A magnitude ML 1.1 earthquake occured in region: 5 km E Norcia (PG), on
and geographic coordinates (lat, lon) 42.7800, 13.1530 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 | 5 | 4957 | 4957 |
Arquata del Tronto | AP | 12 | 1178 | 6135 |
Accumoli | RI | 12 | 667 | 6802 |
Castelsantangelo sul Nera | MC | 13 | 281 | 7083 |
Cascia | PG | 13 | 3217 | 10300 |
Preci | PG | 14 | 724 | 11024 |
Montegallo | AP | 16 | 523 | 11547 |
Visso | MC | 18 | 1107 | 12654 |
Cittareale | RI | 18 | 482 | 13136 |
Ussita | MC | 18 | 444 | 13580 |
Poggiodomo | PG | 19 | 117 | 13697 |
Montemonaco | AP | 20 | 604 | 14301 |
Cerreto di Spoleto | PG | 20 | 1075 | 15376 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2023-05-09 01:59:26 |
42.7805 | 13.1527 | 11 | 2023-05-09 02:05:25 |
Sala Sismica INGV-Roma | 117165141 |
Field | Value |
---|---|
Time (UTC) | 2023-05-09 01:59:26 ± 0.03 |
Latitude | 42.7805 ± 0.0018 |
Longitude | 13.1527 ± 0.0037 |
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 | 117165141 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 257 |
Semi-minor axis of confidence ellipse (meter) | 194 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 91 |
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) | 91 |
Number of associated phases, regardless of their use for origin computation | 21 |
Number of defining phases | 20 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.1 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.31386 |
Number of stations at which the event was observed | 12 |
Number of stations from which data was used for origin computation | 11 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 117165141 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-05-09 02:05:25 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.VVLD.HHZ. | 2023-05-09T01:59:58.08 | 3.0 | undecidable | manual | S | -0.18 | 0 | |||
IV.CSP1.EHZ. | 2023-05-09T01:59:38.73 | 0.6 | undecidable | manual | S | 7 | 34.8429 | 50 | 0.06 | 48 |
IV.FDMO.HHZ. | 2023-05-09T01:59:37.05 | 0.3 | undecidable | manual | S | 349 | 28.8489 | 50 | -0.04 | 73 |
IV.RM33.EHZ. | 2023-05-09T01:59:37.53 | 0.6 | undecidable | manual | S | 170 | 30.5472 | 50 | 0 | 49 |
IV.LNSS.HHZ. | 2023-05-09T01:59:35.26 | 0.3 | undecidable | manual | S | 205 | 21.7671 | 50 | 0.08 | 73 |
IV.SMA1.EHZ. | 2023-05-09T01:59:35.28 | 0.3 | undecidable | manual | S | 138 | 22.3554 | 50 | -0.06 | 73 |
IV.MMO1.EHZ. | 2023-05-09T01:59:34.57 | 0.3 | undecidable | manual | S | 47 | 19.3695 | 119 | 0.04 | 74 |
IV.GUMA.HHZ. | 2023-05-09T01:59:33.99 | 0.6 | negative | manual | P | 25 | 34.6431 | 50 | 0.34 | 45 |
7F.SIB2.EHE. | 2023-05-09T01:59:33.88 | 0.3 | undecidable | manual | S | 45 | 17.3715 | 122 | -0.06 | 74 |
IV.RM33.EHZ. | 2023-05-09T01:59:33.06 | 1.0 | undecidable | manual | P | 170 | 30.5472 | 50 | 0.04 | 24 |
IV.CSP1.EHZ. | 2023-05-09T01:59:33.64 | 0.6 | positive | manual | P | 7 | 34.8429 | 50 | -0.03 | 48 |
7F.SIB3.EHE. | 2023-05-09T01:59:32.96 | 0.3 | undecidable | manual | S | 42 | 14.1747 | 127 | -0.06 | 74 |
IV.FDMO.HHZ. | 2023-05-09T01:59:32.66 | 0.6 | undecidable | manual | P | 349 | 28.8489 | 50 | -0.1 | 48 |
IV.NRCA.HHZ. | 2023-05-09T01:59:31.16 | 0.3 | undecidable | manual | S | 332 | 6.6933 | 148 | -0.08 | 75 |
IV.SMA1.EHZ. | 2023-05-09T01:59:31.85 | 1.0 | undecidable | manual | P | 138 | 22.3554 | 50 | 0.1 | 24 |
IV.MMO1.EHZ. | 2023-05-09T01:59:31.25 | 0.3 | positive | manual | P | 47 | 19.3695 | 119 | -0.04 | 74 |
IV.GAVE.HNN. | 2023-05-09T01:59:31.71 | 0.1 | undecidable | manual | P | 245 | 23.2545 | 50 | -0.18 | 95 |
IV.LNSS.HHZ. | 2023-05-09T01:59:31.77 | 1.0 | undecidable | manual | P | 205 | 21.7671 | 50 | 0.11 | 24 |
7F.SIB3.EHE. | 2023-05-09T01:59:30.42 | 0.1 | undecidable | manual | P | 42 | 14.1747 | 127 | 0 | 100 |
7F.SIB2.EHE. | 2023-05-09T01:59:30.89 | 0.3 | undecidable | manual | P | 45 | 17.3715 | 122 | -0.05 | 74 |
IV.NRCA.HHZ. | 2023-05-09T01:59:29.59 | 0.1 | undecidable | manual | P | 332 | 6.6933 | 148 | 0.21 | 97 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.3 | 0.00027800000000000004 | 0.14 | AML | other | m | 2023-05-09T01:59:31.30 |
IV.NRCA.HNN. | ML:1.3 | 0.0003075 | 0.42 | AML | other | m | 2023-05-09T01:59:31.30 |
IV.NRCA.HHE. | ML:1.2 | 0.0002205 | 0.08 | AML | other | m | 2023-05-09T01:59:31.33 |
IV.NRCA.HNE. | ML:1.2 | 0.0002305 | 0.92 | AML | other | m | 2023-05-09T01:59:31.75 |
IV.LNSS.HHE. | ML:1.0 | 0.000059499999999999996 | 0.26 | AML | other | m | 2023-05-09T01:59:35.48 |
IV.LNSS.HHN. | ML:0.8 | 0.0000455 | 0.3 | AML | other | m | 2023-05-09T01:59:35.79 |