A magnitude ML 1.7 earthquake occured in region: 4 km E Norcia (PG), on
and geographic coordinates (lat, lon) 42.8030, 13.1350 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 | 4 | 4957 | 4957 |
Castelsantangelo sul Nera | MC | 10 | 281 | 5238 |
Preci | PG | 12 | 724 | 5962 |
Cascia | PG | 14 | 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 |
Montemonaco | AP | 19 | 604 | 14894 |
Sellano | PG | 20 | 1079 | 15973 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.7 | 2020-12-08 11:23:57 |
42.8028 | 13.135 | 10 | 2021-02-26 14:56:19 |
Bollettino Sismico Italiano INGV | 87184631 |
Reviewed Rev100 |
ML 1.7 | 2020-12-08 11:23:57 |
42.8023 | 13.1352 | 10 | 2020-12-08 11:32:22 |
Sala Sismica INGV-Roma | 85288891 |
Field | Value |
---|---|
Time (UTC) | 2020-12-08 11:23:57 ± 0.05 |
Latitude | 42.8028 ± 0.0027 |
Longitude | 13.1350 ± 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 | 87184631 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 292 |
Semi-minor axis of confidence ellipse (meter) | 283 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 229 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 290.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 82 |
Number of associated phases, regardless of their use for origin computation | 30 |
Number of defining phases | 30 |
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) | 0.03417 |
Epicentral distance of station farthest from the epicenter (degree) | 0.38851 |
Number of stations at which the event was observed | 15 |
Number of stations from which data was used for origin computation | 15 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.3 |
Num. used stations | 18 |
Type of magnitude | ML |
Reference to an origin | 87184631 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-02-15 18:10:39 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.3 |
Num. used stations | 18 |
Type of magnitude | ML |
Reference to an origin | 85288891 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-12-08 11:32:22 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.TERO.HHZ. | 2020-12-08T11:24:11.89 | 0.3 | undecidable | manual | S | 117 | 43.1235 | 50 | -0.2 | 69 |
IV.PF6.EHZ. | 2020-12-08T11:24:10.44 | 0.3 | undecidable | manual | S | 7 | 37.4292 | 50 | -0.14 | 70 |
IV.GUMA.HHZ. | 2020-12-08T11:24:10.23 | 0.3 | undecidable | manual | S | 29 | 33.1446 | 50 | 0.81 | 58 |
IV.CSP1.EHZ. | 2020-12-08T11:24:09.22 | 0.3 | undecidable | manual | S | 10 | 32.5452 | 50 | -0.05 | 72 |
IV.CESI.HHZ. | 2020-12-08T11:24:08.07 | 0.6 | undecidable | manual | S | 320 | 29.2485 | 50 | -0.31 | 46 |
IV.SMA1.EHZ. | 2020-12-08T11:24:07.21 | 0.3 | undecidable | manual | S | 139 | 25.1526 | 112 | -0.05 | 73 |
IV.FDMO.HHZ. | 2020-12-08T11:24:07.28 | 0.6 | undecidable | manual | S | 352 | 26.2515 | 50 | -0.3 | 46 |
IV.GAVE.EHZ. | 2020-12-08T11:24:06.68 | 0.3 | undecidable | manual | S | 238 | 23.1546 | 113 | 0.06 | 73 |
IV.LNSS.HHZ. | 2020-12-08T11:24:06.83 | 0.3 | undecidable | manual | S | 199 | 23.4543 | 113 | 0.1 | 73 |
IT.MTCL.HGZ. | 2020-12-08T11:24:06.47 | 0.6 | undecidable | manual | S | 333 | 23.8539 | 113 | -0.4 | 45 |
IV.TERO.HHZ. | 2020-12-08T11:24:06.02 | 0.3 | undecidable | manual | P | 117 | 43.1235 | 50 | -0.06 | 71 |
IV.MTRA.EHZ. | 2020-12-08T11:24:06.07 | 0.6 | undecidable | manual | S | 103 | 21.867 | 114 | -0.16 | 48 |
IV.T1299.HNZ. | 2020-12-08T11:24:05.93 | 0.3 | undecidable | manual | S | 147 | 22.2555 | 114 | -0.4 | 68 |
IV.PF6.EHZ. | 2020-12-08T11:24:05.04 | 0.3 | undecidable | manual | P | 7 | 37.4292 | 50 | -0.18 | 70 |
IV.MMO1.EHZ. | 2020-12-08T11:24:05.16 | 0.3 | undecidable | manual | S | 55 | 18.9699 | 118 | -0.14 | 73 |
IV.CSP1.EHZ. | 2020-12-08T11:24:04.34 | 0.3 | undecidable | manual | P | 10 | 32.5452 | 50 | -0.12 | 71 |
IV.GUMA.HHZ. | 2020-12-08T11:24:04.77 | 0.3 | undecidable | manual | P | 29 | 33.1446 | 50 | 0.23 | 69 |
IV.LNSS.HHZ. | 2020-12-08T11:24:03.09 | 0.3 | undecidable | manual | P | 199 | 23.4543 | 113 | 0.1 | 73 |
IT.MTCL.HGZ. | 2020-12-08T11:24:03.39 | 0.3 | undecidable | manual | P | 333 | 23.8539 | 113 | 0.32 | 69 |
IV.FDMO.HHZ. | 2020-12-08T11:24:03.36 | 0.3 | undecidable | manual | P | 352 | 26.2515 | 50 | -0.12 | 72 |
IV.MC2.EHZ. | 2020-12-08T11:24:03.73 | 0.6 | undecidable | manual | S | 20 | 12.7761 | 128 | 0.21 | 48 |
IV.SMA1.EHZ. | 2020-12-08T11:24:03.45 | 0.3 | undecidable | manual | P | 139 | 25.1526 | 112 | 0.15 | 72 |
IV.CESI.HHZ. | 2020-12-08T11:24:03.92 | 0.3 | undecidable | manual | P | 320 | 29.2485 | 50 | -0.02 | 73 |
IV.T1299.HNZ. | 2020-12-08T11:24:03.05 | 0.3 | undecidable | manual | P | 147 | 22.2555 | 114 | 0.29 | 70 |
IV.MMO1.EHZ. | 2020-12-08T11:24:02.20 | 0.1 | undecidable | manual | P | 55 | 18.9699 | 118 | 0.03 | 99 |
IV.MTRA.EHZ. | 2020-12-08T11:24:02.70 | 0.3 | undecidable | manual | P | 103 | 21.867 | 114 | 0 | 74 |
IV.GAVE.EHZ. | 2020-12-08T11:24:02.98 | 0.3 | undecidable | manual | P | 238 | 23.1546 | 113 | 0.05 | 73 |
IV.NRCA.HNZ. | 2020-12-08T11:24:01.23 | 0.3 | undecidable | manual | S | 334 | 3.7962 | 159 | -0.35 | 71 |
IV.MC2.EHZ. | 2020-12-08T11:24:01.37 | 0.3 | undecidable | manual | P | 20 | 12.7761 | 128 | 0.24 | 72 |
IV.NRCA.HNZ. | 2020-12-08T11:24:00.12 | 0.1 | undecidable | manual | P | 334 | 3.7962 | 159 | 0.1 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HNE. | ML:2.3 | 0.0034449999999999997 | 0.14 | AML | other | m | 2020-12-08T11:24:01.35 |
IV.NRCA.HHE. | ML:2.3 | 0.0035 | 0.14 | AML | other | m | 2020-12-08T11:24:01.35 |
IV.NRCA.HNN. | ML:2.2 | 0.002545 | 0.08 | AML | other | m | 2020-12-08T11:24:01.28 |
IV.NRCA.HHN. | ML:2.2 | 0.0030099999999999997 | 0.1 | AML | other | m | 2020-12-08T11:24:01.28 |
IV.GAVE.EHE. | ML:1.5 | 0.00020511989999999998 | 0.9376 | AML | other | m | 2020-12-08T11:24:06.41 |
IV.GAVE.HNE. | ML:1.6 | 0.00027607955 | 0.5408 | AML | other | m | 2020-12-08T11:24:06.62 |
IV.GAVE.EHN. | ML:1.5 | 0.0001834548 | 0.16 | AML | other | m | 2020-12-08T11:24:07.19 |
IV.LNSS.HHN. | ML:1.9 | 0.0005560000000000001 | 0.24 | AML | other | m | 2020-12-08T11:24:07.14 |
IV.LNSS.HNN. | ML:1.9 | 0.0005 | 0.24 | AML | other | m | 2020-12-08T11:24:07.26 |
IV.LNSS.HHE. | ML:1.6 | 0.0002652514 | 0.1216 | AML | other | m | 2020-12-08T11:24:07.30 |
IV.FDMO.HHN. | ML:1.1 | 0.00006711438000000001 | 0.3456 | AML | other | m | 2020-12-08T11:24:07.56 |
IV.LNSS.HNE. | ML:1.8 | 0.000358 | 1.26 | AML | other | m | 2020-12-08T11:24:07.15 |
IV.FDMO.HHE. | ML:1.2 | 0.00009071209 | 0.2432 | AML | other | m | 2020-12-08T11:24:07.86 |
IV.GAVE.HNN. | ML:1.5 | 0.00021365095000000001 | 0.5824 | AML | other | m | 2020-12-08T11:24:08.54 |
IV.CESI.HHN. | ML:1.3 | 0.00009461726000000001 | 0.2816 | AML | other | m | 2020-12-08T11:24:08.44 |
IV.CESI.HHE. | ML:1.0 | 0.000044614580000000003 | 0.096 | AML | other | m | 2020-12-08T11:24:08.54 |
IV.CSP1.EHE. | ML:1.7 | 0.00022514365000000003 | 1.3984 | AML | other | m | 2020-12-08T11:24:10.99 |
IV.CSP1.EHN. | ML:1.6 | 0.00017510835 | 0.16 | AML | other | m | 2020-12-08T11:24:10.57 |