A magnitude ML 0.9 earthquake occured in region: 2 km SW Norcia (PG), on
and geographic coordinates (lat, lon) 42.7750, 13.0850 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 | 2 | 4957 | 4957 |
Cascia | PG | 9 | 3217 | 8174 |
Preci | PG | 12 | 724 | 8898 |
Poggiodomo | PG | 14 | 117 | 9015 |
Castelsantangelo sul Nera | MC | 15 | 281 | 9296 |
Cerreto di Spoleto | PG | 15 | 1075 | 10371 |
Accumoli | RI | 16 | 667 | 11038 |
Arquata del Tronto | AP | 17 | 1178 | 12216 |
Monteleone di Spoleto | PG | 17 | 599 | 12815 |
Visso | MC | 18 | 1107 | 13922 |
Sellano | PG | 18 | 1079 | 15001 |
Vallo di Nera | PG | 18 | 364 | 15365 |
Cittareale | RI | 18 | 482 | 15847 |
Ussita | MC | 19 | 444 | 16291 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2018-12-08 20:31:01 |
42.7748 | 13.085 | 10 | 2018-12-08 20:39:46 |
Sala Sismica INGV-Roma | 63776451 |
Field | Value |
---|---|
Time (UTC) | 2018-12-08 20:31:01 ± 0.06 |
Latitude | 42.7748 ± 0.0027 |
Longitude | 13.0850 ± 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 | 63776451 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 303 |
Semi-minor axis of confidence ellipse (meter) | 202 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 264 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 300.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 69 |
Number of associated phases, regardless of their use for origin computation | 24 |
Number of defining phases | 24 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.19 |
Epicentral distance of station closest to the epicenter (degree) | 0.06205 |
Epicentral distance of station farthest from the epicenter (degree) | 0.37861 |
Number of stations at which the event was observed | 14 |
Number of stations from which data was used for origin computation | 14 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.3 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 63776451 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2018-12-08 20:39:46 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.FDMO.HHZ. | 2018-12-08T20:31:12.12 | 0.3 | undecidable | manual | S | 0 | 29.0487 | 50 | -0.3 | 70 |
IT.MTCL.HGZ. | 2018-12-08T20:31:11.07 | 0.6 | undecidable | manual | S | 344 | 25.2525 | 111 | -0.25 | 48 |
IV.SMA1.EHZ. | 2018-12-08T20:31:11.44 | 0.3 | undecidable | manual | S | 128 | 25.9518 | 111 | -0.1 | 74 |
IV.MMO1.EHZ. | 2018-12-08T20:31:10.57 | 0.3 | undecidable | manual | S | 55 | 24.0537 | 112 | -0.35 | 70 |
IV.T1299.HNZ. | 2018-12-08T20:31:10.49 | 0.3 | undecidable | manual | S | 134 | 22.3554 | 114 | 0.09 | 74 |
IV.MOMA.HNE. | 2018-12-08T20:31:10.01 | 0.1 | undecidable | manual | P | 275 | 42.0246 | 50 | 0.02 | 97 |
IV.FEMA.HNZ. | 2018-12-08T20:31:10.04 | 0.6 | undecidable | manual | S | 352 | 20.9679 | 115 | 0.09 | 50 |
IV.CSP1.EHZ. | 2018-12-08T20:31:09.54 | 0.6 | undecidable | manual | P | 15 | 36.4413 | 50 | 0.41 | 45 |
IV.LNSS.HHZ. | 2018-12-08T20:31:09.28 | 0.3 | undecidable | manual | S | 191 | 19.4694 | 117 | -0.19 | 73 |
IV.MC2.EHZ. | 2018-12-08T20:31:09.10 | 0.3 | undecidable | manual | S | 29 | 17.3715 | 119 | 0.28 | 72 |
IV.GAVE.EHZ. | 2018-12-08T20:31:08.79 | 0.3 | undecidable | manual | S | 240 | 18.0708 | 118 | -0.25 | 72 |
IV.RM33.EHZ. | 2018-12-08T20:31:08.17 | 1.0 | positive | manual | P | 160 | 31.3464 | 50 | -0.17 | 24 |
IV.MMO1.EHZ. | 2018-12-08T20:31:07.16 | 0.6 | undecidable | manual | P | 55 | 24.0537 | 112 | 0.04 | 50 |
IV.SMA1.EHZ. | 2018-12-08T20:31:07.63 | 0.3 | undecidable | manual | P | 128 | 25.9518 | 111 | 0.16 | 73 |
IV.MTRA.EHZ. | 2018-12-08T20:31:07.12 | 0.3 | undecidable | manual | P | 94 | 25.4523 | 111 | -0.27 | 71 |
IV.FDMO.HHZ. | 2018-12-08T20:31:07.90 | 0.3 | undecidable | manual | P | 0 | 29.0487 | 50 | -0.08 | 74 |
IT.MTCL.HGZ. | 2018-12-08T20:31:07.23 | 0.1 | undecidable | manual | P | 344 | 25.2525 | 111 | -0.12 | 98 |
IV.T1299.HNZ. | 2018-12-08T20:31:06.99 | 0.3 | undecidable | manual | P | 134 | 22.3554 | 114 | 0.17 | 73 |
IV.MC2.EHZ. | 2018-12-08T20:31:06.07 | 0.3 | undecidable | manual | P | 29 | 17.3715 | 119 | 0.16 | 74 |
IV.FEMA.HNZ. | 2018-12-08T20:31:06.88 | 0.1 | undecidable | manual | P | 352 | 20.9679 | 115 | 0.33 | 94 |
IV.GAVE.EHZ. | 2018-12-08T20:31:06.26 | 0.3 | undecidable | manual | P | 240 | 18.0708 | 118 | 0.22 | 73 |
IV.LNSS.HHZ. | 2018-12-08T20:31:06.36 | 0.1 | undecidable | manual | P | 191 | 19.4694 | 117 | 0.08 | 100 |
IV.NRCA.HHZ. | 2018-12-08T20:31:05.86 | 0.1 | undecidable | manual | S | 20 | 6.8931 | 145 | -0.21 | 99 |
IV.NRCA.HHZ. | 2018-12-08T20:31:04.49 | 0.1 | undecidable | manual | P | 20 | 6.8931 | 145 | 0.17 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.3 | 0.00033800000000000003 | 0.14 | AML | other | m | 2018-12-08T20:31:05.90 |
IV.NRCA.HHE. | ML:1.4 | 0.000395 | 0.72 | AML | other | m | 2018-12-08T20:31:06.03 |
IV.GAVE.EHE. | ML:0.9 | 0.00006584995 | 0.1664 | AML | other | m | 2018-12-08T20:31:09.40 |
IV.GAVE.EHN. | ML:0.6 | 0.00002863429 | 0.2432 | AML | other | m | 2018-12-08T20:31:09.31 |
IV.LNSS.HHE. | ML:0.7 | 0.000039941503499999997 | 0.2816 | AML | other | m | 2018-12-08T20:31:09.50 |
IV.LNSS.HHN. | ML:0.5 | 0.000025106145 | 0.2176 | AML | other | m | 2018-12-08T20:31:09.64 |
IV.SMA1.EHE. | ML:1.1 | 0.00006470409500000001 | 1.8304 | AML | other | m | 2018-12-08T20:31:11.81 |
IV.SMA1.EHN. | ML:1.1 | 0.00007655431 | 1.92 | AML | other | m | 2018-12-08T20:31:11.97 |
IV.FDMO.HHN. | ML:0.8 | 0.000035210674999999996 | 2.4192 | AML | other | m | 2018-12-08T20:31:12.70 |
IV.FDMO.HHE. | ML:0.8 | 0.000031657583500000005 | 1.7024 | AML | other | m | 2018-12-08T20:31:12.66 |
IV.RM33.EHN. | ML:0.9 | 0.0000388516 | 1.6384 | AML | other | m | 2018-12-08T20:31:13.16 |
IV.RM33.EHE. | ML:0.9 | 0.000041454 | 1.5104 | AML | other | m | 2018-12-08T20:31:13.04 |