Earthquake with magnitude of ML 1.2 on date 22-05-2020 and time 21:32:50 (Italy) in region 3 km SE Cerreto di Spoleto (PG)

A magnitude ML 1.2 earthquake occured in region: 3 km SE Cerreto di Spoleto (PG), on

  • 22-05-2020 19:32:50 (UTC)
  • 22-05-2020 21:32:50 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7980, 12.9450 at 10 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
Cerreto di Spoleto PG 3 1075 1075
Vallo di Nera PG 7 364 1439
Poggiodomo PG 10 117 1556
Sellano PG 10 1079 2635
Cascia PG 10 3217 5852
Sant'Anatolia di Narco PG 11 564 6416
Preci PG 12 724 7140
Norcia PG 12 4957 12097
Scheggino PG 13 461 12558
Campello sul Clitunno PG 14 2442 15000
Monteleone di Spoleto PG 16 599 15599
Spoleto PG 18 38218 53817
Trevi PG 18 8469 62286
Visso MC 19 1107 63393

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km SE of Foligno (57155 inhabitants)
36 Km NE of Terni (111501 inhabitants)
57 Km SE of Perugia (166134 inhabitants)
62 Km NW of L'Aquila (69753 inhabitants)
64 Km W of Teramo (54892 inhabitants)
81 Km NE of Viterbo (67173 inhabitants)
90 Km N of Guidonia Montecelio (88673 inhabitants)
93 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 1.2 2020-05-22
19:32:50
42.7975 12.9453 10 2020-05-22
19:54:23
Sala Sismica INGV-Roma 79460561
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-22 19:32:50 ± 0.05
Latitude 42.7975 ± 0.0018
Longitude 12.9453 ± 0.0037
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 79460561

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 288
Semi-minor axis of confidence ellipse (meter) 132
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 72
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 36
Number of defining phases 31
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.45686
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 16
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 25
Type of magnitude ML
Reference to an origin 79460561
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-22 19:54:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MNTV.HNZ. 2020-05-22T19:34:21.52 3.0 undecidable manual Sg 11.07 0
OT.OT11.EHZ. 2020-05-22T19:34:02.87 3.0 undecidable manual Sg 7.81 0
IT.FIE.HGZ. 2020-05-22T19:33:40.10 3.0 undecidable manual Sg 0.14 0
IV.BRSN.EHZ. 2020-05-22T19:33:39.46 3.0 undecidable manual Sg -1.55 0
IV.FIR.HHZ. 2020-05-22T19:33:18.38 3.0 undecidable manual Pg -0.06 0
IV.ATCC.EHZ. 2020-05-22T19:33:07.11 0.1 undecidable manual S 330 49.617 50 0.38 87
IV.SNTG.HHZ. 2020-05-22T19:33:07.45 0.3 undecidable manual S 360 50.7159 50 0.42 65
IV.CSP1.EHZ. 2020-05-22T19:33:03.73 0.6 undecidable manual S 33 38.8278 50 -0.13 47
IV.RM33.EHZ. 2020-05-22T19:33:03.73 0.1 undecidable manual S 145 38.8278 50 -0.12 94
IV.SMA1.EHZ. 2020-05-22T19:33:03.68 0.3 undecidable manual S 120 36.8298 50 0.37 67
IV.MMO1.EHZ. 2020-05-22T19:33:02.02 0.6 undecidable manual S 70 33.0447 50 -0.28 46
IV.ASSB.HHZ. 2020-05-22T19:33:02.84 0.1 undecidable manual S 320 35.8419 50 -0.2 93
IV.MOMA.HHZ. 2020-05-22T19:33:01.84 0.3 undecidable manual S 271 30.5472 50 0.2 70
IV.SNTG.HHZ. 2020-05-22T19:33:00.14 0.6 negative manual P 360 50.7159 50 -0.01 47
IV.FDMO.HHZ. 2020-05-22T19:33:00.92 0.1 undecidable manual S 23 28.9488 50 -0.28 92
IV.LNSS.HHZ. 2020-05-22T19:32:59.27 0.1 undecidable manual S 160 22.9548 113 -0.14 96
IV.CESI.HHZ. 2020-05-22T19:32:59.46 0.1 undecidable manual S 352 23.2545 113 -0.05 98
IV.MC2.EHZ. 2020-05-22T19:32:59.74 0.1 undecidable manual S 57 23.4543 113 0.15 96
IV.ATCC.EHZ. 2020-05-22T19:32:59.98 1.0 undecidable manual P 330 49.617 50 0 24
IV.SMA1.EHZ. 2020-05-22T19:32:58.19 0.6 positive manual P 120 36.8298 50 0.19 46
IT.MTCL.HGZ. 2020-05-22T19:32:58.94 0.1 undecidable manual S 11 22.2555 114 -0.25 94
IV.CSP1.EHZ. 2020-05-22T19:32:58.22 0.6 positive manual P 33 38.8278 50 -0.1 47
IV.FEMA.HNZ. 2020-05-22T19:32:58.55 0.1 undecidable manual S 25 20.1687 116 0.02 99
IV.RM33.EHZ. 2020-05-22T19:32:58.38 0.6 undecidable manual P 145 38.8278 50 0.07 47
IV.MOMA.HHZ. 2020-05-22T19:32:57.08 0.6 undecidable manual P 271 30.5472 50 0.04 48
IV.MMO1.EHZ. 2020-05-22T19:32:57.31 0.6 undecidable manual P 70 33.0447 50 -0.11 47
IV.ASSB.HHZ. 2020-05-22T19:32:57.72 0.1 undecidable manual P 320 35.8419 50 -0.13 94
IV.NRCA.HHZ. 2020-05-22T19:32:56.78 0.1 undecidable manual S 74 14.2746 124 0 100
IV.FDMO.HHZ. 2020-05-22T19:32:56.64 0.1 positive manual P 23 28.9488 50 -0.15 95
IV.MC2.EHZ. 2020-05-22T19:32:56.03 1.0 undecidable manual P 57 23.4543 113 0.18 24
IV.ARRO.EHZ. 2020-05-22T19:32:56.43 0.3 negative manual P 211 28.3494 50 -0.26 69
IV.CESI.HHZ. 2020-05-22T19:32:55.86 0.1 positive manual P 352 23.2545 113 0.05 98
IT.MTCL.HGZ. 2020-05-22T19:32:55.57 0.1 undecidable manual P 11 22.2555 114 -0.05 98
IV.LNSS.HHZ. 2020-05-22T19:32:55.77 0.1 undecidable manual P 160 22.9548 113 0.02 98
IV.FEMA.HNZ. 2020-05-22T19:32:55.37 0.1 undecidable manual P 25 20.1687 116 0.13 97
IV.NRCA.HHZ. 2020-05-22T19:32:54.41 0.1 negative manual P 74 14.2746 124 0.18 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHE. ML:1.5 0.00020644604999999998 0.1024 AML other m 2020-05-22T19:32:59.94
IV.LNSS.HHN. ML:1.5 0.0001969935 0.1792 AML other m 2020-05-22T19:32:59.81
IV.LNSS.HNN. ML:1.5 0.00020261475 0.1792 AML other m 2020-05-22T19:32:59.81
IV.LNSS.HNE. ML:1.4 0.00016480295 0.1152 AML other m 2020-05-22T19:32:59.99
IV.CESI.HNN. ML:1.5 0.0001887391 0.1792 AML other m 2020-05-22T19:32:59.60
IV.CESI.HHE. ML:1.2 0.00010373906499999999 0.1024 AML other m 2020-05-22T19:32:59.95
IV.CESI.HHN. ML:1.4 0.00016629855 0.2176 AML other m 2020-05-22T19:32:59.75
IV.CESI.HNE. ML:1.2 0.000109268895 0.5888 AML other m 2020-05-22T19:33:03.91
IV.ARRO.EHE. ML:0.8 0.0000329111 0.2048 AML other m 2020-05-22T19:33:03.81
IV.ARRO.EHN. ML:0.9 0.000040528745 0.1536 AML other m 2020-05-22T19:33:01.30
IV.FDMO.HHE. ML:1.1 0.00006113929 0.1536 AML other m 2020-05-22T19:33:01.25
IV.FDMO.HHN. ML:1.0 0.00005629893499999999 0.1152 AML other m 2020-05-22T19:33:01.08
IV.MOMA.HHE. ML:1.1 0.00006111417 0.1792 AML other m 2020-05-22T19:33:03.19
IV.MOMA.HHN. ML:1.0 0.000047382365 0.2816 AML other m 2020-05-22T19:33:01.98
IV.ASSB.HHN. ML:1.3 0.000086152905 0.1536 AML other m 2020-05-22T19:33:03.19
IV.ASSB.HHE. ML:1.2 0.000061233035 0.1024 AML other m 2020-05-22T19:33:03.26
IV.SMA1.EHE. ML:1.0 0.000039873655 0.1408 AML other m 2020-05-22T19:33:04.68
IV.SMA1.EHN. ML:1.0 0.00003285793 0.2432 AML other m 2020-05-22T19:33:05.20
IV.CSP1.EHN. ML:0.6 0.000014948078 0.2048 AML other m 2020-05-22T19:33:04.65
IV.CSP1.EHE. ML:0.9 0.0000281561925 0.1152 AML other m 2020-05-22T19:33:05.73
IV.RM33.EHN. ML:1.4 0.00008034007 0.2688 AML other m 2020-05-22T19:33:04.29
IV.RM33.EHE. ML:1.3 0.00006375094500000001 0.2176 AML other m 2020-05-22T19:33:04.24
IV.RM33.HNN. ML:1.4 0.000093692945 0.6272 AML other m 2020-05-22T19:33:00.29
IV.ATCC.EHE. ML:0.3 0.000004316350999999999 0.1792 AML other m 2020-05-22T19:33:03.74
IV.ATCC.EHN. ML:1.0 0.00002677649 0.2048 AML other m 2020-05-22T19:33:08.56
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