Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 15-04-2021 and time 09:46:25 (UTC) in region 3 km W Pieve Torina (MC)

A magnitude ML 1.5 earthquake occured in region: 3 km W Pieve Torina (MC), on

  • 15-04-2021 09:46:25 (UTC)
  • 15-04-2021 11:46:25 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0460, 13.0110 at 14 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
Pieve Torina MC 3 1458 1458
Muccia MC 5 915 2373
Serravalle di Chienti MC 6 1070 3443
Monte Cavallo MC 6 145 3588
Pievebovigliana MC 6 866 4454
Fiordimonte MC 7 202 4656
Camerino MC 11 6974 11630
Fiastra MC 12 559 12189
Sefro MC 12 422 12611
Acquacanina MC 14 121 12732
Visso MC 14 1107 13839
Pioraco MC 15 1134 14973
Ussita MC 15 444 15417
Fiuminata MC 17 1402 16819
Bolognola MC 19 142 16961
Preci PG 19 724 17685
Sellano PG 19 1079 18764
Castelraimondo MC 19 4587 23351
Nocera Umbra PG 19 5839 29190

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km E of Foligno (57155 inhabitants)
51 Km E of Perugia (166134 inhabitants)
62 Km NE of Terni (111501 inhabitants)
71 Km NW of Teramo (54892 inhabitants)
76 Km SW of Ancona (100861 inhabitants)
83 Km NW of L'Aquila (69753 inhabitants)
89 Km S of Fano (60888 inhabitants)
97 Km S of Pesaro (94582 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 1.5 2021-04-15
09:46:25		 43.0457 13.0112 14 2021-07-12
16:55:11		 Bollettino Sismico Italiano INGV 90200661
Reviewed
Rev100 		ML 1.5 2021-04-15
09:46:25		 43.0457 13.0097 14 2021-04-15
09:53:49		 Sala Sismica INGV-Roma 89114461
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-04-15 09:46:25 ± 0.05
Latitude 43.0457 ± 0.0027
Longitude 13.0112 ± 0.0037
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 90200661

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 262
Semi-minor axis of confidence ellipse (meter) 198
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 273
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) 59
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.05216
Epicentral distance of station farthest from the epicenter (degree) 0.42448
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 89114461
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-04-15 09:53:49

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 90200661
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-05-17 14:53:42
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSFR.HHZ. 2021-04-15T09:46:40.57 0.3 undecidable manual S 337 47.1195 94 0.16 68
IV.MOMA.HHZ. 2021-04-15T09:46:40.18 0.3 undecidable manual S 233 44.7219 94 0.39 65
IV.GAVE.EHZ. 2021-04-15T09:46:38.78 0.6 undecidable manual S 194 40.3263 95 0.17 46
IV.ATCC.EHZ. 2021-04-15T09:46:37.00 0.3 undecidable manual S 297 33.8439 97 0.12 70
IV.FOSV.EHZ. 2021-04-15T09:46:36.95 0.3 undecidable manual S 324 34.2435 97 -0.04 71
IV.EL6.EHZ. 2021-04-15T09:46:36.59 0.6 undecidable manual S 13 32.3454 97 0.11 47
IV.MMO1.EHZ. 2021-04-15T09:46:35.87 0.6 undecidable manual S 122 30.3474 98 -0.09 47
IV.ASSB.HHZ. 2021-04-15T09:46:35.41 0.3 undecidable manual S 269 28.5492 99 -0.08 71
IV.SSFR.HHZ. 2021-04-15T09:46:33.90 0.3 undecidable manual P 337 47.1195 94 -0.15 68
IV.MC2.EHZ. 2021-04-15T09:46:33.64 0.6 undecidable manual S 136 20.7681 106 0.19 47
IV.MOMA.HHZ. 2021-04-15T09:46:33.46 0.1 undecidable manual P 233 44.7219 94 -0.23 89
IV.FOSV.EHZ. 2021-04-15T09:46:32.44 0.3 undecidable manual P 324 34.2435 97 0.37 66
IV.GAVE.EHZ. 2021-04-15T09:46:32.96 0.3 undecidable manual P 194 40.3263 95 -0.05 70
IV.CSP1.EHZ. 2021-04-15T09:46:32.49 0.6 undecidable manual S 72 16.4724 114 0.1 48
IV.ATCC.EHZ. 2021-04-15T09:46:31.91 0.1 positive manual P 297 33.8439 97 -0.1 94
IV.EL6.EHZ. 2021-04-15T09:46:31.62 0.1 negative manual P 13 32.3454 97 -0.16 93
IV.MMO1.EHZ. 2021-04-15T09:46:31.39 0.6 undecidable manual P 122 30.3474 98 -0.09 47
IV.ASSB.HHZ. 2021-04-15T09:46:31.00 0.1 positive manual P 269 28.5492 99 -0.21 92
IT.MTCL.HGZ. 2021-04-15T09:46:30.12 0.6 undecidable manual S 189 5.7942 151 -0.14 49
IV.FDMO.HHZ. 2021-04-15T09:46:30.27 0.6 undecidable manual S 99 6.2937 149 -0.04 50
IV.MC2.EHZ. 2021-04-15T09:46:30.10 1.0 positive manual P 136 20.7681 106 0.07 24
IV.CESI.HHZ. 2021-04-15T09:46:30.86 0.6 undecidable manual S 242 9.7791 135 -0.03 50
IV.CSP1.EHZ. 2021-04-15T09:46:29.45 0.1 negative manual P 72 16.4724 114 0.04 97
IV.CESI.HHZ. 2021-04-15T09:46:28.63 0.1 positive manual P 242 9.7791 135 0.08 98
IT.MTCL.HGZ. 2021-04-15T09:46:28.18 0.1 undecidable manual P 189 5.7942 151 0 100
IV.FDMO.HHZ. 2021-04-15T09:46:28.19 1.0 undecidable manual P 99 6.2937 149 -0.03 25
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:1.6 0.00047650000000000004 0.12 AML other m 2021-04-15T09:46:30.41
IV.FDMO.HHN. ML:1.7 0.000655 0.2 AML other m 2021-04-15T09:46:30.44
IV.CESI.HHN. ML:1.1 0.000142 0.54 AML other m 2021-04-15T09:46:31.38
IV.CESI.HHE. ML:1.1 0.000145 0.28 AML other m 2021-04-15T09:46:31.20
IV.CSP1.EHN. ML:1.6 0.000348 0.46 AML other m 2021-04-15T09:46:32.79
IV.CSP1.EHE. ML:1.7 0.000376 0.58 AML other m 2021-04-15T09:46:32.79
IV.ASSB.HHN. ML:1.3 0.00009945 0.94 AML other m 2021-04-15T09:46:35.51
IV.ASSB.HHE. ML:1.3 0.00009049999999999999 0.32 AML other m 2021-04-15T09:46:36.14
IV.EL6.EHE. ML:1.4 0.000122 0.22 AML other m 2021-04-15T09:46:36.94
IV.ATCC.EHE. ML:1.7 0.0002065 0.24 AML other m 2021-04-15T09:46:37.40
IV.FOSV.EHE. ML:1.2 0.00006055 0.22 AML other m 2021-04-15T09:46:37.20
IV.FOSV.EHN. ML:1.5 0.00011999999999999999 0.38 AML other m 2021-04-15T09:46:37.24
IV.EL6.EHN. ML:1.5 0.0001291 0.94 AML other m 2021-04-15T09:46:37.63
IV.ATCC.EHN. ML:1.3 0.00007944999999999999 0.9 AML other m 2021-04-15T09:46:37.42
IV.GAVE.EHE. ML:1.7 0.0001575 0.54 AML other m 2021-04-15T09:46:39.39
IV.GAVE.EHN. ML:1.6 0.0001215 0.14 AML other m 2021-04-15T09:46:40.58
IV.MOMA.HHN. ML:1.3 0.000053150000000000004 0.18 AML other m 2021-04-15T09:46:40.86
IV.SSFR.HHN. ML:1.5 0.00007944999999999999 0.7 AML other m 2021-04-15T09:46:41.36
IV.MOMA.HHE. ML:1.4 0.0000816 0.2 AML other m 2021-04-15T09:46:41.14
IV.SSFR.HHE. ML:1.4 0.00006565 0.56 AML other m 2021-04-15T09:46:41.54
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