Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 09-03-2023 and time 20:11:57 (Italy) in region 5 km E Umbertide (PG)

A magnitude ML 2.1 earthquake occured in region: 5 km E Umbertide (PG), on

  • 09-03-2023 19:11:57 (UTC)
  • 09-03-2023 20:11:57 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.2930, 12.3910 at 5 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
Umbertide PG 5 16681 16681
Montone PG 10 1680 18361
Gubbio PG 17 32216 50577
Pietralunga PG 17 2111 52688
Corciano PG 20 21332 74020

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km N of Perugia (166134 inhabitants)
45 Km NW of Foligno (57155 inhabitants)
45 Km E of Arezzo (99543 inhabitants)
80 Km SW of Fano (60888 inhabitants)
81 Km SW of Pesaro (94582 inhabitants)
84 Km N of Terni (111501 inhabitants)
86 Km E of Siena (53903 inhabitants)
87 Km S of Rimini (147750 inhabitants)
95 Km S of Cesena (96758 inhabitants)
98 Km W of Ancona (100861 inhabitants)
100 Km N 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 2.1 2023-03-09
19:11:57		 43.2927 12.3913 5 2024-03-01
17:17:59		 Bollettino Sismico Italiano INGV 115479021
Reviewed
Rev100 		ML 2.1 2023-03-09
19:11:56		 43.2947 12.3867 9 2023-03-09
19:29:48		 Sala Sismica INGV-Roma 115165721
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-09 19:11:57 ± 0.07
Latitude 43.2927 ± 0.0027
Longitude 12.3913 ± 0.0037
Depth (km) 5 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 115479021

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 290
Semi-minor axis of confidence ellipse (meter) 79
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 191
Circular confidence region, given by single value of horizontal uncertainty (meter) 290.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 118
Number of associated phases, regardless of their use for origin computation 55
Number of defining phases 55
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.02518
Epicentral distance of station farthest from the epicenter (degree) 0.62593
Number of stations at which the event was observed 29
Number of stations from which data was used for origin computation 29
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 29
Type of magnitude ML
Reference to an origin 115479021
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-03-29 11:06:55

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 115165721
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-09 19:29:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARVD.HHZ. 2023-03-09T19:12:12.98 0.6 undecidable manual S 63 49.8168 96 -0.7 39
IV.NARO.HHZ. 2023-03-09T19:12:09.39 0.6 undecidable manual S 23 38.4282 98 -0.56 42
IV.SSFR.HHZ. 2023-03-09T19:12:08.62 1.0 undecidable manual S 63 35.3424 99 -0.31 23
IV.CSP1.EHE. 2023-03-09T19:12:08.80 0.3 undecidable manual P 108 69.4749 94 -0.77 55
IV.CAFI.HHZ. 2023-03-09T19:12:08.33 0.6 undecidable manual S 277 34.5432 99 -0.35 45
IV.ASSB.HHZ. 2023-03-09T19:12:08.80 0.6 undecidable manual S 142 35.1426 99 -0.08 47
IV.FRON.EHN. 2023-03-09T19:12:08.85 0.6 undecidable manual S 47 36.741 98 -0.54 43
IV.PIEI.HHZ. 2023-03-09T19:12:07.08 0.6 undecidable manual S 23 29.3484 100 0.09 48
IV.ATSC.EHZ. 2023-03-09T19:12:06.45 0.6 undecidable manual S 58 27.9498 101 -0.07 48
IV.BADI.EHZ. 2023-03-09T19:12:06.09 0.6 undecidable manual S 334 26.8509 101 -0.08 48
IV.CDCA.HNZ. 2023-03-09T19:12:05.07 0.6 undecidable manual S 325 22.3554 103 0.33 46
IV.ATBU.EHZ. 2023-03-09T19:12:05.67 0.6 undecidable manual S 32 23.9538 102 0.43 45
IV.ATCC.EHE. 2023-03-09T19:12:05.49 0.6 undecidable manual S 121 23.3544 103 0.44 45
IV.ARVD.HHZ. 2023-03-09T19:12:05.77 0.3 undecidable manual P 63 49.8168 96 -0.32 66
IV.ATMC.EHZ. 2023-03-09T19:12:04.69 0.6 undecidable manual S 317 23.4543 103 -0.39 45
IV.ATPC.HNZ. 2023-03-09T19:12:04.83 0.6 undecidable manual S 14 21.5673 104 0.36 46
IV.NARO.HHZ. 2023-03-09T19:12:03.82 0.1 undecidable manual P 23 38.4282 98 -0.26 91
IV.CAFI.HHZ. 2023-03-09T19:12:03.54 0.3 undecidable manual P 277 34.5432 99 0.15 70
IV.ATFO.HHZ. 2023-03-09T19:12:03.27 0.6 undecidable manual S 60 16.6722 108 0.34 46
IV.FRON.EHN. 2023-03-09T19:12:03.92 0.3 undecidable manual P 47 36.741 98 0.15 70
IV.ATPI.EHE. 2023-03-09T19:12:03.39 0.6 undecidable manual S 3 17.5713 107 0.18 48
IV.SSFR.HHZ. 2023-03-09T19:12:03.52 0.3 undecidable manual P 63 35.3424 99 0 72
IV.ASSB.HHZ. 2023-03-09T19:12:03.25 0.3 undecidable manual P 142 35.1426 99 -0.25 68
IV.FOSV.EHZ. 2023-03-09T19:12:02.42 0.1 undecidable manual P 89 29.8479 100 -0.14 94
IV.ATSC.EHZ. 2023-03-09T19:12:02.27 0.3 undecidable manual P 58 27.9498 101 0.05 72
IV.PIEI.HHZ. 2023-03-09T19:12:02.65 0.3 undecidable manual P 23 29.3484 100 0.17 70
IV.BADI.EHZ. 2023-03-09T19:12:02.11 0.3 undecidable manual P 334 26.8509 101 0.07 72
IV.APEC.HHN. 2023-03-09T19:12:02.54 0.3 undecidable manual P 4 29.5482 100 0.02 73
IV.TSM2.DHZ.01 2023-03-09T19:12:01.79 0.6 undecidable manual S 35 13.9749 111 -0.3 47
IV.ATPC.HNZ. 2023-03-09T19:12:01.29 0.1 undecidable manual P 14 21.5673 104 0.17 95
IV.ATBU.EHZ. 2023-03-09T19:12:01.86 0.1 undecidable manual P 32 23.9538 102 0.33 92
IV.CDCA.HNZ. 2023-03-09T19:12:01.40 0.3 undecidable manual P 325 22.3554 103 0.14 72
IV.MURB.HHZ. 2023-03-09T19:12:01.76 0.6 undecidable manual S 107 11.2776 115 0.49 45
IV.ATMC.EHZ. 2023-03-09T19:12:01.38 0.3 undecidable manual P 317 23.4543 103 -0.06 73
IV.TB03.DHZ.25 2023-03-09T19:12:01.17 0.6 undecidable manual S 7 12.1767 114 -0.36 46
IV.TB01.DHZ. 2023-03-09T19:12:01.10 0.6 undecidable manual S 20 10.4784 117 0.06 50
IV.ATMI.HHZ. 2023-03-09T19:12:01.18 0.6 undecidable manual S 295 10.9779 116 0 50
IV.ATCC.EHE. 2023-03-09T19:12:01.54 0.1 undecidable manual P 121 23.3544 103 0.1 96
IV.ATVA.EHZ. 2023-03-09T19:12:00.24 0.3 undecidable manual S 260 8.6802 121 -0.28 71
IV.TB02.DHZ.01 2023-03-09T19:12:00.50 0.6 undecidable manual S 10 8.7801 121 -0.04 50
IV.ATVO.HHN. 2023-03-09T19:12:00.72 0.6 undecidable manual S 7 9.9789 118 -0.18 48
IV.ATFO.HHZ. 2023-03-09T19:12:00.50 0.1 undecidable manual P 60 16.6722 108 0.21 95
IV.ATPI.EHE. 2023-03-09T19:12:00.51 0.1 undecidable manual P 3 17.5713 107 0.07 98
IV.TB03.DHZ.25 2023-03-09T19:11:59.61 0.1 undecidable manual P 7 12.1767 114 0.08 98
IV.ATVO.HHN. 2023-03-09T19:11:59.23 0.1 undecidable manual P 7 9.9789 118 0.04 100
IV.ATMI.HHZ. 2023-03-09T19:11:59.44 0.3 undecidable manual P 295 10.9779 116 0.1 74
IV.TB02.DHZ.01 2023-03-09T19:11:59.05 0.1 undecidable manual P 10 8.7801 121 0.05 100
IV.TSM2.DHZ.01 2023-03-09T19:11:59.92 0.1 undecidable manual P 35 13.9749 111 0.09 98
IV.TB01.DHZ. 2023-03-09T19:11:59.32 0.1 undecidable manual P 20 10.4784 117 0.06 99
IT.UMBT.HGZ. 2023-03-09T19:11:59.70 0.6 undecidable manual S 288 4.0959 143 0.34 47
IV.MURB.HHZ. 2023-03-09T19:11:59.55 0.1 positive manual P 107 11.2776 115 0.16 97
IV.ATLO.EHZ. 2023-03-09T19:11:58.09 0.1 undecidable manual P 27 2.7972 152 -0.14 99
IV.ATLO.EHZ. 2023-03-09T19:11:58.82 0.3 undecidable manual S 27 2.7972 152 -0.32 71
IV.ATVA.EHZ. 2023-03-09T19:11:58.95 0.1 undecidable manual P 260 8.6802 121 -0.03 100
IT.UMBT.HGZ. 2023-03-09T19:11:58.43 0.1 positive manual P 288 4.0959 143 0.07 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATVO.HNN. ML:1.7 0.0007963272000000001 0.1792 AML other m 2023-03-09T19:12:02.08
IV.MURB.HHE. ML:2.6 0.0057953104999999994 0.192 AML other m 2023-03-09T19:12:02.03
IV.ATMI.HHE. ML:2.2 0.002383534 0.2304 AML other m 2023-03-09T19:12:02.14
IV.ATVO.HHE. ML:1.9 0.0012240872 0.2048 AML other m 2023-03-09T19:12:02.21
IV.ATVO.HNE. ML:1.8 0.0011654984 0.2176 AML other m 2023-03-09T19:12:02.21
IV.MURB.HNE. ML:2.5 0.004862043 0.2048 AML other m 2023-03-09T19:12:02.60
IV.ATVO.HHN. ML:1.7 0.0008052261000000001 0.2816 AML other m 2023-03-09T19:12:02.73
IV.MURB.HNN. ML:2.5 0.0043775624999999995 0.3968 AML other m 2023-03-09T19:12:03.32
IV.ATFO.HHE. ML:2.3 0.0018624994499999998 0.2432 AML other m 2023-03-09T19:12:03.51
IV.ATFO.HNE. ML:2.2 0.0017963877 0.256 AML other m 2023-03-09T19:12:03.51
IV.ATPI.EHN. ML:2.0 0.0010405 1.48 AML other m 2023-03-09T19:12:04.19
IV.ATFO.HHN. ML:2.0 0.0011460383000000002 0.2304 AML other m 2023-03-09T19:12:04.39
IV.ATFO.HNN. ML:2.0 0.00110692705 0.256 AML other m 2023-03-09T19:12:04.39
IV.ATPI.EHE. ML:2.0 0.0008864999999999999 0.46 AML other m 2023-03-09T19:12:04.25
IV.MURB.HHN. ML:2.6 0.0058312745 0.2944 AML other m 2023-03-09T19:12:05.05
IV.ATCC.EHE. ML:2.2 0.0010710605 0.256 AML other m 2023-03-09T19:12:06.07
IV.ATCC.HNE. ML:2.1 0.0009403429000000001 0.2432 AML other m 2023-03-09T19:12:06.07
IV.ATCC.HNN. ML:2.1 0.00093547135 0.3072 AML other m 2023-03-09T19:12:07.00
IV.ATCC.EHN. ML:2.1 0.0009395645499999999 0.2816 AML other m 2023-03-09T19:12:07.01
IV.PIEI.HHN. ML:1.9 0.0003760908 0.2048 AML other m 2023-03-09T19:12:07.56
IV.PIEI.HNN. ML:1.7 0.00028254288 0.2176 AML other m 2023-03-09T19:12:07.57
IV.PIEI.HHE. ML:2.0 0.0004831623 0.2048 AML other m 2023-03-09T19:12:07.91
IV.PIEI.HNE. ML:2.0 0.00048171215 0.2304 AML other m 2023-03-09T19:12:09.04
IV.SSFR.HHN. ML:2.2 0.0007215 0.18 AML other m 2023-03-09T19:12:09.24
IV.SSFR.HNN. ML:2.2 0.0007412938499999999 0.192 AML other m 2023-03-09T19:12:09.25
IV.SSFR.HHE. ML:2.2 0.000652 0.26 AML other m 2023-03-09T19:12:09.36
IV.SSFR.HNE. ML:2.2 0.0006847394499999999 0.2944 AML other m 2023-03-09T19:12:09.63
IV.NARO.HHN. ML:1.6 0.00016191379 0.2176 AML other m 2023-03-09T19:12:10.03
IV.NARO.HHE. ML:1.8 0.0002427989 1.2032 AML other m 2023-03-09T19:12:21.70
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
Waveforms Seismic signals in miniseed + resp format Download