A magnitude ML 1.1 earthquake occured in region: 3 km S Cascia (PG), on
and geographic coordinates (lat, lon) 42.6890, 13.0040 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 | 6 | 599 | 3816 |
Poggiodomo | PG | 6 | 117 | 3933 |
Norcia | PG | 14 | 4957 | 8890 |
Scheggino | PG | 14 | 461 | 9351 |
Leonessa | RI | 14 | 2435 | 11786 |
Sant'Anatolia di Narco | PG | 15 | 564 | 12350 |
Vallo di Nera | PG | 15 | 364 | 12714 |
Cittareale | RI | 15 | 482 | 13196 |
Cerreto di Spoleto | PG | 16 | 1075 | 14271 |
Polino | TR | 17 | 233 | 14504 |
Ferentillo | TR | 19 | 1913 | 16417 |
Posta | RI | 20 | 694 | 17111 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2021-05-23 16:58:13 |
42.689 | 13.0042 | 11 | 2021-05-23 17:07:28 |
Sala Sismica INGV-Roma | 90420771 |
Field | Value |
---|---|
Time (UTC) | 2021-05-23 16:58:13 ± 0.06 |
Latitude | 42.6890 ± 0.0054 |
Longitude | 13.0042 ± 0.0061 |
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 | 90420771 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 681 |
Semi-minor axis of confidence ellipse (meter) | 399 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 221 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 680.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 119 |
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) | 0.12 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.25990 |
Number of stations at which the event was observed | 7 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.3 |
Num. used stations | 11 |
Type of magnitude | ML |
Reference to an origin | 90420771 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-05-23 17:07:28 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.PE3.EHZ. | 2021-05-23T16:58:47.89 | 3.0 | undecidable | manual | S | -0.2 | 0 | |||
IV.SMA1.EHZ. | 2021-05-23T16:58:24.00 | 0.6 | undecidable | manual | S | 103 | 27.75 | 50 | 0.12 | 48 |
IV.RM33.EHZ. | 2021-05-23T16:58:23.34 | 0.6 | undecidable | manual | S | 139 | 26.3514 | 50 | -0.16 | 48 |
IV.MC2.EHZ. | 2021-05-23T16:58:19.66 | 0.6 | undecidable | manual | P | 31 | 28.8489 | 50 | -0.17 | 47 |
IV.SMA1.EHZ. | 2021-05-23T16:58:19.71 | 0.3 | undecidable | manual | P | 103 | 27.75 | 50 | 0.05 | 73 |
IV.RM33.EHZ. | 2021-05-23T16:58:19.36 | 1.0 | undecidable | manual | P | 139 | 26.3514 | 50 | -0.08 | 24 |
IV.ARRO.EHZ. | 2021-05-23T16:58:18.99 | 0.6 | positive | manual | P | 238 | 22.9548 | 50 | 0.07 | 49 |
IV.GAVE.EHZ. | 2021-05-23T16:58:18.55 | 0.6 | undecidable | manual | S | 272 | 8.9799 | 140 | -0.15 | 49 |
IV.LNSS.HHZ. | 2021-05-23T16:58:18.78 | 0.6 | undecidable | manual | S | 163 | 9.9789 | 137 | -0.16 | 49 |
IV.LNSS.HHZ. | 2021-05-23T16:58:16.95 | 0.1 | undecidable | manual | P | 163 | 9.9789 | 137 | 0.14 | 99 |
IV.GAVE.EHZ. | 2021-05-23T16:58:16.75 | 0.1 | positive | manual | P | 272 | 8.9799 | 140 | 0.08 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.GAVE.EHE. | ML:1.4 | 0.00036178925000000003 | 0.1792 | AML | other | m | 2021-05-23T16:58:18.58 |
IV.GAVE.EHN. | ML:1.4 | 0.00035864839999999996 | 0.2176 | AML | other | m | 2021-05-23T16:58:19.28 |
IV.LNSS.HHE. | ML:1.0 | 0.00011149999999999999 | 1.38 | AML | other | m | 2021-05-23T16:58:18.94 |
IV.LNSS.HHN. | ML:1.0 | 0.00011438171 | 0.1664 | AML | other | m | 2021-05-23T16:58:19.30 |
IV.GAVE.HNE. | ML:1.4 | 0.0003706871 | 0.192 | AML | other | m | 2021-05-23T16:58:18.67 |
IV.GAVE.HNN. | ML:1.0 | 0.00012413849 | 0.2048 | AML | other | m | 2021-05-23T16:58:19.18 |
IV.LNSS.HNE. | ML:0.9 | 0.00009971904500000001 | 0.1408 | AML | other | m | 2021-05-23T16:58:18.95 |
IV.LNSS.HNN. | ML:1.0 | 0.000135571515 | 0.4864 | AML | other | m | 2021-05-23T16:58:17.91 |
IV.RM33.EHE. | ML:0.7 | 0.000025118169999999997 | 0.2816 | AML | other | m | 2021-05-23T16:58:23.73 |
IV.RM33.EHN. | ML:0.6 | 0.000018871164999999997 | 0.2304 | AML | other | m | 2021-05-23T16:58:24.12 |
IV.RM33.HNE. | ML:1.2 | 0.000093068925 | 0.9088 | AML | other | m | 2021-05-23T16:58:27.96 |