A magnitude ML 1.1 earthquake occured in region: 5 km NE Norcia (PG), on
and geographic coordinates (lat, lon) 42.8350, 13.1120 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 | 5 | 4957 | 4957 |
Castelsantangelo sul Nera | MC | 8 | 281 | 5238 |
Preci | PG | 8 | 724 | 5962 |
Visso | MC | 11 | 1107 | 7069 |
Ussita | MC | 13 | 444 | 7513 |
Cascia | PG | 15 | 3217 | 10730 |
Cerreto di Spoleto | PG | 16 | 1075 | 11805 |
Sellano | PG | 16 | 1079 | 12884 |
Arquata del Tronto | AP | 17 | 1178 | 14062 |
Montegallo | AP | 18 | 523 | 14585 |
Accumoli | RI | 19 | 667 | 15252 |
Montemonaco | AP | 19 | 604 | 15856 |
Poggiodomo | PG | 20 | 117 | 15973 |
Monte Cavallo | MC | 20 | 145 | 16118 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2021-01-12 03:30:40 |
42.8347 | 13.1123 | 10 | 2021-01-12 03:37:41 |
Sala Sismica INGV-Roma | 86189421 |
Field | Value |
---|---|
Time (UTC) | 2021-01-12 03:30:40 ± 0.07 |
Latitude | 42.8347 ± 0.0036 |
Longitude | 13.1123 ± 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 | 86189421 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 392 |
Semi-minor axis of confidence ellipse (meter) | 290 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 295 |
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) | 125 |
Number of associated phases, regardless of their use for origin computation | 14 |
Number of defining phases | 13 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.18 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.41818 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.4 |
Num. used stations | 7 |
Type of magnitude | ML |
Reference to an origin | 86189421 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-01-12 03:37:41 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.LNSS.HHZ. | 2021-01-12T03:30:49.94 | 0.3 | undecidable | manual | S | 193 | 26.3514 | 110 | -0.12 | 72 |
IV.CESI.HHZ. | 2021-01-12T03:30:49.59 | 0.3 | undecidable | manual | S | 318 | 25.3524 | 111 | -0.13 | 72 |
IV.TERO.HHZ. | 2021-01-12T03:30:48.97 | 0.1 | undecidable | manual | P | 120 | 46.4202 | 50 | -0.12 | 93 |
IV.MMO1.EHZ. | 2021-01-12T03:30:47.52 | 0.1 | undecidable | manual | S | 68 | 18.87 | 117 | -0.15 | 97 |
IV.SMA1.EHZ. | 2021-01-12T03:30:46.56 | 0.1 | undecidable | manual | P | 141 | 29.0487 | 50 | 0.16 | 95 |
IV.LNSS.HHZ. | 2021-01-12T03:30:46.06 | 0.1 | undecidable | manual | P | 193 | 26.3514 | 110 | 0.11 | 96 |
IV.CSP1.EHZ. | 2021-01-12T03:30:46.30 | 0.1 | undecidable | manual | P | 15 | 29.5482 | 50 | -0.18 | 94 |
IV.CESI.HHZ. | 2021-01-12T03:30:45.82 | 0.1 | undecidable | manual | P | 318 | 25.3524 | 111 | 0.07 | 97 |
IV.MC2.EHZ. | 2021-01-12T03:30:45.45 | 0.3 | undecidable | manual | S | 36 | 10.5783 | 132 | 0.18 | 73 |
IV.MMO1.EHZ. | 2021-01-12T03:30:44.51 | 0.1 | undecidable | manual | P | 68 | 18.87 | 117 | -0.05 | 98 |
IV.NRCA.HNZ. | 2021-01-12T03:30:43.44 | 0.1 | undecidable | manual | S | 127 | 0.1998 | 179 | -0.22 | 98 |
IV.MC2.EHZ. | 2021-01-12T03:30:43.47 | 0.1 | undecidable | manual | P | 36 | 10.5783 | 132 | 0.29 | 95 |
IV.NRCA.HNZ. | 2021-01-12T03:30:42.38 | 0.1 | undecidable | manual | P | 127 | 0.1998 | 179 | 0.13 | 100 |
IV.MTCE.HHZ. | 2021-01-12T03:30:34.92 | 3.0 | undecidable | manual | P | -0.8 | 0 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:0.0 | 0.0008142669499999999 | 0.1392 | AML | other | m | 2021-01-12T03:30:43.49 |
IV.NRCA.HNN. | ML:0.0 | 0.0006598036 | 0.12 | AML | other | m | 2021-01-12T03:30:44.11 |
IV.TERO.HNE. | ML:2.2 | 0.00041549999999999996 | 0.8 | AML | other | m | 2021-01-12T03:30:55.55 |
IV.TERO.HNN. | ML:2.2 | 0.0004325 | 0.86 | AML | other | m | 2021-01-12T03:30:56.53 |
IV.CESI.HHN. | ML:1.0 | 0.00006594936 | 1.84 | AML | other | m | 2021-01-12T03:30:51.91 |
IV.LNSS.HHE. | ML:0.9 | 0.000046111185 | 0.2 | AML | other | m | 2021-01-12T03:30:50.64 |
IV.LNSS.HHN. | ML:1.0 | 0.000052302910000000004 | 0.8992 | AML | other | m | 2021-01-12T03:30:50.85 |
IV.SMA1.EHN. | ML:1.1 | 0.000070411065 | 2.1216 | AML | other | m | 2021-01-12T03:30:51.97 |
IV.TERO.HHE. | ML:0.8 | 0.000021870800000000004 | 1.3408 | AML | other | m | 2021-01-12T03:30:50.76 |