A magnitude ML 0.8 earthquake occured in region: 2 km NE Norcia (PG), on
and geographic coordinates (lat, lon) 42.8050, 13.1100 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 |
Preci | PG | 10 | 724 | 5681 |
Castelsantangelo sul Nera | MC | 11 | 281 | 5962 |
Cascia | PG | 12 | 3217 | 9179 |
Visso | MC | 14 | 1107 | 10286 |
Ussita | MC | 16 | 444 | 10730 |
Arquata del Tronto | AP | 16 | 1178 | 11908 |
Cerreto di Spoleto | PG | 16 | 1075 | 12983 |
Accumoli | RI | 17 | 667 | 13650 |
Poggiodomo | PG | 18 | 117 | 13767 |
Sellano | PG | 18 | 1079 | 14846 |
Montegallo | AP | 19 | 523 | 15369 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.8 | 2021-11-01 04:30:26 |
42.8052 | 13.1095 | 10 | 2021-11-01 04:37:19 |
Sala Sismica INGV-Roma | 97131611 |
Field | Value |
---|---|
Time (UTC) | 2021-11-01 04:30:26 ± 0.06 |
Latitude | 42.8052 ± 0.0045 |
Longitude | 13.1095 ± 0.0061 |
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 | 97131611 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 681 |
Semi-minor axis of confidence ellipse (meter) | 127 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 316 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 680.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 121 |
Number of associated phases, regardless of their use for origin computation | 21 |
Number of defining phases | 15 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.13 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.40649 |
Number of stations at which the event was observed | 17 |
Number of stations from which data was used for origin computation | 11 |
Field | Value |
---|---|
Value | 0.8 |
Uncertainty | 0.3 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 97131611 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-11-01 04:37:19 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.GENL.EHZ. | 2021-11-01T04:31:40.38 | 3.0 | undecidable | manual | Sn | 1.72 | 0 | |||
IV.TREG.EHZ. | 2021-11-01T04:31:36.46 | 3.0 | undecidable | manual | Sg | 1.32 | 0 | |||
IV.NDIM.HHZ. | 2021-11-01T04:31:26.33 | 3.0 | undecidable | manual | Sg | 2.25 | 0 | |||
IV.APRC.HHZ. | 2021-11-01T04:31:00.45 | 3.0 | positive | manual | Pg | 8.12 | 0 | |||
IV.ZEN8.EHZ. | 2021-11-01T04:30:53.50 | 3.0 | undecidable | manual | Pn | -7.94 | 0 | |||
IV.SSP9.EHZ. | 2021-11-01T04:30:49.19 | 3.0 | undecidable | manual | Sn | -4.9 | 0 | |||
IV.GAVE.EHZ. | 2021-11-01T04:30:35.12 | 0.3 | undecidable | manual | S | 235 | 21.5673 | 114 | -0.02 | 98 |
IV.TERO.HHZ. | 2021-11-01T04:30:35.46 | 1.0 | undecidable | manual | P | 116 | 45.1215 | 50 | 0.01 | 31 |
IV.MMO1.EHZ. | 2021-11-01T04:30:34.64 | 0.3 | undecidable | manual | S | 59 | 20.5683 | 116 | -0.17 | 95 |
IV.MF5.EHZ. | 2021-11-01T04:30:34.08 | 1.0 | negative | manual | P | 54 | 34.9428 | 50 | 0.2 | 31 |
IV.RM33.EHZ. | 2021-11-01T04:30:33.61 | 1.0 | negative | manual | P | 165 | 33.9438 | 50 | -0.12 | 31 |
IV.CSP1.EHZ. | 2021-11-01T04:30:33.31 | 0.6 | undecidable | manual | P | 14 | 32.745 | 50 | -0.23 | 61 |
IV.SMA1.EHZ. | 2021-11-01T04:30:32.98 | 1.0 | positive | manual | P | 136 | 26.751 | 50 | 0.36 | 30 |
IV.FDMO.HHZ. | 2021-11-01T04:30:32.20 | 1.0 | undecidable | manual | P | 356 | 25.752 | 111 | -0.23 | 31 |
IV.MC2.EHZ. | 2021-11-01T04:30:32.89 | 0.3 | undecidable | manual | S | 29 | 13.4754 | 126 | 0.2 | 96 |
IV.LNSS.HHZ. | 2021-11-01T04:30:31.91 | 0.6 | negative | manual | P | 194 | 23.1546 | 113 | -0.05 | 65 |
IV.MMO1.EHZ. | 2021-11-01T04:30:31.33 | 1.0 | undecidable | manual | P | 59 | 20.5683 | 116 | -0.15 | 32 |
IV.GAVE.EHZ. | 2021-11-01T04:30:31.71 | 0.6 | negative | manual | P | 235 | 21.5673 | 114 | 0.05 | 65 |
IV.MC2.EHZ. | 2021-11-01T04:30:30.50 | 0.6 | undecidable | manual | P | 29 | 13.4754 | 126 | 0.25 | 63 |
IV.NRCA.HHZ. | 2021-11-01T04:30:30.39 | 0.3 | undecidable | manual | S | 7 | 3.1968 | 162 | -0.11 | 99 |
IV.NRCA.HHZ. | 2021-11-01T04:30:29.05 | 0.3 | undecidable | manual | P | 7 | 3.1968 | 162 | 0.07 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.1 | 0.00021457375 | 0.1408 | AML | other | m | 2021-11-01T04:30:30.55 |
IV.NRCA.HHE. | ML:1.1 | 0.00024675625 | 0.16 | AML | other | m | 2021-11-01T04:30:30.55 |
IV.GAVE.EHN. | ML:0.7 | 0.0000329 | 1.82 | AML | other | m | 2021-11-01T04:30:36.96 |
IV.LNSS.HHE. | ML:1.0 | 0.00006115 | 0.12 | AML | other | m | 2021-11-01T04:30:36.25 |
IV.LNSS.HHN. | ML:0.8 | 0.00004190749 | 0.1408 | AML | other | m | 2021-11-01T04:30:36.24 |
IV.GAVE.EHE. | ML:0.6 | 0.000027365 | 1.54 | AML | other | m | 2021-11-01T04:30:56.98 |
IV.NRCA.HNE. | ML:1.1 | 0.00025036085 | 0.1376 | AML | other | m | 2021-11-01T04:30:30.55 |
IV.NRCA.HNN. | ML:1.0 | 0.00019921034500000002 | 0.1408 | AML | other | m | 2021-11-01T04:30:30.58 |
IV.FDMO.HHE. | ML:0.4 | 0.000016395945 | 0.08 | AML | other | m | 2021-11-01T04:30:36.20 |
IV.FDMO.HHN. | ML:0.5 | 0.000017555254999999998 | 0.0992 | AML | other | m | 2021-11-01T04:30:36.47 |
IV.RM33.EHE. | ML:0.4 | 0.0000116892503 | 0.16 | AML | other | m | 2021-11-01T04:30:39.64 |
IV.RM33.EHN. | ML:0.4 | 0.000009176977499999999 | 0.0992 | AML | other | m | 2021-11-01T04:30:39.65 |