A magnitude ML 0.9 earthquake occured in region: 5 km E Norcia (PG), on
and geographic coordinates (lat, lon) 42.8040, 13.1590 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 | 6 | 4957 | 4957 |
Castelsantangelo sul Nera | MC | 10 | 281 | 5238 |
Arquata del Tronto | AP | 12 | 1178 | 6416 |
Preci | PG | 13 | 724 | 7140 |
Accumoli | RI | 14 | 667 | 7807 |
Montegallo | AP | 15 | 523 | 8330 |
Cascia | PG | 15 | 3217 | 11547 |
Visso | MC | 15 | 1107 | 12654 |
Ussita | MC | 16 | 444 | 13098 |
Montemonaco | AP | 17 | 604 | 13702 |
Cerreto di Spoleto | PG | 20 | 1075 | 14777 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2023-04-25 06:18:23 |
42.8043 | 13.1593 | 9 | 2023-04-25 06:46:11 |
Sala Sismica INGV-Roma | 116724281 |
Field | Value |
---|---|
Time (UTC) | 2023-04-25 06:18:23 ± 0.08 |
Latitude | 42.8043 ± 0.0036 |
Longitude | 13.1593 ± 0.0049 |
Depth (km) | 9 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 116724281 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 476 |
Semi-minor axis of confidence ellipse (meter) | 340 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 36 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 480.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 140 |
Number of associated phases, regardless of their use for origin computation | 29 |
Number of defining phases | 23 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.18 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.37322 |
Number of stations at which the event was observed | 18 |
Number of stations from which data was used for origin computation | 12 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.2 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 116724281 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-04-25 06:46:11 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.SPS2.HHZ. | 2023-04-25T06:19:41.16 | 3.0 | undecidable | manual | Pg | 8.79 | 0 | |||
IV.SELL.HHZ. | 2023-04-25T06:19:33.86 | 3.0 | negative | manual | Pn | -3.73 | 0 | |||
RF.GEPF.HHZ. | 2023-04-25T06:19:26.46 | 3.0 | undecidable | manual | Pg | 7.42 | 0 | |||
IV.CSNT.HHZ. | 2023-04-25T06:19:17.07 | 3.0 | undecidable | manual | Sg | 1.37 | 0 | |||
IV.BRSN.HNZ. | 2023-04-25T06:19:14.63 | 3.0 | undecidable | manual | Sn | -3.17 | 0 | |||
IV.VISG.HHZ. | 2023-04-25T06:19:00.79 | 3.0 | positive | manual | Pg | 3 | 0 | |||
IV.PP3.EHZ. | 2023-04-25T06:18:46.10 | 0.3 | undecidable | manual | S | -0.92 | 1.57 | |||
IV.TERO.HHZ. | 2023-04-25T06:18:36.96 | 0.6 | undecidable | manual | S | 119 | 41.4252 | 50 | -0.09 | 47 |
IV.MML1.HNZ. | 2023-04-25T06:18:36.45 | 0.6 | undecidable | manual | S | 336 | 37.5291 | 50 | 0.45 | 44 |
IV.CESI.HHZ. | 2023-04-25T06:18:34.11 | 0.6 | undecidable | manual | S | 317 | 30.3474 | 107 | 0.04 | 48 |
IV.RM33.EHZ. | 2023-04-25T06:18:34.78 | 0.6 | undecidable | manual | S | 172 | 33.0447 | 50 | -0.03 | 48 |
IV.MF5.EHZ. | 2023-04-25T06:18:34.83 | 0.3 | undecidable | manual | S | 50 | 31.746 | 50 | 0.37 | 67 |
IV.CSP1.EHZ. | 2023-04-25T06:18:34.32 | 0.3 | undecidable | manual | S | 7 | 32.1456 | 50 | -0.23 | 69 |
IV.MML1.HNZ. | 2023-04-25T06:18:30.36 | 0.1 | undecidable | manual | P | 336 | 37.5291 | 50 | -0.17 | 92 |
IV.MTRA.HNZ. | 2023-04-25T06:18:30.81 | 0.6 | undecidable | manual | S | 105 | 20.0688 | 114 | 0.12 | 48 |
IV.MMO1.EHZ. | 2023-04-25T06:18:30.13 | 0.6 | undecidable | manual | S | 52 | 17.2716 | 118 | 0.32 | 46 |
IV.RM33.EHZ. | 2023-04-25T06:18:30.02 | 1.0 | undecidable | manual | P | 172 | 33.0447 | 50 | 0.17 | 23 |
IV.TERO.HHZ. | 2023-04-25T06:18:30.93 | 1.0 | undecidable | manual | P | 119 | 41.4252 | 50 | -0.21 | 23 |
IV.CSP1.EHZ. | 2023-04-25T06:18:29.40 | 0.1 | undecidable | manual | P | 7 | 32.1456 | 50 | -0.3 | 91 |
IV.CESI.HHZ. | 2023-04-25T06:18:29.25 | 0.3 | undecidable | manual | P | 317 | 30.3474 | 107 | -0.17 | 70 |
IV.MF5.EHZ. | 2023-04-25T06:18:29.92 | 0.1 | undecidable | manual | P | 50 | 31.746 | 50 | 0.27 | 91 |
7F.SIB2.EHZ. | 2023-04-25T06:18:28.97 | 0.6 | undecidable | manual | S | 51 | 15.1737 | 121 | -0.23 | 48 |
7F.SIB3.EHZ. | 2023-04-25T06:18:27.99 | 0.6 | undecidable | manual | S | 49 | 11.9769 | 127 | -0.27 | 47 |
IV.MTRA.HNZ. | 2023-04-25T06:18:27.36 | 0.1 | undecidable | manual | P | 105 | 20.0688 | 114 | -0.11 | 97 |
IV.NRCA.HHZ. | 2023-04-25T06:18:26.87 | 0.6 | undecidable | manual | S | 312 | 4.8951 | 152 | 0.24 | 48 |
7F.SIB2.EHZ. | 2023-04-25T06:18:26.55 | 0.1 | undecidable | manual | P | 51 | 15.1737 | 121 | -0.06 | 98 |
7F.SIB3.EHZ. | 2023-04-25T06:18:26.07 | 0.1 | undecidable | manual | P | 49 | 11.9769 | 127 | 0 | 100 |
IV.MMO1.EHZ. | 2023-04-25T06:18:26.87 | 0.6 | positive | manual | P | 52 | 17.2716 | 118 | -0.09 | 49 |
IV.NRCA.HHZ. | 2023-04-25T06:18:25.34 | 0.3 | undecidable | manual | P | 312 | 4.8951 | 152 | 0.22 | 73 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.1 | 0.0002405 | 1.38 | AML | other | m | 2023-04-25T06:18:26.10 |
IV.NRCA.HHE. | ML:1.4 | 0.0004355 | 0.16 | AML | other | m | 2023-04-25T06:18:27.21 |
IV.MMO1.EHN. | ML:0.8 | 0.000054449999999999995 | 0.24 | AML | other | m | 2023-04-25T06:18:30.03 |
IV.MMO1.EHE. | ML:0.9 | 0.0000688 | 0.72 | AML | other | m | 2023-04-25T06:18:30.54 |
IV.CESI.HHE. | ML:0.6 | 0.0000198212 | 0.1792 | AML | other | m | 2023-04-25T06:18:34.05 |
IV.CESI.HHN. | ML:0.9 | 0.000036519395 | 0.2592 | AML | other | m | 2023-04-25T06:18:34.24 |
IV.CSP1.EHE. | ML:1.0 | 0.000048219355 | 0.8384 | AML | other | m | 2023-04-25T06:18:34.28 |
IV.CSP1.EHN. | ML:0.6 | 0.000017526360000000003 | 0 | AML | other | m | 2023-04-25T06:18:34.83 |
IV.TERO.HHE. | ML:1.0 | 0.000034455884999999995 | 1.6192 | AML | other | m | 2023-04-25T06:18:36.52 |
IV.TERO.HHN. | ML:0.5 | 0.0000097914075 | 0.0608 | AML | other | m | 2023-04-25T06:18:37.08 |