A magnitude ML 1.6 earthquake occured in region: 8 km E Norcia (PG), on
and geographic coordinates (lat, lon) 42.7710, 13.1890 at 8 km depth.
The earthquake was located by: Sala Sismica INGV-Roma.
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 | 8 | 4957 | 4957 |
Arquata del Tronto | AP | 9 | 1178 | 6135 |
Accumoli | RI | 10 | 667 | 6802 |
Castelsantangelo sul Nera | MC | 14 | 281 | 7083 |
Montegallo | AP | 14 | 523 | 7606 |
Cascia | PG | 15 | 3217 | 10823 |
Preci | PG | 17 | 724 | 11547 |
Cittareale | RI | 17 | 482 | 12029 |
Amatrice | RI | 18 | 2657 | 14686 |
Acquasanta Terme | AP | 18 | 2916 | 17602 |
Montemonaco | AP | 18 | 604 | 18206 |
Visso | MC | 20 | 1107 | 19313 |
Ussita | MC | 20 | 444 | 19757 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.6 | 2023-05-31 21:35:19 |
42.7713 | 13.1888 | 8 | 2023-05-31 21:42:04 |
Sala Sismica INGV-Roma | 117925941 |
Field | Value |
---|---|
Time (UTC) | 2023-05-31 21:35:19 ± 0.08 |
Latitude | 42.7713 ± 0.0036 |
Longitude | 13.1888 ± 0.0074 |
Depth (km) | 8 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 117925941 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 560 |
Semi-minor axis of confidence ellipse (meter) | 333 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 274 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 560.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 67 |
Number of associated phases, regardless of their use for origin computation | 33 |
Number of defining phases | 23 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.26 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.50542 |
Number of stations at which the event was observed | 23 |
Number of stations from which data was used for origin computation | 14 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.3 |
Num. used stations | 38 |
Type of magnitude | ML |
Reference to an origin | 117925941 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-05-31 21:42:04 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.PIEI.HHZ. | 2023-05-31T21:35:51.63 | 3.0 | undecidable | manual | S | 0.25 | 0 | |||
IV.ARVD.HHZ. | 2023-05-31T21:35:46.15 | 3.0 | undecidable | manual | S | -0.37 | 0 | |||
IV.GIGS.HHZ. | 2023-05-31T21:35:34.86 | 0.6 | undecidable | manual | S | 138 | 47.2194 | 50 | -0.21 | 46 |
IV.SSFR.HHZ. | 2023-05-31T21:35:34.06 | 3.0 | undecidable | manual | P | -0.06 | 0 | |||
IV.ARVD.HHZ. | 2023-05-31T21:35:33.95 | 3.0 | undecidable | manual | P | -0.6 | 0 | |||
IV.GUMA.HHZ. | 2023-05-31T21:35:32.27 | 0.6 | undecidable | manual | S | 20 | 34.4433 | 50 | 0.62 | 43 |
IV.CESI.HHZ. | 2023-05-31T21:35:31.53 | 0.6 | undecidable | manual | S | 318 | 34.743 | 50 | -0.2 | 47 |
IV.CESX.HHZ. | 2023-05-31T21:35:31.60 | 3.0 | positive | manual | P | 2.5 | 0 | |||
IV.TERO.HHZ. | 2023-05-31T21:35:31.98 | 0.3 | undecidable | manual | S | 116 | 37.629 | 50 | -0.54 | 65 |
IV.ATCC.EHZ. | 2023-05-31T21:35:31.02 | 3.0 | negative | manual | P | -0.2 | 0 | |||
IV.CING.HHZ. | 2023-05-31T21:35:30.86 | 3.0 | undecidable | manual | P | -1.09 | 0 | |||
IV.FDMO.HHZ. | 2023-05-31T21:35:30.29 | 0.3 | undecidable | manual | S | 344 | 30.5472 | 105 | -0.12 | 73 |
IV.RM33.EHZ. | 2023-05-31T21:35:29.96 | 0.6 | undecidable | manual | S | 176 | 29.1486 | 106 | 0.01 | 50 |
IV.MOMA.HHZ. | 2023-05-31T21:35:29.11 | 3.0 | positive | manual | P | 0.28 | 0 | |||
IV.FIAM.HHZ. | 2023-05-31T21:35:29.70 | 0.1 | undecidable | manual | P | 186 | 56.0994 | 50 | -0.13 | 93 |
IV.MNTT.EHZ. | 2023-05-31T21:35:28.94 | 0.1 | negative | manual | P | 46 | 46.2204 | 50 | 0.64 | 82 |
IV.LNSS.HHZ. | 2023-05-31T21:35:28.07 | 0.6 | undecidable | manual | S | 213 | 22.2555 | 111 | 0.4 | 46 |
IV.GIGS.HHZ. | 2023-05-31T21:35:28.33 | 1.0 | undecidable | manual | P | 138 | 47.2194 | 50 | -0.12 | 24 |
IV.OFFI.HHZ. | 2023-05-31T21:35:28.60 | 0.3 | negative | manual | P | 66 | 44.3223 | 50 | 0.6 | 63 |
IV.ASSB.HHZ. | 2023-05-31T21:35:28.97 | 0.6 | undecidable | manual | P | 305 | 52.503 | 50 | -0.31 | 45 |
IV.MML1.EHZ. | 2023-05-31T21:35:27.41 | 3.0 | negative | manual | P | -0.21 | 0 | |||
IV.ARRO.EHZ. | 2023-05-31T21:35:27.42 | 0.6 | positive | manual | P | 238 | 40.5261 | 50 | -0.01 | 49 |
IV.CESI.HHZ. | 2023-05-31T21:35:26.29 | 1.0 | negative | manual | P | 318 | 34.743 | 50 | -0.24 | 24 |
IV.MMO1.EHZ. | 2023-05-31T21:35:26.21 | 0.6 | undecidable | manual | S | 38 | 18.0708 | 115 | -0.13 | 50 |
IV.GUMA.HHZ. | 2023-05-31T21:35:26.42 | 0.6 | positive | manual | P | 20 | 34.4433 | 50 | -0.06 | 49 |
IV.CSP1.EHZ. | 2023-05-31T21:35:26.28 | 3.0 | positive | manual | P | -0.3 | 0 | |||
IV.TERO.HHZ. | 2023-05-31T21:35:26.57 | 0.6 | negative | manual | P | 116 | 37.629 | 50 | -0.41 | 45 |
IV.FDMO.HHZ. | 2023-05-31T21:35:25.44 | 0.6 | positive | manual | P | 344 | 30.5472 | 105 | -0.32 | 47 |
IV.RM33.EHZ. | 2023-05-31T21:35:25.49 | 0.6 | positive | manual | P | 176 | 29.1486 | 106 | -0.01 | 50 |
IV.LNSS.HHZ. | 2023-05-31T21:35:24.45 | 0.1 | undecidable | manual | P | 213 | 22.2555 | 111 | 0.27 | 95 |
IV.MMO1.EHZ. | 2023-05-31T21:35:23.33 | 0.1 | positive | manual | P | 38 | 18.0708 | 115 | -0.08 | 100 |
IV.NRCA.HNZ. | 2023-05-31T21:35:23.49 | 0.3 | undecidable | manual | S | 319 | 9.1797 | 132 | -0.24 | 74 |
IV.NRCA.HNZ. | 2023-05-31T21:35:22.09 | 0.6 | negative | manual | P | 319 | 9.1797 | 132 | 0.19 | 50 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:2.2 | 0.002175 | 0.72 | AML | other | m | 2023-05-31T21:35:24.31 |
IV.NRCA.HNN. | ML:2.1 | 0.00203 | 0.16 | AML | other | m | 2023-05-31T21:35:24.31 |
IV.NRCA.HNE. | ML:2.1 | 0.0017800000000000001 | 1.06 | AML | other | m | 2023-05-31T21:35:24.53 |
IV.NRCA.HHE. | ML:2.1 | 0.00185 | 0.48 | AML | other | m | 2023-05-31T21:35:24.71 |
IV.MMO1.EHE. | ML:1.5 | 0.00028849999999999997 | 0.74 | AML | other | m | 2023-05-31T21:35:27.42 |
IV.MMO1.EHN. | ML:1.6 | 0.000326 | 0.56 | AML | other | m | 2023-05-31T21:35:27.53 |
IV.LNSS.HHE. | ML:1.7 | 0.000381 | 0.54 | AML | other | m | 2023-05-31T21:35:29.47 |
IV.LNSS.HHN. | ML:1.8 | 0.0004845 | 0.16 | AML | other | m | 2023-05-31T21:35:29.81 |
IV.FDMO.HHN. | ML:1.4 | 0.00012154999999999999 | 0.2 | AML | other | m | 2023-05-31T21:35:30.50 |
IV.RM33.EHN. | ML:1.6 | 0.00020500000000000002 | 0.96 | AML | other | m | 2023-05-31T21:35:30.88 |
IV.RM33.EHE. | ML:1.5 | 0.0001605 | 0.48 | AML | other | m | 2023-05-31T21:35:31.29 |
IV.FDMO.HHE. | ML:1.4 | 0.00010899999999999999 | 1.3 | AML | other | m | 2023-05-31T21:35:31.90 |
IV.TERO.HHN. | ML:1.8 | 0.000266 | 0.08 | AML | other | m | 2023-05-31T21:35:32.41 |
IV.CSP1.EHN. | ML:2.0 | 0.000366 | 0.22 | AML | other | m | 2023-05-31T21:35:32.28 |
IV.TERO.HHE. | ML:1.6 | 0.00016749999999999998 | 0.12 | AML | other | m | 2023-05-31T21:35:32.53 |
IV.CSP1.EHE. | ML:2.1 | 0.0004955000000000001 | 0.4 | AML | other | m | 2023-05-31T21:35:32.66 |
IV.CESI.HHN. | ML:1.6 | 0.000161 | 1.14 | AML | other | m | 2023-05-31T21:35:32.88 |
IV.GUMA.HNE. | ML:1.9 | 0.00032950000000000004 | 0.36 | AML | other | m | 2023-05-31T21:35:32.77 |
IV.GUMA.HHE. | ML:2.0 | 0.000374 | 0.48 | AML | other | m | 2023-05-31T21:35:32.74 |
IV.GUMA.HNN. | ML:2.0 | 0.0003675 | 0.6 | AML | other | m | 2023-05-31T21:35:33.25 |
IV.CESI.HHE. | ML:1.4 | 0.00009669999999999999 | 1.18 | AML | other | m | 2023-05-31T21:35:33.33 |
IV.GUMA.HHN. | ML:1.9 | 0.0003235 | 0.58 | AML | other | m | 2023-05-31T21:35:34.24 |
IV.MML1.EHN. | ML:1.4 | 0.00008835 | 0.76 | AML | other | m | 2023-05-31T21:35:34.54 |
IV.MML1.EHE. | ML:1.4 | 0.00008155000000000002 | 1.42 | AML | other | m | 2023-05-31T21:35:35.90 |
IV.ARRO.EHE. | ML:1.3 | 0.00007595 | 0.52 | AML | other | m | 2023-05-31T21:35:35.75 |
IV.ARRO.EHN. | ML:1.4 | 0.0000848 | 0.18 | AML | other | m | 2023-05-31T21:35:36.23 |
IV.ASSB.HHE. | ML:1.5 | 0.0000802 | 0.62 | AML | other | m | 2023-05-31T21:35:38.12 |
IV.ASSB.HHN. | ML:1.4 | 0.00005989999999999999 | 0.94 | AML | other | m | 2023-05-31T21:35:38.71 |
IV.OFFI.HHN. | ML:1.6 | 0.0001365 | 0.5 | AML | other | m | 2023-05-31T21:35:41.64 |
IV.CING.HHE. | ML:1.4 | 0.000037749999999999996 | 0.88 | AML | other | m | 2023-05-31T21:35:43.06 |
IV.ATCC.EHN. | ML:1.4 | 0.0000467 | 1.44 | AML | other | m | 2023-05-31T21:35:43.90 |
IV.CING.HHN. | ML:1.3 | 0.000036750000000000006 | 0.3 | AML | other | m | 2023-05-31T21:35:43.83 |
IV.ATCC.EHE. | ML:1.4 | 0.00004615 | 0.42 | AML | other | m | 2023-05-31T21:35:44.85 |
IV.OFFI.HHE. | ML:1.5 | 0.00009975 | 1.46 | AML | other | m | 2023-05-31T21:35:44.06 |
IV.SSFR.HHN. | ML:1.7 | 0.0000726 | 0.2 | AML | other | m | 2023-05-31T21:35:46.90 |
IV.SSFR.HHE. | ML:1.6 | 0.0000609 | 0.24 | AML | other | m | 2023-05-31T21:35:47.10 |
IV.ARVD.HHN. | ML:1.3 | 0.00002495 | 0.44 | AML | other | m | 2023-05-31T21:35:47.18 |
IV.ARVD.HHE. | ML:1.4 | 0.0000309 | 1.5 | AML | other | m | 2023-05-31T21:35:47.14 |