A magnitude ML 1.8 earthquake occured in region: 3 km E Norcia (PG), on
and geographic coordinates (lat, lon) 42.8070, 13.1300 at 10 km depth.
The earthquake was located by: Bollettino Sismico Italiano INGV.
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 | 14 | 3217 | 9179 |
Arquata del Tronto | AP | 14 | 1178 | 10357 |
Visso | MC | 14 | 1107 | 11464 |
Ussita | MC | 15 | 444 | 11908 |
Accumoli | RI | 16 | 667 | 12575 |
Montegallo | AP | 17 | 523 | 13098 |
Cerreto di Spoleto | PG | 17 | 1075 | 14173 |
Sellano | PG | 19 | 1079 | 15252 |
Poggiodomo | PG | 19 | 117 | 15369 |
Montemonaco | AP | 19 | 604 | 15973 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.8 | 2020-12-08 23:58:25 |
42.8073 | 13.1297 | 10 | 2021-02-26 14:56:19 |
Bollettino Sismico Italiano INGV | 87206831 |
Reviewed Rev100 |
ML 1.7 | 2020-12-08 23:58:25 |
42.8088 | 13.1323 | 10 | 2020-12-09 00:07:16 |
Sala Sismica INGV-Roma | 85300831 |
Field | Value |
---|---|
Time (UTC) | 2020-12-08 23:58:25 ± 0.05 |
Latitude | 42.8073 ± 0.0027 |
Longitude | 13.1297 ± 0.0037 |
Depth (km) | 10 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 87206831 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 334 |
Semi-minor axis of confidence ellipse (meter) | 208 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 254 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 330.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 84 |
Number of associated phases, regardless of their use for origin computation | 36 |
Number of defining phases | 36 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.21 |
Epicentral distance of station closest to the epicenter (degree) | 0.02878 |
Epicentral distance of station farthest from the epicenter (degree) | 0.52251 |
Number of stations at which the event was observed | 19 |
Number of stations from which data was used for origin computation | 19 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.3 |
Num. used stations | 21 |
Type of magnitude | ML |
Reference to an origin | 87206831 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-02-16 09:31:49 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.3 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 85300831 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-12-09 00:07:16 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.EL6.EHZ. | 2020-12-08T23:58:43.90 | 0.6 | undecidable | manual | S | 358 | 57.9975 | 50 | 0.55 | 41 |
IV.TERO.HHZ. | 2020-12-08T23:58:39.11 | 0.6 | undecidable | manual | S | 118 | 43.7229 | 50 | -0.45 | 44 |
IV.MF5.EHZ. | 2020-12-08T23:58:37.33 | 0.6 | undecidable | manual | S | 53 | 33.4443 | 50 | 0.51 | 44 |
IV.CSP1.EHZ. | 2020-12-08T23:58:36.28 | 0.6 | undecidable | manual | S | 11 | 32.1456 | 50 | -0.18 | 47 |
IV.GUMA.HHZ. | 2020-12-08T23:58:36.94 | 0.6 | undecidable | manual | S | 30 | 32.8449 | 50 | 0.28 | 46 |
IV.EL6.EHZ. | 2020-12-08T23:58:35.84 | 0.6 | undecidable | manual | P | 358 | 57.9975 | 50 | 0.17 | 45 |
IV.CESI.HHZ. | 2020-12-08T23:58:35.39 | 0.6 | undecidable | manual | S | 320 | 28.5492 | 50 | -0.11 | 48 |
IV.SMA1.EHZ. | 2020-12-08T23:58:34.47 | 0.6 | undecidable | manual | S | 139 | 25.752 | 50 | -0.3 | 47 |
IV.LNSS.HHZ. | 2020-12-08T23:58:34.22 | 0.3 | undecidable | manual | S | 198 | 23.8539 | 113 | 0.04 | 74 |
IV.GAVE.HNZ. | 2020-12-08T23:58:34.14 | 0.3 | undecidable | manual | S | 236 | 23.0547 | 114 | 0.21 | 72 |
IV.MNTT.EHZ. | 2020-12-08T23:58:34.78 | 0.3 | undecidable | manual | P | 53 | 47.2194 | 50 | 0.75 | 58 |
IV.FDMO.HHZ. | 2020-12-08T23:58:34.31 | 0.3 | undecidable | manual | S | 352 | 25.6521 | 50 | -0.41 | 68 |
IV.T1299.EHN. | 2020-12-08T23:58:33.89 | 0.3 | undecidable | manual | S | 147 | 22.8549 | 114 | 0.01 | 75 |
IV.MTRA.EHE. | 2020-12-08T23:58:33.59 | 0.6 | undecidable | manual | S | 104 | 22.4553 | 114 | -0.15 | 48 |
IV.TERO.HHZ. | 2020-12-08T23:58:33.13 | 0.6 | undecidable | manual | P | 118 | 43.7229 | 50 | -0.36 | 45 |
IT.MTCL.HGZ. | 2020-12-08T23:58:33.64 | 0.6 | undecidable | manual | S | 333 | 23.2545 | 113 | -0.36 | 46 |
IV.MF5.EHZ. | 2020-12-08T23:58:32.07 | 0.3 | undecidable | manual | P | 53 | 33.4443 | 50 | 0.16 | 71 |
IV.MMO1.EHZ. | 2020-12-08T23:58:32.41 | 0.3 | undecidable | manual | S | 57 | 18.9699 | 118 | -0.26 | 71 |
IV.CAMP.HHN. | 2020-12-08T23:58:32.24 | 0.6 | undecidable | manual | P | 143 | 37.7289 | 50 | -0.33 | 45 |
IV.FEMA.HNZ. | 2020-12-08T23:58:32.44 | 0.1 | undecidable | manual | S | 339 | 18.3705 | 119 | -0.03 | 100 |
IV.GUMA.HHZ. | 2020-12-08T23:58:31.91 | 0.1 | undecidable | manual | P | 30 | 32.8449 | 50 | 0.09 | 96 |
IV.MC2.EHZ. | 2020-12-08T23:58:31.04 | 0.3 | undecidable | manual | S | 23 | 12.4764 | 129 | 0.26 | 72 |
IV.SMA1.EHZ. | 2020-12-08T23:58:31.05 | 0.6 | undecidable | manual | P | 139 | 25.752 | 50 | 0.32 | 46 |
IV.CESI.HHZ. | 2020-12-08T23:58:31.11 | 0.3 | undecidable | manual | P | 320 | 28.5492 | 50 | -0.04 | 74 |
IV.CSP1.EHZ. | 2020-12-08T23:58:31.59 | 0.1 | undecidable | manual | P | 11 | 32.1456 | 50 | -0.11 | 96 |
IV.FDMO.HHZ. | 2020-12-08T23:58:30.45 | 0.1 | undecidable | manual | P | 352 | 25.6521 | 50 | -0.25 | 94 |
IV.T1299.EHN. | 2020-12-08T23:58:30.32 | 0.1 | undecidable | manual | P | 147 | 22.8549 | 114 | 0.11 | 98 |
IV.MTRA.EHE. | 2020-12-08T23:58:30.18 | 0.3 | undecidable | manual | P | 104 | 22.4553 | 114 | 0.05 | 74 |
IV.LNSS.HHZ. | 2020-12-08T23:58:30.33 | 0.3 | undecidable | manual | P | 198 | 23.8539 | 113 | -0.06 | 74 |
IT.MTCL.HGZ. | 2020-12-08T23:58:30.15 | 0.1 | undecidable | manual | P | 333 | 23.2545 | 113 | -0.13 | 97 |
IV.GAVE.HNZ. | 2020-12-08T23:58:30.34 | 0.1 | undecidable | manual | P | 236 | 23.0547 | 114 | 0.1 | 98 |
IV.FEMA.HNZ. | 2020-12-08T23:58:29.49 | 0.3 | undecidable | manual | P | 339 | 18.3705 | 119 | 0.09 | 74 |
IV.MMO1.EHZ. | 2020-12-08T23:58:29.35 | 0.1 | undecidable | manual | P | 57 | 18.9699 | 118 | -0.16 | 97 |
IV.NRCA.HHZ. | 2020-12-08T23:58:28.70 | 0.1 | undecidable | manual | S | 337 | 3.1968 | 163 | -0.17 | 100 |
IV.MC2.EHZ. | 2020-12-08T23:58:28.60 | 0.1 | undecidable | manual | P | 23 | 12.4764 | 129 | 0.18 | 98 |
IV.NRCA.HHZ. | 2020-12-08T23:58:27.48 | 0.1 | undecidable | manual | P | 337 | 3.1968 | 163 | 0.15 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HNN. | ML:2.3 | 0.003945000000000001 | 0.12 | AML | other | m | 2020-12-08T23:58:28.83 |
IV.NRCA.HHN. | ML:2.4 | 0.00423 | 0.12 | AML | other | m | 2020-12-08T23:58:28.83 |
IV.NRCA.HHE. | ML:2.1 | 0.0020786075 | 0.1024 | AML | other | m | 2020-12-08T23:58:28.97 |
IV.NRCA.HNE. | ML:2.1 | 0.0021799659999999998 | 0.0896 | AML | other | m | 2020-12-08T23:58:28.97 |
IV.FDMO.HHE. | ML:1.3 | 0.00012462965000000002 | 0.2432 | AML | other | m | 2020-12-08T23:58:34.56 |
IV.LNSS.HHE. | ML:2.0 | 0.0005695868 | 0.1152 | AML | other | m | 2020-12-08T23:58:34.60 |
IV.LNSS.HHN. | ML:1.8 | 0.00044090765000000004 | 0.1536 | AML | other | m | 2020-12-08T23:58:34.64 |
IV.FDMO.HHN. | ML:1.4 | 0.00015539035 | 0.1408 | AML | other | m | 2020-12-08T23:58:35.06 |
IV.CESI.HHE. | ML:1.4 | 0.00012652105 | 0.1024 | AML | other | m | 2020-12-08T23:58:35.49 |
IV.CESI.HHN. | ML:1.5 | 0.00015004345 | 0.1408 | AML | other | m | 2020-12-08T23:58:35.71 |
IV.CSP1.EHE. | ML:1.8 | 0.00026633185000000004 | 0.1536 | AML | other | m | 2020-12-08T23:58:36.77 |
IV.CSP1.EHN. | ML:1.8 | 0.00027636744999999996 | 0.1408 | AML | other | m | 2020-12-08T23:58:36.42 |
IV.LNSS.HNN. | ML:1.8 | 0.00040447030000000003 | 0.1536 | AML | other | m | 2020-12-08T23:58:34.65 |
IV.LNSS.HNE. | ML:1.9 | 0.0005400776999999999 | 0.1408 | AML | other | m | 2020-12-08T23:58:34.61 |
IV.CESI.HNE. | ML:1.4 | 0.000133731385 | 0.3712 | AML | other | m | 2020-12-08T23:58:35.49 |
IV.CESI.HNN. | ML:1.4 | 0.00013922879999999998 | 0.6016 | AML | other | m | 2020-12-08T23:58:35.42 |
IV.GUMA.HHN. | ML:1.9 | 0.0003612101 | 0.2816 | AML | other | m | 2020-12-08T23:58:37.80 |
IV.GUMA.HNE. | ML:1.9 | 0.0003328619 | 0.1792 | AML | other | m | 2020-12-08T23:58:37.59 |
IV.GUMA.HHE. | ML:1.8 | 0.00029899755 | 0.2688 | AML | other | m | 2020-12-08T23:58:38.94 |
IV.EL6.EHN. | ML:1.6 | 0.00008377665000000001 | 0.1792 | AML | other | m | 2020-12-08T23:58:44.42 |
IV.EL6.EHE. | ML:1.4 | 0.0000505849 | 0.2048 | AML | other | m | 2020-12-08T23:58:44.24 |