A magnitude ML 1.3 earthquake occured in region: 3 km N Norcia (PG), on
and geographic coordinates (lat, lon) 42.8190, 13.0860 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 |
Preci | PG | 8 | 724 | 5681 |
Castelsantangelo sul Nera | MC | 10 | 281 | 5962 |
Visso | MC | 13 | 1107 | 7069 |
Cascia | PG | 13 | 3217 | 10286 |
Cerreto di Spoleto | PG | 14 | 1075 | 11361 |
Ussita | MC | 15 | 444 | 11805 |
Sellano | PG | 15 | 1079 | 12884 |
Poggiodomo | PG | 17 | 117 | 13001 |
Arquata del Tronto | AP | 18 | 1178 | 14179 |
Vallo di Nera | PG | 19 | 364 | 14543 |
Accumoli | RI | 19 | 667 | 15210 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.3 | 2021-01-18 23:59:59 |
42.819 | 13.0863 | 10 | 2021-07-12 16:55:00 |
Bollettino Sismico Italiano INGV | 87663171 |
Field | Value |
---|---|
Time (UTC) | 2021-01-18 23:59:59 ± 0.09 |
Latitude | 42.8190 ± 0.0045 |
Longitude | 13.0863 ± 0.0086 |
Depth (km) | 10 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 87663171 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 689 |
Semi-minor axis of confidence ellipse (meter) | 417 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 284 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 690.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 79 |
Number of associated phases, regardless of their use for origin computation | 17 |
Number of defining phases | 17 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.25 |
Epicentral distance of station closest to the epicenter (degree) | 0.02518 |
Epicentral distance of station farthest from the epicenter (degree) | 0.42718 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.2 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 87663171 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-03-03 12:09:35 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.SMA1.EHZ. | 2021-01-18T00:00:10.18 | 0.3 | undecidable | manual | S | 136 | 29.1486 | 50 | -0.05 | 74 |
IV.T1299.HNN. | 2021-01-18T00:00:09.65 | 0.3 | undecidable | manual | S | 142 | 25.9518 | 50 | 0.26 | 71 |
IV.LNSS.HNZ. | 2021-01-18T00:00:08.69 | 0.3 | undecidable | manual | S | 189 | 24.2535 | 113 | -0.2 | 72 |
IV.MOMA.HNZ. | 2021-01-18T00:00:08.03 | 0.6 | undecidable | manual | P | 268 | 42.0246 | 50 | 0.23 | 46 |
IV.TERO.HHZ. | 2021-01-18T00:00:08.62 | 0.3 | undecidable | manual | P | 117 | 47.4192 | 50 | -0.01 | 72 |
IV.FDMO.HHZ. | 2021-01-18T00:00:08.49 | 0.3 | undecidable | manual | S | 0 | 24.1536 | 113 | -0.36 | 70 |
IV.MMO1.EHZ. | 2021-01-18T00:00:07.76 | 0.3 | undecidable | manual | S | 65 | 21.4674 | 115 | -0.25 | 72 |
IV.MC2.EHZ. | 2021-01-18T00:00:05.80 | 0.3 | undecidable | manual | S | 39 | 13.1757 | 127 | 0.25 | 73 |
IV.LNSS.HNZ. | 2021-01-18T00:00:05.06 | 0.1 | undecidable | manual | P | 189 | 24.2535 | 113 | 0.02 | 100 |
IV.SMA1.EHZ. | 2021-01-18T00:00:05.93 | 0.1 | undecidable | manual | P | 136 | 29.1486 | 50 | 0.12 | 97 |
IV.CESI.HHE. | 2021-01-18T00:00:05.27 | 0.6 | undecidable | manual | P | 324 | 25.3524 | 50 | 0.04 | 50 |
IV.MMO1.EHZ. | 2021-01-18T00:00:04.48 | 0.1 | undecidable | manual | P | 65 | 21.4674 | 115 | -0.05 | 100 |
IV.FDMO.HHZ. | 2021-01-18T00:00:04.91 | 0.1 | undecidable | manual | P | 0 | 24.1536 | 113 | -0.11 | 98 |
IV.T1299.HNN. | 2021-01-18T00:00:04.34 | 0.6 | undecidable | manual | P | 142 | 25.9518 | 50 | -0.98 | 37 |
IV.NRCA.HHZ. | 2021-01-18T00:00:03.35 | 0.3 | undecidable | manual | S | 54 | 2.7972 | 165 | -0.06 | 77 |
IV.MC2.EHZ. | 2021-01-18T00:00:03.44 | 0.1 | undecidable | manual | P | 39 | 13.1757 | 127 | 0.33 | 96 |
IV.NRCA.HHZ. | 2021-01-18T00:00:02.11 | 0.1 | undecidable | manual | P | 54 | 2.7972 | 165 | 0.24 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.4 | 0.00046 | 0.1 | AML | other | m | 2021-01-19T00:00:03.51 |
IV.NRCA.HHE. | ML:1.1 | 0.0002485 | 0.98 | AML | other | m | 2021-01-19T00:00:03.52 |
IV.FDMO.HHE. | ML:0.0 | 0 | 0 | AML | other | m | 2021-01-18T23:59:42.58 |
IV.FDMO.HHN. | ML:0.0 | 0 | 0 | AML | other | m | 2021-01-18T23:59:42.58 |