Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 02-04-2020 and time 22:39:30 (UTC) in region 5 km E Monteleone di Spoleto (PG)

A magnitude ML 1.2 earthquake occured in region: 5 km E Monteleone di Spoleto (PG), on

  • 02-04-2020 22:39:30 (UTC)
  • 03-04-2020 00:39:30 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6460, 13.0150 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Monteleone di Spoleto PG 5 599 599
Cascia PG 8 3217 3816
Poggiodomo PG 10 117 3933
Leonessa RI 10 2435 6368
Cittareale RI 12 482 6850
Posta RI 15 694 7544
Polino TR 16 233 7777
Scheggino PG 17 461 8238
Sant'Anatolia di Narco PG 18 564 8802
Norcia PG 18 4957 13759
Borbona RI 18 617 14376
Ferentillo TR 19 1913 16289
Vallo di Nera PG 19 364 16653
Poggio Bustone RI 19 2055 18708
Rivodutri RI 19 1253 19961
Morro Reatino RI 20 373 20334
Accumoli RI 20 667 21001

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km E of Terni (111501 inhabitants)
43 Km SE of Foligno (57155 inhabitants)
45 Km NW of L'Aquila (69753 inhabitants)
57 Km W of Teramo (54892 inhabitants)
72 Km SE of Perugia (166134 inhabitants)
76 Km NE of Guidonia Montecelio (88673 inhabitants)
78 Km N of Tivoli (56533 inhabitants)
79 Km E of Viterbo (67173 inhabitants)
94 Km W of Montesilvano (53738 inhabitants)
94 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 2020-04-02
22:39:30		 42.6463 13.0147 10 2020-04-02
22:45:44		 Sala Sismica INGV-Roma 77803961
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-04-02 22:39:30 ± 0.05
Latitude 42.6463 ± 0.0027
Longitude 13.0147 ± 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 77803961

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 312
Semi-minor axis of confidence ellipse (meter) 290
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 275
Circular confidence region, given by single value of horizontal uncertainty (meter) 310.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 114
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.12
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.39390
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.4
Num. used stations 38
Type of magnitude ML
Reference to an origin 77803961
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-04-02 22:45:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MOMA.HHZ. 2020-04-02T22:39:44.24 0.6 undecidable manual S 296 40.2264 50 0.41 59
IV.FIAM.HHZ. 2020-04-02T22:39:44.60 0.6 undecidable manual S 169 42.8238 50 0.08 63
IV.CESI.HHZ. 2020-04-02T22:39:44.06 0.6 undecidable manual S 347 40.7259 50 0.08 64
IV.FDMO.HHZ. 2020-04-02T22:39:44.87 0.6 undecidable manual S 8 43.7229 50 0.1 63
IV.MMO1.EHZ. 2020-04-02T22:39:43.12 0.6 undecidable manual S 42 37.8288 50 -0.09 64
IV.CESX.HHZ. 2020-04-02T22:39:42.45 0.6 undecidable manual S 263 35.1426 50 -0.04 65
IV.MC2.EHZ. 2020-04-02T22:39:41.77 0.6 undecidable manual S 26 32.6451 50 -0.05 65
IV.TERO.HHZ. 2020-04-02T22:39:39.18 3.0 undecidable manual P -0.36 0
IV.CSP1.EHZ. 2020-04-02T22:39:39.94 3.0 positive manual P 0.08 0
IV.FDMO.HHZ. 2020-04-02T22:39:38.49 1.0 undecidable manual P 8 43.7229 50 -0.19 31
IV.ARRO.EHZ. 2020-04-02T22:39:38.29 0.6 undecidable manual S 250 21.6672 114 -0.33 62
IV.MOMA.HHZ. 2020-04-02T22:39:38.13 1.0 undecidable manual P 296 40.2264 50 -0.01 32
IV.FIAM.HHZ. 2020-04-02T22:39:38.48 0.3 undecidable manual P 169 42.8238 50 -0.07 95
IV.CESI.HHZ. 2020-04-02T22:39:38.14 0.6 positive manual P 347 40.7259 50 -0.09 63
IV.MMO1.EHZ. 2020-04-02T22:39:37.56 1.0 undecidable manual P 42 37.8288 50 -0.22 31
IV.CESX.HHZ. 2020-04-02T22:39:37.35 1.0 positive manual P 263 35.1426 50 -0.01 33
IV.MC2.EHZ. 2020-04-02T22:39:36.89 0.6 undecidable manual P 26 32.6451 50 -0.09 64
IV.MTRA.EHZ. 2020-04-02T22:39:36.97 3.0 undecidable manual P 0.01 0
IV.SMA1.EHZ. 2020-04-02T22:39:36.17 3.0 positive manual P 0.3 0
IV.ARRO.EHZ. 2020-04-02T22:39:35.12 0.3 positive manual P 250 21.6672 114 -0.01 100
IV.RM33.EHZ. 2020-04-02T22:39:35.45 3.0 undecidable manual P 0.09 0
IV.NRCA.HHZ. 2020-04-02T22:39:34.61 3.0 undecidable manual P -0.33 0
IV.LNSS.HHZ. 2020-04-02T22:39:34.42 0.6 undecidable manual S 156 5.2947 152 0.19 66
IV.LNSS.HHZ. 2020-04-02T22:39:32.92 1.0 undecidable manual P 156 5.2947 152 0.32 32
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