A magnitude ML 1.1 earthquake occured in region: 3 km NW Polino (TR), on
and geographic coordinates (lat, lon) 42.6040, 12.8180 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 |
---|---|---|---|---|
Polino | TR | 3 | 233 | 233 |
Ferentillo | TR | 3 | 1913 | 2146 |
Montefranco | TR | 4 | 1276 | 3422 |
Arrone | TR | 5 | 2763 | 6185 |
Morro Reatino | RI | 9 | 373 | 6558 |
Labro | RI | 9 | 374 | 6932 |
Rivodutri | RI | 10 | 1253 | 8185 |
Colli sul Velino | RI | 12 | 533 | 8718 |
Monteleone di Spoleto | PG | 12 | 599 | 9317 |
Scheggino | PG | 12 | 461 | 9778 |
Poggio Bustone | RI | 13 | 2055 | 11833 |
Leonessa | RI | 13 | 2435 | 14268 |
Sant'Anatolia di Narco | PG | 15 | 564 | 14832 |
Terni | TR | 15 | 111501 | 126333 |
Poggiodomo | PG | 15 | 117 | 126450 |
Spoleto | PG | 16 | 38218 | 164668 |
Cantalice | RI | 17 | 2755 | 167423 |
Greccio | RI | 17 | 1558 | 168981 |
Stroncone | TR | 17 | 4917 | 173898 |
Vallo di Nera | PG | 19 | 364 | 174262 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2023-04-17 05:45:02 |
42.6038 | 12.8183 | 11 | 2023-04-17 06:26:27 |
Sala Sismica INGV-Roma | 116447451 |
Field | Value |
---|---|
Time (UTC) | 2023-04-17 05:45:02 ± 0.16 |
Latitude | 42.6038 ± 0.0126 |
Longitude | 12.8183 ± 0.0086 |
Depth (km) | 11 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 116447451 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1390 |
Semi-minor axis of confidence ellipse (meter) | 689 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 174 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1390.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 148 |
Number of associated phases, regardless of their use for origin computation | 14 |
Number of defining phases | 14 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.29 |
Epicentral distance of station closest to the epicenter (degree) | 0.04587 |
Epicentral distance of station farthest from the epicenter (degree) | 0.45416 |
Number of stations at which the event was observed | 7 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.3 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 116447451 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-04-17 06:26:27 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ASSB.HHE. | 2023-04-17T05:45:18.67 | 0.6 | undecidable | manual | S | 345 | 50.4162 | 50 | 0.25 | 46 |
IV.CESI.HHZ. | 2023-04-17T05:45:17.05 | 0.3 | undecidable | manual | S | 9 | 45.0216 | 50 | 0.06 | 73 |
IV.NRCA.HHZ. | 2023-04-17T05:45:13.84 | 0.3 | undecidable | manual | S | 43 | 35.1426 | 50 | -0.5 | 68 |
IV.MOMA.HHN. | 2023-04-17T05:45:13.00 | 0.3 | undecidable | manual | S | 318 | 30.0477 | 50 | 0.01 | 76 |
IV.CESI.HHZ. | 2023-04-17T05:45:10.89 | 0.1 | undecidable | manual | P | 9 | 45.0216 | 50 | 0.03 | 98 |
IV.ASSB.HHE. | 2023-04-17T05:45:10.83 | 0.6 | undecidable | manual | P | 345 | 50.4162 | 50 | -0.85 | 38 |
IV.LNSS.HHZ. | 2023-04-17T05:45:09.71 | 0.3 | undecidable | manual | S | 90 | 18.1707 | 50 | -0.1 | 76 |
IV.NRCA.HHZ. | 2023-04-17T05:45:09.52 | 0.1 | undecidable | manual | P | 43 | 35.1426 | 50 | 0.2 | 96 |
IV.MOMA.HHN. | 2023-04-17T05:45:08.61 | 0.1 | undecidable | manual | P | 318 | 30.0477 | 50 | 0.07 | 100 |
IV.GAVE.EHZ. | 2023-04-17T05:45:07.96 | 0.6 | undecidable | manual | S | 32 | 11.5773 | 133 | -0.04 | 52 |
IV.LNSS.HHZ. | 2023-04-17T05:45:06.88 | 0.1 | undecidable | manual | P | 90 | 18.1707 | 50 | 0.17 | 100 |
IV.ARRO.EHZ. | 2023-04-17T05:45:06.22 | 0.1 | undecidable | manual | S | 238 | 5.0949 | 155 | -0.43 | 97 |
IV.ARRO.EHZ. | 2023-04-17T05:45:05.25 | 0.1 | undecidable | manual | P | 238 | 5.0949 | 155 | 0.36 | 98 |
IV.GAVE.EHZ. | 2023-04-17T05:45:05.92 | 0.3 | undecidable | manual | P | 32 | 11.5773 | 133 | 0.25 | 74 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.ARRO.EHN. | ML:1.0 | 0.0001547189 | 0.1408 | AML | other | m | 2023-04-17T05:45:07.54 |
IV.ARRO.EHE. | ML:0.8 | 0.00010821944999999999 | 0.1408 | AML | other | m | 2023-04-17T05:45:07.53 |
IV.GAVE.EHN. | ML:1.6 | 0.000397 | 0.36 | AML | other | m | 2023-04-17T05:45:08.28 |
IV.GAVE.EHE. | ML:1.4 | 0.0002545 | 0.48 | AML | other | m | 2023-04-17T05:45:08.51 |
IV.LNSS.HHE. | ML:1.1 | 0.00009219999999999999 | 0.56 | AML | other | m | 2023-04-17T05:45:10.95 |
IV.LNSS.HHN. | ML:1.0 | 0.00008130000000000001 | 0.7 | AML | other | m | 2023-04-17T05:45:11.48 |