Earthquake with magnitude of ML 1.5 on date 31-03-2020 and time 14:53:44 (Italy) in region 3 km NW Monteleone di Spoleto (PG)

A magnitude ML 1.5 earthquake occured in region: 3 km NW Monteleone di Spoleto (PG), on

  • 31-03-2020 12:53:44 (UTC)
  • 31-03-2020 14:53:44 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.67, 12.92 at 11 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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
Monteleone di Spoleto PG 3 599 599
Poggiodomo PG 5 117 716
Scheggino PG 9 461 1177
Cascia PG 10 3217 4394
Sant'Anatolia di Narco PG 10 564 4958
Polino TR 11 233 5191
Ferentillo TR 12 1913 7104
Vallo di Nera PG 12 364 7468
Leonessa RI 13 2435 9903
Montefranco TR 15 1276 11179
Arrone TR 15 2763 13942
Spoleto PG 16 38218 52160
Cerreto di Spoleto PG 17 1075 53235
Morro Reatino RI 17 373 53608
Rivodutri RI 18 1253 54861
Labro RI 19 374 55235
Poggio Bustone RI 19 2055 57290
Norcia PG 20 4957 62247

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km E of Terni (111501 inhabitants)
36 Km SE of Foligno (57155 inhabitants)
53 Km NW of L'Aquila (69753 inhabitants)
64 Km W of Teramo (54892 inhabitants)
65 Km SE of Perugia (166134 inhabitants)
72 Km E of Viterbo (67173 inhabitants)
76 Km N of Guidonia Montecelio (88673 inhabitants)
79 Km N of Tivoli (56533 inhabitants)
93 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
Bulletin
Rev1000
ML 1.5 2020-03-31
12:53:44
42.67 12.92 11 2020-07-18
21:08:33
Bollettino Sismico Italiano INGV 78311511
Reviewed
Rev100
ML 1.4 2020-03-31
12:53:44
42.68 12.92 10 2020-03-31
13:11:56
Sala Sismica INGV-Roma 77729461
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-03-31 12:53:44 ± 0.04
Latitude 42.67 ± 0.00
Longitude 12.92 ± 0.00
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 78311511

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 221
Semi-minor axis of confidence ellipse (meter) 190
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 197
Circular confidence region, given by single value of horizontal uncertainty (meter) 220
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 71
Number of associated phases, regardless of their use for origin computation 38
Number of defining phases 38
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) 0.11152
Epicentral distance of station farthest from the epicenter (degree) 0.50632
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 21
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 78311511
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-04-17 06:46:39

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 77729461
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-03-31 13:11:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.MML1.HNZ. 2020-03-31T12:54:00.47 0.3 undecidable manual S 5 0.4461 50 0.18 68
IV.FIAM.HNZ. 2020-03-31T12:53:59.65 0.6 undecidable manual S 160 0.4272 50 -0.08 47
IV.CAMP.HHZ. 2020-03-31T12:53:58.24 0.6 undecidable manual S 110 0.3849 50 -0.25 45
IV.MTRA.HNZ. 2020-03-31T12:53:57.92 0.6 undecidable manual S 76 0.3624 50 0.11 47
IV.CESI.HHZ. 2020-03-31T12:53:57.10 0.6 undecidable manual S 358 0.3354 50 0.08 48
IV.MC2.EHZ. 2020-03-31T12:53:56.46 0.1 undecidable manual S 39 0.3139 50 0.1 95
IV.SMA1.EHZ. 2020-03-31T12:53:56.59 0.1 undecidable manual S 97 0.3094 50 0.34 91
IT.MTCL.HGZ. 2020-03-31T12:53:56.81 0.6 undecidable manual S 10 0.3301 50 -0.05 48
IV.FEMA.HNZ. 2020-03-31T12:53:56.38 0.6 undecidable manual S 18 0.3085 50 0.16 47
IT.GNU.HGZ. 2020-03-31T12:53:55.60 0.6 undecidable manual S 298 0.2887 50 -0.02 49
IV.RM33.EHZ. 2020-03-31T12:53:55.10 0.3 undecidable manual S 126 0.2707 50 0 73
IV.MOMA.HHZ. 2020-03-31T12:53:55.75 0.3 undecidable manual S 298 0.2887 50 0.13 71
IV.T1299.EHZ. 2020-03-31T12:53:55.38 0.6 undecidable manual S 97 0.2707 50 0.29 46
IV.TERO.HHZ. 2020-03-31T12:53:54.44 0.3 undecidable manual P 95 0.5063 50 -0.25 67
IV.CESX.HHN. 2020-03-31T12:53:54.34 0.3 undecidable manual S 256 0.2509 50 -0.16 71
IV.CSP1.EHZ. 2020-03-31T12:53:54.22 0.1 undecidable manual P 26 0.4721 50 0.12 92
IV.NRCA.HHZ. 2020-03-31T12:53:53.21 0.3 undecidable manual S 41 0.2185 50 -0.35 69
IV.FIAM.HNZ. 2020-03-31T12:53:53.41 0.6 undecidable manual P 160 0.4272 50 0.09 47
IV.MML1.HNZ. 2020-03-31T12:53:53.57 0.3 undecidable manual P 5 0.4461 50 -0.08 70
IV.FDMO.HHZ. 2020-03-31T12:53:52.50 0.1 undecidable manual P 19 0.3876 50 -0.15 93
IV.MTRA.HNZ. 2020-03-31T12:53:52.11 0.6 undecidable manual P 76 0.3624 50 -0.11 47
IV.CAMP.HHZ. 2020-03-31T12:53:52.34 0.6 undecidable manual P 110 0.3849 50 -0.27 45
IV.MMO1.EHZ. 2020-03-31T12:53:52.56 0.1 undecidable manual P 52 0.3786 50 0.07 95
IT.MTCL.HGZ. 2020-03-31T12:53:51.46 0.3 undecidable manual P 10 0.3301 50 -0.21 70
IV.CESI.HHZ. 2020-03-31T12:53:51.70 0.1 undecidable manual P 358 0.3354 50 -0.07 95
IV.FEMA.HNZ. 2020-03-31T12:53:51.20 0.3 undecidable manual P 18 0.3085 50 -0.1 71
IT.GNU.HGZ. 2020-03-31T12:53:51.29 0.1 undecidable manual P 298 0.2887 50 0.34 91
IV.MC2.EHZ. 2020-03-31T12:53:51.34 0.3 undecidable manual P 39 0.3139 50 -0.05 72
IV.SMA1.EHZ. 2020-03-31T12:53:51.45 0.1 undecidable manual P 97 0.3094 50 0.13 95
IV.ARRO.EHZ. 2020-03-31T12:53:51.14 0.1 undecidable manual S 231 0.143 124 -0.14 98
IV.RM33.EHZ. 2020-03-31T12:53:50.56 0.1 undecidable manual P 126 0.2707 50 -0.09 96
IV.MOMA.HHZ. 2020-03-31T12:53:50.94 0.3 undecidable manual P 298 0.2887 50 -0.01 73
IV.T1299.EHZ. 2020-03-31T12:53:50.49 0.1 undecidable manual P 97 0.2707 50 -0.16 95
IV.LNSS.HHZ. 2020-03-31T12:53:50.37 0.1 undecidable manual S 126 0.1115 131 0.05 100
IV.CESX.HHN. 2020-03-31T12:53:50.45 0.6 undecidable manual P 256 0.2509 50 0.14 48
IV.NRCA.HHZ. 2020-03-31T12:53:49.59 0.1 undecidable manual P 41 0.2185 50 -0.17 96
IV.LNSS.HHZ. 2020-03-31T12:53:48.03 0.1 undecidable manual P 126 0.1115 131 0.14 98
IV.ARRO.EHZ. 2020-03-31T12:53:48.56 0.1 undecidable manual P 231 0.143 124 0.11 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHE. ML:1.5 0.000338 0.6 AML other m 2020-03-31T12:53:50.48
IV.LNSS.HHN. ML:1.5 0.000312 0.2 AML other m 2020-03-31T12:53:50.65
IV.ARRO.EHN. ML:1.3 0.0001935 0.14 AML other m 2020-03-31T12:53:51.37
IV.ARRO.EHE. ML:1.3 0.0001795 0.22 AML other m 2020-03-31T12:53:51.55
IV.NRCA.HHE. ML:1.8 0.0003905 0.68 AML other m 2020-03-31T12:53:53.39
IV.NRCA.HHN. ML:1.6 0.000262 0.16 AML other m 2020-03-31T12:53:53.52
IV.MOMA.HHN. ML:1.3 8.105E-5 1.12 AML other m 2020-03-31T12:53:56.63
IV.MOMA.HHE. ML:1.3 9.165E-5 0.58 AML other m 2020-03-31T12:53:56.41
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