A magnitude ML 1.0 earthquake occured in region: 8 km E Norcia (PG), on
and geographic coordinates (lat, lon) 42.8160, 13.1890 at 8 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 | 8 | 4957 | 4957 |
Castelsantangelo sul Nera | MC | 9 | 281 | 5238 |
Arquata del Tronto | AP | 10 | 1178 | 6416 |
Montegallo | AP | 12 | 523 | 6939 |
Preci | PG | 14 | 724 | 7663 |
Accumoli | RI | 14 | 667 | 8330 |
Montemonaco | AP | 15 | 604 | 8934 |
Ussita | MC | 15 | 444 | 9378 |
Visso | MC | 15 | 1107 | 10485 |
Cascia | PG | 18 | 3217 | 13702 |
Acquasanta Terme | AP | 19 | 2916 | 16618 |
Montefortino | FM | 19 | 1178 | 17796 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.0 | 2023-04-18 01:09:52 |
42.8162 | 13.1892 | 8 | 2024-03-01 17:18:14 |
Bollettino Sismico Italiano INGV | 119834151 |
Field | Value |
---|---|
Time (UTC) | 2023-04-18 01:09:52 ± 0.07 |
Latitude | 42.8162 ± 0.0045 |
Longitude | 13.1892 ± 0.0061 |
Depth (km) | 8 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 119834151 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 563 |
Semi-minor axis of confidence ellipse (meter) | 332 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 321 |
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) | 127 |
Number of associated phases, regardless of their use for origin computation | 23 |
Number of defining phases | 18 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.17 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.30757 |
Number of stations at which the event was observed | 14 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.5 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 119834151 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2024-02-07 09:56:53 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
7C.SPAOL.HNZ. | 2023-04-18T01:11:20.19 | 3.0 | positive | manual | Pg | 12.2 | 0 | |||
IV.MSRU.HHZ. | 2023-04-18T01:11:17.71 | 3.0 | undecidable | manual | Pg | 17.27 | 0 | |||
OX.MPRI.HHZ. | 2023-04-18T01:11:05.45 | 3.0 | undecidable | manual | Sn | -3.49 | 0 | |||
MN.TRI.HHZ. | 2023-04-18T01:10:25.79 | 3.0 | positive | manual | Pn | -0.23 | 0 | |||
IV.MPPT.EHZ. | 2023-04-18T01:10:04.22 | 3.0 | undecidable | manual | Pg | -4.13 | 0 | |||
IV.RM33.HNZ. | 2023-04-18T01:10:04.33 | 0.6 | undecidable | manual | S | 177 | 34.1436 | 50 | -0.02 | 48 |
IV.CSP1.EHE. | 2023-04-18T01:10:03.03 | 0.6 | undecidable | manual | S | 2 | 30.6471 | 105 | -0.17 | 47 |
IV.LNSS.HNZ. | 2023-04-18T01:10:02.05 | 0.6 | undecidable | manual | S | 207 | 26.5512 | 108 | 0.19 | 47 |
IV.GAVE.EHN. | 2023-04-18T01:10:02.09 | 0.6 | undecidable | manual | S | 240 | 27.6501 | 107 | -0.13 | 47 |
IV.RM33.HNZ. | 2023-04-18T01:09:58.89 | 0.1 | undecidable | manual | P | 177 | 34.1436 | 50 | -0.32 | 90 |
IV.CSP1.EHE. | 2023-04-18T01:09:58.80 | 0.1 | undecidable | manual | P | 2 | 30.6471 | 105 | 0.25 | 92 |
7F.SIB1.EHE. | 2023-04-18T01:09:57.06 | 0.6 | undecidable | manual | S | 37 | 10.878 | 128 | 0.09 | 49 |
7F.SIB2.EHE. | 2023-04-18T01:09:57.18 | 0.6 | undecidable | manual | S | 48 | 12.4764 | 124 | -0.23 | 48 |
IV.MMO1.EHZ. | 2023-04-18T01:09:57.95 | 0.6 | undecidable | manual | S | 50 | 14.4744 | 120 | -0.05 | 49 |
IV.LNSS.HNZ. | 2023-04-18T01:09:57.96 | 0.1 | undecidable | manual | P | 207 | 26.5512 | 108 | 0.19 | 94 |
IV.GAVE.EHN. | 2023-04-18T01:09:57.99 | 0.6 | undecidable | manual | P | 240 | 27.6501 | 107 | 0.01 | 49 |
7F.SIB3.EHN. | 2023-04-18T01:09:56.19 | 0.6 | undecidable | manual | S | 45 | 9.2796 | 132 | -0.34 | 47 |
IV.NRCA.HHZ. | 2023-04-18T01:09:55.46 | 0.6 | undecidable | manual | S | 288 | 6.3936 | 143 | -0.39 | 47 |
7F.SIB1.EHE. | 2023-04-18T01:09:55.09 | 0.1 | undecidable | manual | P | 37 | 10.878 | 128 | 0.14 | 97 |
7F.SIB2.EHE. | 2023-04-18T01:09:55.27 | 0.1 | undecidable | manual | P | 48 | 12.4764 | 124 | 0.07 | 99 |
IV.MMO1.EHZ. | 2023-04-18T01:09:55.67 | 0.6 | undecidable | manual | P | 50 | 14.4744 | 120 | 0.12 | 49 |
7F.SIB3.EHN. | 2023-04-18T01:09:54.74 | 0.1 | undecidable | manual | P | 45 | 9.2796 | 132 | 0.05 | 100 |
IV.NRCA.HHZ. | 2023-04-18T01:09:54.35 | 0.1 | negative | manual | P | 288 | 6.3936 | 143 | 0.05 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.1 | 0.0002215 | 0.06 | AML | other | m | 2023-04-18T01:09:55.57 |
IV.NRCA.HNN. | ML:1.1 | 0.000213463175 | 0.0704 | AML | other | m | 2023-04-18T01:09:55.54 |
IV.NRCA.HNE. | ML:0.8 | 0.00010800266 | 0.0704 | AML | other | m | 2023-04-18T01:09:55.62 |
IV.NRCA.HHE. | ML:0.8 | 0.00011895 | 0.26 | AML | other | m | 2023-04-18T01:09:55.65 |
IV.MMO1.EHE. | ML:0.4 | 0.00002451359 | 0.98 | AML | other | m | 2023-04-18T01:09:58.05 |
IV.MMO1.EHN. | ML:0.4 | 0.000025980290000000002 | 1.22 | AML | other | m | 2023-04-18T01:09:58.11 |
IV.RM33.HNN. | ML:1.9 | 0.00036199999999999996 | 0.92 | AML | other | m | 2023-04-18T01:10:16.55 |
IV.RM33.HNE. | ML:2.0 | 0.0004612 | 0.42 | AML | other | m | 2023-04-18T01:10:16.58 |