0742 | 9 | 2021-03-18 21:39:57 |
Sala Sismica INGV-Roma | 88261301 |
Field | Value |
---|---|
Time (UTC) | 2021-03-18 21:33:03 ± 0.05 |
Latitude | 42.7723 ± 0.0027 |
Longitude | 13.0842 ± 0.0049 |
Depth (km) | 10 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 89370581 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 266 |
Semi-minor axis of confidence ellipse (meter) | 263 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 283 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 320.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 71 |
Number of associated phases, regardless of their use for origin computation | 29 |
Number of defining phases | 29 |
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) | 0.15918 |
Epicentral distance of station farthest from the epicenter (degree) | 0.55668 |
Number of stations at which the event was observed | 17 |
Number of stations from which data was used for origin computation | 17 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.2 |
Num. used stations | 16 |
Type of magnitude | ML |
Reference to an origin | 89370581 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-04-22 19:47:45 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.2 |
Num. used stations | 16 |
Type of magnitude | ML |
Reference to an origin | 88261301 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-03-18 21:39:57 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.TERO.HHZ. | 2021-03-18T21:33:18.29 | 0.6 | undecidable | manual | S | 111 | 45.5211 | 50 | -0.22 | 47 |
IV.MF5.EHZ. | 2021-03-18T21:33:18.12 | 0.6 | undecidable | manual | S | 52 | 38.7279 | 50 | 1.41 | 29 |
IV.CSP1.EHZ. | 2021-03-18T21:33:16.16 | 0.6 | undecidable | manual | S | 15 | 36.741 | 50 | -0.02 | 49 |
IV.ATCC.EHZ. | 2021-03-18T21:33:14.18 | 0.3 | undecidable | manual | P | 322 | 58.2972 | 50 | 0 | 71 |
IV.CESI.HHZ. | 2021-03-18T21:33:14.20 | 0.6 | undecidable | manual | S | 331 | 29.6481 | 50 | -0.07 | 50 |
IV.RM33.EHZ. | 2021-03-18T21:33:14.64 | 0.6 | undecidable | manual | S | 160 | 31.1466 | 50 | -0.02 | 50 |
IV.EL6.EHZ. | 2021-03-18T21:33:14.73 | 0.3 | undecidable | manual | P | 1 | 61.7937 | 50 | 0 | 70 |
IV.SMA1.EHZ. | 2021-03-18T21:33:13.64 | 0.6 | undecidable | manual | S | 127 | 25.8519 | 111 | 0.43 | 46 |
IV.MMO1.EHZ. | 2021-03-18T21:33:12.58 | 0.1 | undecidable | manual | S | 54 | 24.2535 | 112 | -0.13 | 98 |
IT.MTCL.HGZ. | 2021-03-18T21:33:12.78 | 0.6 | undecidable | manual | S | 344 | 25.5522 | 111 | -0.33 | 47 |
IV.ASSB.HHZ. | 2021-03-18T21:33:12.12 | 0.3 | undecidable | manual | P | 311 | 45.7209 | 50 | -0.14 | 71 |
IV.MTRA.EHZ. | 2021-03-18T21:33:12.97 | 0.6 | undecidable | manual | S | 94 | 25.4523 | 111 | -0.14 | 49 |
IV.MC2.EHZ. | 2021-03-18T21:33:11.04 | 0.6 | undecidable | manual | S | 29 | 17.6712 | 119 | 0.41 | 47 |
IV.MF5.EHZ. | 2021-03-18T21:33:11.62 | 0.3 | undecidable | manual | P | 52 | 38.7279 | 50 | 0.44 | 67 |
IV.TERO.HHZ. | 2021-03-18T21:33:11.92 | 0.1 | undecidable | manual | P | 111 | 45.5211 | 50 | -0.3 | 92 |
IV.LNSS.HHZ. | 2021-03-18T21:33:11.00 | 0.3 | undecidable | manual | S | 191 | 19.1697 | 117 | -0.09 | 74 |
IV.GAVE.EHZ. | 2021-03-18T21:33:10.88 | 0.3 | undecidable | manual | S | 240 | 17.871 | 119 | 0.19 | 74 |
IV.ARRO.EHZ. | 2021-03-18T21:33:10.47 | 0.3 | undecidable | manual | P | 231 | 33.6441 | 50 | 0.08 | 73 |
IV.CSP1.EHZ. | 2021-03-18T21:33:10.78 | 0.1 | undecidable | manual | P | 15 | 36.741 | 50 | -0.09 | 97 |
IV.RM33.EHZ. | 2021-03-18T21:33:09.76 | 0.1 | undecidable | manual | P | 160 | 31.1466 | 50 | -0.24 | 95 |
IV.MTRA.EHZ. | 2021-03-18T21:33:09.04 | 0.1 | undecidable | manual | P | 94 | 25.4523 | 111 | -0.06 | 99 |
IV.SMA1.EHZ. | 2021-03-18T21:33:09.13 | 0.1 | undecidable | manual | P | 127 | 25.8519 | 111 | -0.03 | 100 |
IV.CESI.HHZ. | 2021-03-18T21:33:09.63 | 0.1 | undecidable | manual | P | 331 | 29.6481 | 50 | -0.14 | 97 |
IT.MTCL.HGZ. | 2021-03-18T21:33:08.94 | 0.1 | undecidable | manual | P | 344 | 25.5522 | 111 | -0.17 | 97 |
IV.FEMA.HNZ. | 2021-03-18T21:33:08.26 | 0.3 | undecidable | manual | P | 352 | 21.2676 | 115 | -0.05 | 75 |
IV.MMO1.EHZ. | 2021-03-18T21:33:08.74 | 0.1 | undecidable | manual | P | 54 | 24.2535 | 112 | -0.13 | 98 |
IV.LNSS.HHZ. | 2021-03-18T21:33:08.03 | 0.1 | undecidable | manual | P | 191 | 19.1697 | 117 | 0.09 | 100 |
IV.MC2.EHZ. | 2021-03-18T21:33:07.90 | 0.1 | undecidable | manual | P | 29 | 17.6712 | 119 | 0.23 | 98 |
IV.GAVE.EHZ. | 2021-03-18T21:33:07.98 | 0.1 | undecidable | manual | P | 240 | 17.871 | 119 | 0.27 | 97 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.GAVE.EHE. | ML:1.0 | 0.00008355 | 0.26 | AML | other | m | 2021-03-18T21:33:11.12 |
IV.LNSS.HHE. | ML:1.3 | 0.0001605 | 0.7 | AML | other | m | 2021-03-18T21:33:11.44 |
IV.GAVE.EHN. | ML:1.0 | 0.00007944999999999999 | 0.22 | AML | other | m | 2021-03-18T21:33:11.63 |
IV.LNSS.HHN. | ML:1.3 | 0.000161 | 1.22 | AML | other | m | 2021-03-18T21:33:12.82 |
IV.MTRA.EHE. | ML:1.1 | 0.0000697 | 1.02 | AML | other | m | 2021-03-18T21:33:13.64 |
IV.MTRA.EHN. | ML:1.2 | 0.00008549999999999999 | 0.36 | AML | other | m | 2021-03-18T21:33:13.65 |
IV.CESI.HHN. | ML:1.0 | 0.000048549999999999994 | 0.48 | AML | other | m | 2021-03-18T21:33:14.72 |
IV.RM33.EHN. | ML:0.9 | 0.0000412 | 1.18 | AML | other | m | 2021-03-18T21:33:15.13 |
IV.RM33.EHE. | ML:1.0 | 0.00004455 | 1.26 | AML | other | m | 2021-03-18T21:33:15.22 |
IV.SMA1.EHE. | ML:1.1 | 0.00006504196500000001 | 0.3456 | AML | other | m | 2021-03-18T21:33:16.49 |
IV.SMA1.EHN. | ML:1.0 | 0.00005377933 | 0.3456 | AML | other | m | 2021-03-18T21:33:17.25 |
IV.CESI.HHE. | ML:0.8 | 0.0000324 | 0.86 | AML | other | m | 2021-03-18T21:33:17.72 |
IV.TERO.HHN. | ML:1.2 | 0.000044 | 0.56 | AML | other | m | 2021-03-18T21:33:18.93 |
IV.TERO.HHE. | ML:0.8 | 0.000021400000000000002 | 0.54 | AML | other | m | 2021-03-18T21:33:18.95 |
IV.ASSB.HHE. | ML:1.0 | 0.00002895 | 0.48 | AML | other | m | 2021-03-18T21:33:20.28 |
IV.ASSB.HHN. | ML:1.1 | 0.0000326 | 0.7 | AML | other | m | 2021-03-18T21:33:20.80 |