Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.7 on date 09-05-2020 and time 14:08:27 (Italy) in region 2 km E Cascia (PG)

A magnitude ML 0.7 earthquake occured in region: 2 km E Cascia (PG), on

  • 09-05-2020 12:08:27 (UTC)
  • 09-05-2020 14:08:27 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7190, 13.0400 at 10 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.

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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
Cascia PG 2 3217 3217
Poggiodomo PG 9 117 3334
Norcia PG 9 4957 8291
Monteleone di Spoleto PG 10 599 8890
Cittareale RI 15 482 9372
Cerreto di Spoleto PG 15 1075 10447
Vallo di Nera PG 16 364 10811
Sant'Anatolia di Narco PG 17 564 11375
Scheggino PG 17 461 11836
Accumoli RI 17 667 12503
Preci PG 18 724 13227
Leonessa RI 18 2435 15662

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km E of Terni (111501 inhabitants)
38 Km SE of Foligno (57155 inhabitants)
50 Km NW of L'Aquila (69753 inhabitants)
55 Km W of Teramo (54892 inhabitants)
68 Km SE of Perugia (166134 inhabitants)
84 Km E of Viterbo (67173 inhabitants)
84 Km NE of Guidonia Montecelio (88673 inhabitants)
86 Km N of Tivoli (56533 inhabitants)
94 Km W of Montesilvano (53738 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 0.7 2020-05-09
12:08:27		 42.7187 13.0398 10 2020-11-19
12:36:44		 Bollettino Sismico Italiano INGV 79106041
Reviewed
Rev100 		ML 0.7 2020-05-09
12:08:27		 42.7187 13.0465 10 2020-05-09
13:39:54		 Sala Sismica INGV-Roma 78982241
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-09 12:08:27 ± 0.03
Latitude 42.7187 ± 0.0018
Longitude 13.0398 ± 0.0024
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 79106041

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 183
Semi-minor axis of confidence ellipse (meter) 150
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 242
Circular confidence region, given by single value of horizontal uncertainty (meter) 180.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 55
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 28
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) 0.11601
Epicentral distance of station farthest from the epicenter (degree) 0.42718
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 79106041
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-05-13 15:55:42

ML:0.7

Field Value
Value 0.7
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 78982241
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-09 13:39:54
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2020-05-09T12:08:42.58 0.3 undecidable manual S 103 47.2194 50 0.15 70
IV.MOMA.HNE. 2020-05-09T12:08:40.76 0.6 undecidable manual S 284 39.4272 50 0.41 45
IV.FDMO.HHZ. 2020-05-09T12:08:39.27 0.3 undecidable manual S 6 35.4423 50 -0.03 73
IV.CESI.HNE. 2020-05-09T12:08:38.83 0.3 undecidable manual S 341 33.6441 50 0.03 74
IV.MMO1.HNZ. 2020-05-09T12:08:38.05 0.3 undecidable manual S 49 30.747 50 0.01 74
IV.RM33.EHZ. 2020-05-09T12:08:37.04 0.3 undecidable manual S 148 27.2505 50 -0.07 74
IV.FEMA.HNZ. 2020-05-09T12:08:37.02 0.6 undecidable manual S 2 27.0507 50 -0.02 50
IV.ARRO.EHZ. 2020-05-09T12:08:37.04 0.3 undecidable manual S 235 27.2505 50 -0.05 74
IV.MTRA.HNZ. 2020-05-09T12:08:37.75 0.3 undecidable manual S 82 29.3484 50 0.09 73
IV.ASSB.HHN. 2020-05-09T12:08:36.17 0.6 undecidable manual P 319 47.4192 50 0.13 47
IV.MC2.EHZ. 2020-05-09T12:08:36.18 0.3 undecidable manual S 30 24.5532 50 -0.21 72
IV.TERO.HHZ. 2020-05-09T12:08:35.85 0.3 undecidable manual P 103 47.2194 50 -0.15 70
IV.T1299.HNZ. 2020-05-09T12:08:35.65 0.3 undecidable manual S 115 21.867 115 0.03 75
IV.FDMO.HHZ. 2020-05-09T12:08:34.11 0.6 undecidable manual P 6 35.4423 50 -0.08 48
IV.CESX.HHE. 2020-05-09T12:08:34.51 0.1 undecidable manual P 252 38.9277 50 -0.21 94
IV.MOMA.HNE. 2020-05-09T12:08:34.78 0.3 undecidable manual P 284 39.4272 50 -0.02 73
IV.NRCA.HHZ. 2020-05-09T12:08:33.12 0.3 undecidable manual S 25 14.0748 126 -0.18 74
IV.MMO1.HNZ. 2020-05-09T12:08:33.56 0.6 undecidable manual P 49 30.747 50 0.09 49
IV.CESI.HNE. 2020-05-09T12:08:33.77 0.3 undecidable manual P 341 33.6441 50 -0.14 72
IV.FEMA.HNZ. 2020-05-09T12:08:33.23 0.6 undecidable manual P 2 27.0507 50 0.34 47
IV.MTRA.HNZ. 2020-05-09T12:08:33.22 0.3 undecidable manual P 82 29.3484 50 -0.03 74
IV.MC2.EHZ. 2020-05-09T12:08:32.53 0.3 undecidable manual P 30 24.5532 50 0.02 75
IV.LNSS.HHZ. 2020-05-09T12:08:32.88 0.3 undecidable manual S 180 12.876 129 -0.07 76
IV.RM33.EHZ. 2020-05-09T12:08:32.84 0.3 undecidable manual P 148 27.2505 50 -0.09 74
IV.ARRO.EHZ. 2020-05-09T12:08:32.94 0.1 undecidable manual P 235 27.2505 50 0.02 99
IV.T1299.HNZ. 2020-05-09T12:08:32.22 0.3 undecidable manual P 115 21.867 115 0.15 73
IV.NRCA.HHZ. 2020-05-09T12:08:30.84 0.1 undecidable manual P 25 14.0748 126 0.11 100
IV.LNSS.HHZ. 2020-05-09T12:08:30.63 0.3 undecidable manual P 180 12.876 129 0.1 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHE. ML:0.9 0.000082424405 0.1408 AML other m 2020-05-09T12:08:33.43
IV.LNSS.HHN. ML:1.0 0.00009602995 0.1984 AML other m 2020-05-09T12:08:33.48
IV.RM33.EHN. ML:0.7 0.000025261570000000004 0.1024 AML other m 2020-05-09T12:08:37.33
IV.RM33.EHE. ML:0.7 0.000024208105 0.1216 AML other m 2020-05-09T12:08:37.75
IV.ARRO.EHN. ML:0.6 0.000018502844999999998 0.16 AML other m 2020-05-09T12:08:38.44
IV.ARRO.EHE. ML:0.4 0.00001698523 0.1408 AML other m 2020-05-09T12:08:38.88
IV.FDMO.HHE. ML:0.7 0.000017844775 1.7184 AML other m 2020-05-09T12:08:40.01
IV.FDMO.HHN. ML:0.6 0.000014730993000000001 0.16 AML other m 2020-05-09T12:08:40.14
IV.TERO.HHE. ML:0.6 0.000008460882999999999 0.096 AML other m 2020-05-09T12:08:43.80
IV.TERO.HHN. ML:0.6 0.0000088852815 0.1408 AML other m 2020-05-09T12:08:44.33
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