M 4.0 - 56 km WSW of San José de Jáchal, Argentina
July 31, 2002 at 18:44:59 UTC
Depth: 0.00 km (Shallow)
Key Takeaway
This light earthquake (M4.0) occurred 23 years ago near 56 km WSW of San José de Jáchal, Argentina, at a depth of 0.00 km (shallow).
Light
PAGER Alert
Tsunami
Felt Reports
Event Details
| Magnitude | 4.0 ml |
| Depth | 0.00 km (Shallow) |
| Location | -30.5180S, 69.2390W |
| Tsunami Warning | No |
| Significance | 246 / 3000 |
| Status | Reviewed |
| Network | us |
| USGS Event Page | View on USGS → |
Frequently Asked Questions
What was the magnitude of this earthquake?
This earthquake had a magnitude of 4, classified as "Light". Light earthquakes produce noticeable shaking but rarely cause damage.
How deep was this earthquake?
This earthquake occurred at a depth of 0.00 km, classified as "Shallow". Shallow earthquakes tend to cause more damage at the surface because the energy has less distance to travel before reaching buildings and infrastructure.
Where exactly did this earthquake occur?
This earthquake occurred near 56 km WSW of San José de Jáchal, Argentina, at coordinates -30.5180S, 69.2390W. The location is determined by analyzing seismic wave arrival times at multiple monitoring stations.
Were there aftershocks associated with this event?
Aftershock data for this specific event can be explored by viewing nearby recent earthquakes listed below on this page. Aftershocks are smaller earthquakes that occur in the same area following a larger event, and they can continue for days, weeks, or even months depending on the original earthquake's magnitude.
What does the magnitude of this earthquake mean in practical terms?
A magnitude 4 earthquake is classified as "Light" — these are commonly felt by people indoors but rarely cause any significant damage.
Nearby Recent Earthquakes
53 km E of Caucete, Argentina
23 years ago · 170.00 km deep
70 km SSW of San Agustín de Valle Fértil, Argentina
23 years ago · 37.70 km deep
39 km NNW of Mendoza, Argentina
23 years ago · 150.00 km deep
8 km SSW of Caucete, Argentina
23 years ago · 109.90 km deep
63 km SSW of San Agustín de Valle Fértil, Argentina
23 years ago · 27.00 km deep
30 km NNW of San Martín, Argentina
23 years ago · 150.00 km deep
13 km NE of Chicureo Abajo, Chile
23 years ago · 92.20 km deep
13 km NNE of Los Andes, Chile
23 years ago · 10.00 km deep
9 km E of San Felipe, Chile
23 years ago · 44.40 km deep
68 km NNE of San José de Jáchal, Argentina
23 years ago · 41.80 km deep
More Earthquakes in Argentina
78 km WNW of Calingasta, Argentina
5 days ago · 127.35 km deep
48 km NNW of Villa Basilio Nievas, Argentina
6 days ago · 176.14 km deep
86 km W of San Antonio de los Cobres, Argentina
1 week ago · 219.68 km deep
45 km WNW of San Antonio de los Cobres, Argentina
1 week ago · 197.13 km deep
76 km W of San Antonio de los Cobres, Argentina
1 week ago · 181.83 km deep
107 km W of San Antonio de los Cobres, Argentina
2 weeks ago · 197.62 km deep
193 km SSE of Mar del Plata, Argentina
2 weeks ago · 10.00 km deep
55 km NW of San Antonio de los Cobres, Argentina
3 weeks ago · 200.73 km deep
More M4.0-5.0 Earthquakes
16 km SSE of Petropavlovsk-Kamchatsky, Russia
7 hours ago · 79.51 km deep
2 km SSE of Santa María Ixhuatán, Guatemala
8 hours ago · 10.00 km deep
148 km SSE of Vilyuchinsk, Russia
9 hours ago · 35.00 km deep
17 km ESE of Manay, Philippines
10 hours ago · 80.55 km deep
northern Mid-Atlantic Ridge
12 hours ago · 10.00 km deep
61 km SSW of Ashkāsham, Afghanistan
13 hours ago · 101.97 km deep
74 km W of Bandar Abbas, Iran
13 hours ago · 10.00 km deep
50 km NNW of Hirara, Japan
17 hours ago · 10.00 km deep
Data from the USGS Earthquake Hazards Program (ComCat). QuakeScan is not affiliated with the USGS. Event details may be updated as new data becomes available.