A magnitude ML 1.2 earthquake occured in region: 5 km SE Norcia (PG), on
and geographic coordinates (lat, lon) 42.7540, 13.1220 at 9 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 | 5 | 4957 | 4957 |
Cascia | PG | 10 | 3217 | 8174 |
Accumoli | RI | 12 | 667 | 8841 |
Arquata del Tronto | AP | 15 | 1178 | 10019 |
Cittareale | RI | 15 | 482 | 10501 |
Preci | PG | 16 | 724 | 11225 |
Castelsantangelo sul Nera | MC | 16 | 281 | 11506 |
Poggiodomo | PG | 16 | 117 | 11623 |
Monteleone di Spoleto | PG | 18 | 599 | 12222 |
Cerreto di Spoleto | PG | 18 | 1075 | 13297 |
Amatrice | RI | 19 | 2657 | 15954 |
Montegallo | AP | 20 | 523 | 16477 |
Visso | MC | 20 | 1107 | 17584 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.2 | 2023-05-21 02:28:03 |
42.7545 | 13.1223 | 9 | 2023-05-21 02:34:00 |
Sala Sismica INGV-Roma | 117537621 |
Field | Value |
---|---|
Time (UTC) | 2023-05-21 02:28:03 ± 0.08 |
Latitude | 42.7545 ± 0.0036 |
Longitude | 13.1223 ± 0.0086 |
Depth (km) | 9 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 117537621 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 671 |
Semi-minor axis of confidence ellipse (meter) | 371 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 94 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 670.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 92 |
Number of associated phases, regardless of their use for origin computation | 22 |
Number of defining phases | 18 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.24 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.37502 |
Number of stations at which the event was observed | 14 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.3 |
Num. used stations | 20 |
Type of magnitude | ML |
Reference to an origin | 117537621 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-05-21 02:34:00 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CING.HHZ. | 2023-05-21T02:28:26.76 | 3.0 | undecidable | manual | S | 0.04 | 0 | |||
IV.SSFR.HHZ. | 2023-05-21T02:28:18.38 | 3.0 | positive | manual | P | -0.1 | 0 | |||
IV.MURB.HHZ. | 2023-05-21T02:28:18.49 | 3.0 | undecidable | manual | P | 1.05 | 0 | |||
IV.GUMA.HHZ. | 2023-05-21T02:28:17.92 | 3.0 | undecidable | manual | S | 0.28 | 0 | |||
IV.CSP1.EHZ. | 2023-05-21T02:28:17.36 | 0.6 | undecidable | manual | S | 10 | 38.0286 | 50 | 0.55 | 42 |
IV.FDMO.HHZ. | 2023-05-21T02:28:15.17 | 0.6 | undecidable | manual | S | 355 | 31.4463 | 105 | 0.18 | 47 |
IV.CESI.HHZ. | 2023-05-21T02:28:15.85 | 0.6 | undecidable | manual | S | 328 | 32.9448 | 50 | 0.39 | 44 |
IV.RM33.EHZ. | 2023-05-21T02:28:13.55 | 0.6 | undecidable | manual | S | 165 | 28.2495 | 107 | -0.39 | 45 |
IV.MMO1.EHZ. | 2023-05-21T02:28:12.16 | 0.6 | undecidable | manual | S | 46 | 23.1546 | 111 | -0.1 | 48 |
IV.SMA1.EHZ. | 2023-05-21T02:28:12.52 | 0.3 | undecidable | manual | S | 128 | 22.1556 | 111 | 0.58 | 64 |
IV.MML1.EHZ. | 2023-05-21T02:28:11.85 | 1.0 | negative | manual | P | 343 | 41.625 | 50 | 0.03 | 24 |
IV.LNSS.HHZ. | 2023-05-21T02:28:10.96 | 0.6 | undecidable | manual | S | 202 | 18.0708 | 116 | 0.31 | 46 |
IV.CSP1.EHZ. | 2023-05-21T02:28:10.97 | 0.1 | undecidable | manual | P | 10 | 38.0286 | 50 | -0.29 | 90 |
IV.CESI.HHZ. | 2023-05-21T02:28:10.31 | 0.1 | undecidable | manual | P | 328 | 32.9448 | 50 | -0.17 | 93 |
IV.ARRO.EHZ. | 2023-05-21T02:28:10.91 | 1.0 | positive | manual | P | 236 | 35.0427 | 50 | 0.11 | 23 |
IV.RM33.EHZ. | 2023-05-21T02:28:09.31 | 0.1 | undecidable | manual | P | 165 | 28.2495 | 107 | -0.3 | 91 |
IV.FDMO.HHZ. | 2023-05-21T02:28:09.91 | 0.6 | negative | manual | P | 355 | 31.4463 | 105 | -0.3 | 45 |
IV.MMO1.EHZ. | 2023-05-21T02:28:08.34 | 0.6 | negative | manual | P | 46 | 23.1546 | 111 | -0.29 | 46 |
IV.NRCA.HHZ. | 2023-05-21T02:28:08.05 | 0.6 | undecidable | manual | S | 356 | 8.7801 | 135 | 0.07 | 50 |
IV.SMA1.EHZ. | 2023-05-21T02:28:08.45 | 0.6 | undecidable | manual | P | 128 | 22.1556 | 111 | 0 | 49 |
IV.LNSS.HHZ. | 2023-05-21T02:28:07.80 | 0.1 | undecidable | manual | P | 202 | 18.0708 | 116 | 0.09 | 97 |
IV.NRCA.HHZ. | 2023-05-21T02:28:06.19 | 0.1 | negative | manual | P | 356 | 8.7801 | 135 | 0.03 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HNE. | ML:1.9 | 0.0012850000000000001 | 0.68 | AML | other | m | 2023-05-21T02:28:08.34 |
IV.NRCA.HHE. | ML:2.0 | 0.001375 | 0.68 | AML | other | m | 2023-05-21T02:28:08.34 |
IV.NRCA.HHN. | ML:1.6 | 0.0006950000000000001 | 1.04 | AML | other | m | 2023-05-21T02:28:08.80 |
IV.NRCA.HNN. | ML:1.6 | 0.0006845000000000001 | 0.98 | AML | other | m | 2023-05-21T02:28:09.24 |
IV.MMO1.EHE. | ML:1.4 | 0.0001715 | 0.22 | AML | other | m | 2023-05-21T02:28:12.36 |
IV.MMO1.EHN. | ML:1.3 | 0.000141 | 1.36 | AML | other | m | 2023-05-21T02:28:12.28 |
IV.LNSS.HHE. | ML:1.1 | 0.0001059 | 0.98 | AML | other | m | 2023-05-21T02:28:13.32 |
IV.RM33.EHN. | ML:1.0 | 0.0000493 | 1.24 | AML | other | m | 2023-05-21T02:28:13.89 |
IV.SMA1.EHN. | ML:1.3 | 0.00013700000000000002 | 0.66 | AML | other | m | 2023-05-21T02:28:14.21 |
IV.RM33.EHE. | ML:1.0 | 0.00005325 | 0.34 | AML | other | m | 2023-05-21T02:28:15.22 |
IV.LNSS.HHN. | ML:1.0 | 0.0000971 | 0.6 | AML | other | m | 2023-05-21T02:28:16.25 |
IV.FDMO.HHN. | ML:1.2 | 0.0000652 | 0.7 | AML | other | m | 2023-05-21T02:28:16.65 |
IV.CESI.HHE. | ML:0.9 | 0.0000367 | 0.2 | AML | other | m | 2023-05-21T02:28:16.78 |
IV.CESI.HHN. | ML:1.2 | 0.00006855 | 1.82 | AML | other | m | 2023-05-21T02:28:17.04 |
IV.FDMO.HHE. | ML:0.9 | 0.000035850000000000004 | 1.8 | AML | other | m | 2023-05-21T02:28:17.99 |
IV.GUMA.HHE. | ML:1.5 | 0.0001065 | 0.56 | AML | other | m | 2023-05-21T02:28:18.00 |
IV.SMA1.EHE. | ML:1.4 | 0.000184 | 0.48 | AML | other | m | 2023-05-21T02:28:18.78 |
IV.MML1.EHN. | ML:0.9 | 0.00002605 | 0.44 | AML | other | m | 2023-05-21T02:28:18.75 |
IV.MML1.EHE. | ML:0.9 | 0.00002355 | 1.12 | AML | other | m | 2023-05-21T02:28:20.64 |
IV.GUMA.HHN. | ML:1.5 | 0.000106 | 1.56 | AML | other | m | 2023-05-21T02:28:20.78 |