Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 22-03-2020 and time 01:39:25 (Italy) in region 2 km N Micigliano (RI)

A magnitude ML 1.3 earthquake occured in region: 2 km N Micigliano (RI), on

  • 22-03-2020 00:39:25 (UTC)
  • 22-03-2020 01:39:25 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.4740, 13.0580 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Micigliano RI 2 127 127
Antrodoco RI 6 2588 2715
Posta RI 7 694 3409
Borgo Velino RI 8 972 4381
Borbona RI 8 617 4998
Castel Sant'Angelo RI 9 1308 6306
Leonessa RI 13 2435 8741
Cantalice RI 13 2755 11496
Cittaducale RI 13 6828 18324
Cagnano Amiterno AQ 14 1369 19693
Poggio Bustone RI 14 2055 21748
Montereale AQ 17 2581 24329
Rivodutri RI 17 1253 25582
Concerviano RI 18 291 25873
Rieti RI 18 47698 73571
Cittareale RI 18 482 74053
Barete AQ 19 737 74790
Morro Reatino RI 19 373 75163
Petrella Salto RI 20 1197 76360
Scoppito AQ 20 3727 80087

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km W of L'Aquila (69753 inhabitants)
35 Km E of Terni (111501 inhabitants)
57 Km W of Teramo (54892 inhabitants)
59 Km NE of Guidonia Montecelio (88673 inhabitants)
61 Km NE of Tivoli (56533 inhabitants)
61 Km SE of Foligno (57155 inhabitants)
78 Km E of Viterbo (67173 inhabitants)
80 Km NE of Roma (2864731 inhabitants)
89 Km SE of Perugia (166134 inhabitants)
90 Km W of Montesilvano (53738 inhabitants)
90 Km N of Velletri (53303 inhabitants)
92 Km W of Chieti (51815 inhabitants)
95 Km W of Pescara (121014 inhabitants)
100 Km NE of Pomezia (62966 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 2020-03-22
00:39:25		 42.4737 13.0577 11 2020-03-22
00:47:23		 Sala Sismica INGV-Roma 77448351
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-03-22 00:39:25 ± 0.11
Latitude 42.4737 ± 0.0045
Longitude 13.0577 ± 0.0073
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 77448351

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 617
Semi-minor axis of confidence ellipse (meter) 536
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 71
Circular confidence region, given by single value of horizontal uncertainty (meter) 620.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 123
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.12051
Epicentral distance of station farthest from the epicenter (degree) 0.70867
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 15
Type of magnitude ML
Reference to an origin 77448351
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-03-22 00:47:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MMO1.EHZ. 2020-03-22T00:39:42.25 0.6 undecidable manual S 25 52.1034 50 0.06 47
IV.MNTT.EHZ. 2020-03-22T00:39:40.17 0.3 undecidable manual P 34 78.6657 50 0.81 54
IV.TERO.HHZ. 2020-03-22T00:39:40.63 0.6 undecidable manual S 69 47.619 50 -0.37 44
IV.CESX.HHZ. 2020-03-22T00:39:39.80 0.6 undecidable manual S 291 41.3253 50 0.49 44
IV.NRCA.HHZ. 2020-03-22T00:39:38.79 0.1 undecidable manual S 7 40.2264 50 -0.23 93
IV.FDMO.HHZ. 2020-03-22T00:39:36.89 0.1 undecidable manual P 2 62.493 50 0.01 93
IV.SMA1.EHZ. 2020-03-22T00:39:36.24 0.6 undecidable manual S 52 28.5492 50 0.32 47
IV.MMO1.EHZ. 2020-03-22T00:39:35.22 0.1 undecidable manual P 25 52.1034 50 -0.05 94
IV.T1299.HNE. 2020-03-22T00:39:35.22 0.3 undecidable manual S 46 25.5522 50 0.1 73
IV.FIAM.HHZ. 2020-03-22T00:39:34.23 0.6 undecidable manual S 168 23.3544 50 -0.29 47
IV.TERO.HHZ. 2020-03-22T00:39:34.30 0.1 undecidable manual P 69 47.619 50 -0.29 91
IV.CESX.HHZ. 2020-03-22T00:39:33.32 0.6 undecidable manual P 291 41.3253 50 -0.29 46
IV.NRCA.HHZ. 2020-03-22T00:39:33.20 0.1 undecidable manual P 7 40.2264 50 -0.24 93
IV.RM33.EHZ. 2020-03-22T00:39:31.81 0.3 undecidable manual S 73 13.3755 129 -0.04 76
IV.SMA1.EHZ. 2020-03-22T00:39:31.78 0.1 undecidable manual P 52 28.5492 50 0.12 97
IV.LNSS.HHZ. 2020-03-22T00:39:31.86 0.1 undecidable manual S 354 14.3745 127 -0.26 97
IV.T1299.HNE. 2020-03-22T00:39:31.25 0.1 undecidable manual P 46 25.5522 50 0.06 99
IV.FIAM.HHZ. 2020-03-22T00:39:30.86 0.1 undecidable manual P 168 23.3544 50 0.02 100
IV.RM33.EHZ. 2020-03-22T00:39:29.52 0.1 undecidable manual P 73 13.3755 129 0.22 98
IV.LNSS.HHZ. 2020-03-22T00:39:29.62 0.1 undecidable manual P 354 14.3745 127 0.16 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHE. ML:1.5 0.00027749999999999997 0.5 AML other m 2020-03-22T00:39:32.22
IV.NRCA.HHE. ML:1.1 0.00004745 0.16 AML other m 2020-03-22T00:39:39.25
IV.NRCA.HHN. ML:1.1 0.0000426 1.02 AML other m 2020-03-22T00:39:39.23
IV.RM33.EHE. ML:1.4 0.00026108114999999997 0.14 AML other m 2020-03-22T00:39:32.18
IV.RM33.EHN. ML:1.1 0.000131645605 0.18 AML other m 2020-03-22T00:39:32.81
IV.RM33.HNE. ML:1.4 0.00026552695 0.13 AML other m 2020-03-22T00:39:32.39
IV.RM33.HNN. ML:1.1 0.00012724856 0.11 AML other m 2020-03-22T00:39:32.02
IV.LNSS.HNE. ML:1.4 0.00024695955 0.15 AML other m 2020-03-22T00:39:32.15
IV.LNSS.HNN. ML:1.5 0.0002686079 0.16 AML other m 2020-03-22T00:39:32.37
IV.NRCA.HNE. ML:1.5 0.00011140595000000001 0.78 AML other m 2020-03-22T00:39:39.25
IV.NRCA.HNN. ML:1.6 0.0001333572 1.13 AML other m 2020-03-22T00:39:40.48
IV.TERO.HHE. ML:1.0 0.000027806105 0.12 AML other m 2020-03-22T00:39:41.14
IV.TERO.HHN. ML:1.3 0.000055847956000000004 0.2 AML other m 2020-03-22T00:39:40.98
IV.TERO.HNE. ML:1.5 0.00009505707999999999 0.58 AML other m 2020-03-22T00:39:40.60
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