Earthquake with magnitude of ML 1.0 on date 17-05-2020 and time 22:00:58 (Italy) in region 4 km E Ferentillo (TR)

A magnitude ML 1.0 earthquake occured in region: 4 km E Ferentillo (TR), on

  • 17-05-2020 20:00:58 (UTC)
  • 17-05-2020 22:00:58 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6340, 12.8390 at 12 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
Ferentillo TR 4 1913 1913
Polino TR 5 233 2146
Montefranco TR 7 1276 3422
Arrone TR 8 2763 6185
Scheggino PG 9 461 6646
Monteleone di Spoleto PG 10 599 7245
Sant'Anatolia di Narco PG 11 564 7809
Poggiodomo PG 12 117 7926
Morro Reatino RI 12 373 8299
Labro RI 12 374 8673
Leonessa RI 13 2435 11108
Rivodutri RI 13 1253 12361
Spoleto PG 14 38218 50579
Poggio Bustone RI 15 2055 52634
Vallo di Nera PG 15 364 52998
Colli sul Velino RI 16 533 53531
Cascia PG 17 3217 56748
Terni TR 18 111501 168249
Cantalice RI 19 2755 171004

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km E of Terni (111501 inhabitants)
38 Km SE of Foligno (57155 inhabitants)
56 Km NW of L'Aquila (69753 inhabitants)
64 Km SE of Perugia (166134 inhabitants)
65 Km E of Viterbo (67173 inhabitants)
71 Km W of Teramo (54892 inhabitants)
71 Km N of Guidonia Montecelio (88673 inhabitants)
75 Km N of Tivoli (56533 inhabitants)
87 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 1.0 2020-05-17
20:00:58
42.6345 12.8387 12 2020-05-17
20:12:05
Sala Sismica INGV-Roma 79241961
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-17 20:00:58 ± 0.07
Latitude 42.6345 ± 0.0054
Longitude 12.8387 ± 0.0049
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 79241961

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 563
Semi-minor axis of confidence ellipse (meter) 196
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 346
Circular confidence region, given by single value of horizontal uncertainty (meter) 560.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 110
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.13
Epicentral distance of station closest to the epicenter (degree) 0.07734
Epicentral distance of station farthest from the epicenter (degree) 0.30397
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 79241961
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-17 20:12:05
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RM33.EHZ. 2020-05-17T20:01:09.67 0.6 undecidable manual S 114 33.744 94 -0.02 49
IV.MOMA.HHZ. 2020-05-17T20:01:08.46 0.6 undecidable manual S 311 28.8489 95 0.06 49
IV.NRCA.HHZ. 2020-05-17T20:01:08.97 0.3 undecidable manual S 45 31.4463 94 -0.13 72
IV.CESX.HHZ. 2020-05-17T20:01:06.04 0.6 undecidable manual S 262 20.7681 99 -0.22 50
IV.LNSS.HHZ. 2020-05-17T20:01:05.24 0.6 undecidable manual S 102 16.872 105 0.02 50
IV.NRCA.HHZ. 2020-05-17T20:01:04.59 0.3 undecidable manual P 45 31.4463 94 0.09 75
IV.RM33.EHZ. 2020-05-17T20:01:04.86 1.0 undecidable manual P 114 33.744 94 0.01 25
IV.MOMA.HHZ. 2020-05-17T20:01:04.09 1.0 undecidable manual P 311 28.8489 95 0 25
IV.ARRO.EHZ. 2020-05-17T20:01:03.04 0.6 undecidable manual S 224 8.5803 134 -0.27 50
IV.LNSS.HHZ. 2020-05-17T20:01:02.34 0.6 undecidable manual P 102 16.872 105 0.08 51
IV.CESX.HHZ. 2020-05-17T20:01:02.83 0.6 positive manual P 262 20.7681 99 -0.03 51
IV.ARRO.EHZ. 2020-05-17T20:01:01.40 0.1 positive manual P 224 8.5803 134 0.24 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ARRO.EHE. ML:0.9 0.00008474999999999999 0.46 AML other m 2020-05-17T20:01:03.68
IV.ARRO.EHN. ML:0.8 0.0000756 0.24 AML other m 2020-05-17T20:01:04.15
IV.LNSS.HHN. ML:1.2 0.00011554999999999999 1.7 AML other m 2020-05-17T20:01:05.03
IV.LNSS.HHE. ML:1.1 0.00010600000000000002 1.68 AML other m 2020-05-17T20:01:05.08
IV.MOMA.HHE. ML:0.9 0.000039 1.38 AML other m 2020-05-17T20:01:08.27
IV.MOMA.HHN. ML:0.9 0.000036049999999999995 1.02 AML other m 2020-05-17T20:01:09.80
IV.NRCA.HHE. ML:1.2 0.00007005 0.16 AML other m 2020-05-17T20:01:09.33
IV.NRCA.HHN. ML:0.9 0.0000371 1.62 AML other m 2020-05-17T20:01:10.18
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