A magnitude ML 1.2 earthquake occured in region: 4 km S Norcia (PG), on
and geographic coordinates (lat, lon) 42.7590, 13.0900 at 11 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 | 4 | 4957 | 4957 |
Cascia | PG | 8 | 3217 | 8174 |
Poggiodomo | PG | 14 | 117 | 8291 |
Preci | PG | 14 | 724 | 9015 |
Accumoli | RI | 15 | 667 | 9682 |
Cerreto di Spoleto | PG | 16 | 1075 | 10757 |
Castelsantangelo sul Nera | MC | 16 | 281 | 11038 |
Monteleone di Spoleto | PG | 16 | 599 | 11637 |
Cittareale | RI | 17 | 482 | 12119 |
Arquata del Tronto | AP | 17 | 1178 | 13297 |
Vallo di Nera | PG | 19 | 364 | 13661 |
Visso | MC | 19 | 1107 | 14768 |
Sellano | PG | 20 | 1079 | 15847 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.2 | 2023-05-11 23:21:26 |
42.7592 | 13.09 | 11 | 2023-05-11 23:34:42 |
Sala Sismica INGV-Roma | 117265661 |
Field | Value |
---|---|
Time (UTC) | 2023-05-11 23:21:26 ± 0.04 |
Latitude | 42.7592 ± 0.0018 |
Longitude | 13.0900 ± 0.0049 |
Depth (km) | 11 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 117265661 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 348 |
Semi-minor axis of confidence ellipse (meter) | 231 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 250 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 350.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 74 |
Number of associated phases, regardless of their use for origin computation | 18 |
Number of defining phases | 18 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.12 |
Epicentral distance of station closest to the epicenter (degree) | 0.15828 |
Epicentral distance of station farthest from the epicenter (degree) | 0.42448 |
Number of stations at which the event was observed | 12 |
Number of stations from which data was used for origin computation | 12 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.1 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 117265661 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-05-11 23:34:42 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.RM33.EHZ. | 2023-05-11T23:21:36.67 | 0.3 | undecidable | manual | S | 160 | 29.5482 | 50 | -0.03 | 72 |
IV.FDMO.HHZ. | 2023-05-11T23:21:36.90 | 0.3 | undecidable | manual | S | 360 | 30.747 | 50 | -0.12 | 71 |
IV.MMO1.EHZ. | 2023-05-11T23:21:35.42 | 0.1 | undecidable | manual | S | 51 | 24.753 | 50 | 0 | 99 |
IV.SMA1.EHZ. | 2023-05-11T23:21:35.37 | 0.1 | undecidable | manual | S | 125 | 24.5532 | 50 | 0 | 98 |
IV.ASSB.HHZ. | 2023-05-11T23:21:34.99 | 0.6 | negative | manual | P | 312 | 47.1195 | 50 | -0.03 | 47 |
IV.GUMA.HHZ. | 2023-05-11T23:21:34.05 | 0.1 | undecidable | manual | P | 31 | 39.1275 | 50 | 0.26 | 92 |
IV.MOMA.HHZ. | 2023-05-11T23:21:34.63 | 1.0 | undecidable | manual | P | 277 | 42.624 | 50 | 0.3 | 23 |
IV.MF5.EHZ. | 2023-05-11T23:21:34.20 | 1.0 | negative | manual | P | 50 | 39.3273 | 50 | 0.38 | 22 |
IV.LNSS.HHZ. | 2023-05-11T23:21:33.44 | 0.1 | undecidable | manual | S | 193 | 17.7711 | 50 | -0.13 | 96 |
IV.GAVE.EHZ. | 2023-05-11T23:21:33.58 | 0.1 | undecidable | manual | S | 245 | 17.5713 | 50 | 0.07 | 100 |
IV.CSP1.EHZ. | 2023-05-11T23:21:33.56 | 0.1 | undecidable | manual | P | 14 | 38.0286 | 50 | -0.07 | 95 |
IV.RM33.EHZ. | 2023-05-11T23:21:32.35 | 0.3 | undecidable | manual | P | 160 | 29.5482 | 50 | 0.04 | 73 |
IV.FDMO.HHZ. | 2023-05-11T23:21:32.37 | 0.3 | undecidable | manual | P | 360 | 30.747 | 50 | -0.14 | 71 |
IV.ARRO.EHZ. | 2023-05-11T23:21:32.83 | 0.1 | undecidable | manual | P | 233 | 33.1446 | 50 | -0.04 | 95 |
IV.SMA1.EHZ. | 2023-05-11T23:21:31.65 | 0.1 | undecidable | manual | P | 125 | 24.5532 | 50 | 0.1 | 98 |
IV.MMO1.EHZ. | 2023-05-11T23:21:31.41 | 0.1 | undecidable | manual | P | 51 | 24.753 | 50 | -0.17 | 95 |
IV.LNSS.HHZ. | 2023-05-11T23:21:30.53 | 0.1 | undecidable | manual | P | 193 | 17.7711 | 50 | 0.03 | 99 |
IV.GAVE.EHZ. | 2023-05-11T23:21:30.54 | 0.1 | undecidable | manual | P | 245 | 17.5713 | 50 | 0.06 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.LNSS.HHE. | ML:1.2 | 0.000142 | 0.26 | AML | other | m | 2023-05-11T23:21:33.79 |
IV.LNSS.HHN. | ML:1.3 | 0.00015050000000000003 | 0.22 | AML | other | m | 2023-05-11T23:21:33.83 |
IV.GAVE.EHE. | ML:1.0 | 0.00009090000000000001 | 0.5 | AML | other | m | 2023-05-11T23:21:33.70 |
IV.GAVE.EHN. | ML:1.1 | 0.00011070000000000001 | 0.18 | AML | other | m | 2023-05-11T23:21:34.10 |