A magnitude ML 0.9 earthquake occured in region: 4 km S Cascia (PG), on
and geographic coordinates (lat, lon) 42.6830, 13.0220 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 |
---|---|---|---|---|
Cascia | PG | 4 | 3217 | 3217 |
Monteleone di Spoleto | PG | 7 | 599 | 3816 |
Poggiodomo | PG | 8 | 117 | 3933 |
Cittareale | RI | 13 | 482 | 4415 |
Norcia | PG | 14 | 4957 | 9372 |
Leonessa | RI | 14 | 2435 | 11807 |
Scheggino | PG | 16 | 461 | 12268 |
Vallo di Nera | PG | 16 | 364 | 12632 |
Sant'Anatolia di Narco | PG | 16 | 564 | 13196 |
Cerreto di Spoleto | PG | 18 | 1075 | 14271 |
Polino | TR | 18 | 233 | 14504 |
Accumoli | RI | 19 | 667 | 15171 |
Posta | RI | 19 | 694 | 15865 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2023-05-02 01:27:50 |
42.6828 | 13.0222 | 11 | 2023-05-02 01:33:50 |
Sala Sismica INGV-Roma | 116948111 |
Field | Value |
---|---|
Time (UTC) | 2023-05-02 01:27:50 ± 0.04 |
Latitude | 42.6828 ± 0.0027 |
Longitude | 13.0222 ± 0.0024 |
Depth (km) | 11 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 116948111 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 260 |
Semi-minor axis of confidence ellipse (meter) | 240 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 1 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 260.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 117 |
Number of associated phases, regardless of their use for origin computation | 11 |
Number of defining phases | 10 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.09 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.22393 |
Number of stations at which the event was observed | 6 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.1 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 116948111 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-05-02 01:33:50 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.SRES.HHZ. | 2023-05-02T01:28:10.62 | 3.0 | undecidable | manual | S | -0.2 | 0 | |||
IV.RM33.EHZ. | 2023-05-02T01:27:59.15 | 0.6 | undecidable | manual | S | 141 | 24.8529 | 90 | 0.01 | 50 |
IV.ARRO.EHZ. | 2023-05-02T01:27:58.80 | 0.6 | undecidable | manual | S | 241 | 23.8539 | 90 | -0.07 | 49 |
IV.NRCA.HHZ. | 2023-05-02T01:27:57.22 | 0.6 | undecidable | manual | S | 24 | 18.3705 | 90 | -0.17 | 49 |
IV.ARRO.EHZ. | 2023-05-02T01:27:55.25 | 1.0 | positive | manual | P | 241 | 23.8539 | 90 | 0.11 | 24 |
IV.GAVE.EHZ. | 2023-05-02T01:27:55.28 | 0.6 | undecidable | manual | S | 276 | 10.4784 | 117 | -0.06 | 51 |
IV.RM33.EHZ. | 2023-05-02T01:27:55.36 | 1.0 | negative | manual | P | 141 | 24.8529 | 90 | 0.06 | 25 |
IV.NRCA.HHZ. | 2023-05-02T01:27:54.35 | 0.1 | positive | manual | P | 24 | 18.3705 | 90 | 0.06 | 100 |
IV.LNSS.HHZ. | 2023-05-02T01:27:54.86 | 0.6 | undecidable | manual | S | 170 | 8.9799 | 125 | -0.14 | 50 |
IV.LNSS.HHZ. | 2023-05-02T01:27:53.06 | 1.0 | undecidable | manual | P | 170 | 8.9799 | 125 | 0.16 | 25 |
IV.GAVE.EHZ. | 2023-05-02T01:27:53.23 | 0.6 | undecidable | manual | P | 276 | 10.4784 | 117 | 0.13 | 50 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.LNSS.HHE. | ML:1.0 | 0.000125 | 0.14 | AML | other | m | 2023-05-02T01:27:55.43 |
IV.GAVE.EHN. | ML:0.9 | 0.00009515 | 0.54 | AML | other | m | 2023-05-02T01:27:55.54 |
IV.LNSS.HHN. | ML:1.0 | 0.000122 | 1.2 | AML | other | m | 2023-05-02T01:27:55.05 |
IV.GAVE.EHE. | ML:0.9 | 0.00008745 | 0.78 | AML | other | m | 2023-05-02T01:27:55.34 |