Earthquake with magnitude of ML 1.3 on date 15-05-2021 and time 22:35:01 (Italy) in region 4 km E Cascia (PG)

A magnitude ML 1.3 earthquake occured in region: 4 km E Cascia (PG), on

  • 15-05-2021 20:35:01 (UTC)
  • 15-05-2021 22:35:01 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7160, 13.0670 at 11 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
Cascia PG 4 3217 3217
Norcia PG 9 4957 8174
Poggiodomo PG 11 117 8291
Monteleone di Spoleto PG 12 599 8890
Cittareale RI 13 482 9372
Accumoli RI 15 667 10039
Cerreto di Spoleto PG 17 1075 11114
Vallo di Nera PG 18 364 11478
Preci PG 18 724 12202
Sant'Anatolia di Narco PG 19 564 12766
Leonessa RI 19 2435 15201
Scheggino PG 19 461 15662
Arquata del Tronto AP 20 1178 16840

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km E of Terni (111501 inhabitants)
40 Km SE of Foligno (57155 inhabitants)
49 Km NW of L'Aquila (69753 inhabitants)
53 Km W of Teramo (54892 inhabitants)
70 Km SE of Perugia (166134 inhabitants)
84 Km NE of Guidonia Montecelio (88673 inhabitants)
85 Km E of Viterbo (67173 inhabitants)
86 Km N of Tivoli (56533 inhabitants)
91 Km W of Montesilvano (53738 inhabitants)
98 Km W of Pescara (121014 inhabitants)
99 Km W of Chieti (51815 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 1.3 2021-05-15
20:35:01
42.7155 13.0673 11 2021-05-15
20:42:49
Sala Sismica INGV-Roma 90137371
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-05-15 20:35:01 ± 0.04
Latitude 42.7155 ± 0.0027
Longitude 13.0673 ± 0.0037
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 90137371

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 235
Semi-minor axis of confidence ellipse (meter) 224
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 100
Circular confidence region, given by single value of horizontal uncertainty (meter) 230.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 67
Number of associated phases, regardless of their use for origin computation 36
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.44337
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 13
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 90137371
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-05-15 20:42:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
RF.GEPF.HHZ. 2021-05-15T20:36:36.24 3.0 undecidable manual Sn 0.32 0
IV.MGR.HHZ. 2021-05-15T20:36:02.65 3.0 undecidable manual Sn -2.15 0
IV.BOB.HHZ. 2021-05-15T20:35:47.11 3.0 undecidable manual Pn -1.74 0
IV.ZEN8.EHZ. 2021-05-15T20:35:46.40 3.0 undecidable manual Pn -2.9 0
GU.GSCL.HHZ. 2021-05-15T20:35:31.67 3.0 undecidable manual Pn -5.02 0
IV.EL6.EHZ. 2021-05-15T20:35:29.79 3.0 undecidable manual Sg 3.06 0
IV.FIR.HHZ. 2021-05-15T20:35:28.98 3.0 undecidable manual Pg 2.32 0
IV.CSP1.EHZ. 2021-05-15T20:35:20.02 3.0 undecidable manual Sn -1.44 0
IV.ASSB.HHZ. 2021-05-15T20:35:17.19 0.3 undecidable manual S 318 49.2174 50 0.16 68
IV.VITU.HHZ. 2021-05-15T20:35:16.94 3.0 undecidable manual Pn 0.84 0
IV.MOMA.HHZ. 2021-05-15T20:35:15.56 0.6 undecidable manual S 284 41.625 50 0.54 42
IV.CESI.HHZ. 2021-05-15T20:35:13.20 0.6 undecidable manual S 338 34.743 50 0.04 48
IV.FDMO.HHZ. 2021-05-15T20:35:13.35 0.6 undecidable manual S 3 35.6421 50 -0.06 48
IV.ARRO.EHZ. 2021-05-15T20:35:11.20 0.6 undecidable manual S 239 28.8489 50 -0.41 45
IV.MMO1.EHZ. 2021-05-15T20:35:11.66 0.3 undecidable manual S 46 29.3484 50 -0.07 72
IV.SMA1.EHZ. 2021-05-15T20:35:10.59 0.6 undecidable manual S 113 23.754 50 0.34 46
IV.ASSB.HHZ. 2021-05-15T20:35:10.16 0.1 undecidable manual P 318 49.2174 50 -0.23 90
IV.MC2.EHZ. 2021-05-15T20:35:10.38 0.6 undecidable manual S 24 23.8539 50 0.11 48
IV.RM33.EHZ. 2021-05-15T20:35:10.69 0.3 undecidable manual S 152 25.8519 50 -0.11 72
IV.T1299.HNE. 2021-05-15T20:35:09.11 0.6 undecidable manual S 117 19.6692 118 0.03 49
IV.MOMA.HHZ. 2021-05-15T20:35:09.41 1.0 positive manual P 284 41.625 50 0.18 23
IV.CESI.HHZ. 2021-05-15T20:35:08.06 0.1 undecidable manual P 338 34.743 50 -0.1 95
IV.FDMO.HHZ. 2021-05-15T20:35:08.17 1.0 negative manual P 3 35.6421 50 -0.13 24
IV.MMO1.EHZ. 2021-05-15T20:35:07.37 0.1 undecidable manual P 46 29.3484 50 0.04 97
IV.LNSS.HHZ. 2021-05-15T20:35:07.05 0.6 undecidable manual S 190 12.6762 130 0 50
IV.NRCA.HHZ. 2021-05-15T20:35:07.04 0.6 undecidable manual S 16 13.6752 128 -0.26 48
IV.GAVE.EHZ. 2021-05-15T20:35:07.57 0.6 undecidable manual S 260 14.3745 126 0.07 49
IV.ARRO.EHZ. 2021-05-15T20:35:07.09 0.6 positive manual P 239 28.8489 50 -0.17 47
IV.RM33.EHZ. 2021-05-15T20:35:06.60 0.6 negative manual P 152 25.8519 50 -0.19 47
IV.RCAV.EHZ. 2021-05-15T20:35:06.86 3.0 undecidable manual P -0.05 0
IV.SMA1.EHZ. 2021-05-15T20:35:06.57 0.3 negative manual P 113 23.754 50 0.09 73
IV.MC2.EHZ. 2021-05-15T20:35:06.59 1.0 negative manual P 24 23.8539 50 0.11 24
IV.T1299.HNE. 2021-05-15T20:35:05.84 0.1 undecidable manual P 117 19.6692 118 0.05 98
IV.GAVE.EHZ. 2021-05-15T20:35:05.00 0.1 positive manual P 260 14.3745 126 0.11 98
IV.NRCA.HHZ. 2021-05-15T20:35:04.79 0.1 positive manual P 16 13.6752 128 0.01 100
IV.LNSS.HHZ. 2021-05-15T20:35:04.74 1.0 undecidable manual P 190 12.6762 130 0.12 25
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.3 0.000211 0.18 AML other m 2021-05-15T20:35:07.11
IV.LNSS.HHE. ML:1.5 0.000366 0.14 AML other m 2021-05-15T20:35:07.33
IV.LNSS.HHN. ML:1.5 0.00031899999999999995 0.16 AML other m 2021-05-15T20:35:07.37
IV.GAVE.EHN. ML:1.6 0.000354 0.12 AML other m 2021-05-15T20:35:07.88
IV.GAVE.EHE. ML:1.4 0.00023999999999999998 0.2 AML other m 2021-05-15T20:35:08.22
IV.NRCA.HHE. ML:1.3 0.00020999999999999998 1.16 AML other m 2021-05-15T20:35:08.39
IV.SMA1.EHN. ML:1.2 0.00010489999999999999 1.64 AML other m 2021-05-15T20:35:10.92
IV.RM33.EHN. ML:1.4 0.000127 0.22 AML other m 2021-05-15T20:35:10.94
IV.SMA1.EHE. ML:1.3 0.00011300000000000001 0.82 AML other m 2021-05-15T20:35:11.48
IV.RM33.EHE. ML:1.2 0.00008355 0.12 AML other m 2021-05-15T20:35:11.51
IV.MOMA.HHN. ML:1.1 0.00004075 1.28 AML other m 2021-05-15T20:35:16.94
IV.MOMA.HHE. ML:1.3 0.00006315 0.9 AML other m 2021-05-15T20:35:17.53
IV.ASSB.HHN. ML:1.3 0.0000499 0.52 AML other m 2021-05-15T20:35:18.84
IV.ASSB.HHE. ML:1.2 0.00003825 0.58 AML other m 2021-05-15T20:35:19.44
IV.CESI.HHE. ML:0.9 0.000036431610000000006 0.1664 AML other m 2021-05-15T20:35:13.88
IV.CESI.HHN. ML:1.2 0.000057677445 0.1408 AML other m 2021-05-15T20:35:13.70
IV.FDMO.HHE. ML:0.7 0.0000190751935 0.1408 AML other m 2021-05-15T20:35:14.76
IV.FDMO.HHN. ML:0.8 0.00002279553 0.1408 AML other m 2021-05-15T20:35:16.17
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