A magnitude ML 1.8 earthquake occured in region: 3 km E Norcia (PG), on
and geographic coordinates (lat, lon) 42.8020, 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 | 11 | 281 | 5238 |
Preci | PG | 11 | 724 | 5962 |
Cascia | PG | 13 | 3217 | 9179 |
Arquata del Tronto | AP | 14 | 1178 | 10357 |
Visso | MC | 15 | 1107 | 11464 |
Accumoli | RI | 15 | 667 | 12131 |
Ussita | MC | 16 | 444 | 12575 |
Montegallo | AP | 17 | 523 | 13098 |
Cerreto di Spoleto | PG | 18 | 1075 | 14173 |
Poggiodomo | PG | 19 | 117 | 14290 |
Sellano | PG | 19 | 1079 | 15369 |
Montemonaco | AP | 20 | 604 | 15973 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.8 | 2021-01-18 15:40:43 |
42.8015 | 13.1298 | 10 | 2021-07-12 16:55:00 |
Bollettino Sismico Italiano INGV | 87629051 |
Reviewed Rev100 |
ML 1.8 | 2021-01-18 15:40:43 |
42.8013 | 13.1387 | 10 | 2021-01-18 15:46:43 |
Sala Sismica INGV-Roma | 86354581 |
Field | Value |
---|---|
Time (UTC) | 2021-01-18 15:40:43 ± 0.05 |
Latitude | 42.8015 ± 0.0027 |
Longitude | 13.1298 ± 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 | 87629051 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 321 |
Semi-minor axis of confidence ellipse (meter) | 179 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 81 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 320.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 47 |
Number of associated phases, regardless of their use for origin computation | 56 |
Number of defining phases | 55 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.28 |
Epicentral distance of station closest to the epicenter (degree) | 0.03417 |
Epicentral distance of station farthest from the epicenter (degree) | 0.70956 |
Number of stations at which the event was observed | 28 |
Number of stations from which data was used for origin computation | 28 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.3 |
Num. used stations | 24 |
Type of magnitude | ML |
Reference to an origin | 86354581 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-01-18 15:46:43 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.3 |
Num. used stations | 26 |
Type of magnitude | ML |
Reference to an origin | 87629051 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-03-02 15:21:57 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ARVD.HHZ. | 2021-01-18T15:41:08.15 | 0.3 | undecidable | manual | S | 349 | 78.7656 | 50 | 0.81 | 54 |
IV.EL6.EHZ. | 2021-01-18T15:41:02.41 | 0.3 | undecidable | manual | S | 358 | 58.5969 | 50 | 0.45 | 64 |
IV.ATCC.EHZ. | 2021-01-18T15:41:02.45 | 0.6 | undecidable | manual | S | 317 | 58.1973 | 50 | 0.59 | 41 |
IV.MOMA.HHZ. | 2021-01-18T15:40:59.00 | 0.3 | undecidable | manual | S | 271 | 45.5211 | 50 | 0.52 | 64 |
IV.MNTT.EHZ. | 2021-01-18T15:40:59.98 | 3.0 | undecidable | manual | S | 52 | 47.619 | 50 | 0.96 | 0 |
IV.CESX.HHE. | 2021-01-18T15:40:59.51 | 0.3 | undecidable | manual | S | 244 | 49.2174 | 50 | 0.07 | 71 |
IV.ASSB.HHZ. | 2021-01-18T15:40:58.79 | 0.3 | undecidable | manual | S | 305 | 46.7199 | 50 | 0.01 | 72 |
IV.TERO.HHZ. | 2021-01-18T15:40:57.56 | 0.6 | undecidable | manual | S | 117 | 43.4232 | 50 | -0.35 | 45 |
IV.SAP2.EHE. | 2021-01-18T15:40:57.63 | 0.3 | undecidable | manual | S | 34 | 39.3273 | 50 | 0.8 | 58 |
IV.MDAR.HNN. | 2021-01-18T15:40:57.58 | 0.3 | undecidable | manual | S | 1 | 43.4232 | 50 | -0.32 | 68 |
IV.ARRO.EHZ. | 2021-01-18T15:40:56.37 | 0.3 | undecidable | manual | S | 230 | 38.628 | 50 | -0.25 | 69 |
IV.ARVD.HHZ. | 2021-01-18T15:40:56.80 | 0.6 | undecidable | manual | P | 349 | 78.7656 | 50 | -0.47 | 41 |
IV.MF5.EHZ. | 2021-01-18T15:40:55.84 | 0.3 | undecidable | manual | S | 52 | 33.8439 | 50 | 0.49 | 66 |
IV.PF6.EHN. | 2021-01-18T15:40:55.87 | 0.3 | undecidable | manual | S | 8 | 37.629 | 50 | -0.5 | 66 |
IV.CAMP.HHZ. | 2021-01-18T15:40:55.92 | 0.3 | undecidable | manual | S | 142 | 37.2294 | 50 | -0.34 | 68 |
IV.RM33.EHZ. | 2021-01-18T15:40:55.08 | 0.3 | undecidable | manual | S | 168 | 33.1446 | 50 | -0.09 | 72 |
IV.GUMA.HHZ. | 2021-01-18T15:40:55.51 | 0.3 | undecidable | manual | S | 30 | 33.4443 | 50 | 0.27 | 70 |
IV.EL6.EHZ. | 2021-01-18T15:40:54.00 | 0.1 | undecidable | manual | P | 358 | 58.5969 | 50 | -0.16 | 91 |
IV.ATCC.EHZ. | 2021-01-18T15:40:54.14 | 0.1 | undecidable | manual | P | 317 | 58.1973 | 50 | 0.03 | 93 |
IV.CSP1.EHZ. | 2021-01-18T15:40:54.71 | 0.3 | undecidable | manual | S | 11 | 32.745 | 50 | -0.35 | 69 |
IV.CESI.HHZ. | 2021-01-18T15:40:53.78 | 0.3 | undecidable | manual | S | 321 | 29.0487 | 50 | -0.29 | 70 |
IV.MNTT.EHZ. | 2021-01-18T15:40:53.27 | 0.3 | undecidable | manual | P | 52 | 47.619 | 50 | 0.8 | 57 |
IV.CESX.HHE. | 2021-01-18T15:40:52.70 | 0.3 | undecidable | manual | P | 244 | 49.2174 | 50 | -0.01 | 72 |
IT.MTCL.HGZ. | 2021-01-18T15:40:52.01 | 0.3 | undecidable | manual | S | 334 | 23.8539 | 112 | -0.41 | 69 |
IV.ASSB.HHZ. | 2021-01-18T15:40:52.18 | 0.1 | undecidable | manual | P | 305 | 46.7199 | 50 | -0.15 | 93 |
IV.LNSS.HHZ. | 2021-01-18T15:40:52.61 | 0.3 | undecidable | manual | S | 198 | 23.2545 | 112 | 0.39 | 69 |
IV.MOMA.HHZ. | 2021-01-18T15:40:52.49 | 0.1 | undecidable | manual | P | 271 | 45.5211 | 50 | 0.33 | 90 |
IV.SMA1.EHZ. | 2021-01-18T15:40:52.86 | 0.3 | undecidable | manual | S | 138 | 25.2525 | 111 | -0.04 | 74 |
IV.FDMO.HHZ. | 2021-01-18T15:40:52.64 | 0.3 | undecidable | manual | S | 352 | 26.2515 | 110 | -0.58 | 65 |
IV.T1299.HNN. | 2021-01-18T15:40:52.14 | 0.3 | undecidable | manual | S | 146 | 22.3554 | 113 | 0.2 | 72 |
IV.TERO.HHZ. | 2021-01-18T15:40:51.43 | 0.1 | undecidable | manual | P | 117 | 43.4232 | 50 | -0.4 | 89 |
IV.SAP2.EHE. | 2021-01-18T15:40:51.45 | 0.1 | undecidable | manual | P | 34 | 39.3273 | 50 | 0.25 | 92 |
IV.MTRA.EHZ. | 2021-01-18T15:40:51.69 | 0.3 | undecidable | manual | S | 103 | 22.2555 | 113 | -0.23 | 72 |
IV.MDAR.HNN. | 2021-01-18T15:40:51.48 | 0.6 | undecidable | manual | P | 1 | 43.4232 | 50 | -0.34 | 45 |
IV.ARRO.EHZ. | 2021-01-18T15:40:51.00 | 0.1 | undecidable | manual | P | 230 | 38.628 | 50 | -0.08 | 96 |
IV.RM33.EHZ. | 2021-01-18T15:40:50.13 | 0.1 | undecidable | manual | P | 168 | 33.1446 | 50 | -0.12 | 96 |
IV.GUMA.HHZ. | 2021-01-18T15:40:50.35 | 0.1 | undecidable | manual | P | 30 | 33.4443 | 50 | 0.07 | 97 |
IV.FEMA.HNE. | 2021-01-18T15:40:50.75 | 0.6 | undecidable | manual | S | 340 | 18.9699 | 117 | -0.13 | 49 |
IV.MF5.EHZ. | 2021-01-18T15:40:50.53 | 0.1 | undecidable | manual | P | 52 | 33.8439 | 50 | 0.18 | 95 |
IV.PF6.EHN. | 2021-01-18T15:40:50.65 | 0.1 | undecidable | manual | P | 8 | 37.629 | 50 | -0.29 | 92 |
IV.CAMP.HHZ. | 2021-01-18T15:40:50.58 | 0.1 | undecidable | manual | P | 142 | 37.2294 | 50 | -0.29 | 92 |
IV.MMO1.EHZ. | 2021-01-18T15:40:50.93 | 0.3 | undecidable | manual | S | 56 | 19.3695 | 116 | -0.07 | 74 |
IV.CESI.HHZ. | 2021-01-18T15:40:49.45 | 0.1 | undecidable | manual | P | 321 | 29.0487 | 50 | -0.16 | 96 |
IV.MC2.EHZ. | 2021-01-18T15:40:49.51 | 0.3 | undecidable | manual | S | 21 | 13.0758 | 126 | 0.37 | 71 |
IV.CSP1.EHZ. | 2021-01-18T15:40:49.94 | 0.1 | undecidable | manual | P | 11 | 32.745 | 50 | -0.24 | 94 |
IV.SMA1.EHZ. | 2021-01-18T15:40:48.84 | 0.1 | undecidable | manual | P | 138 | 25.2525 | 111 | -0.09 | 98 |
IV.FDMO.HHZ. | 2021-01-18T15:40:48.92 | 0.1 | undecidable | manual | P | 352 | 26.2515 | 110 | -0.2 | 96 |
IV.T1299.HNN. | 2021-01-18T15:40:48.73 | 0.1 | undecidable | manual | P | 146 | 22.3554 | 113 | 0.35 | 93 |
IV.MTRA.EHZ. | 2021-01-18T15:40:48.28 | 0.1 | undecidable | manual | P | 103 | 22.2555 | 113 | -0.09 | 98 |
IT.MTCL.HGZ. | 2021-01-18T15:40:48.56 | 0.1 | undecidable | manual | P | 334 | 23.8539 | 112 | -0.1 | 98 |
IV.LNSS.HHZ. | 2021-01-18T15:40:48.62 | 0.1 | undecidable | manual | P | 198 | 23.2545 | 112 | 0.08 | 99 |
IV.NRCA.HNZ. | 2021-01-18T15:40:47.00 | 0.3 | undecidable | manual | S | 340 | 3.7962 | 158 | -0.07 | 76 |
IV.MMO1.EHZ. | 2021-01-18T15:40:47.80 | 0.1 | undecidable | manual | P | 56 | 19.3695 | 116 | -0.04 | 100 |
IV.MC2.EHZ. | 2021-01-18T15:40:47.06 | 0.1 | positive | manual | P | 21 | 13.0758 | 126 | 0.3 | 96 |
IV.FEMA.HNE. | 2021-01-18T15:40:47.91 | 0.3 | undecidable | manual | P | 340 | 18.9699 | 117 | 0.14 | 73 |
IV.NRCA.HNZ. | 2021-01-18T15:40:45.83 | 0.1 | undecidable | manual | P | 340 | 3.7962 | 158 | 0.26 | 98 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:2.3 | 0.0034349999999999997 | 0.14 | AML | other | m | 2021-01-18T15:40:47.17 |
IV.NRCA.HNN. | ML:2.2 | 0.0031 | 0.16 | AML | other | m | 2021-01-18T15:40:47.18 |
IV.NRCA.HHE. | ML:2.2 | 0.002485 | 0.12 | AML | other | m | 2021-01-18T15:40:47.78 |
IV.NRCA.HNE. | ML:2.1 | 0.002485 | 0.12 | AML | other | m | 2021-01-18T15:40:47.78 |
IV.MTRA.EHE. | ML:1.4 | 0.00019076285 | 0.1664 | AML | other | m | 2021-01-18T15:40:52.79 |
IV.LNSS.HHE. | ML:2.2 | 0.0009415 | 0.4 | AML | other | m | 2021-01-18T15:40:52.90 |
IV.MTRA.EHN. | ML:1.6 | 0.0002475 | 0.7 | AML | other | m | 2021-01-18T15:40:52.57 |
IV.LNSS.HHN. | ML:2.0 | 0.0007235000000000001 | 0.16 | AML | other | m | 2021-01-18T15:40:52.95 |
IV.FDMO.HHN. | ML:1.7 | 0.0002945 | 0.28 | AML | other | m | 2021-01-18T15:40:53.21 |
IV.FDMO.HHE. | ML:1.6 | 0.0002135 | 0.26 | AML | other | m | 2021-01-18T15:40:53.36 |
IV.SMA1.EHN. | ML:1.5 | 0.00016899125 | 0.2048 | AML | other | m | 2021-01-18T15:40:54.62 |
IV.CESI.HHN. | ML:1.9 | 0.0003955 | 0.34 | AML | other | m | 2021-01-18T15:40:54.19 |
IV.CESI.HHE. | ML:1.8 | 0.00029000000000000006 | 0.2 | AML | other | m | 2021-01-18T15:40:54.22 |
IV.CSP1.EHE. | ML:2.0 | 0.00040849999999999995 | 0.5 | AML | other | m | 2021-01-18T15:40:55.15 |
IV.CSP1.EHN. | ML:2.0 | 0.0004205 | 0.84 | AML | other | m | 2021-01-18T15:40:55.51 |
IV.RM33.EHN. | ML:1.5 | 0.00014150000000000002 | 0.26 | AML | other | m | 2021-01-18T15:40:55.76 |
IV.RM33.EHE. | ML:1.5 | 0.00015099999999999998 | 0.12 | AML | other | m | 2021-01-18T15:40:55.75 |
IV.GUMA.HHN. | ML:1.7 | 0.0001955 | 1.2 | AML | other | m | 2021-01-18T15:40:56.34 |
IV.SMA1.EHE. | ML:1.6 | 0.00025885365 | 0.384 | AML | other | m | 2021-01-18T15:40:56.49 |
IV.GUMA.HHE. | ML:1.8 | 0.00028149999999999996 | 0.28 | AML | other | m | 2021-01-18T15:40:57.61 |
IV.MOMA.HHE. | ML:1.8 | 0.0001655 | 0.2 | AML | other | m | 2021-01-18T15:40:59.98 |
IV.MOMA.HHN. | ML:1.5 | 0.0000829 | 0.94 | AML | other | m | 2021-01-18T15:40:59.54 |
IV.EL6.EHE. | ML:1.9 | 0.00016499999999999997 | 1 | AML | other | m | 2021-01-18T15:41:03.25 |
IV.EL6.EHN. | ML:1.9 | 0.000169 | 0.72 | AML | other | m | 2021-01-18T15:41:03.51 |
IV.MTRA.HNE. | ML:1.4 | 0.00017695339999999999 | 0.1792 | AML | other | m | 2021-01-18T15:40:52.79 |
IV.MTRA.HNN. | ML:1.6 | 0.00024613405 | 0.2176 | AML | other | m | 2021-01-18T15:40:52.57 |