A magnitude ML 0.9 earthquake occured in region: 3 km SW Cerreto di Spoleto (PG), on
and geographic coordinates (lat, lon) 42.7980, 12.9020 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 |
---|---|---|---|---|
Cerreto di Spoleto | PG | 3 | 1075 | 1075 |
Vallo di Nera | PG | 5 | 364 | 1439 |
Sant'Anatolia di Narco | PG | 9 | 564 | 2003 |
Poggiodomo | PG | 10 | 117 | 2120 |
Sellano | PG | 10 | 1079 | 3199 |
Campello sul Clitunno | PG | 11 | 2442 | 5641 |
Scheggino | PG | 11 | 461 | 6102 |
Cascia | PG | 13 | 3217 | 9319 |
Preci | PG | 14 | 724 | 10043 |
Spoleto | PG | 15 | 38218 | 48261 |
Trevi | PG | 15 | 8469 | 56730 |
Norcia | PG | 16 | 4957 | 61687 |
Monteleone di Spoleto | PG | 17 | 599 | 62286 |
Castel Ritaldi | PG | 19 | 3278 | 65564 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2021-08-19 00:13:19 |
42.7983 | 12.9025 | 11 | 2021-08-19 00:21:15 |
Sala Sismica INGV-Roma | 94352051 |
Field | Value |
---|---|
Time (UTC) | 2021-08-19 00:13:19 ± 0.04 |
Latitude | 42.7983 ± 0.0018 |
Longitude | 12.9025 ± 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 | 94352051 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 266 |
Semi-minor axis of confidence ellipse (meter) | 192 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 125 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 270.0 |
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 | 26 |
Number of defining phases | 22 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.13 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.36782 |
Number of stations at which the event was observed | 15 |
Number of stations from which data was used for origin computation | 11 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.2 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 94352051 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-08-19 00:21:15 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.LPEL.HHZ. | 2021-08-19T00:14:01.12 | 3.0 | undecidable | manual | S | -2.06 | 0 | |||
IV.CPGN.EHZ. | 2021-08-19T00:13:42.00 | 3.0 | undecidable | manual | P | 0 | 0 | |||
IV.ARVD.HHZ. | 2021-08-19T00:13:35.14 | 3.0 | undecidable | manual | P | 0.25 | 0 | |||
IV.CSP1.EHZ. | 2021-08-19T00:13:33.03 | 0.1 | undecidable | manual | S | 37 | 40.8258 | 50 | 0.17 | 92 |
IV.TERO.HHZ. | 2021-08-19T00:13:32.67 | 3.0 | undecidable | manual | P | 0.44 | 0 | |||
IV.MML1.EHZ. | 2021-08-19T00:13:31.51 | 1.0 | undecidable | manual | S | 9 | 35.4423 | 50 | 0.08 | 24 |
IV.MMO1.EHZ. | 2021-08-19T00:13:31.52 | 0.3 | undecidable | manual | S | 72 | 36.2415 | 50 | -0.14 | 70 |
IV.ASSB.HHZ. | 2021-08-19T00:13:30.84 | 0.3 | undecidable | manual | S | 324 | 33.5442 | 50 | -0.1 | 71 |
IV.ARRO.EHZ. | 2021-08-19T00:13:29.02 | 0.3 | undecidable | manual | S | 205 | 26.751 | 50 | -0.09 | 72 |
IV.FDMO.HHZ. | 2021-08-19T00:13:29.96 | 0.1 | undecidable | manual | S | 30 | 30.3474 | 50 | -0.13 | 95 |
IV.MC2.EHZ. | 2021-08-19T00:13:29.34 | 0.1 | undecidable | manual | S | 62 | 26.4513 | 50 | 0.3 | 92 |
IV.LNSS.HHZ. | 2021-08-19T00:13:28.34 | 0.3 | undecidable | manual | S | 153 | 24.4533 | 50 | -0.15 | 71 |
IV.CESI.HHZ. | 2021-08-19T00:13:28.06 | 0.3 | undecidable | manual | S | 0 | 22.9548 | 50 | -0.04 | 73 |
IV.CSP1.EHZ. | 2021-08-19T00:13:27.22 | 0.3 | undecidable | manual | P | 37 | 40.8258 | 50 | 0.02 | 71 |
IV.MMO1.EHZ. | 2021-08-19T00:13:26.49 | 0.3 | undecidable | manual | P | 72 | 36.2415 | 50 | -0.02 | 72 |
IV.MML1.EHZ. | 2021-08-19T00:13:26.37 | 0.1 | undecidable | manual | P | 9 | 35.4423 | 50 | 0 | 96 |
IV.NRCA.HHZ. | 2021-08-19T00:13:26.42 | 0.1 | undecidable | manual | S | 77 | 17.6712 | 122 | -0.23 | 95 |
IV.ASSB.HHZ. | 2021-08-19T00:13:26.02 | 0.1 | undecidable | manual | P | 324 | 33.5442 | 50 | -0.07 | 95 |
IV.FDMO.HHZ. | 2021-08-19T00:13:25.53 | 0.1 | undecidable | manual | P | 30 | 30.3474 | 50 | -0.07 | 96 |
IV.MC2.EHZ. | 2021-08-19T00:13:25.17 | 0.3 | undecidable | manual | P | 62 | 26.4513 | 50 | 0.18 | 71 |
IV.GAVE.EHZ. | 2021-08-19T00:13:25.04 | 0.1 | undecidable | manual | S | 183 | 11.7771 | 133 | 0.02 | 100 |
IV.ARRO.EHZ. | 2021-08-19T00:13:25.13 | 0.3 | undecidable | manual | P | 205 | 26.751 | 50 | 0.09 | 72 |
IV.CESI.HHZ. | 2021-08-19T00:13:24.47 | 0.3 | undecidable | manual | P | 0 | 22.9548 | 50 | 0.02 | 74 |
IV.LNSS.HHZ. | 2021-08-19T00:13:24.63 | 0.1 | undecidable | manual | P | 153 | 24.4533 | 50 | -0.05 | 97 |
IV.NRCA.HHZ. | 2021-08-19T00:13:23.63 | 0.1 | undecidable | manual | P | 77 | 17.6712 | 122 | 0.01 | 99 |
IV.GAVE.EHZ. | 2021-08-19T00:13:22.88 | 0.1 | undecidable | manual | P | 183 | 11.7771 | 133 | 0.21 | 96 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.GAVE.EHE. | ML:1.1 | 0.000147 | 0.48 | AML | other | m | 2021-08-19T00:13:25.62 |
IV.GAVE.EHN. | ML:1.2 | 0.0001575 | 0.84 | AML | other | m | 2021-08-19T00:13:25.60 |
IV.NRCA.HHE. | ML:1.0 | 0.0000844 | 0.16 | AML | other | m | 2021-08-19T00:13:26.63 |
IV.CESI.HHN. | ML:1.0 | 0.00006065 | 0.22 | AML | other | m | 2021-08-19T00:13:28.35 |
IV.CESI.HHE. | ML:0.7 | 0.00003705 | 0.08 | AML | other | m | 2021-08-19T00:13:28.54 |
IV.LNSS.HHE. | ML:0.9 | 0.0000453 | 0.14 | AML | other | m | 2021-08-19T00:13:28.70 |
IV.LNSS.HHN. | ML:0.9 | 0.0000461 | 0.16 | AML | other | m | 2021-08-19T00:13:28.75 |
IV.FDMO.HHE. | ML:0.7 | 0.000025149999999999998 | 1.18 | AML | other | m | 2021-08-19T00:13:30.38 |
IV.FDMO.HHN. | ML:0.5 | 0.00001585 | 0.78 | AML | other | m | 2021-08-19T00:13:30.52 |
IV.NRCA.HHN. | ML:1.0 | 0.00008315 | 0.14 | AML | other | m | 2021-08-19T00:13:34.54 |