Earthquake with magnitude of ML 1.5 on date 22-05-2020 and time 21:47:29 (Italy) in region 3 km SE Cerreto di Spoleto (PG)

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

  • 22-05-2020 19:47:29 (UTC)
  • 22-05-2020 21:47:29 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8010, 12.9460 at 9 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
Cerreto di Spoleto PG 3 1075 1075
Vallo di Nera PG 8 364 1439
Poggiodomo PG 10 117 1556
Sellano PG 10 1079 2635
Cascia PG 11 3217 5852
Preci PG 12 724 6576
Sant'Anatolia di Narco PG 12 564 7140
Norcia PG 12 4957 12097
Scheggino PG 13 461 12558
Campello sul Clitunno PG 14 2442 15000
Monteleone di Spoleto PG 17 599 15599
Trevi PG 18 8469 24068
Spoleto PG 18 38218 62286
Visso MC 19 1107 63393
Castelsantangelo sul Nera MC 20 281 63674

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)
91 Km N of Guidonia Montecelio (88673 inhabitants)
94 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
Bulletin
Rev1000
ML 1.5 2020-05-22
19:47:29
42.8008 12.9458 9 2020-11-19
12:36:47
Bollettino Sismico Italiano INGV 79778291
Reviewed
Rev100
ML 1.4 2020-05-22
19:47:29
42.802 12.9467 10 2020-05-22
20:02:45
Sala Sismica INGV-Roma 79461051
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-22 19:47:29 ± 0.04
Latitude 42.8008 ± 0.0027
Longitude 12.9458 ± 0.0037
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 79778291

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 259
Semi-minor axis of confidence ellipse (meter) 206
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 254
Circular confidence region, given by single value of horizontal uncertainty (meter) 260.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 73
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 22
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) 0.12770
Epicentral distance of station farthest from the epicenter (degree) 0.51531
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 13
Type of magnitude ML
Reference to an origin 79778291
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-06-01 10:38:24

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 17
Type of magnitude ML
Reference to an origin 79461051
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-22 20:02:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2020-05-22T19:47:47.64 0.3 undecidable manual S 110 57.1983 50 0.04 70
IV.SMA1.EHZ. 2020-05-22T19:47:42.56 0.1 undecidable manual S 121 36.9297 50 0.35 91
IV.RM33.EHZ. 2020-05-22T19:47:42.54 0.1 undecidable manual S 146 39.1275 50 -0.24 92
IV.CESX.HHN. 2020-05-22T19:47:41.90 0.3 undecidable manual S 234 36.2415 50 -0.12 72
IT.GNU.HGE. 2020-05-22T19:47:40.48 0.1 undecidable manual S 271 30.5472 50 -0.03 98
IV.TERO.HHZ. 2020-05-22T19:47:39.80 0.6 undecidable manual P 110 57.1983 50 -0.14 46
IV.FDMO.HHZ. 2020-05-22T19:47:39.50 0.3 undecidable manual S 24 28.5492 108 -0.37 69
IV.CESI.HHZ. 2020-05-22T19:47:38.02 0.1 undecidable manual S 352 22.8549 112 0.01 100
IT.MTCL.HGN. 2020-05-22T19:47:37.63 0.1 undecidable manual S 11 21.867 113 -0.05 99
IV.LNSS.HHZ. 2020-05-22T19:47:37.95 0.1 undecidable manual S 161 23.2545 111 -0.18 97
IV.CESX.HHN. 2020-05-22T19:47:36.99 0.6 undecidable manual P 234 36.2415 50 0.28 46
IT.GNU.HGE. 2020-05-22T19:47:36.07 0.1 undecidable manual P 271 30.5472 50 0.23 94
IV.SMA1.EHZ. 2020-05-22T19:47:36.88 0.6 positive manual P 121 36.9297 50 0.06 48
IV.T1299.HNN. 2020-05-22T19:47:36.10 0.1 undecidable manual P 124 33.0447 50 -0.12 96
IV.RM33.EHZ. 2020-05-22T19:47:36.98 1.0 positive manual P 146 39.1275 50 -0.18 23
IV.NRCA.HHZ. 2020-05-22T19:47:35.44 0.1 undecidable manual S 75 14.1747 123 0.12 99
IV.FDMO.HHZ. 2020-05-22T19:47:35.32 0.1 undecidable manual P 24 28.5492 108 -0.15 96
IT.FOPC.HGE. 2020-05-22T19:47:35.25 0.1 undecidable manual P 314 27.2505 109 0.04 99
IV.CESI.HHZ. 2020-05-22T19:47:34.49 0.1 positive manual P 352 22.8549 112 0.09 98
IV.LNSS.HHZ. 2020-05-22T19:47:34.50 0.1 undecidable manual P 161 23.2545 111 0.03 99
IT.MTCL.HGN. 2020-05-22T19:47:34.24 0.1 undecidable manual P 11 21.867 113 0.03 100
IV.NRCA.HHZ. 2020-05-22T19:47:33.06 0.1 undecidable manual P 75 14.1747 123 0.22 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNN. ML:1.9 0.00075790055 0.1536 AML other m 2020-05-22T19:47:35.58
IV.NRCA.HHN. ML:1.9 0.00079862215 0.1408 AML other m 2020-05-22T19:47:35.59
IV.NRCA.HHE. ML:1.8 0.0006317264499999999 0.0896 AML other m 2020-05-22T19:47:35.75
IV.NRCA.HNE. ML:1.7 0.0005513651 0.0896 AML other m 2020-05-22T19:47:35.75
IV.CESI.HHN. ML:1.4 0.00015977385 0.1408 AML other m 2020-05-22T19:47:38.28
IV.CESI.HNN. ML:1.5 0.000194084155 0.2176 AML other m 2020-05-22T19:47:38.43
IV.CESI.HHE. ML:1.2 0.00009806514 0.0768 AML other m 2020-05-22T19:47:38.58
IV.LNSS.HHE. ML:1.5 0.00019916295000000001 0.128 AML other m 2020-05-22T19:47:38.64
IV.LNSS.HNE. ML:1.4 0.0001629776 0.1152 AML other m 2020-05-22T19:47:38.71
IV.LNSS.HHN. ML:1.4 0.0001672442 0.1408 AML other m 2020-05-22T19:47:39.70
IV.LNSS.HNN. ML:1.4 0.00014742190999999998 0.128 AML other m 2020-05-22T19:47:39.64
IV.RM33.EHE. ML:1.2 0.000049654315000000004 0.2432 AML other m 2020-05-22T19:47:42.96
IV.RM33.EHN. ML:1.3 0.00006351389000000001 0.2432 AML other m 2020-05-22T19:47:42.87
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