Earthquake with magnitude of ML 1.1 on date 18-05-2022 and time 06:56:30 (UTC) in region 4 km SW Sellano (PG)

A magnitude ML 1.1 earthquake occured in region: 4 km SW Sellano (PG), on

  • 18-05-2022 06:56:30 (UTC)
  • 18-05-2022 08:56:30 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8570, 12.8990 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Sellano PG 4 1079 1079
Cerreto di Spoleto PG 4 1075 2154
Vallo di Nera PG 10 364 2518
Campello sul Clitunno PG 11 2442 4960
Preci PG 12 724 5684
Trevi PG 13 8469 14153
Sant'Anatolia di Narco PG 15 564 14717
Poggiodomo PG 16 117 14834
Scheggino PG 17 461 15295
Norcia PG 17 4957 20252
Monte Cavallo MC 17 145 20397
Visso MC 18 1107 21504
Cascia PG 18 3217 24721
Castel Ritaldi PG 19 3278 27999
Spoleto PG 19 38218 66217
Foligno PG 19 57155 123372

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km SE of Foligno (57155 inhabitants)
39 Km NE of Terni (111501 inhabitants)
50 Km SE of Perugia (166134 inhabitants)
69 Km W of Teramo (54892 inhabitants)
70 Km NW of L'Aquila (69753 inhabitants)
81 Km NE of Viterbo (67173 inhabitants)
96 Km N of Guidonia Montecelio (88673 inhabitants)
98 Km SW of Ancona (100861 inhabitants)
100 Km N of Tivoli (56533 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Reviewed
Rev100
ML 1.1 2022-05-18
06:56:30
42.8572 12.8992 11 2022-05-18
07:08:44
Sala Sismica INGV-Roma 104798871
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-05-18 06:56:30 ± 0.06
Latitude 42.8572 ± 0.0027
Longitude 12.8992 ± 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 104798871

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 294
Semi-minor axis of confidence ellipse (meter) 197
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 128
Circular confidence region, given by single value of horizontal uncertainty (meter) 290.0
Confidence level of the uncertainty (%) 68

Quality

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 31
Number of defining phases 31
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.14749
Epicentral distance of station farthest from the epicenter (degree) 0.39840
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 16
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 22
Type of magnitude ML
Reference to an origin 104798871
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-05-18 07:08:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SNTG.HHZ. 2022-05-18T06:56:45.48 0.6 undecidable manual S 4 44.2224 50 0.46 43
IV.CESX.HHZ. 2022-05-18T06:56:43.26 0.1 undecidable manual S 223 37.5291 50 0.04 96
IV.CSP1.EHZ. 2022-05-18T06:56:42.92 0.1 undecidable manual S 44 35.9418 50 0.12 95
IV.MMO1.EHN. 2022-05-18T06:56:42.72 0.3 undecidable manual S 82 35.0427 50 0.16 71
7F.SIB2.EHZ. 2022-05-18T06:56:42.06 0.6 undecidable manual S 83 33.1446 50 0.02 49
IV.LNSS.HHZ. 2022-05-18T06:56:41.29 0.3 undecidable manual S 158 30.4473 50 -0.04 73
7F.SIB3.EHZ. 2022-05-18T06:56:41.01 0.3 undecidable manual S 86 30.2475 50 -0.26 70
7F.SIB1.EHN. 2022-05-18T06:56:41.06 0.6 undecidable manual S 82 30.4473 50 -0.26 47
IV.MOMA.HHZ. 2022-05-18T06:56:40.54 0.6 undecidable manual S 258 27.4503 50 0.02 49
IV.ASSB.HHZ. 2022-05-18T06:56:40.28 0.6 undecidable manual S 317 28.3494 50 -0.49 44
IV.MC2.EHZ. 2022-05-18T06:56:40.01 0.3 undecidable manual S 76 24.3534 50 0.32 70
IV.MML1.EHZ. 2022-05-18T06:56:40.94 0.1 undecidable manual S 12 29.0487 50 -0.01 98
IV.SNTG.HHZ. 2022-05-18T06:56:38.85 0.1 undecidable manual P 4 44.2224 50 -0.1 94
IV.NRCA.HHZ. 2022-05-18T06:56:37.85 0.1 undecidable manual S 98 17.6712 121 0.02 100
IV.GAVE.EHZ. 2022-05-18T06:56:37.78 0.3 undecidable manual S 181 18.2706 120 -0.23 72
7F.SIB2.EHZ. 2022-05-18T06:56:37.27 0.1 undecidable manual P 83 33.1446 50 0.04 97
IV.CESX.HHZ. 2022-05-18T06:56:37.82 0.1 undecidable manual P 223 37.5291 50 -0.09 95
IV.CSP1.EHZ. 2022-05-18T06:56:37.74 0.1 undecidable manual P 44 35.9418 50 0.07 96
IV.MOMA.HHZ. 2022-05-18T06:56:37.06 0.6 undecidable manual P 258 27.4503 50 0.71 41
IV.CESI.HHZ. 2022-05-18T06:56:37.35 0.1 undecidable manual S 2 16.3725 123 -0.1 99
IV.ARRO.EHZ. 2022-05-18T06:56:37.29 1.0 undecidable manual P 199 32.745 50 0.12 24
IV.MC2.EHZ. 2022-05-18T06:56:36.03 0.3 undecidable manual P 76 24.3534 50 0.16 72
IV.MMO1.EHN. 2022-05-18T06:56:36.53 0.3 undecidable manual P 82 35.0427 50 -1 53
IV.MML1.EHZ. 2022-05-18T06:56:36.58 0.1 undecidable manual P 12 29.0487 50 -0.02 98
IV.LNSS.HHZ. 2022-05-18T06:56:36.93 0.3 undecidable manual P 158 30.4473 50 0.11 72
7F.SIB3.EHZ. 2022-05-18T06:56:36.70 0.1 undecidable manual P 86 30.2475 50 -0.08 97
7F.SIB1.EHN. 2022-05-18T06:56:36.86 0.3 undecidable manual P 82 30.4473 50 0.04 73
IV.ASSB.HHZ. 2022-05-18T06:56:36.37 0.3 undecidable manual P 317 28.3494 50 -0.13 72
IV.GAVE.EHZ. 2022-05-18T06:56:35.10 0.1 undecidable manual P 181 18.2706 120 0.2 96
IV.CESI.HHZ. 2022-05-18T06:56:34.67 0.1 positive manual P 2 16.3725 123 0.09 99
IV.NRCA.HHZ. 2022-05-18T06:56:34.89 0.1 undecidable manual P 98 17.6712 121 0.09 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHN. ML:1.0 0.000081591675 0.1792 AML other m 2022-05-18T06:56:37.81
IV.CESI.HHE. ML:1.0 0.000082192905 0.1024 AML other m 2022-05-18T06:56:37.86
IV.GAVE.EHE. ML:1.4 0.000177128385 0.08 AML other m 2022-05-18T06:56:38.26
IV.GAVE.EHN. ML:1.4 0.00017430925 0.0608 AML other m 2022-05-18T06:56:38.23
IV.NRCA.HHN. ML:1.4 0.0001913954 0.1408 AML other m 2022-05-18T06:56:39.63
IV.ASSB.HHE. ML:1.1 0.00006961204 0.08 AML other m 2022-05-18T06:56:40.92
IV.ASSB.HHN. ML:1.2 0.0000876 0.22 AML other m 2022-05-18T06:56:40.80
IV.MOMA.HHN. ML:0.8 0.000037157485 0.16 AML other m 2022-05-18T06:56:41.87
IV.MML1.EHN. ML:1.0 0.000042800000000000004 0.16 AML other m 2022-05-18T06:56:41.29
IV.LNSS.HHE. ML:1.1 0.00006670375500000001 0.1216 AML other m 2022-05-18T06:56:42.06
IV.MML1.EHE. ML:0.7 0.000025849999999999998 0.6 AML other m 2022-05-18T06:56:41.40
IV.MOMA.HHE. ML:0.9 0.00004396336 0.1792 AML other m 2022-05-18T06:56:41.11
IV.NRCA.HHE. ML:1.3 0.000154 1.86 AML other m 2022-05-18T06:56:42.93
IV.LNSS.HHN. ML:1.1 0.00005360312 0.16 AML other m 2022-05-18T06:56:43.25
IV.CSP1.EHE. ML:1.3 0.000083714215 0.2208 AML other m 2022-05-18T06:56:43.71
IV.CSP1.EHN. ML:1.3 0.00007671426 0.16 AML other m 2022-05-18T06:56:43.69
IV.NRCA.HNE. ML:1.2 0.00013977785 0.1216 AML other m 2022-05-18T06:56:41.93
IV.NRCA.HNN. ML:1.4 0.00019008225 0.1408 AML other m 2022-05-18T06:56:41.73
IV.GAVE.HNE. ML:1.2 0.00013765801 0.08 AML other m 2022-05-18T06:56:38.25
IV.MC2.EHE. ML:1.3 0.00012795036000000002 0.2208 AML other m 2022-05-18T06:56:41.47
IV.SNTG.HHE. ML:0.5 0.000009506682 0.16 AML other m 2022-05-18T06:56:47.84
IV.SNTG.HHN. ML:0.5 0.000012447920000000001 0.1184 AML other m 2022-05-18T06:56:46.23
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download