A magnitude ML 1.1 earthquake occured in region: 3 km SW Cerreto di Spoleto (PG), on
and geographic coordinates (lat, lon) 42.8050, 12.8830 at 11 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 |
---|---|---|---|---|
Cerreto di Spoleto | PG | 3 | 1075 | 1075 |
Vallo di Nera | PG | 4 | 364 | 1439 |
Sant'Anatolia di Narco | PG | 9 | 564 | 2003 |
Campello sul Clitunno | PG | 9 | 2442 | 4445 |
Sellano | PG | 10 | 1079 | 5524 |
Scheggino | PG | 11 | 461 | 5985 |
Poggiodomo | PG | 11 | 117 | 6102 |
Trevi | PG | 14 | 8469 | 14571 |
Spoleto | PG | 14 | 38218 | 52789 |
Cascia | PG | 14 | 3217 | 56006 |
Preci | PG | 15 | 724 | 56730 |
Castel Ritaldi | PG | 17 | 3278 | 60008 |
Norcia | PG | 17 | 4957 | 64965 |
Monteleone di Spoleto | PG | 18 | 599 | 65564 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.1 | 2021-08-30 00:58:50 |
42.8047 | 12.8828 | 11 | 2021-12-29 11:12:26 |
Bollettino Sismico Italiano INGV | 95113141 |
Reviewed Rev100 |
ML 1.2 | 2021-08-30 00:58:50 |
42.8047 | 12.8828 | 11 | 2021-08-30 01:03:53 |
Sala Sismica INGV-Roma | 94805891 |
Field | Value |
---|---|
Time (UTC) | 2021-08-30 00:58:50 ± 0.05 |
Latitude | 42.8047 ± 0.0027 |
Longitude | 12.8828 ± 0.0049 |
Depth (km) | 11 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 95113141 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 376 |
Semi-minor axis of confidence ellipse (meter) | 241 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 101 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 380.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 60 |
Number of associated phases, regardless of their use for origin computation | 28 |
Number of defining phases | 22 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.2 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.38311 |
Number of stations at which the event was observed | 21 |
Number of stations from which data was used for origin computation | 16 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.2 |
Num. used stations | 20 |
Type of magnitude | ML |
Reference to an origin | 95113141 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-09-06 14:15:30 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.3 |
Num. used stations | 24 |
Type of magnitude | ML |
Reference to an origin | 94805891 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-08-30 01:03:53 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ARVD.HHZ. | 2021-08-30T00:59:15.07 | 3.0 | undecidable | manual | S | -0.28 | 0 | |||
IV.EL6.EHZ. | 2021-08-30T00:59:10.37 | 3.0 | undecidable | manual | S | -0.23 | 0 | |||
IV.EL6.EHZ. | 2021-08-30T00:59:01.55 | 3.0 | positive | manual | P | -0.2 | 0 | |||
IV.LNSS.HHZ. | 2021-08-30T00:59:00.34 | 0.3 | undecidable | manual | S | 150 | 25.8519 | 91 | 0.13 | 73 |
IV.ARRO.EHZ. | 2021-08-30T00:59:00.33 | 0.3 | undecidable | manual | S | 201 | 26.751 | 91 | -0.14 | 72 |
IV.MOMA.HHZ. | 2021-08-30T00:58:59.91 | 0.3 | undecidable | manual | S | 270 | 25.4523 | 91 | -0.2 | 71 |
IV.ATCC.EHZ. | 2021-08-30T00:58:59.58 | 3.0 | undecidable | manual | P | 0.18 | 0 | |||
IV.CESI.HHZ. | 2021-08-30T00:58:59.28 | 0.3 | undecidable | manual | S | 5 | 22.2555 | 92 | 0.01 | 74 |
IV.RM33.EHZ. | 2021-08-30T00:58:58.63 | 0.3 | undecidable | manual | P | 140 | 42.5241 | 91 | -0.2 | 69 |
IV.NRCA.HHZ. | 2021-08-30T00:58:58.36 | 0.3 | undecidable | manual | S | 80 | 19.0698 | 93 | -0.06 | 74 |
IV.MMO1.EHZ. | 2021-08-30T00:58:58.04 | 3.0 | positive | manual | P | 0.03 | 0 | |||
IV.SMA1.EHZ. | 2021-08-30T00:58:58.94 | 3.0 | positive | manual | P | 0.26 | 0 | |||
IT.GNU.HGE. | 2021-08-30T00:58:57.07 | 0.3 | undecidable | manual | P | 270 | 25.4523 | 91 | 0.87 | 59 |
IV.ASSB.HHZ. | 2021-08-30T00:58:57.01 | 0.1 | negative | manual | P | 325 | 32.0457 | 91 | -0.21 | 93 |
IV.MML1.EHZ. | 2021-08-30T00:58:57.63 | 0.3 | positive | manual | P | 12 | 35.0427 | 91 | -0.05 | 72 |
IV.ARRO.EHZ. | 2021-08-30T00:58:56.28 | 0.3 | positive | manual | P | 201 | 26.751 | 91 | -0.13 | 72 |
IV.FDMO.HHZ. | 2021-08-30T00:58:56.93 | 0.3 | positive | manual | P | 33 | 30.6471 | 91 | -0.07 | 72 |
IV.MOMA.HHZ. | 2021-08-30T00:58:56.30 | 0.6 | undecidable | manual | P | 270 | 25.4523 | 91 | 0.1 | 49 |
IV.MC2.EHZ. | 2021-08-30T00:58:56.69 | 0.1 | undecidable | manual | P | 64 | 27.5502 | 91 | 0.16 | 97 |
IV.GAVE.EHZ. | 2021-08-30T00:58:56.73 | 0.3 | undecidable | manual | S | 176 | 12.4764 | 110 | 0.05 | 76 |
IV.LNSS.HHZ. | 2021-08-30T00:58:56.20 | 0.3 | undecidable | manual | P | 150 | 25.8519 | 91 | -0.06 | 73 |
IV.CESX.HHZ. | 2021-08-30T00:58:56.99 | 0.3 | undecidable | manual | P | 228 | 32.5452 | 91 | -0.3 | 69 |
IT.MTCL.HGE. | 2021-08-30T00:58:55.75 | 0.1 | undecidable | manual | P | 24 | 23.0547 | 92 | -0.08 | 97 |
IT.FOPC.HGZ. | 2021-08-30T00:58:55.93 | 0.3 | undecidable | manual | P | 321 | 23.4543 | 92 | 0.04 | 75 |
IV.NRCA.HHZ. | 2021-08-30T00:58:55.23 | 0.1 | positive | manual | P | 80 | 19.0698 | 93 | 0 | 100 |
IV.FEMA.HNE. | 2021-08-30T00:58:55.82 | 0.6 | undecidable | manual | P | 38 | 22.1556 | 92 | 0.13 | 50 |
IV.CESI.HHZ. | 2021-08-30T00:58:55.74 | 0.1 | positive | manual | P | 5 | 22.2555 | 92 | 0.03 | 99 |
IV.GAVE.EHZ. | 2021-08-30T00:58:54.36 | 0.1 | negative | manual | P | 176 | 12.4764 | 110 | 0.14 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MOMA.HHN. | ML:1.2 | 0.00007795 | 0.2 | AML | other | m | 2021-08-30T00:59:00.71 |
IV.ARRO.EHN. | ML:0.9 | 0.00004485 | 0.18 | AML | other | m | 2021-08-30T00:59:00.65 |
IV.MOMA.HHE. | ML:1.4 | 0.00016249999999999997 | 0.14 | AML | other | m | 2021-08-30T00:59:00.78 |
IV.ARRO.EHE. | ML:1.1 | 0.00006445000000000001 | 0.44 | AML | other | m | 2021-08-30T00:59:00.89 |
IV.LNSS.HHE. | ML:1.1 | 0.00006670000000000001 | 1.88 | AML | other | m | 2021-08-30T00:59:00.99 |
IV.LNSS.HHN. | ML:1.1 | 0.00006709999999999999 | 0.44 | AML | other | m | 2021-08-30T00:59:01.53 |
IV.FDMO.HHE. | ML:0.9 | 0.000038599999999999996 | 0.28 | AML | other | m | 2021-08-30T00:59:01.84 |
IV.FDMO.HHN. | ML:0.9 | 0.000033350000000000004 | 1.44 | AML | other | m | 2021-08-30T00:59:02.21 |
IV.ASSB.HHN. | ML:1.1 | 0.0000498 | 0.66 | AML | other | m | 2021-08-30T00:59:02.81 |
IV.ASSB.HHE. | ML:1.1 | 0.0000544 | 1.2 | AML | other | m | 2021-08-30T00:59:02.80 |
IV.MML1.EHN. | ML:1.3 | 0.00007565 | 1.82 | AML | other | m | 2021-08-30T00:59:02.00 |
IV.MML1.EHE. | ML:1.1 | 0.0000551 | 0.66 | AML | other | m | 2021-08-30T00:59:03.51 |
IV.CESX.HHN. | ML:0.8 | 0.000032500000000000004 | 1.04 | AML | other | m | 2021-08-30T00:59:03.20 |
IV.CESX.HHE. | ML:0.8 | 0.00002855 | 0.7 | AML | other | m | 2021-08-30T00:59:04.76 |
IV.ATCC.EHE. | ML:0.0 | 0.000057249999999999996 | 0.64 | AML | other | m | 2021-08-30T00:59:06.87 |
IV.ATCC.EHN. | ML:0.0 | 0.000055150000000000006 | 1.48 | AML | other | m | 2021-08-30T00:59:07.25 |
IV.RM33.EHN. | ML:0.8 | 0.000018066095 | 0.2 | AML | other | m | 2021-08-30T00:59:05.86 |
IV.RM33.EHE. | ML:0.8 | 0.000020867485999999998 | 0.16 | AML | other | m | 2021-08-30T00:59:07.02 |
IV.EL6.EHN. | ML:1.3 | 0.00003959048499999999 | 1.26 | AML | other | m | 2021-08-30T00:59:10.96 |
IV.EL6.EHE. | ML:1.2 | 0.000033204159999999993 | 0 | AML | other | m | 2021-08-30T00:59:10.70 |