Earthquake (quarry blast) with magnitude of ML 0.6 on date 21-12-2021 and time 11:24:22 (Italy) in region 4 km SW Serrapetrona (MC)

A magnitude ML 0.6 (quarry blast) earthquake occured in region: 4 km SW Serrapetrona (MC), on

  • 21-12-2021 10:24:22 (UTC)
  • 21-12-2021 11:24:22 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.1520, 13.1550 at 0 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

Event type: quarry blast.

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
Serrapetrona MC 4 966 966
Caldarola MC 6 1823 2789
Belforte del Chienti MC 7 1886 4675
Camerino MC 7 6974 11649
San Severino Marche MC 9 12726 24375
Camporotondo di Fiastrone MC 9 563 24938
Cessapalombo MC 10 512 25450
Castelraimondo MC 10 4587 30037
Pievebovigliana MC 11 866 30903
Muccia MC 12 915 31818
Gagliole MC 12 620 32438
Tolentino MC 12 20069 52507
Fiastra MC 13 559 53066
Acquacanina MC 14 121 53187
Fiordimonte MC 14 202 53389
San Ginesio MC 14 3498 56887
Pioraco MC 14 1134 58021
Pieve Torina MC 15 1458 59479
Colmurano MC 17 1263 60742
Matelica MC 17 9981 70723
Sefro MC 17 422 71145
Ripe San Ginesio MC 17 852 71997
Sarnano MC 18 3264 75261
Gualdo MC 18 815 76076
Bolognola MC 18 142 76218
Fiuminata MC 19 1402 77620
Serravalle di Chienti MC 19 1070 78690
Urbisaglia MC 19 2628 81318

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km NE of Foligno (57155 inhabitants)
60 Km SW of Ancona (100861 inhabitants)
62 Km E of Perugia (166134 inhabitants)
71 Km NW of Teramo (54892 inhabitants)
78 Km NE of Terni (111501 inhabitants)
78 Km S of Fano (60888 inhabitants)
87 Km S of Pesaro (94582 inhabitants)
91 Km N of L'Aquila (69753 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 0.6 2021-12-21
10:24:22
43.152 13.1552 1 2022-03-30
13:04:40
Bollettino Sismico Italiano INGV 101725881
Reviewed
Rev100
ML 0.6 2021-12-21
10:24:22
43.1398 13.1622 6 2021-12-21
10:30:01
Sala Sismica INGV-Roma 98786101
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-12-21 10:24:22 ± 0.05
Latitude 43.1520 ± 0.0027
Longitude 13.1552 ± 0.0049
Depth (km) 1 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type quarry blast
Origin ID 101725881

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 390
Semi-minor axis of confidence ellipse (meter) 240
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 250
Circular confidence region, given by single value of horizontal uncertainty (meter) 390.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 161
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 5
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.08
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.18706
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 5
Magnitudes information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.0
Num. used stations 2
Type of magnitude ML
Reference to an origin 101725881
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-03-06 09:45:22

ML:0.6

Field Value
Value 0.6
Uncertainty 0.0
Num. used stations 2
Type of magnitude ML
Reference to an origin 98786101
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-12-21 10:30:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RIBO.EHZ.01 2021-12-21T10:24:51.57 3.0 undecidable manual Sn -0.18 0
IV.SARZ.HNZ. 2021-12-21T10:24:44.19 3.0 undecidable manual Pn 5.14 0
GU.RNCA.HHZ. 2021-12-21T10:24:39.99 3.0 positive manual Pn 4.24 0
IV.SNTG.HHZ. 2021-12-21T10:24:27.02 0.3 undecidable manual P 303 20.7681 91 -0.05 73
IV.MML1.EHZ. 2021-12-21T10:24:26.08 0.1 undecidable manual P 254 15.4734 92 0.08 98
IV.EL6.EHZ. 2021-12-21T10:24:26.94 0.1 undecidable manual P 348 20.1687 91 0 98
IV.FDMO.HHZ. 2021-12-21T10:24:25.63 0.1 undecidable manual P 203 13.9749 92 -0.07 98
IV.CSP1.EHZ. 2021-12-21T10:24:24.50 0.1 undecidable manual P 149 7.7811 94 0.03 100
GU.GSCL.HHZ. 2021-12-21T10:24:20.83 3.0 undecidable manual Pn -0.81 0
IV.IMOL.HNZ. 2021-12-21T10:24:13.76 3.0 negative manual Pn 0.29 0
IV.IVGP.HHZ. 2021-12-21T10:23:57.15 3.0 undecidable manual Pg -0.76 0
IV.TST01.HHZ. 2021-12-21T10:23:37.16 3.0 undecidable manual S -5.01 0
IV.ORI.HHZ. 2021-12-21T10:23:34.11 3.0 positive manual P -4.46 0
IT.PLTA.HNZ. 2021-12-21T10:23:23.68 3.0 positive manual P -2.16 0
IV.VITU.HHZ. 2021-12-21T10:23:21.01 3.0 positive manual P -1.52 0
OT.OT17.EHZ. 2021-12-21T10:23:16.89 3.0 positive manual P -2.08 0
IT.ORP.HGZ. 2021-12-21T10:23:10.15 3.0 undecidable manual P -1.54 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:0.6 0.0000485 0.86 AML other m 2021-12-21T10:24:30.51
IV.FDMO.HHN. ML:0.6 0.000054 0.86 AML other m 2021-12-21T10:24:32.71
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