A magnitude ML 1.1 earthquake occured in region: 2 km N Spoleto (PG), on
and geographic coordinates (lat, lon) 42.7570, 12.7440 at 18 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 |
---|---|---|---|---|
Spoleto | PG | 2 | 38218 | 38218 |
Campello sul Clitunno | PG | 8 | 2442 | 40660 |
Sant'Anatolia di Narco | PG | 8 | 564 | 41224 |
Scheggino | PG | 9 | 461 | 41685 |
Castel Ritaldi | PG | 9 | 3278 | 44963 |
Vallo di Nera | PG | 10 | 364 | 45327 |
Trevi | PG | 14 | 8469 | 53796 |
Ferentillo | TR | 16 | 1913 | 55709 |
Cerreto di Spoleto | PG | 16 | 1075 | 56784 |
Giano dell'Umbria | PG | 16 | 3846 | 60630 |
Poggiodomo | PG | 16 | 117 | 60747 |
Montefalco | PG | 17 | 5679 | 66426 |
Acquasparta | TR | 18 | 4778 | 71204 |
Montefranco | TR | 18 | 1276 | 72480 |
Massa Martana | PG | 18 | 3770 | 76250 |
Arrone | TR | 19 | 2763 | 79013 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2021-09-22 13:15:16 |
42.7568 | 12.7435 | 18 | 2021-09-22 13:22:40 |
Sala Sismica INGV-Roma | 95742231 |
Field | Value |
---|---|
Time (UTC) | 2021-09-22 13:15:16 ± 0.24 |
Latitude | 42.7568 ± 0.0135 |
Longitude | 12.7435 ± 0.0184 |
Depth (km) | 18 ± 3 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 95742231 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1548 |
Semi-minor axis of confidence ellipse (meter) | 1096 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 219 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1550.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 98 |
Number of associated phases, regardless of their use for origin computation | 35 |
Number of defining phases | 12 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.31 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.37592 |
Number of stations at which the event was observed | 28 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 95742231 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-09-22 13:22:40 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MBAL.EHZ. | 2021-09-22T13:16:54.20 | 3.0 | undecidable | manual | Sg | 13.29 | 0 | |||
IV.ACATE.HNZ. | 2021-09-22T13:16:49.25 | 3.0 | negative | manual | Pg | 14.92 | 0 | |||
ST.RONC.EHZ. | 2021-09-22T13:16:47.54 | 3.0 | undecidable | manual | Sn | -1.13 | 0 | |||
IV.CRND.HNZ. | 2021-09-22T13:16:43.75 | 3.0 | undecidable | manual | Sg | 2.93 | 0 | |||
IV.BAG8.EHZ. | 2021-09-22T13:16:41.06 | 3.0 | undecidable | manual | Sn | -4.94 | 0 | |||
GU.RNCA.HHZ. | 2021-09-22T13:16:40.74 | 3.0 | undecidable | manual | Sg | 6.15 | 0 | |||
IV.QLNO.HHZ. | 2021-09-22T13:16:39.01 | 3.0 | undecidable | manual | Sn | -2.13 | 0 | |||
IV.MSAG.HHZ. | 2021-09-22T13:16:39.37 | 3.0 | undecidable | manual | Sg | 10.51 | 0 | |||
OT.OT05.EHZ. | 2021-09-22T13:16:31.47 | 3.0 | undecidable | manual | Sg | 7.52 | 0 | |||
OT.OT17.EHZ. | 2021-09-22T13:16:24.42 | 3.0 | undecidable | manual | Sg | 4.67 | 0 | |||
SI.MOSI.HHZ. | 2021-09-22T13:16:16.95 | 3.0 | positive | manual | Pg | 2.28 | 0 | |||
IV.IOCA.HHZ. | 2021-09-22T13:16:12.88 | 3.0 | undecidable | manual | Sg | 1.11 | 0 | |||
IV.MTSN.HHZ. | 2021-09-22T13:16:05.23 | 3.0 | positive | manual | Pg | 1.91 | 0 | |||
IV.RNI2.HHZ. | 2021-09-22T13:16:01.67 | 3.0 | undecidable | manual | Sg | 2.05 | 0 | |||
MN.TRI.HHZ. | 2021-09-22T13:15:59.08 | 3.0 | undecidable | manual | Pn | -3.47 | 0 | |||
IV.TEOL.HHZ. | 2021-09-22T13:15:56.35 | 3.0 | negative | manual | Pg | 0.73 | 0 | |||
IV.RAVA.EHZ. | 2021-09-22T13:15:53.18 | 3.0 | negative | manual | Pg | 4.31 | 0 | |||
IV.MSAG.HHZ. | 2021-09-22T13:15:49.16 | 3.0 | undecidable | manual | Pn | -5.88 | 0 | |||
IV.SGG.HHZ. | 2021-09-22T13:15:40.44 | 3.0 | positive | manual | Pn | -2.36 | 0 | |||
IV.TST02.HHZ. | 2021-09-22T13:15:39.46 | 3.0 | undecidable | manual | Pg | 0.26 | 0 | |||
IV.FIR.HHZ. | 2021-09-22T13:15:33.13 | 3.0 | undecidable | manual | Pn | -3.17 | 0 | |||
IV.TOLF.HHZ. | 2021-09-22T13:15:31.56 | 3.0 | undecidable | manual | Sg | -2.23 | 0 | |||
IV.FDMO.HHZ. | 2021-09-22T13:15:29.98 | 0.6 | undecidable | manual | S | 42 | 41.7249 | 102 | 0.09 | 49 |
IV.ASSB.HHN. | 2021-09-22T13:15:27.91 | 0.6 | undecidable | manual | S | 348 | 32.4453 | 107 | 0.42 | 46 |
IV.CESI.HHZ. | 2021-09-22T13:15:26.77 | 0.6 | undecidable | manual | S | 25 | 30.4473 | 109 | -0.22 | 48 |
IV.CESX.HHZ. | 2021-09-22T13:15:25.06 | 0.3 | undecidable | manual | S | 218 | 20.868 | 120 | 0.41 | 71 |
IV.FDMO.HHZ. | 2021-09-22T13:15:24.40 | 0.6 | positive | manual | P | 42 | 41.7249 | 102 | 0.33 | 46 |
IV.RDP.HHZ. | 2021-09-22T13:15:23.47 | 3.0 | positive | manual | P | -4.53 | 0 | |||
IV.MOMA.HHZ. | 2021-09-22T13:15:23.22 | 0.6 | undecidable | manual | S | 290 | 15.0738 | 132 | -0.18 | 50 |
IV.ASSB.HHN. | 2021-09-22T13:15:22.32 | 0.1 | undecidable | manual | P | 348 | 32.4453 | 107 | -0.36 | 94 |
IV.CESI.HHZ. | 2021-09-22T13:15:22.60 | 0.6 | undecidable | manual | P | 25 | 30.4473 | 109 | 0.21 | 49 |
IV.GAVE.EHZ. | 2021-09-22T13:15:22.99 | 0.6 | undecidable | manual | S | 120 | 14.2746 | 134 | -0.25 | 50 |
IV.GAVE.EHZ. | 2021-09-22T13:15:20.41 | 0.1 | undecidable | manual | P | 120 | 14.2746 | 134 | 0.19 | 100 |
IV.MOMA.HHZ. | 2021-09-22T13:15:20.69 | 0.6 | negative | manual | P | 290 | 15.0738 | 132 | 0.38 | 48 |
IV.CESX.HHZ. | 2021-09-22T13:15:20.54 | 0.1 | undecidable | manual | P | 218 | 20.868 | 120 | -0.5 | 93 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MOMA.HHN. | ML:0.9 | 0.00005395 | 0.2 | AML | other | m | 2021-09-22T13:15:23.53 |
IV.MOMA.HHE. | ML:1.2 | 0.0001255 | 0.24 | AML | other | m | 2021-09-22T13:15:23.74 |
IV.GAVE.EHE. | ML:1.0 | 0.00008065 | 0.2 | AML | other | m | 2021-09-22T13:15:24.30 |
IV.GAVE.EHN. | ML:1.0 | 0.0000661 | 0.12 | AML | other | m | 2021-09-22T13:15:24.41 |
IV.ARVD.HHN. | ML:1.3 | 0.000025750000000000002 | 0.42 | AML | other | m | 2021-09-22T13:15:32.61 |
IV.ARVD.HHE. | ML:1.2 | 0.00002113 | 0.68 | AML | other | m | 2021-09-22T13:16:15.41 |