Earthquake with magnitude of ML 1.2 on date 16-05-2020 and time 22:57:21 (UTC) in region 1 km E Sant'Anatolia di Narco (PG)

A magnitude ML 1.2 earthquake occured in region: 1 km E Sant'Anatolia di Narco (PG), on

  • 16-05-2020 22:57:21 (UTC)
  • 17-05-2020 00:57:21 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7310, 12.8510 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
Sant'Anatolia di Narco PG 1 564 564
Scheggino PG 3 461 1025
Vallo di Nera PG 5 364 1389
Poggiodomo PG 7 117 1506
Spoleto PG 9 38218 39724
Cerreto di Spoleto PG 11 1075 40799
Campello sul Clitunno PG 12 2442 43241
Monteleone di Spoleto PG 12 599 43840
Ferentillo TR 13 1913 45753
Cascia PG 13 3217 48970
Polino TR 16 233 49203
Montefranco TR 16 1276 50479
Arrone TR 18 2763 53242
Castel Ritaldi PG 18 3278 56520
Trevi PG 18 8469 64989
Sellano PG 19 1079 66068

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km NE of Terni (111501 inhabitants)
28 Km SE of Foligno (57155 inhabitants)
56 Km SE of Perugia (166134 inhabitants)
62 Km NW of L'Aquila (69753 inhabitants)
70 Km NE of Viterbo (67173 inhabitants)
70 Km W of Teramo (54892 inhabitants)
82 Km N of Guidonia Montecelio (88673 inhabitants)
85 Km N of Tivoli (56533 inhabitants)
98 Km NE of Roma (2864731 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 2020-05-16
22:57:21
42.7313 12.8508 10 2020-05-16
23:04:46
Sala Sismica INGV-Roma 79212411
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-16 22:57:21 ± 0.04
Latitude 42.7313 ± 0.0018
Longitude 12.8508 ± 0.0024
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 79212411

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 225
Semi-minor axis of confidence ellipse (meter) 195
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 227
Circular confidence region, given by single value of horizontal uncertainty (meter) 220.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 51
Number of associated phases, regardless of their use for origin computation 35
Number of defining phases 32
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.56387
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 16
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 79212411
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-16 23:04:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2020-05-16T22:57:41.09 0.3 undecidable manual S 101 62.5929 50 0.11 69
IV.FIAM.HHZ. 2020-05-16T22:57:39.16 0.3 undecidable manual S 157 55.7997 50 -0.02 71
IV.ATFO.HHZ. 2020-05-16T22:57:37.32 3.0 positive manual P 3.57 0
IV.ARVD.HHZ. 2020-05-16T22:57:36.23 3.0 negative manual P 0.92 0
IV.APEC.HHZ. 2020-05-16T22:57:35.67 3.0 undecidable manual P -1.04 0
IV.MMO1.EHZ. 2020-05-16T22:57:35.73 0.3 undecidable manual S 64 43.0236 50 -0.03 73
IV.SMA1.EHZ. 2020-05-16T22:57:35.58 0.3 undecidable manual S 106 41.0256 50 0.34 68
IV.RM33.EHZ. 2020-05-16T22:57:34.54 0.3 undecidable manual S 130 38.628 50 -0.04 73
IV.FDMO.HHZ. 2020-05-16T22:57:34.74 0.3 undecidable manual S 29 38.9277 50 0.07 73
IV.ASSB.HHE. 2020-05-16T22:57:34.38 0.6 undecidable manual S 336 37.9287 50 -0.01 49
IV.MC2.EHZ. 2020-05-16T22:57:33.49 0.3 undecidable manual S 54 34.0437 50 0.14 72
IV.TERO.HHZ. 2020-05-16T22:57:32.86 0.6 undecidable manual P 101 62.5929 50 0.09 46
IV.CESI.HHZ. 2020-05-16T22:57:32.49 0.3 undecidable manual S 8 30.6471 50 0.03 74
IT.FOPC.HGN. 2020-05-16T22:57:31.84 0.3 undecidable manual S 336 29.0487 50 -0.19 72
IV.FIAM.HHZ. 2020-05-16T22:57:31.61 1.0 positive manual P 157 55.7997 50 -0.12 23
IT.GNU.HGE. 2020-05-16T22:57:30.96 0.6 undecidable manual S 289 24.2535 112 0.33 47
IV.NRCA.HHZ. 2020-05-16T22:57:30.34 0.3 undecidable manual S 62 24.2535 112 -0.3 71
IV.MOMA.HNZ. 2020-05-16T22:57:30.68 0.3 undecidable manual S 289 24.2535 112 0.04 75
IV.CESX.HHE. 2020-05-16T22:57:30.70 0.3 undecidable manual S 238 25.4523 111 -0.34 70
IV.SMA1.EHZ. 2020-05-16T22:57:29.55 0.1 undecidable manual P 106 41.0256 50 0.09 96
IV.LNSS.HHZ. 2020-05-16T22:57:29.65 0.3 undecidable manual S 133 21.0678 115 0.04 75
IV.FDMO.HHZ. 2020-05-16T22:57:29.02 0.6 negative manual P 29 38.9277 50 -0.1 48
IV.MMO1.EHZ. 2020-05-16T22:57:29.64 0.6 negative manual P 64 43.0236 50 -0.11 48
IV.ARRO.EHZ. 2020-05-16T22:57:28.80 0.3 undecidable manual S 202 18.2706 118 0.04 76
IV.ASSB.HHE. 2020-05-16T22:57:28.74 0.3 undecidable manual P 336 37.9287 50 -0.23 70
IV.RM33.EHZ. 2020-05-16T22:57:28.90 0.1 undecidable manual P 130 38.628 50 -0.18 95
IV.MC2.EHZ. 2020-05-16T22:57:28.44 0.1 undecidable manual P 54 34.0437 50 0.07 98
IV.MOMA.HNZ. 2020-05-16T22:57:27.04 0.1 undecidable manual P 289 24.2535 112 0.24 96
IV.CESI.HHZ. 2020-05-16T22:57:27.72 0.6 undecidable manual P 8 30.6471 50 -0.14 48
IT.FOPC.HGN. 2020-05-16T22:57:27.50 0.1 undecidable manual P 336 29.0487 50 -0.1 98
IT.GNU.HGE. 2020-05-16T22:57:27.13 0.1 undecidable manual P 289 24.2535 112 0.34 94
IV.CESX.HHE. 2020-05-16T22:57:26.79 0.1 undecidable manual P 238 25.4523 111 -0.24 96
IV.LNSS.HHZ. 2020-05-16T22:57:26.25 1.0 negative manual P 133 21.0678 115 0.04 25
IV.NRCA.HHZ. 2020-05-16T22:57:26.73 0.3 positive manual P 62 24.2535 112 -0.08 74
IV.ARRO.EHZ. 2020-05-16T22:57:25.80 0.1 positive manual P 202 18.2706 118 0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ARRO.EHE. ML:1.3 0.00016949999999999997 1.74 AML other m 2020-05-16T22:57:28.02
IV.ARRO.EHN. ML:1.2 0.00011499999999999999 0.2 AML other m 2020-05-16T22:57:29.41
IV.LNSS.HHE. ML:1.5 0.00021600000000000002 0.1 AML other m 2020-05-16T22:57:30.51
IV.NRCA.HHN. ML:1.3 0.0001115 0.16 AML other m 2020-05-16T22:57:31.12
IV.FDMO.HHN. ML:1.0 0.0000373 0.14 AML other m 2020-05-16T22:57:35.34
IV.RM33.EHE. ML:1.1 0.00005209999999999999 0.36 AML other m 2020-05-16T22:57:35.70
IV.RM33.EHN. ML:1.2 0.0000551 0.16 AML other m 2020-05-16T22:57:36.14
IV.SMA1.EHE. ML:1.2 0.0000525 0.28 AML other m 2020-05-16T22:57:36.79
IV.LNSS.HHN. ML:1.3 0.00015696290000000003 0.1408 AML other m 2020-05-16T22:57:30.71
IV.LNSS.HNE. ML:1.4 0.00020103625 0.1152 AML other m 2020-05-16T22:57:30.51
IV.LNSS.HNN. ML:1.4 0.00016107398 0.6016 AML other m 2020-05-16T22:57:30.35
IV.NRCA.HHE. ML:1.2 0.000085941145 0.1664 AML other m 2020-05-16T22:57:32.47
IV.CESI.HHE. ML:1.1 0.000065672385 0.0768 AML other m 2020-05-16T22:57:33.36
IV.CESI.HHN. ML:1.2 0.00008129116 0.1792 AML other m 2020-05-16T22:57:33.18
IV.FDMO.HHE. ML:1.0 0.00004209602 0.1536 AML other m 2020-05-16T22:57:35.48
IV.SMA1.EHN. ML:0.9 0.00002554128 0.1536 AML other m 2020-05-16T22:57:36.77
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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