A magnitude ML 0.7 earthquake occured in region: 3 km E Norcia (PG), on
and geographic coordinates (lat, lon) 42.8060, 13.1270 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 | 3 | 4957 | 4957 |
Castelsantangelo sul Nera | MC | 10 | 281 | 5238 |
Preci | PG | 11 | 724 | 5962 |
Cascia | PG | 13 | 3217 | 9179 |
Arquata del Tronto | AP | 14 | 1178 | 10357 |
Visso | MC | 14 | 1107 | 11464 |
Ussita | MC | 16 | 444 | 11908 |
Accumoli | RI | 16 | 667 | 12575 |
Cerreto di Spoleto | PG | 17 | 1075 | 13650 |
Montegallo | AP | 17 | 523 | 14173 |
Sellano | PG | 19 | 1079 | 15252 |
Poggiodomo | PG | 19 | 117 | 15369 |
Montemonaco | AP | 20 | 604 | 15973 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.7 | 2021-12-31 05:45:16 |
42.8057 | 13.1272 | 10 | 2021-12-31 13:39:52 |
Sala Sismica INGV-Roma | 99193401 |
Field | Value |
---|---|
Time (UTC) | 2021-12-31 05:45:16 ± 0.05 |
Latitude | 42.8057 ± 0.0027 |
Longitude | 13.1272 ± 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 | 99193401 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 476 |
Semi-minor axis of confidence ellipse (meter) | 181 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 126 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 480.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 141 |
Number of associated phases, regardless of their use for origin computation | 33 |
Number of defining phases | 17 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.11 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.70507 |
Number of stations at which the event was observed | 23 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 0.7 |
Uncertainty | 0.2 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 99193401 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-12-31 13:39:52 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CDRU.HHZ. | 2021-12-31T05:46:42.11 | 3.0 | undecidable | manual | Sg | 6.3 | 0 | |||
IV.CMPR.HNZ. | 2021-12-31T05:46:37.28 | 3.0 | undecidable | manual | Sn | -1.99 | 0 | |||
GU.TRAV.HHZ. | 2021-12-31T05:46:34.20 | 3.0 | negative | manual | Pn | 7.24 | 0 | |||
IV.SELL.HHZ. | 2021-12-31T05:46:21.98 | 3.0 | negative | manual | Pn | -4 | 0 | |||
IV.EUCT.HNZ. | 2021-12-31T05:46:21.69 | 3.0 | positive | manual | Pg | 8.14 | 0 | |||
CH.BERNI.HHZ. | 2021-12-31T05:46:20.27 | 3.0 | undecidable | manual | Pn | -0.01 | 0 | |||
IV.COLB.HHZ. | 2021-12-31T05:46:16.42 | 3.0 | undecidable | manual | Sn | -2.09 | 0 | |||
IV.FREG.EHZ. | 2021-12-31T05:46:14.81 | 3.0 | positive | manual | Pg | 7.88 | 0 | |||
IV.NOCI.HHZ. | 2021-12-31T05:46:13.80 | 3.0 | negative | manual | Pn | 2.62 | 0 | |||
IV.CADC.EHZ. | 2021-12-31T05:46:10.04 | 3.0 | negative | manual | Pn | 0.99 | 0 | |||
IV.BRSN.EHZ. | 2021-12-31T05:46:05.12 | 3.0 | undecidable | manual | Sn | -2.2 | 0 | |||
IX.COL3.HHZ.02 | 2021-12-31T05:46:04.69 | 3.0 | undecidable | manual | Pg | 5.71 | 0 | |||
IV.NDIM.HHZ. | 2021-12-31T05:46:03.78 | 3.0 | positive | manual | Pg | 5.5 | 0 | |||
IV.CDRU.HHZ. | 2021-12-31T05:46:02.11 | 3.0 | undecidable | manual | Pn | 1.1 | 0 | |||
IV.CMPR.HNZ. | 2021-12-31T05:46:00.94 | 3.0 | undecidable | manual | Pn | -2.01 | 0 | |||
IV.LPEL.HHZ. | 2021-12-31T05:45:52.61 | 3.0 | undecidable | manual | S | -0.68 | 0 | |||
IV.ARVD.HHZ. | 2021-12-31T05:45:29.42 | 1.0 | negative | manual | P | 349 | 78.2661 | 50 | -0.21 | 21 |
IV.CSP1.EHZ. | 2021-12-31T05:45:27.52 | 0.6 | undecidable | manual | S | 11 | 32.3454 | 50 | 0.18 | 46 |
IV.CESI.HHZ. | 2021-12-31T05:45:26.31 | 0.6 | undecidable | manual | S | 321 | 28.5492 | 50 | -0.01 | 48 |
IV.FDMO.HHZ. | 2021-12-31T05:45:25.28 | 0.6 | undecidable | manual | S | 353 | 25.8519 | 50 | -0.31 | 46 |
IV.GAVE.EHZ. | 2021-12-31T05:45:24.73 | 0.6 | undecidable | manual | S | 237 | 22.755 | 114 | 0.04 | 49 |
IV.LNSS.HHZ. | 2021-12-31T05:45:24.91 | 0.6 | undecidable | manual | S | 198 | 23.5542 | 113 | -0.03 | 49 |
IV.MMO1.EHZ. | 2021-12-31T05:45:23.51 | 0.6 | undecidable | manual | S | 57 | 19.2696 | 118 | -0.08 | 49 |
IV.CSP1.EHZ. | 2021-12-31T05:45:22.61 | 0.1 | undecidable | manual | P | 11 | 32.3454 | 50 | 0.05 | 95 |
IV.CESI.HHZ. | 2021-12-31T05:45:22.00 | 0.1 | undecidable | manual | P | 321 | 28.5492 | 50 | 0.03 | 97 |
IV.LNSS.HHZ. | 2021-12-31T05:45:21.10 | 0.3 | positive | manual | P | 198 | 23.5542 | 113 | -0.08 | 72 |
IV.MC2.EHZ. | 2021-12-31T05:45:21.86 | 0.6 | undecidable | manual | S | 23 | 12.7761 | 129 | 0.17 | 48 |
IV.FDMO.HHZ. | 2021-12-31T05:45:21.50 | 1.0 | positive | manual | P | 353 | 25.8519 | 50 | -0.05 | 24 |
IV.GAVE.EHZ. | 2021-12-31T05:45:21.11 | 0.1 | undecidable | manual | P | 237 | 22.755 | 114 | 0.08 | 97 |
IV.MMO1.EHZ. | 2021-12-31T05:45:20.33 | 1.0 | positive | manual | P | 57 | 19.2696 | 118 | -0.07 | 24 |
IV.NRCA.HNZ. | 2021-12-31T05:45:19.46 | 0.6 | undecidable | manual | S | 341 | 3.2967 | 162 | -0.28 | 48 |
IV.MC2.EHZ. | 2021-12-31T05:45:19.56 | 1.0 | negative | manual | P | 23 | 12.7761 | 129 | 0.26 | 24 |
IV.NRCA.HNZ. | 2021-12-31T05:45:18.24 | 0.1 | undecidable | manual | P | 341 | 3.2967 | 162 | 0.07 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.LNSS.HHE. | ML:0.9 | 0.000051500000000000005 | 1.76 | AML | other | m | 2021-12-31T05:45:25.07 |
IV.LNSS.HHN. | ML:0.8 | 0.00003375 | 0.2 | AML | other | m | 2021-12-31T05:45:25.13 |
IV.MC2.EHE. | ML:0.8 | 0.000063266265 | 0.2624 | AML | other | m | 2021-12-31T05:45:23.33 |
IV.MC2.EHN. | ML:0.9 | 0.00008949153 | 0.2208 | AML | other | m | 2021-12-31T05:45:23.17 |
IV.MMO1.EHE. | ML:0.6 | 0.0000304844855 | 5.0176 | AML | other | m | 2021-12-31T05:45:21.11 |
IV.MMO1.EHN. | ML:0.4 | 0.000021284012500000002 | 0.16 | AML | other | m | 2021-12-31T05:45:24.04 |
IV.FDMO.HHE. | ML:0.4 | 0.00001486437 | 4.2624 | AML | other | m | 2021-12-31T05:45:30.19 |
IV.FDMO.HHN. | ML:0.6 | 0.000023365919999999997 | 6.8192 | AML | other | m | 2021-12-31T05:45:25.77 |