A magnitude ML 0.9 earthquake occured in region: 3 km E Vallo di Nera (PG), on
and geographic coordinates (lat, lon) 42.7830, 12.8960 at 12 km depth.
The earthquake was located by: Bollettino Sismico Italiano INGV.
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 |
---|---|---|---|---|
Vallo di Nera | PG | 3 | 364 | 364 |
Cerreto di Spoleto | PG | 5 | 1075 | 1439 |
Sant'Anatolia di Narco | PG | 7 | 564 | 2003 |
Poggiodomo | PG | 9 | 117 | 2120 |
Scheggino | PG | 9 | 461 | 2581 |
Campello sul Clitunno | PG | 11 | 2442 | 5023 |
Cascia | PG | 12 | 3217 | 8240 |
Sellano | PG | 12 | 1079 | 9319 |
Spoleto | PG | 14 | 38218 | 47537 |
Monteleone di Spoleto | PG | 15 | 599 | 48136 |
Preci | PG | 16 | 724 | 48860 |
Trevi | PG | 16 | 8469 | 57329 |
Norcia | PG | 16 | 4957 | 62286 |
Castel Ritaldi | PG | 19 | 3278 | 65564 |
Ferentillo | TR | 20 | 1913 | 67477 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 0.9 | 2021-10-11 17:42:55 |
42.7832 | 12.8957 | 12 | 2022-03-30 13:04:22 |
Bollettino Sismico Italiano INGV | 98594081 |
Reviewed Rev100 |
ML 1.0 | 2021-10-11 17:42:55 |
42.7842 | 12.8992 | 11 | 2021-10-11 18:47:21 |
Sala Sismica INGV-Roma | 96444311 |
Field | Value |
---|---|
Time (UTC) | 2021-10-11 17:42:55 ± 0.04 |
Latitude | 42.7832 ± 0.0018 |
Longitude | 12.8957 ± 0.0025 |
Depth (km) | 12 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 98594081 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 250 |
Semi-minor axis of confidence ellipse (meter) | 145 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 262 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 250.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 121 |
Number of associated phases, regardless of their use for origin computation | 16 |
Number of defining phases | 15 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.09 |
Epicentral distance of station closest to the epicenter (degree) | 0.09083 |
Epicentral distance of station farthest from the epicenter (degree) | 0.33455 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.2 |
Num. used stations | 14 |
Type of magnitude | ML |
Reference to an origin | 98594081 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-12-16 16:00:52 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.2 |
Num. used stations | 14 |
Type of magnitude | ML |
Reference to an origin | 96444311 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-10-11 18:47:21 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MML1.EHZ. | 2021-10-11T17:43:08.43 | 0.6 | undecidable | manual | S | 10 | 37.1295 | 91 | 0.26 | 46 |
IV.ASSB.HHZ. | 2021-10-11T17:43:07.39 | 0.3 | undecidable | manual | S | 326 | 34.6431 | 91 | -0.1 | 72 |
IV.FDMO.HHZ. | 2021-10-11T17:43:06.79 | 0.6 | undecidable | manual | S | 29 | 32.1456 | 91 | -0.03 | 49 |
IV.ARRO.EHZ. | 2021-10-11T17:43:04.98 | 0.3 | undecidable | manual | S | 205 | 24.9528 | 92 | 0.06 | 74 |
IV.LNSS.HHZ. | 2021-10-11T17:43:04.38 | 0.3 | undecidable | manual | S | 149 | 23.2545 | 93 | -0.07 | 74 |
IV.CESI.HHZ. | 2021-10-11T17:43:04.76 | 0.6 | undecidable | manual | S | 2 | 24.5532 | 92 | -0.05 | 49 |
IV.NRCA.HHZ. | 2021-10-11T17:43:03.09 | 0.6 | undecidable | manual | S | 72 | 18.6702 | 95 | -0.14 | 49 |
IV.ASSB.HHZ. | 2021-10-11T17:43:02.48 | 3.0 | undecidable | manual | P | 326 | 34.6431 | 91 | -0.06 | 96 |
IV.MML1.EHZ. | 2021-10-11T17:43:02.95 | 0.1 | undecidable | manual | P | 10 | 37.1295 | 91 | 0.01 | 97 |
IV.FDMO.HHZ. | 2021-10-11T17:43:02.16 | 0.1 | undecidable | manual | P | 29 | 32.1456 | 91 | 0 | 98 |
IV.CESI.HHZ. | 2021-10-11T17:43:01.03 | 0.1 | undecidable | manual | P | 2 | 24.5532 | 92 | 0.03 | 99 |
IV.ARRO.EHZ. | 2021-10-11T17:43:01.18 | 0.3 | negative | manual | P | 205 | 24.9528 | 92 | 0.12 | 73 |
IV.LNSS.HHZ. | 2021-10-11T17:43:00.79 | 0.1 | undecidable | manual | P | 149 | 23.2545 | 93 | 0 | 100 |
IV.GAVE.EHZ. | 2021-10-11T17:43:00.88 | 0.3 | undecidable | manual | S | 181 | 10.0788 | 123 | -0.17 | 74 |
IV.NRCA.HHZ. | 2021-10-11T17:43:00.11 | 0.1 | undecidable | manual | P | 72 | 18.6702 | 95 | 0.03 | 100 |
IV.GAVE.EHZ. | 2021-10-11T17:42:58.94 | 0.1 | undecidable | manual | P | 181 | 10.0788 | 123 | 0.11 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:1.1 | 0.0000979 | 0.5 | AML | other | m | 2021-10-11T17:43:03.30 |
IV.NRCA.HHN. | ML:1.0 | 0.00007714999999999999 | 0.48 | AML | other | m | 2021-10-11T17:43:04.67 |
IV.GAVE.EHN. | ML:1.3 | 0.0002343834 | 0.1664 | AML | other | m | 2021-10-11T17:43:01.82 |
IV.GAVE.EHE. | ML:1.3 | 0.0002200253 | 0.2176 | AML | other | m | 2021-10-11T17:43:02.12 |
IV.LNSS.HHE. | ML:0.9 | 0.0000475277705 | 0.0768 | AML | other | m | 2021-10-11T17:43:04.85 |
IV.LNSS.HHN. | ML:1.0 | 0.00005256794 | 0.1664 | AML | other | m | 2021-10-11T17:43:05.48 |
IV.CESI.HHN. | ML:0.9 | 0.000045547125 | 0.128 | AML | other | m | 2021-10-11T17:43:05.57 |
IV.CESI.HHE. | ML:0.9 | 0.00004252544 | 0.1024 | AML | other | m | 2021-10-11T17:43:05.31 |
IV.ARRO.EHE. | ML:0.7 | 0.0000308564235 | 0.2432 | AML | other | m | 2021-10-11T17:43:06.25 |
IV.ARRO.EHN. | ML:0.7 | 0.000030073345000000002 | 0.1792 | AML | other | m | 2021-10-11T17:43:06.59 |
IV.FDMO.HHN. | ML:0.4 | 0.000011367442550000001 | 0.1664 | AML | other | m | 2021-10-11T17:43:07.02 |
IV.FDMO.HHE. | ML:0.9 | 0.0000327571685 | 0.1408 | AML | other | m | 2021-10-11T17:43:07.26 |
IV.ASSB.HHN. | ML:0.8 | 0.0000245783585 | 0.4736 | AML | other | m | 2021-10-11T17:43:07.78 |
IV.ASSB.HHE. | ML:0.7 | 0.000018927075000000002 | 0.1408 | AML | other | m | 2021-10-11T17:43:07.53 |