Earthquake with magnitude of ML 0.8 on date 27-03-2023 and time 21:26:33 (Italy) in region 9 km NW Sellano (PG)

A magnitude ML 0.8 earthquake occured in region: 9 km NW Sellano (PG), on

  • 27-03-2023 19:26:33 (UTC)
  • 27-03-2023 21:26:33 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9620, 12.8780 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
Sellano PG 9 1079 1079
Monte Cavallo MC 11 145 1224
Serravalle di Chienti MC 14 1070 2294
Trevi PG 14 8469 10763
Foligno PG 14 57155 67918
Valtopina PG 15 1398 69316
Preci PG 16 724 70040
Cerreto di Spoleto PG 16 1075 71115
Pieve Torina MC 17 1458 72573
Spello PG 17 8645 81218
Visso MC 18 1107 82325
Campello sul Clitunno PG 18 2442 84767
Nocera Umbra PG 18 5839 90606
Muccia MC 19 915 91521
Fiordimonte MC 19 202 91723
Montefalco PG 20 5679 97402

Municipalities with at least 50000 inhabitants

An earthquake occurred to
14 Km E of Foligno (57155 inhabitants)
43 Km E of Perugia (166134 inhabitants)
48 Km NE of Terni (111501 inhabitants)
75 Km W of Teramo (54892 inhabitants)
80 Km NW of L'Aquila (69753 inhabitants)
87 Km NE of Viterbo (67173 inhabitants)
90 Km SW of Ancona (100861 inhabitants)
98 Km SE of Arezzo (99543 inhabitants)
99 Km S of Fano (60888 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 0.8 2023-03-27
19:26:33
42.9618 12.8777 11 2023-03-27
19:54:16
Sala Sismica INGV-Roma 115804931
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-27 19:26:33 ± 0.09
Latitude 42.9618 ± 0.0045
Longitude 12.8777 ± 0.0049
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 115804931

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 497
Semi-minor axis of confidence ellipse (meter) 348
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 32
Circular confidence region, given by single value of horizontal uncertainty (meter) 500.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 171
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.04766
Epicentral distance of station farthest from the epicenter (degree) 0.29678
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 115804931
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-27 19:54:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2023-03-27T19:26:44.38 0.6 undecidable manual S 61 30.1476 90 0.19 48
IV.SNTG.HHZ. 2023-03-27T19:26:44.93 0.6 undecidable manual S 9 32.9448 90 0.01 48
IV.NRCA.HHZ. 2023-03-27T19:26:42.26 0.6 undecidable manual S 126 23.9538 90 -0.26 48
IV.FDMO.HHN. 2023-03-27T19:26:41.01 0.6 undecidable manual S 64 18.87 91 -0.17 48
IV.MML1.EHZ. 2023-03-27T19:26:41.13 0.6 undecidable manual S 24 18.4704 91 0.08 50
IV.ASSB.HHZ. 2023-03-27T19:26:41.01 0.6 undecidable manual S 297 19.869 91 -0.43 46
IV.SNTG.HHZ. 2023-03-27T19:26:40.07 0.3 undecidable manual P 9 32.9448 90 -0.09 72
IV.CSP1.EHZ. 2023-03-27T19:26:39.82 0.1 undecidable manual P 61 30.1476 90 0.08 97
IV.FEMA.HNE. 2023-03-27T19:26:39.86 0.6 undecidable manual S 90 13.9749 95 0 50
IV.ASSB.HHZ. 2023-03-27T19:26:38.28 0.3 undecidable manual P 297 19.869 91 0.12 72
IT.MTCL.HGE. 2023-03-27T19:26:38.76 0.6 undecidable manual S 70 10.4784 117 -0.22 48
IV.NRCA.HHZ. 2023-03-27T19:26:38.63 0.1 undecidable manual P 126 23.9538 90 -0.14 97
IV.MML1.EHZ. 2023-03-27T19:26:37.95 0.1 undecidable manual P 24 18.4704 91 0.02 100
IV.CESI.HHZ. 2023-03-27T19:26:37.83 0.3 undecidable manual S 25 5.2947 146 -0.11 74
IV.FEMA.HNE. 2023-03-27T19:26:37.60 0.3 undecidable manual P 90 13.9749 95 0.36 70
IV.FDMO.HHN. 2023-03-27T19:26:37.99 0.1 undecidable manual P 64 18.87 91 -0.01 100
IT.MTCL.HGE. 2023-03-27T19:26:36.76 0.3 undecidable manual P 70 10.4784 117 0.02 76
IV.CESI.HHZ. 2023-03-27T19:26:36.26 0.1 negative manual P 25 5.2947 146 0.12 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHE. ML:1.4 0.00038700000000000003 0.18 AML other m 2023-03-27T19:26:37.98
IV.CESI.HHN. ML:1.4 0.000368 0.1 AML other m 2023-03-27T19:26:38.05
IV.MML1.EHE. ML:0.8 0.000046388775 0.1408 AML other m 2023-03-27T19:26:41.41
IV.MML1.EHN. ML:0.6 0.000030038019999999997 0.1536 AML other m 2023-03-27T19:26:41.24
IV.ASSB.HHE. ML:0.6 0.000030236815 0.0768 AML other m 2023-03-27T19:26:41.39
IV.ASSB.HHN. ML:0.5 0.000024069905000000002 0.1664 AML other m 2023-03-27T19:26:41.39
IV.NRCA.HHE. ML:0.7 0.000028644685000000003 0.1408 AML other m 2023-03-27T19:26:42.49
IV.NRCA.HHN. ML:0.8 0.0000325182082 0.1536 AML other m 2023-03-27T19:26:42.36
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