Earthquake with magnitude of ML 1.9 on date 22-03-2021 and time 06:10:25 (Italy) in region 5 km SE Nocera Umbra (PG)

A magnitude ML 1.9 earthquake occured in region: 5 km SE Nocera Umbra (PG), on

  • 22-03-2021 05:10:25 (UTC)
  • 22-03-2021 06:10:25 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0870, 12.8450 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
Nocera Umbra PG 5 5839 5839
Valtopina PG 8 1398 7237
Serravalle di Chienti MC 9 1070 8307
Sefro MC 11 422 8729
Fiuminata MC 13 1402 10131
Pioraco MC 15 1134 11265
Muccia MC 16 915 12180
Monte Cavallo MC 16 145 12325
Gualdo Tadino PG 17 15208 27533
Pieve Torina MC 17 1458 28991
Spello PG 18 8645 37636
Foligno PG 19 57155 94791
Assisi PG 19 28299 123090
Camerino MC 19 6974 130064
Pievebovigliana MC 20 866 130930

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km NE of Foligno (57155 inhabitants)
37 Km E of Perugia (166134 inhabitants)
61 Km N of Terni (111501 inhabitants)
80 Km SW of Ancona (100861 inhabitants)
85 Km NW of Teramo (54892 inhabitants)
85 Km S of Fano (60888 inhabitants)
89 Km E of Arezzo (99543 inhabitants)
92 Km S of Pesaro (94582 inhabitants)
93 Km NW of L'Aquila (69753 inhabitants)
96 Km NE of Viterbo (67173 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 1.9 2021-03-22
05:10:25
43.0872 12.845 9 2021-07-12
16:55:14
Bollettino Sismico Italiano INGV 90794841
Reviewed
Rev100
ML 1.8 2021-03-22
05:10:25
43.0897 12.8443 10 2021-03-22
05:21:46
Sala Sismica INGV-Roma 88366511
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-03-22 05:10:25 ± 0.04
Latitude 43.0872 ± 0.0027
Longitude 12.8450 ± 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 90794841

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 260
Semi-minor axis of confidence ellipse (meter) 221
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 179
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) 51
Number of associated phases, regardless of their use for origin computation 51
Number of defining phases 36
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.54859
Number of stations at which the event was observed 36
Number of stations from which data was used for origin computation 21
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.1
Num. used stations 16
Type of magnitude ML
Reference to an origin 90794841
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-06-04 16:23:56

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 38
Type of magnitude ML
Reference to an origin 88366511
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-03-22 05:21:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CR.ZAG.BHZ. 2021-03-22T05:11:27.20 3.0 undecidable manual Sg 7.45 0
IV.PAOL.HHZ. 2021-03-22T05:11:23.32 3.0 undecidable manual Pg 17.9 0
OT.OT14.EHZ. 2021-03-22T05:10:56.75 3.0 negative manual Pn -5.95 0
IT.GLNS.HNZ. 2021-03-22T05:10:50.85 3.0 undecidable manual Pn -5.82 0
IV.LNSS.HHZ. 2021-03-22T05:10:43.53 0.6 undecidable manual S 163 55.9995 50 0.02 47
IV.FRON.EHZ. 2021-03-22T05:10:41.58 0.6 undecidable manual S 349 48.7179 50 0.02 47
IV.GAVE.EHZ. 2021-03-22T05:10:40.13 0.6 undecidable manual S 175 44.0226 50 -0.17 46
IV.MMO1.EHZ. 2021-03-22T05:10:40.40 0.6 undecidable manual S 118 44.3223 50 0.02 48
IV.GUMA.HHZ. 2021-03-22T05:10:39.67 0.6 undecidable manual S 94 39.8268 50 0.49 43
IV.EL6.EHZ. 2021-03-22T05:10:37.47 0.6 undecidable manual S 38 33.9438 50 -0.14 47
IV.NRCA.HHZ. 2021-03-22T05:10:37.74 0.3 undecidable manual S 142 35.6421 50 -0.32 68
IV.MNTT.EHZ. 2021-03-22T05:10:37.48 0.6 undecidable manual P 92 60.8946 50 0.74 38
IV.MURB.HNZ. 2021-03-22T05:10:37.25 0.6 undecidable manual S 307 32.4453 50 0.04 48
IV.CSP1.EHZ. 2021-03-22T05:10:36.30 0.3 undecidable manual S 89 29.1486 50 -0.04 73
IV.LNSS.HHZ. 2021-03-22T05:10:35.78 0.6 undecidable manual P 163 55.9995 50 -0.22 45
IV.MF5.EHZ. 2021-03-22T05:10:35.73 0.3 undecidable manual P 102 51.0156 50 0.5 64
IV.MDAR.HNZ. 2021-03-22T05:10:35.46 0.3 undecidable manual S 64 26.751 109 -0.12 72
IV.FRON.EHZ. 2021-03-22T05:10:34.88 0.6 undecidable manual P 349 48.7179 50 0.01 47
IV.MMO1.EHZ. 2021-03-22T05:10:34.08 0.3 undecidable manual P 118 44.3223 50 -0.11 70
IV.ARVD.HHZ. 2021-03-22T05:10:34.24 0.6 undecidable manual P 10 46.2204 50 -0.25 45
IV.SNTG.HHZ. 2021-03-22T05:10:33.24 0.3 undecidable manual S 23 20.1687 115 -0.21 72
IV.GAVE.EHZ. 2021-03-22T05:10:33.91 0.3 undecidable manual P 175 44.0226 50 -0.23 68
IV.RIBO.EHZ.01 2021-03-22T05:10:33.59 3.0 undecidable manual Pg 4.17 0
IV.ATCC.EHZ. 2021-03-22T05:10:33.46 0.3 undecidable manual S 303 19.869 115 0.11 73
IV.SSFR.HHZ. 2021-03-22T05:10:33.28 0.6 undecidable manual P 353 39.0276 50 -0.1 47
IV.GUMA.HHZ. 2021-03-22T05:10:33.71 0.1 positive manual P 94 39.8268 50 0.22 92
IV.MOMA.HHZ. 2021-03-22T05:10:33.72 1.0 undecidable manual P 215 38.5281 50 0.42 22
IV.MURB.HNZ. 2021-03-22T05:10:32.23 1.0 undecidable manual P 307 32.4453 50 -0.13 24
IV.EL6.EHZ. 2021-03-22T05:10:32.49 0.3 undecidable manual P 38 33.9438 50 -0.1 71
IV.NRCA.HHZ. 2021-03-22T05:10:32.56 0.3 undecidable manual P 142 35.6421 50 -0.29 69
IT.FOPC.HGZ. 2021-03-22T05:10:32.67 0.3 undecidable manual S 221 17.3715 118 0.08 74
IV.MC2.EHZ. 2021-03-22T05:10:32.99 1.0 undecidable manual P 125 34.0437 50 0.38 22
IV.MDAR.HNZ. 2021-03-22T05:10:31.36 0.3 undecidable manual P 64 26.751 109 -0.06 73
IV.ASSB.HHZ. 2021-03-22T05:10:31.95 0.3 undecidable manual S 252 15.873 121 -0.19 72
IV.CSP1.EHZ. 2021-03-22T05:10:31.73 0.3 undecidable manual P 89 29.1486 50 -0.12 72
IV.CESI.HHZ. 2021-03-22T05:10:30.49 0.3 undecidable manual S 152 10.2786 132 -0.09 75
IV.SNTG.HHZ. 2021-03-22T05:10:30.19 1.0 undecidable manual P 23 20.1687 115 0 25
IV.ATCC.EHZ. 2021-03-22T05:10:30.29 0.3 undecidable manual P 303 19.869 115 0.16 72
IT.FOPC.HGZ. 2021-03-22T05:10:29.77 0.3 undecidable manual P 221 17.3715 118 0.08 74
IV.ASSB.HHZ. 2021-03-22T05:10:29.45 0.1 positive manual P 252 15.873 121 0.02 100
IV.CESI.HHZ. 2021-03-22T05:10:28.74 0.3 undecidable manual P 152 10.2786 132 0.21 73
IV.CAVE.HHZ. 2021-03-22T05:10:27.81 3.0 undecidable manual Sg -0.3 0
IV.QLNO.HHZ. 2021-03-22T05:10:23.87 3.0 negative manual Pg 7.17 0
IV.MILN.HNZ. 2021-03-22T05:10:22.81 3.0 undecidable manual S 2.8 0
IV.CSNT.HHZ. 2021-03-22T05:10:17.38 3.0 undecidable manual Pn -5.24 0
IV.MABI.HHZ. 2021-03-22T05:09:52.45 3.0 undecidable manual S -0.4 0
ST.RONC.EHZ. 2021-03-22T05:09:50.93 3.0 undecidable manual S -4.91 0
IV.ZONE.HHZ. 2021-03-22T05:09:49.78 3.0 undecidable manual P -0.19 0
IV.SALO.HHZ. 2021-03-22T05:09:49.95 3.0 positive manual P -1.86 0
IV.ZEN8.EHZ. 2021-03-22T05:09:49.86 3.0 positive manual P -1.8 0
ST.CARE.EHZ. 2021-03-22T05:09:40.22 3.0 undecidable manual S 0.47 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ASSB.HHE. ML:1.8 0.0006594999999999999 0.16 AML other m 2021-03-22T05:10:32.75
IV.ASSB.HHN. ML:1.7 0.00046899999999999996 0.6 AML other m 2021-03-22T05:10:33.75
IV.ATCC.EHE. ML:1.9 0.0006515 0.14 AML other m 2021-03-22T05:10:33.74
IV.ATCC.EHN. ML:1.8 0.00045650000000000004 1.2 AML other m 2021-03-22T05:10:34.76
IV.CSP1.EHN. ML:2.0 0.0004465 0.56 AML other m 2021-03-22T05:10:36.89
IV.CSP1.EHE. ML:2.0 0.0005335 0.44 AML other m 2021-03-22T05:10:37.30
IV.NRCA.HHE. ML:1.8 0.00027800000000000004 0.56 AML other m 2021-03-22T05:10:38.05
IV.NRCA.HHN. ML:1.9 0.000309 0.12 AML other m 2021-03-22T05:10:38.07
IV.NRCA.HNN. ML:1.9 0.0003265 0.72 AML other m 2021-03-22T05:10:38.07
IV.NRCA.HNE. ML:1.8 0.000268 0.48 AML other m 2021-03-22T05:10:39.33
IV.SSFR.HNE. ML:1.9 0.00027 0.46 AML other m 2021-03-22T05:10:39.48
IV.SSFR.HHE. ML:1.7 0.0001945 1.14 AML other m 2021-03-22T05:10:40.61
IV.GAVE.EHN. ML:1.9 0.00023349999999999998 0.38 AML other m 2021-03-22T05:10:40.97
IV.GAVE.EHE. ML:1.8 0.000185 0.7 AML other m 2021-03-22T05:10:41.07
IV.SSFR.HNN. ML:1.9 0.00030199999999999997 1.34 AML other m 2021-03-22T05:10:41.28
IV.SSFR.HHN. ML:1.8 0.00021300000000000003 1.3 AML other m 2021-03-22T05:10:41.28
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