A magnitude ML 1.4 earthquake occured in region: 3 km NE Norcia (PG), on
and geographic coordinates (lat, lon) 42.8110, 13.1170 at 11 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 | 10 | 724 | 5962 |
Cascia | PG | 13 | 3217 | 9179 |
Visso | MC | 14 | 1107 | 10286 |
Ussita | MC | 15 | 444 | 10730 |
Arquata del Tronto | AP | 15 | 1178 | 11908 |
Cerreto di Spoleto | PG | 16 | 1075 | 12983 |
Accumoli | RI | 17 | 667 | 13650 |
Sellano | PG | 18 | 1079 | 14729 |
Montegallo | AP | 18 | 523 | 15252 |
Poggiodomo | PG | 18 | 117 | 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 1.4 | 2021-04-15 05:30:21 |
42.8112 | 13.1173 | 11 | 2021-07-12 16:55:11 |
Bollettino Sismico Italiano INGV | 90192821 |
Reviewed Rev100 |
ML 1.5 | 2021-04-15 05:30:21 |
42.8183 | 13.1157 | 11 | 2021-04-15 05:39:01 |
Sala Sismica INGV-Roma | 89109771 |
Field | Value |
---|---|
Time (UTC) | 2021-04-15 05:30:21 ± 0.04 |
Latitude | 42.8112 ± 0.0018 |
Longitude | 13.1173 ± 0.0037 |
Depth (km) | 11 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 90192821 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 260 |
Semi-minor axis of confidence ellipse (meter) | 212 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 73 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 260.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 52 |
Number of associated phases, regardless of their use for origin computation | 32 |
Number of defining phases | 32 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.15 |
Epicentral distance of station closest to the epicenter (degree) | 0.02248 |
Epicentral distance of station farthest from the epicenter (degree) | 0.40110 |
Number of stations at which the event was observed | 16 |
Number of stations from which data was used for origin computation | 16 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | 0.4 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 89109771 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-04-15 05:39:01 |
Field | Value |
---|---|
Value | 1.4 |
Uncertainty | 0.3 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 90192821 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-05-17 12:48:49 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MOMA.HNZ. | 2021-04-15T05:30:36.47 | 0.6 | undecidable | manual | S | 269 | 44.5221 | 50 | 0.15 | 46 |
IV.PF6.EHN. | 2021-04-15T05:30:34.26 | 0.6 | undecidable | manual | S | 10 | 36.8298 | 50 | 0.01 | 48 |
IV.RM33.EHZ. | 2021-04-15T05:30:33.59 | 0.6 | undecidable | manual | S | 167 | 34.4433 | 50 | -0.03 | 48 |
IV.MF5.EHZ. | 2021-04-15T05:30:33.71 | 0.6 | undecidable | manual | S | 55 | 34.0437 | 50 | 0.19 | 46 |
IV.CSP1.EHZ. | 2021-04-15T05:30:32.95 | 0.3 | undecidable | manual | S | 13 | 31.9458 | 50 | -0.01 | 72 |
IV.CESI.HHE. | 2021-04-15T05:30:31.79 | 0.3 | undecidable | manual | S | 321 | 27.5502 | 50 | 0 | 73 |
IV.SMA1.EHE. | 2021-04-15T05:30:31.33 | 0.6 | undecidable | manual | S | 138 | 26.751 | 50 | -0.25 | 46 |
IV.GAVE.EHE. | 2021-04-15T05:30:30.45 | 0.6 | undecidable | manual | S | 234 | 22.4553 | 50 | 0.03 | 49 |
IV.LNSS.HHZ. | 2021-04-15T05:30:30.53 | 0.6 | undecidable | manual | S | 195 | 23.9538 | 50 | -0.29 | 46 |
IV.MOMA.HNZ. | 2021-04-15T05:30:30.39 | 0.3 | undecidable | manual | P | 269 | 44.5221 | 50 | 0.17 | 68 |
IV.MTRA.EHE. | 2021-04-15T05:30:30.81 | 0.6 | undecidable | manual | S | 105 | 23.5542 | 50 | 0.1 | 48 |
IV.FDMO.HHZ. | 2021-04-15T05:30:30.96 | 0.3 | undecidable | manual | S | 354 | 25.1526 | 50 | -0.18 | 71 |
IT.MTCL.HGN. | 2021-04-15T05:30:30.18 | 0.6 | undecidable | manual | S | 335 | 22.4553 | 50 | -0.24 | 47 |
IV.MMO1.EHZ. | 2021-04-15T05:30:29.35 | 0.3 | undecidable | manual | S | 60 | 19.6692 | 119 | -0.3 | 70 |
IV.RM33.EHZ. | 2021-04-15T05:30:28.52 | 0.1 | undecidable | manual | P | 167 | 34.4433 | 50 | -0.14 | 93 |
IV.CSP1.EHZ. | 2021-04-15T05:30:28.30 | 0.1 | undecidable | manual | P | 13 | 31.9458 | 50 | 0.02 | 96 |
IV.MF5.EHZ. | 2021-04-15T05:30:28.95 | 0.6 | undecidable | manual | P | 55 | 34.0437 | 50 | 0.35 | 45 |
IV.FEMA.HNN. | 2021-04-15T05:30:28.95 | 0.3 | undecidable | manual | S | 342 | 17.6712 | 121 | -0.09 | 73 |
IV.PF6.EHN. | 2021-04-15T05:30:28.83 | 0.3 | undecidable | manual | P | 10 | 36.8298 | 50 | -0.19 | 69 |
IV.SMA1.EHE. | 2021-04-15T05:30:27.72 | 0.1 | undecidable | manual | P | 138 | 26.751 | 50 | 0.24 | 93 |
IV.CESI.HHE. | 2021-04-15T05:30:27.64 | 0.3 | undecidable | manual | P | 321 | 27.5502 | 50 | 0.03 | 73 |
IV.MTRA.EHE. | 2021-04-15T05:30:27.10 | 0.1 | undecidable | manual | P | 105 | 23.5542 | 50 | 0.12 | 96 |
IV.MC2.EHZ. | 2021-04-15T05:30:27.96 | 0.3 | undecidable | manual | S | 28 | 12.5763 | 130 | 0.35 | 70 |
IV.FDMO.HHZ. | 2021-04-15T05:30:27.14 | 0.1 | positive | manual | P | 354 | 25.1526 | 50 | -0.09 | 96 |
IV.MMO1.EHZ. | 2021-04-15T05:30:26.19 | 0.1 | undecidable | manual | P | 60 | 19.6692 | 119 | -0.18 | 95 |
IV.GAVE.EHE. | 2021-04-15T05:30:26.97 | 0.1 | undecidable | manual | P | 234 | 22.4553 | 50 | 0.15 | 95 |
IV.LNSS.HHZ. | 2021-04-15T05:30:26.95 | 0.1 | positive | manual | P | 195 | 23.9538 | 50 | -0.1 | 96 |
IV.FEMA.HNN. | 2021-04-15T05:30:26.12 | 0.1 | undecidable | manual | P | 342 | 17.6712 | 121 | 0.1 | 97 |
IT.MTCL.HGN. | 2021-04-15T05:30:26.75 | 0.3 | undecidable | manual | P | 335 | 22.4553 | 50 | -0.06 | 73 |
IV.MC2.EHZ. | 2021-04-15T05:30:25.40 | 0.1 | positive | manual | P | 28 | 12.5763 | 130 | 0.2 | 96 |
IV.NRCA.HHZ. | 2021-04-15T05:30:25.44 | 0.3 | undecidable | manual | S | 354 | 2.4975 | 167 | -0.26 | 72 |
IV.NRCA.HHZ. | 2021-04-15T05:30:24.17 | 0.1 | positive | manual | P | 354 | 2.4975 | 167 | 0.08 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.8 | 0.0012250000000000002 | 0.14 | AML | other | m | 2021-04-15T05:30:25.54 |
IV.NRCA.HNN. | ML:1.8 | 0.0012 | 0.14 | AML | other | m | 2021-04-15T05:30:25.47 |
IV.NRCA.HHE. | ML:1.7 | 0.0009464999999999999 | 0.1 | AML | other | m | 2021-04-15T05:30:26.14 |
IV.FDMO.HHN. | ML:1.0 | 0.0000552 | 0.46 | AML | other | m | 2021-04-15T05:30:31.18 |
IV.LNSS.HHE. | ML:1.4 | 0.00016649999999999998 | 0.14 | AML | other | m | 2021-04-15T05:30:31.55 |
IV.LNSS.HNE. | ML:1.4 | 0.0001597035 | 0.1408 | AML | other | m | 2021-04-15T05:30:31.56 |
IV.LNSS.HHN. | ML:1.3 | 0.00011622864500000001 | 0.1408 | AML | other | m | 2021-04-15T05:30:31.92 |
IV.FDMO.HHE. | ML:0.9 | 0.0000484 | 0.16 | AML | other | m | 2021-04-15T05:30:32.33 |
IV.CSP1.EHN. | ML:1.2 | 0.000080684015 | 0.16 | AML | other | m | 2021-04-15T05:30:33.19 |
IV.CSP1.EHE. | ML:1.2 | 0.00007778308 | 0.1376 | AML | other | m | 2021-04-15T05:30:33.77 |