A magnitude ML 1.1 earthquake occured in region: 5 km E Norcia (PG), on
and geographic coordinates (lat, lon) 42.7940, 13.1550 at 8 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 | 11 | 281 | 5238 |
Arquata del Tronto | AP | 12 | 1178 | 6416 |
Accumoli | RI | 13 | 667 | 7083 |
Preci | PG | 13 | 724 | 7807 |
Cascia | PG | 14 | 3217 | 11024 |
Montegallo | AP | 16 | 523 | 11547 |
Visso | MC | 16 | 1107 | 12654 |
Ussita | MC | 17 | 444 | 13098 |
Montemonaco | AP | 18 | 604 | 13702 |
Cittareale | RI | 20 | 482 | 14184 |
Cerreto di Spoleto | PG | 20 | 1075 | 15259 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2021-01-09 18:47:33 |
42.7938 | 13.155 | 9 | 2021-01-09 18:57:28 |
Sala Sismica INGV-Roma | 86125931 |
Field | Value |
---|---|
Time (UTC) | 2021-01-09 18:47:33 ± 0.09 |
Latitude | 42.7938 ± 0.0045 |
Longitude | 13.1550 ± 0.0098 |
Depth (km) | 9 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 86125931 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 800 |
Semi-minor axis of confidence ellipse (meter) | 145 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 247 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 800.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 115 |
Number of associated phases, regardless of their use for origin computation | 23 |
Number of defining phases | 18 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.3 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.31836 |
Number of stations at which the event was observed | 14 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.3 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 86125931 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-01-09 18:57:28 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.LPDG.HHZ. | 2021-01-09T18:48:51.20 | 3.0 | positive | manual | Pn | 0.21 | 0 | |||
IV.MRB1.HHZ. | 2021-01-09T18:48:30.83 | 3.0 | undecidable | manual | Sn | 0 | 0 | |||
IV.CAMP.HHN. | 2021-01-09T18:47:45.78 | 0.6 | undecidable | manual | S | 144 | 35.3424 | 50 | -0.34 | 47 |
IV.CSP1.EHZ. | 2021-01-09T18:47:45.50 | 0.3 | undecidable | manual | S | 7 | 33.2445 | 104 | -0.07 | 73 |
IV.CESI.HNN. | 2021-01-09T18:47:44.93 | 0.6 | undecidable | manual | S | 319 | 31.0467 | 105 | 0.13 | 49 |
IV.SMA1.EHZ. | 2021-01-09T18:47:42.34 | 0.3 | undecidable | manual | S | 141 | 23.3544 | 110 | 0.08 | 74 |
IV.LNSS.HNE. | 2021-01-09T18:47:42.33 | 0.6 | undecidable | manual | S | 204 | 23.1546 | 110 | 0.12 | 49 |
IV.MTRA.EHZ. | 2021-01-09T18:47:41.52 | 0.6 | undecidable | manual | S | 102 | 20.0688 | 113 | 0.31 | 47 |
IV.T1299.EHZ. | 2021-01-09T18:47:41.80 | 0.6 | undecidable | manual | S | 150 | 20.5683 | 112 | 0.44 | 46 |
IV.POFI.HHZ. | 2021-01-09T18:47:41.30 | 3.0 | undecidable | manual | P | 0 | 0 | |||
IV.CESI.HNN. | 2021-01-09T18:47:40.93 | 0.1 | undecidable | manual | P | 319 | 31.0467 | 105 | 0.84 | 78 |
IV.CAMP.HHN. | 2021-01-09T18:47:40.40 | 0.1 | undecidable | manual | P | 144 | 35.3424 | 50 | -0.45 | 91 |
IV.CSP1.EHZ. | 2021-01-09T18:47:40.25 | 1.0 | negative | manual | P | 7 | 33.2445 | 104 | -0.28 | 23 |
IV.MC2.EHZ. | 2021-01-09T18:47:39.32 | 0.6 | undecidable | manual | S | 12 | 13.2756 | 122 | 0.19 | 50 |
IV.LNSS.HNE. | 2021-01-09T18:47:38.66 | 0.1 | undecidable | manual | P | 204 | 23.1546 | 110 | 0.07 | 99 |
IV.SMA1.EHZ. | 2021-01-09T18:47:38.44 | 0.1 | undecidable | manual | P | 141 | 23.3544 | 110 | -0.19 | 96 |
IV.FIR.HHZ. | 2021-01-09T18:47:38.57 | 3.0 | undecidable | manual | Pn | 0.01 | 0 | |||
IV.T1299.EHZ. | 2021-01-09T18:47:38.27 | 0.1 | undecidable | manual | P | 150 | 20.5683 | 112 | 0.18 | 97 |
IV.MTRA.EHZ. | 2021-01-09T18:47:37.96 | 0.1 | undecidable | manual | P | 102 | 20.0688 | 113 | -0.06 | 99 |
IV.MC2.EHZ. | 2021-01-09T18:47:36.93 | 0.1 | undecidable | manual | P | 12 | 13.2756 | 122 | 0.12 | 100 |
IV.NRCA.HHZ. | 2021-01-09T18:47:36.68 | 0.3 | undecidable | manual | S | 323 | 5.4945 | 147 | -0.47 | 66 |
IV.NRCA.HHZ. | 2021-01-09T18:47:35.43 | 0.1 | positive | manual | P | 323 | 5.4945 | 147 | -0.24 | 96 |
IV.RCAV.EHZ. | 2021-01-09T18:47:33.02 | 3.0 | undecidable | manual | P | -0.29 | 0 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:1.6 | 0.00079 | 1.9 | AML | other | m | 2021-01-09T18:47:36.98 |
IV.NRCA.HHN. | ML:1.5 | 0.0006515 | 0.94 | AML | other | m | 2021-01-09T18:47:37.64 |
IV.MTRA.EHN. | ML:1.0 | 0.00008035 | 0.32 | AML | other | m | 2021-01-09T18:47:41.83 |
IV.MTRA.EHE. | ML:1.0 | 0.00007505000000000001 | 0.42 | AML | other | m | 2021-01-09T18:47:44.16 |
IV.SMA1.EHE. | ML:0.9 | 0.000049095585 | 3.456 | AML | other | m | 2021-01-09T18:47:49.04 |
IV.SMA1.EHN. | ML:0.8 | 0.000042260653 | 1.1136 | AML | other | m | 2021-01-09T18:47:44.17 |